1N2970B vs 1N3999 feature comparison

1N2970B Motorola Semiconductor Products

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1N3999 Digitron Semiconductors

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Part Life Cycle Code Obsolete Active
Ihs Manufacturer MOTOROLA INC DIGITRON SEMICONDUCTORS
Reach Compliance Code unknown unknown
ECCN Code EAR99
HTS Code 8541.10.00.50
Case Connection ANODE CATHODE
Configuration SINGLE SINGLE
Diode Element Material SILICON SILICON
Diode Type ZENER DIODE ZENER DIODE
Dynamic Impedance-Max 1.2 Ω 1.2 Ω
JEDEC-95 Code DO-4 DO-4
JESD-30 Code O-MUPM-D1 O-MUPM-D1
Knee Impedance-Max 500 Ω 500 Ω
Number of Elements 1 1
Number of Terminals 1 1
Operating Temperature-Max 175 °C 175 °C
Operating Temperature-Min -65 °C -65 °C
Package Body Material METAL METAL
Package Shape ROUND ROUND
Package Style POST/STUD MOUNT POST/STUD MOUNT
Polarity UNIDIRECTIONAL UNIDIRECTIONAL
Power Dissipation-Max 10 W 10 W
Qualification Status Not Qualified
Reference Voltage-Nom 6.8 V 6.8 V
Reverse Current-Max 150 µA 10 µA
Surface Mount NO NO
Technology ZENER ZENER
Terminal Form SOLDER LUG SOLDER LUG
Terminal Position UPPER UPPER
Voltage Tol-Max 5% 10%
Working Test Current 370 mA 370 mA
Base Number Matches 15 9
Rohs Code No
JESD-609 Code e0
Reverse Test Voltage 2 V
Terminal Finish TIN LEAD
Voltage Temp Coeff-Max 2.72 mV/°C

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