BRITISH STANDARD BS EN 60747 5 2 2001 Incorporating Amendments Nos 1 to BS IEC 60747 5 2 1997 (renumbers the BS IEC as BS EN 60747 5 2 2001) and 2Discrete semiconductor devices and integrated circuits[.]
Trang 1a nd 2
The European Stand rd EN 6 7 7-5-2:20 1, with the incor poration of
amendmen t A1:20 2, has the status of a British Stand rd
ICS 3 2 0
Trang 2This Br itish Stan ard,ha in g
b en pre ared u der the
directionof the
Electrotech ical Sector Bo rd,
was publshed u derthe
author ity of the Stan ards
Bo rd an comes into efect on
1 J n ary 1 9
© BSI 1 J n ary 2 0
ISBN 0 5 0 2 1 4 8
This British Stand rd is the oficial English language ver ion of
EN6 7 7-5-2:20 1, including amen dment A 1:20 2 It is identical with
IEC6 7 7-5-2:19 7, including amend ment 1:20 2
Th e start and finish of tex t introduced or altered b IEC amend ment 1 is
indicated in the text b ta s ??
Th e UK p rticip tion in its prep rat ion was entrusted b Technical Commit e
EPL/47, Semiconductor , to Subcommit e EPL/47/3, Perormance of
opto lectronic semiconductor dev ices and l quid c y stal display s, which has the
r esponsibi ty to:
— aid enquirer to u d er tand th e text;
— present to the responsible internation al/European commit e any
enq uiries on the interpretation, or proposals for change, and ke p the UK
in terestsinformed;
— monitor related international an d European dev elopments and
promulg teth em in the UK
A lst oforg anizations represented on this subcommit e can be obtained on
request to its sec etary
Cros - referenc s
The British Stand r ds which implement inter national or Eur opean
publcations refer ed to in this document ma be fou d in the B SI Ca ta logue
u der the section entitled “ International Stand rds Cor espondence Index”, or
b using the “ Sear h” faci ty of the B SI Electr onic Ca ta l ogue or of British
Stand rds On line
Th is publcation d oes not purport to includ e al the neces ary prov isions of a
contract User are responsible for its cor ect a pl cation
Compl a nc with a British Standard do s not of itself c nfer im m unity
f om leg al obl g ations
Summary of pa g es
This document comprises a font cover, an inside font cover,the EN title p g e,
the EN foreword p ge,the IEC title p g e, p ges i to iv, p ges 1 to 24, an inside
b ck cov er and a b ck cov er
The BSI copy rig ht notice display ed in this document ind icates wh en the
document was last is ued
Am endm ents is ued sinc publ cation
20 2
Implementation of the European Stand ard
Other cor ections indicated b a sidel ne
14 8 17 J n ar y
20 3
Se nation al foreword
Trang 3ICS 3 2 0
Englsh v er ion
Par tie 5-2: Dispositif opto lectroniques —
V aleur lmites et car actéristiques es entiel es
(in clut l’amendement A1:20 2)
(CEI 6 7 7-5-2:19 7 + A 1:20 2)
Einz l Halbleiterb uelemente u d integ rierte
Schaltun gen —
Tei 5-2: Opto lektronis he Bauelemente —
Wesentlche Grenz- u d Ken werte
( enthält Änderu g A1:20 2)
( IEC 6 7 7-5-2:19 7 + A1:20 2)
This Eur opean Stand r d was a proved b CENELEC on 20 0-1 -01 an d
amendment A1 was a proved b CENELEC on 20 2-0 -01 CENELEC
member are boun d to comply with the CEN/ CENELEC Internal Reg ulations
which stipulate the conditions for giv ing this European Stand rd the status of a
national stand rd without any alteration
Up-to-d te l sts and biblog ra hical references concerning such national
stand rds ma be obtain ed on a plcation to the Central Sec etariat or to any
CENELEC member
This European Stand rd exists in thre oficial v er ions ( Eng lish, French,
German) A v er ion in any other lang uag e ma e b translation un der the
respon sibi ty of a CENEL EC membe into its own langua e and notified to the
Central Sec etariat has the same status as the oficial v er ions
CENELEC member are the national electrotech ical commit e s of Austria,
Belg ium, Cz ch Republ c, Den mark, Finlan d, France, Germany , Gre ce,
I eland, Ir eland, Italy , Lux embourg , Netherland s, Nor way , Portug l, Sp in,
