1N977
vs
1N978A
feature comparison
All Stats
Differences Only
Part Life Cycle Code
Obsolete
Transferred
Ihs Manufacturer
CRIMSON SEMICONDUCTOR INC
AEROFLEX/METELICS INC
Package Description
O-LALF-W2
HERMETIC SEALED, GLASS PACKAGE-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-LALF-W2
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
NO
Technology
ZENER
ZENER
Terminal Form
WIRE
WIRE
Terminal Position
AXIAL
AXIAL
Voltage Tol-Max
20%
10%
Working Test Current
2.7 mA
2.5 mA
Base Number Matches
3
8
Part Package Code
DO-35
Pin Count
2
ECCN Code
EAR99
HTS Code
8541.10.00.50
JEDEC-95 Code
DO-35
JESD-609 Code
e0
Terminal Finish
TIN LEAD
Compare 1N977 with alternatives
Compare 1N978A with alternatives