1SMB5939B-13 - Zener Diode 39V 3W 200mA Surface Mount SMB-2

Diodes Incorporated

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SKU:
010-1SMB5939B-13
MPN:
1SMB5939B-13
Quantity
Unit Price (ex. GST)
1 - 9
₹ 28.18
10 - 99
₹ 25.36
100 or above
₹ 22.54
1SMB5939B 13 is a 39V zener diode with 3W power dissipation and 200mA current handling. It is ideal for high voltage regulation and overvoltage protection in surface mount power circuits. View full description
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Technical Specifications

Brand:
Diodes Incorporated
Case/Package:
SMB
Contact Plating:
Tin
Mount:
Surface Mount
Number of Pins:
2
Number of Terminals:
2
Element Configuration:
Single
ESD Protection:
Yes
Forward Current:
200 mA
Forward Voltage:
1.5 V
Impedance:
45 Ohm
Max Junction Temperature (Tj):
150 C
Max Operating Temperature:
150 C
Max Power Dissipation:
550 mW
Max Reverse Leakage Current:
1 uA
Min Operating Temperature:
-65 C
Number of Elements:
1
Peak Reverse Current:
1 uA
Polarity:
Unidirectional
Power Dissipation:
550 mW
Power Rating:
3 W
Reference Voltage:
39 V
Reverse Voltage:
29.7 V
Test Current:
9.6 mA
Tolerance:
5 %
Working Voltage:
39 V
Zener Current:
9.6 mA
Height:
2.5 mm

Warranty Information

All the products supplied by Evelta are genuine and original. We offer 14 days replacement warranty in case of manufacturing defects. For more details, please visit our cancellation and returns page.

Description

Resources:

Datasheet

High Power Zener Diode for Reliable High Voltage Regulation and Circuit Protection

1SMB5939B 13 is a high power Zener diode designed to provide stable voltage regulation and effective overvoltage protection in demanding electronic circuits. With a nominal Zener voltage of thirty nine volt it delivers consistent clamping performance to safeguard power rails and sensitive components from voltage surges.

This Zener diode is widely used in power supplies industrial electronics automotive systems and protection circuits where higher voltage handling and robust power dissipation are required. The SMB 2 surface mount package supports efficient heat dissipation and dependable long term operation in compact PCB designs.

Key Features

  • Stable Zener Voltage Regulation
    Provides a consistent thirty nine volt reference for regulation and protection applications
  • High Power Dissipation Capability
    Rated for up to three watt suitable for high energy and protection circuits
  • Reliable Current Handling
    Supports operating current up to two hundred milliamp
  • Fast Transient Clamping
    Protects sensitive components from voltage spikes and surge events
  • Robust Surface Mount Package
    SMB 2 package offers strong thermal performance and mechanical durability