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1N4678(UR)-1N4717(UR)
High-reliability discrete products and engineering services since 1977
500mW AXIAL LEADED 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. Available as surface mount by adding UR suffix.
MAXIMUM RATINGS Operating and Storage Temperature: DC Power Dissipation: DC Power Derating: Forward Voltage @ 200mA:
-65 to +175°C 500 mW @ +50°C 4mW/°C above +50°C 1.1 Volts maximum
ELECTRICAL CHARACTERISTICS (TA = 25°C unless otherwise specified)
Part number (note 1)
Nominal Zener Voltage
Zener Test Current
Maximum Voltage Regulation (note 2)
VZ lZT
VZ
Volts
μA
Volts
1N4678(UR)
1.