Surface Mount  

NO

Number of Pins  

2

Diode Element Material  

SILICON

Number of Terminals  

2

Factory Pack QuantityFactory Pack Quantity  

1

Voltage Temperature Coefficient  

0.115 %/C

RoHS  

Details

Mounting Styles  

Through Hole

Vz - Zener Voltage  

240 V

Pd - Power Dissipation  

5 W

Zz - Zener Impedance  

650 Ohms

Minimum Operating Temperature  

- 55 C

Maximum Operating Temperature  

+ 175 C

Package  

Bulk

Mfr  

Semtech Corporation

Product Status  

Discontinued at Digi-Key

Package Description  

O-LALF-W2

Package Style  

LONG FORM

Package Body Material  

GLASS

Reflow Temperature-Max (s)  

NOT SPECIFIED

Reference Voltage-Nom  

240 V

Operating Temperature-Max  

175 °C

Rohs Code  

No

Manufacturer Part Number  

1N4991

Power Dissipation (Max)  

5 W

Package Shape  

ROUND

Number of Elements  

1

Part Life Cycle Code  

Active

Ihs Manufacturer  

SENSITRON SEMICONDUCTOR

Risk Rank  

5.26

Series  

*

JESD-609 Code  

e0

Pbfree Code  

No

ECCN Code  

EAR99

Terminal Finish  

TIN LEAD

HTS Code  

8541.10.00.50

Technology  

ZENER

Terminal Position  

AXIAL

Terminal Form  

WIRE

Peak Reflow Temperature (Cel)  

NOT SPECIFIED

Reach Compliance Code  

compliant

JESD-30 Code  

O-LALF-W2

Qualification Status  

Not Qualified

Polarity  

UNIDIRECTIONAL

Configuration  

Single

Diode Type  

ZENER DIODE

Case Connection  

ISOLATED

Test Current  

5 mA

Working Test Current  

5 mA

Voltage Tolerance  

-

Zener Current  

19.8 mA

Dynamic Impedance-Max  

650 Ω

Diameter  

3.56 mm

Length  

4.7 mm