Sweden, Switz rland and United Kingdom
European Commit e for Electrotech ical Stand ar dization
Comité Europé n de Nor mal sation Electrotech nique
Europ is hes Komite für Elektrotech is he Normu g
Central Se retariat: rue de Stas art 3 , B- 10 0 Brus els
© 20 1 CENELEC – All rights of ex loitation in any form and b any means reser v ed world wide for
Trang 4Th e text of the International Stand rd
IEC 6 7 7-5-2:19 7, prep red b SC 4 C, Flat
p nel displa devices, of IEC TC 4 , Semicond uctor
dev ices, was submit ed to the Unique A cceptance
Procedure and was a proved b CENELEC as
EN 6 7 7-5-2 on 20 0-1 -01 without any
mod ification
Th is stand ard should be rea jointly with
IEC 6 7 7-1, EN 620 7-1 and EN 620 7-2
The folowing d ates were fix ed:
An ex es desig nated normative ar e p rt of the bod
of the stand rd Annex es d esig nated informativ e
are given for infor mation only In this stand r d,
Annex B and Annex ZA are normativ e and Annex A
is informative Annex ZA has be n ad ded b
CENELEC
Foreword to am endm ent A1
The text of document 4 E/20 /FDIS, future
amendment 1 to IEC 6 7 7-5-2:19 7, prep red b
SC 4 E, Dis rete semiconductor dev ices, of
IECTC4 , Semiconductor d ev ices, was submit ed
to the IEC-CENELEC p ralel v ote and was
a prov ed b CENELEC as amendmen t A1 to
EN6 7 7-5-2:20 1 on 20 2-0 -01
The folowin g d tes were fixed:
An exes designated “ normativ e” are p rt of the
bod of the stand rd
In this stand rd, A n nex B and Annex ZA are
normativ e
Annex ZA has be n a ded b CENELEC
— latest d te b which the
endor semen t (dop) 20 2-01-01
— latest d te b which the
national stand r ds
confl cting with the EN
hav e to be withdrawn (dow) 20 4-01-01
— latest d te b which the
— latest d te b which the
national stand r ds
conflcting with the
amendment hav e to be
Trang 64 In frared-emit in g diodes ( ex cluding dev ices for fibre
5 Photodiodes (excluding dev ices for fibre optic systems or subsystems) 4
6 Phototransistor ( excluding d ev ices for fibre optic sy stems or subsystems 5
Trang 78.1 Ty pe 1
8.4 Rating s ( hav e to be mentioned in a special section in the
8.6 Electrical, env ironmental an d/or end urance test
Ta le 2 — Tests and test sequence for photocoupler prov id ing
Trang 81) The IE ( Internat ional Electrotech ical Commis ion) is a worldwide or ganization for
stan ardizationcompr ising al national electrotechn ical commite s (E National Commit te s)
The o ject of the IE is to promote international co-o eration on al quest ions concerning
stan ardizationin the electrical an electronic fields.To this en an in ad ition to other activities,
the IE publshes Internat ional Stan ards Their pr ep ration is entr usted to tech ical commite s;
any IE National Committ ee int erest ed in the subject de lt with ma p rticip te in this pr ep r at or y
work International, g v rnmental an non-g v rnment al org nizat ions laising wit h the IE also
p r ticip te in this pre aration The IE cola or ates closely with the Internation al Org nization for
Stan ardization ( ISO) in acordance with con itions determined b ag re ment b twe n the two
org nizations
2) The formal decisions or agre ments of the IE on tech ical mat er e pres , as ne rly as p s ible,
an inter national consensus of o inion on the rele ant subjects since e ch t ech ical commite has
re resen tation fr om al interested National Commit te s
3) The documents pr od ced ha e the for m of recommen ations for international use an are
publshedin the form of st an ards,tech ical re orts or guides an t he are ac e ted b the National
Commite s in that sense
4) In or der to pr omote int ernational u ification, IE National Commite s u dertake to a ply IE
International Stan ards transp r ently to the ma imum e tent p s ible in their national an
re ionalstan ards.Any div erg nce b twe n the IE Stan ard an the corr esp n ing national or
re ionalstan ard shal b cle rly in icated in the lat er
