1N974
1N974 is SILICON PLANAR ZENER DIODES manufactured by SEMTECH.
- Part of the 1N957 comparator family.
- Part of the 1N957 comparator family.
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
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) m W
Junction Temperature
Tj
Storage Temperature Range
TStg
- 65 to + 175
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 Rth A
Max. 0.3 1)
Forward Voltage at IF = 200 m...
