SMBJ120CA 120V Bidirectional TVS Diode – SMB (DO-214AA)

Product Description:
The SMBJ120CA TVS Diode is a high-performance bidirectional transient voltage suppressor designed to protect 120V electronic circuits from damaging surge events such as lightning strikes, inductive load switching, and ESD. With a reverse stand-off voltage of 120V, a breakdown voltage up to 147V, and a clamping voltage of 193V, it delivers strong and reliable protection for sensitive components and power lines.

Housed in a compact SMB (DO-214AA) SMD package, this diode offers excellent clamping performance, high-temperature soldering capability (260°C), and fast response time of less than 1 ps, ensuring immediate suppression of transient spikes. Its built-in strain relief and low-profile design make it ideal for automated PCB assembly and space-constrained circuits.

With a peak pulse current rating of 3.1A, the SMBJ120CA is a dependable solution for industrial electronics, telecom equipment, power supplies, and high-voltage control systems.

Key Specifications:

• Type: Bidirectional TVS Diode

• Reverse Stand-Off Voltage (VWM): 120V

• Breakdown Voltage (VBR): up to 147V

• Clamping Voltage (VC): 193V

• Peak Pulse Current (IPP): 3.1A

• Reverse Leakage Current: ≤5µA

• Response Time: <1 ps

• Package: SMB (DO-214AA)

• Weight: 0.25g

Features:

• Strong transient surge protection for 120V circuits

• Ultra-fast response time for effective suppression

• Excellent clamping capability with minimal overshoot

• Low-profile SMB package ideal for SMD applications

• Capable of high-temperature soldering at 260°C

• Built-in strain relief for long-term reliability

• Ideal for automated pick-and-place assembly

Applications:

• 120V power line and bus protection

• Industrial control systems

• MOSFET and IC transient protection

• Communication and sensor line protection

• Telecom, automation, and instrumentation devices

• High-voltage power modules

Package Includes:
1 × SMBJ120CA Bidirectional TVS Diode (SMB Package)

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