5) The IE pro ides no mar king proced r e to in icat e its a pro al an can ot b r en er ed
resp nsiblefor any e uipment declared to b in confor mity with one of it s stan ards
6) Attention is dr awn to the p s ibi ty t hat some of the elements of t his International Stan ard ma
b the subject of p tent right s The IE shal not b h eld resp nsible for identifying any r al such
p tent rights
International Stand rd IEC6 7 7-5-2 has be n pr ep red b subcommit e 4 C:
Opto lectronic, d ispla and imag ing devices, of IEC tech ical commit e 4 :
Semiconductordevices
Th is fir t edition replaces p rtial y the second ed ition of IEC6 7 7-5 (19 2) and
constitutes a tech ical rev ision ( se alsoAnnex A: Cros references ind ex)
It should be rea jointly with IEC6 7 7-1, IEC620 7-1 and IEC620 7-2
Th e tex t of this stand r d is b sed p r tial y on IEC 6 7 7-5 ( 19 2) and p r tialy on
the fol owing documents:
Ful information on the v oting for the a prov al of this stand rd can be found in the
report on voting indicated in the a ov e ta le
An ex A is for information only
An ex B for ms an integ ral p rt of this stand r d
Trang 9?Introduction
Th is p rt of IEC 6 7 7 prov ides b sic information on semicond uctor :
— terminology;
— let er symbols;
— es ential rating s and characteristic ;
— measuring meth ods;
— ac eptance and rel a i ty.?
1 Scope
This p rt of IEC6 7 7 gives the es ential ratin gs and characteristic of the folowing categ ories or
subcategories of opto lectronic devices which are not intend ed to be used in the field of fibre optic sy stems
or subsystems:
— Semiconductor ph oto mit er , includ ing:
• l ght-emit ing diodes ( LEDs);
• inf ared-emit ing diodes ( IREDs);
• laser diodes
— Semiconductor ph oto lectric detector , including:
• photodiod es;
• phototransistor
— Semiconductor photosensitiv e dev ices
— Semiconductor dev ices uti zing the optical ra iation for internal operation, including:
• photocoupler , optocoupler
2 Norm ative r f r nces
The folowing normative documents contain prov isions wh ich, through reference in this text, constitute
prov isions of this p r t of IEC6 7 7 At the time of publ cation, the ed itions ind icated wer e v ld All
normativ e documents are subject to rev ision, and p rties to a re ments b sed on this p rt of IEC6 7 7
ar e encourag ed to investig te th e pos ibi ty of a ply ing the most recent editions of the n ormative
documents indicated below Member of IEC and ISO main tain r egister of cur rently v ald Internation al
Stand rds
IEC 6 0 5:19 5, Sa fety r equir ements f r ma ins oper a ted el ectr onic a nd r ela ted a ppa r a tus fr hous hold
a nd simil a r gener a l us
IEC 6 0 8-2-1:19 0, Envir onmenta l te tng — Pa r t 2: Te ts — Te ts A : Cold
IEC 6 0 8-2-2:19 4, Envir onmenta l te tng — Pa r t 2: Te ts — Te ts B : Dr y hea t
IEC 6 0 8-2-3:19 9, Envir onmental te tng — Pa r t 2: Te ts — Te t Ca : Da mp hea t, stea d y sta te
IEC 6 0 8-2-6:19 5, Envir onmenta l te tng — Pa r t 2: Te ts — Te t Fc: Vibr a tion (sin soid a l)
IEC 6 0 8-2-14:19 4, Envir onmenta l te tng — Par t 2: Te ts — Te t N: Cha nge o temper a tur e
IEC 6 0 8-2-17: 19 4, Envir onmenta l te tng — Pa r t 2: Te ts — Te t Q: Sea ling
IEC 6 0 8-2-27:19 7, Envir onmenta l te tng — Par t 2: Te ts — Te t Ea a nd guid a nc : Shock
IEC 6 0 8-2-3 :19 0, Envir onmenta l te tng — Pa r t 2: Te ts — Te t D b a nd guid a nc : Da mp hea t,
cyclic( 2 + 12-hour cycl e)
?IEC 6 1 2:19 9, Method fr d eter mining the compa r a tive a nd the pr oo tr a cking ind ic s o solid
insula ting ma ter ia ls un d er moist cond itons
IEC 6 2 6-1:19 0, G uid e f r the d eter mina tion o ther ma l end ur a nc pr oper tie o electr ica l insul a ting
ma ter ia l s — Pa r t 1: G ener a l guid eline fr a geing pr oc d ur es a nd eva l ua tion o te t r esults
IEC 6 2 6-2:19 0, G uid e f r the d eter mina tion o ther ma l end ur a nc pr oper tie o electr ica l insul a ting
ma ter ia l s — Pa r t 2: Choic o te t cr iter ia ?
