1N4188B vs 1N4491 feature comparison

1N4188B Central Semiconductor Corp

Buy Now Datasheet

1N4491 Digitron Semiconductors

Buy Now Datasheet
Pbfree Code No
Rohs Code No No
Part Life Cycle Code Active Active
Ihs Manufacturer CENTRAL SEMICONDUCTOR CORP DIGITRON SEMICONDUCTORS
Reach Compliance Code not_compliant unknown
ECCN Code EAR99 EAR99
HTS Code 8541.10.00.50 8541.10.00.50
Case Connection ISOLATED ISOLATED
Configuration SINGLE SINGLE
Diode Element Material SILICON SILICON
Diode Type ZENER DIODE ZENER DIODE
Dynamic Impedance-Max 550 Ω 400 Ω
JEDEC-95 Code DO-41
JESD-30 Code O-PALF-W2 O-LALF-W2
JESD-609 Code e0 e0
Number of Elements 1 1
Number of Terminals 2 2
Operating Temperature-Max 200 °C 175 °C
Package Body Material PLASTIC/EPOXY GLASS
Package Shape ROUND ROUND
Package Style LONG FORM LONG FORM
Polarity UNIDIRECTIONAL UNIDIRECTIONAL
Power Dissipation-Max 1 W 1.5 W
Qualification Status Not Qualified
Reference Voltage-Nom 120 V 120 V
Surface Mount NO NO
Technology ZENER ZENER
Terminal Finish TIN LEAD TIN LEAD
Terminal Form WIRE WIRE
Terminal Position AXIAL AXIAL
Voltage Tol-Max 5% 5%
Working Test Current 2 mA 2 mA
Base Number Matches 4 12
Forward Voltage-Max (VF) 1.5 V
Knee Impedance-Max 4500 Ω
Operating Temperature-Min -65 °C
Reverse Current-Max 0.25 µA
Reverse Test Voltage 96 V

Compare 1N4188B with alternatives

Compare 1N4491 with alternatives