1N2991B vs 1N2991R feature comparison

1N2991B Microsemi Corporation

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1N2991R Microchip Technology Inc

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Pbfree Code No
Rohs Code No No
Part Life Cycle Code Transferred Active
Ihs Manufacturer MICROSEMI CORP MICROCHIP TECHNOLOGY INC
Part Package Code DO-4
Package Description HERMETIC SEALED, GLASS, DO-4, 1 PIN HERMETIC SEALED, GLASS, DO-4, 1 PIN
Pin Count 1
Reach Compliance Code unknown compliant
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 10 Ω 10 Ω
JEDEC-95 Code DO-203AA DO-203AA
JESD-30 Code O-MUPM-D1 O-MUPM-D1
JESD-609 Code e0 e0
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 Not Qualified
Reference Voltage-Nom 36 V 36 V
Surface Mount NO NO
Technology ZENER ZENER
Terminal Finish TIN LEAD OVER NICKEL TIN LEAD
Terminal Form SOLDER LUG SOLDER LUG
Terminal Position UPPER UPPER
Voltage Tol-Max 5% 20%
Working Test Current 70 mA 70 mA
Base Number Matches 16 9

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