IEC 6 3 6-1:19 9, Mea sur ement o photos nsi ive d evic s — Pa r t 1: B a sic r ecommend a tions
Trang 10IEC 6 6 4-1:19 2, Insula tion co r d ina tion fr equipmen t wihin low-v la ge systems — Pa r t 1: Pr incipl es,
r equir ements a nd te ts
?IEC 6 6 2-2:19 0, Spe ifica tion fr ce r a mic a nd gla ss insula ting ma ter ia ls — Pa r t 2: Method s o te t.?
IEC 6 6 5-2-2:19 1, Fir e ha za r d te tng — Pa r t 2: Te t methods — Se ton 2: Ne d le-fl ame te t
IEC 6 7 7-5-1:19 7, Dis r ete s micond ucto d evic s a nd integr a ted cir cuis — Pa r t 5-1: O ptoelectr on ic
d evic s— Gener a l
IEC 6 7 7-5-3:19 7, Dis r ete s micond ucto d evic s a nd integr a ted cir cuis — Pa r t 5-3: O ptoelectr on ic
d evic s— Mea sur ing method s
3 Lig ht-em it ing diodes
(exclud ing dev ice fo fibr e optic systems o subsy stems)
3.1 Ty e
Ambient-rated or case-rated lght-emit ing diod e
3.2 Sem ic nductor m aterial
Gal ium ar enid e-phosphid e, etc
3.3 Colour
3.4 Detai s of outl ne and enca sulation
3.4.1 IEC and/or national referen ce n mber of the outl ne drawing
3.4.2 Method of enca sulation: glas /metal/plastic/other
3.4.3 Terminal identification and indication of any conn ection betwe n a terminal an d the case
3.5 Lim iting v lues (a solute m aximum system) over the operating tem perature rang e, unles
otherwise stated
3.5.1 Minimum and ma imum storag e temperatures (T
stg)
3.5.2 Minimum and ma imum operating ambient or case t emperature ( T
amb
or T
case)
3.5.3 Max imum rev er e v oltag e ( V
R)
NOT Not a plca le to d aldiode dev ices con ected anode-to-cath ode an cathode-to-anode
3.5.4 Max imum contin ous forward cur ent (I
F) at an ambient or case temper ature of25°C and derating
curv e or deratin g factor
3.5.5 W here a propriate, ma imum peak forward cur ent (I
FM) at an ambient or case temperature
of25°C, u der specified pulse conditions
3.6 Ele trical characteristics
For multiple diodes, the ch aracteristic should be g iv en for each diode F or special a pl cations, a ditional
characteristic ma be required
Trang 113.7 Supplem entary information
3.7.1 Radiat ion d iagram
A dia ram g ra hical y ex pres ing ty ical luminous intensity v er us v iewing an gle, and using either polar
or rectang ular co-ordinates
3.7.2 Spe t ral diagram (where appr priat e)
A dia ram g ra hicaly ex res ing ty ical luminous intensity v er us wa eleng th
3.7.3 Me hanical inf rmat ion
Mounting and soldering conditions, where a propriate
4 Inf ar d- em it ing diodes
( excluding dev ice fo fibr optic sy stems o subsy stems)
4.1 Ty e
Ambient-rated or case-rated inf ared-emit in g diode
4.2 Sem ic nductor m aterial
Gal um ar en ide, etc
4.3 Deta ils of outl ne and enca sulation
4.3.1 IEC and/or nation al reference n mber of the outl ne drawing
4.3.2 Meth od of enca sulation: glas /metal/plastic/other
4.3.3 Terminal iden tification and indication of any con ection betwe n a terminal and the case
4.4 Lim iting v lues (a solute m axim um system) over the opera ting tem perature rang e, u les
otherwise stated
4.4.1 Minimum and ma imum storag e temperature (T
st g)
4.4.2 Minimum and ma imum operating ambient or case temperature (T
amb
or T
case)
4.4.3 Max imum rev er e v oltage ( V
R)
u les othe wise s ated
Notes S m bols Requir m ent
3.6.3 L umin ous intensity
along the defined
NOT 1 Not a plca le to d aldiode de ices conn ected anode-to-cathode an cathode-to-anode
NOT 2 Ifthe inclu ed sold angle o er which t he intensit y is me sured is not ne lg ible, it should b sp cified
NOT 3 For diodes inten ed for use in multidiode ar a s,ma imum luminous intensity i s also re uired
Trang 124.4.4 Max imum continuous for ward cur ent (I
F) at an ambient or case temperature of 25 °C and derating
curv e or deratin g factor
4.4.5 W here a propriate, ma imum peak forward cur en t (I
PM) at an ambient or case temperature
of25°C, u der specified pulse conditions
