1N977 vs BZT55B51-TP feature comparison

1N977 Crimson Semiconductor Inc

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BZT55B51-TP Micro Commercial Components

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Part Life Cycle Code Obsolete Obsolete
Ihs Manufacturer CRIMSON SEMICONDUCTOR INC MICRO COMMERCIAL COMPONENTS CORP
Package Description O-LALF-W2 QUADROMELF-2
Reach Compliance Code unknown unknown
Case Connection ISOLATED ISOLATED
Configuration SINGLE SINGLE
Diode Element Material SILICON SILICON
Diode Type ZENER DIODE ZENER DIODE
Dynamic Impedance-Max 105 Ω
JESD-30 Code O-LALF-W2 O-LELF-R2
Number of Elements 1 1
Number of Terminals 2 2
Operating Temperature-Max 175 °C
Package Body Material GLASS GLASS
Package Shape ROUND ROUND
Package Style LONG FORM LONG FORM
Polarity UNIDIRECTIONAL UNIDIRECTIONAL
Power Dissipation-Max 0.4 W 0.5 W
Qualification Status Not Qualified Not Qualified
Reference Voltage-Nom 47 V 51 V
Surface Mount NO YES
Technology ZENER ZENER
Terminal Form WIRE WRAP AROUND
Terminal Position AXIAL END
Voltage Tol-Max 20% 2%
Working Test Current 2.7 mA 2.5 mA
Base Number Matches 3 1
Rohs Code Yes
Part Package Code MELF
Pin Count 2
ECCN Code EAR99
HTS Code 8541.10.00.50
Additional Feature HIGH RELIABILITY
JESD-609 Code e3
Peak Reflow Temperature (Cel) 260
Terminal Finish MATTE TIN
Time@Peak Reflow Temperature-Max (s) 10

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