Package / Case  

E, Axial

Mounting Type  

Through Hole

Package  

Bulk

Base Product Number  

1N4957

Impedance (Max) (Zzt)  

2 Ohms

Mfr  

Microchip Technology

Product Status  

Active

Ir - Reverse Current  

25 uA

Zz - Zener Impedance  

2 Ohms

Ir - Maximum Reverse Leakage Current  

25 uA

Pd - Power Dissipation  

5 W

Maximum Operating Temperature  

+ 175 C

Unit Weight  

0.026455 oz

Minimum Operating Temperature  

- 65 C

Factory Pack QuantityFactory Pack Quantity  

1

Mounting Styles  

Through Hole

Manufacturer  

Microchip

Brand  

Microchip Technology

If - Forward Current  

1 A

Vz - Zener Voltage  

9.1 V

RoHS  

N

Voltage Temperature Coefficient  

0.06 %/C

Operating Temperature  

-65°C ~ 175°C

Series  

-

Packaging  

Bulk

Tolerance  

±5%

Subcategory  

Diodes & Rectifiers

Termination Style  

Axial

Configuration  

Single

Current - Reverse Leakage @ Vr  

25 µA @ 6.9 V

Voltage - Forward (Vf) (Max) @ If  

1.5 V @ 1 A

Power - Max  

5 W

Test Current  

150 mA

Voltage - Zener (Nom) (Vz)  

9.1 V

Product Type  

Zener Diodes

Voltage Tolerance  

5 %

Zener Current  

520 mA

Vf - Forward Voltage  

1.5 V

Product Category  

Zener Diodes

Length  

6.1 mm

Diameter  

3.42 mm