4.5 Ele trical characteristics
For special a plcations, a ditional characteristic ma be r equired
4.6 Supplem entary inform a tion
4.6.1 Rad iat ion d iagram
A diagram g ra hical y ex res ing ty ical rad iant power output or rad iant intensity v er us ang le with
respect to the defined mechanical a is, an d using either polar or rectang ular co rdin ates
4.6.2 Spe t ral diagram (where appr priat e)
A diagram g ra hical y ex res ing ty ical rad iant power output or rad iant intensity v er us wav elength
4.6.3 Me hanical inf rmat ion
Mou ting and solder ing conditions, where a propriate
(exclud ing dev ice fo fibr e optic systems o subsy stems)
5.1 Ty e
Ambient-rated or case-rated photodiode intended for smal sig nal and switching a pl cations
5.2 Sem ic nductor m aterial
Si con, etc
5.3 Detai s of outl ne and enca sulation
5.3.1 IEC and/or national referen ce n mber of the outl ne drawing
5.3.2 Method of enca sulation: glas /metal/plastic/other
5.3.3 Terminal identification and indication of any conn ection betwe n a terminal an d the case
5.4 Lim iting v lues (a solute m aximum system) over the operating tem perature rang e, unles
u les othe wise s a ted
Notes S m bols Requir m ent
Fspecified ( d.c or pulse) V
4.5.3 Ra iant power output or
r adiant intensity along the
d efined mechanical a is
I
Fspecified ( d.c or pulse) 1 ?
p
4.5.5 Spectral ra iation b ndwidth
(where a propriate)
Half-v lue of peak
emis ion, with I
Trang 135.4.1 Minimum and ma imum storag e temperatures ( T
stg)
5.4.2 Minimum and ma imum operating ambient or case t emperature (T
amb
or T
case)
5.4.3 Max imum rev er e v oltage ( V
R)
5.5 Ele trical characteristics
5.6 Supplem entary information
5.6.1 D iagram o t ypical s nsit ivit y
5.6.2 Ty pical spe t ral d iagram
A dia ram g ra hicaly ex res ing relativ e spectral sensitiv ity ver us wa elength
6 Phototransistors
( excluding dev ice fo fibr optic sy stems o subsy stems)
6.1 Ty e
Ambient-rated or case-rated phototransisto intended for smal signal and switching a pl cations
6.2 Sem ic nductor m aterial
u les othe wise s ated
5.5.1 Rev er e cur ent u der
E
v
or E
especified
Rspecified , E
especified, at a
short wav eleng th ?
1specified
and at a long er wav elength ?
Specified cir cuit
rise time and fal time, specified v alue of V
R,
E
v
or E
especified
t
t
Ma
Ma
turn-on time and
turn-of time
specified v alue of V
R,
E
v
or E
especified
NOT 1 Iluminat ion b stan ard i uminant A (acording to IE 6 3 6-1) emit ed fr om a fiament u gsten lamp with a colour
temp r at ure T = 28 5,6K or with radiation fr om a defined monochromatic sour ce
Trang 146.4 Detai s of outl ne and enca sulation
6.4.1 IEC and/or national referen ce n mber of the outl ne drawing
6.4.2 Method of enca sulation: glas /metal/plastic/other
6.4.3 Terminal identification and indication of any conn ection betwe n a terminal an d the case
6.5 Lim iting v lues (a solute m aximum system) over the operating tem perature rang e,
u les other wise stated
6.5.1 Minimum and ma imum stora e temperature (T
stg)
6.5.2 Minimum and ma imum operating ambient or case temperatures (T
amb
or T
case)
6.5.3 Max imum colector-emit er v oltag e with z ro b se cur ent (V
C O)
6.5.4 W here an ex ternal b se con nection is present:
6.5.4.1 Max imum colector-b se v oltag e with z ro emit er cur ent (V
C O)
6.5.4.2 Max imum emit er-b se v oltag e with z ro col ector cur ent (V
E O)
6.5.5 W here no external b se connection is present:
Ma imum emit er-col ector v oltag e (V
E O)
6.5.6 Max imum contin ous colector cur ent ( I
C)
Trang 156.6 Ele trical characteristics
u les othe wises ated
Notes S m bols Requir ment
6.6.1 Col ector cur en t u der
ir a iation
V
Cspecified, I
6.6.2 Col ector-emit er d rk
cur ent
V
Cspecified, I
6.6.5 Emit er-b se breakdown
volta e or, wh ere no b se
con ection is present,
emit er-colector breakd own
voltag e
I
Especified, E
wa eleng th ?
