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1N957...1N978
SILICON PLANAR ZENER DIODES
Standard Zener voltage tolerance is ± 20%. Add suffix "A" for ± 10% tolerance and suffix "B" for ± 5% tolerance. Other tolerances, non standard and higher Zener voltages are upon request.
Max. 0.5
Max. 1.9
Min. 27.5
Black Cathode Band
Black Part No.
Black "ST" Brand
XXX
ST
Max. 3.9
Min. 27.5
Glass Case DO-35 Dimensions in mm
Absolute Maximum Ratings (Ta = 25 OC) Parameter
Symbol
Value
Unit
Power Dissipation
Ptot
500 1)
mW
Junction Temperature
Tj
175
OC
Storage Temperature Range
TStg
- 65 to + 175
OC
1) Valid provided that leads are kept at ambient temperature at a distance of 8 mm from case
Characteristics at Ta = 25 OC Parameter
Thermal Resistance Junction to Ambient Air
Symbol RthA
Max. 0.
1N974 Datasheet
