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1N974B Dataheets PDF



Part Number 1N974B
Manufacturers Digitron Semiconductors
Logo Digitron Semiconductors
Description 500mW SILICON ZENER DIODES
Datasheet 1N974B Datasheet1N974B Datasheet (PDF)

1N957B-1N992B High-reliability discrete products and engineering services since 1977 500 mW SILICON ZENER DIODES FEATURES  Available as “HR” (high reliability) screened per MIL-PRF-19500, JANTX level. Add “HR” suffix to base part number.  Available as non-RoHS (Sn/Pb plating), standard, and as RoHS by adding “-PBF” suffix. MAXIMUM RATINGS Rating Operating temperature Storage temperature Thermal resistance Steady-state power Forward voltage Solder temperature Value -65°C to +175°C -65°C to.

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1N957B-1N992B High-reliability discrete products and engineering services since 1977 500 mW SILICON ZENER DIODES FEATURES  Available as “HR” (high reliability) screened per MIL-PRF-19500, JANTX level. Add “HR” suffix to base part number.  Available as non-RoHS (Sn/Pb plating), standard, and as RoHS by adding “-PBF” suffix. MAXIMUM RATINGS Rating Operating temperature Storage temperature Thermal resistance Steady-state power Forward voltage Solder temperature Value -65°C to +175°C -65°C to +175°C 250°C/W junction to lead at 3/8” lead length from body, or 310°C/W junction to ambient when mounted on FR4 PC board(1) 0.5W at TL ≤ 50°C 3/8” from body or 0.48W at TA ≤ 25°C when mounted on FR4 PC board (1) @ 200 mA: 1.1 volts maximum (1N957B-1N985B) @ 200mA: 1.3 volts maximum (1N985-1N992B) 260°C for 10 s maximum ELECTRICAL CHARACTERISTICS (TA = 25°C unless otherwise specified) Part number Nominal zener voltage (2) Zener test current Maximum zener .


1N973B 1N974B 1N975B


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