CNEL 1N978, 1N977, 1N976, 1N974, 1N975 Datasheet
...
CE
1N957 THRU 1N978
CHENYI ELECTRONICS |
0.5W SILICON PLANAR ZENER DIODES |
FEATURES
. Silicon planar power zener diodes
. Standards zener voltage tolerance is
20%.Add suffix "A" for 
10% tolerance and suffix "B" for
5% tolerance other tolerance, non standards and higher zener voltage upon request
MECHANICAL DATA
. Case: DO-35 glass case
. Polarity: Color band denotes cathode end
. Weight: Approx. 0.13gram
ABSOLUTE MAXIMUM RATINGS(LIMITING VALUES)(TA=25
)
|
Symbols |
Value |
Units |
Zener current see table "Characteristics" |
|
|
|
|
|
|
|
Power dissipation at TA=75 |
Ptot |
5001) |
mW |
Junction temperature |
TJ |
175 |
|
Storage temperature range |
TSTG |
-65 to + 175 |
|
1)Valid provided that at a distance of 8mm from case are kept at ambient temperature(DO-35)
ELECTRICAL CHARACTERISTICS(TA=25
)
|
|
Symbols |
Min. |
Typ. |
Max. |
Units |
Thermal resistance junction to ambient |
R JA |
|
|
300 1) |
/W |
|
|
|
|
|
|
|
|
Forward voltage at IF=200mA |
VF |
|
|
1.5 |
|
|
|
|
|
|
|
|
|
1)Valid provided that leads at a distance of 8mm from case are kept at ambient temperature
Copyright @ 2000 SHANGHAI CHENYI ELECTRONICS CO.,LTD |
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