1specified and
C, E
C, E
NOT 1 Iluminat ion b stan ard i uminant A (acording to IE 6 3 6-1) emit ed fr om a tu gsten fiament lamp with a colour
temp r at ure T = 2 8 5,6 K or with radiation fr om a defined monochromatic sour ce
a
W here a pro riate
Trang 166.7 Supplem entary informa tion
6.7.1 D iagram o t y pical s nsit ivit y
6.7.2 Ty pical spe t ral diagr am
A diag ram gra hicaly ex res ing relativ e spectr al sensitivity v er sus wav elength
7 Photocouplers, optocouplers ( with output tra nsisto )
7.1 Ty e
Ambient-rated or case-rated photocoupler , optocoupler , with transistor output, for signal isolation
a plcations
7.2 Sem ic nductor m aterial
Input d iod e: g l um ar enide, aluminium ar enide, etc
Output tr a nsistor : si icon, etc
7.3 Polarity of the output resistor
7.4 Detai s of outl ne and enca sulation
7.4.1 IEC and/or national referen ce n mber of the outl ne drawing
7.4.2 Method of enca sulation: glas /metal/plastic/other
7.4.3 Terminal identification and indication of any conn ection betwe n a terminal an d the case
7.5 Lim iting v lues (a solute m aximum system) over the operating tem perature rang e, unles
otherwise stated
Indicate any qualfications such as time, fequency , pulse duration, h umid ity, etc
7.5.1 Minimum and ma imum storag e temperatures (T
stg)
7.5.2 Minimum and ma imum ambient or reference-point operating temper atures (T
amb
or T
ref)
7.5.3 Max imum soldering temperature (T
sld)
Ma imum soldering time and minimum dist ance to case should be specified
7.5.4 Max imum contin ous ( d irect) rev er e i nput v oltage (V
R)
7.5.5 Max imum colector-emit er v oltag e, with th e b se open-cir uited (V
C O)
7.5.6 Max imum col ector-b se v olta e, where an external b se con ection is presen t, with the emit er
open-cir uited ( V
C O)
7.5.7 Max imum emit er-b se v oltag e, where an extern al b se con ection is present, with the colector
open-cir uited ( V
E O)
or:
7.5.8 Max imum emit ter-col ector v oltag e, where no external b se con ection is present (V
E O)
7.5.9 Max imum contin ous ( d irect) or repetitiv e peak isolation v oltag e (V
IO
or V
IORM)
Th e wa esha e and repetition rate should be specified
7.5.10 W here a propriate, ma imum surge isolation v oltage ( V
IOSM)
This should be specified for pulses of both polarities ha ing the wav esha e shown inFig ure 1
7.5.1 Ma imum contin ous colector cur ent ( I
C)
7.5.12 Ma imum contin ous forward input cur ent ( I
F) at an ambient or reference-point temperatur e
of25°C and der ating curv e or derating factor
7.5.13 Ma imum peak forward input cur ent ( I
F M) at an ambient or reference-point temperature of25°C
and u de specified pulse conditions
Trang 177.5.14 Max imum power dis ip tion ( P
tr n) ofthe output transistor at an ambient or referen ce-point
temperature of25°C and a d erating curv e or derating factor
7.5.15 Max imum total powe dis ip tion of the p ckag e ( P
tot
at an ambient o reference-point temperature
of25°C and derating curve or d erating factor
Fig ure 1 — Test voltag e