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1N4749 PDF Datasheet ( 特性, スペック, ピン接続図 )

部品番号 1N4749
部品説明 1W SILICON PLANAR ZENER DIODES
メーカ Shanghai Lunsure Electronic Tech
ロゴ Shanghai Lunsure Electronic Tech ロゴ 



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1N4749 Datasheet, 1N4749 PDF,ピン配置, 機能
CE
CHENYI ELECTRONICS
FEATURES
. Silicon planar power zener diodes
For use in stabilizing and clipping circuits with high power rating.
. Standaards Zener voltage toerance is 10%
Add suffix"A" for 5% tolerance Other tolerance available upon
request
1N4728 THRU 1N4764
1W SILICON PLANAR ZENER DIODES
MECHANICAL DATA
. Case: DO-41 glass case
.weight: Approx. 0.35 gram
ABSOLUTE MAXIMUM RATINGS(LIMITING VALUES)(TA=25 )
Symbols
Zener current see table "Characteristics"
Power dissipation at TA=25
Ptot
Junction temperature
TJ
Storage temperature range
TSTG
1)Valid provided that a distance of 8mm from case are kept at ambient temperature
Value
1 1)
175
-65 to +175
Units
mW
ELECTRCAL CHARACTERISTICS(TA=25 )
Symbols
Min
Thermal resistance junction to ambient
RthA
Forward voltage at IF=200mA
VF
1) Valid provided that a distance at 8mm from case are kept at ambient temperature
Typ Max Units
170 1)
/W
1.2 V
Copyright @ 2000 SHANGHAI CHENYI ELECTRONICS CO.,LTD
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