SMBJ22A TVS Diode 600W SMB DO-214AA
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Prices updated: 13 Oct 2026
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About this product
SMBJ22A is a 600W unidirectional TVS diode in the SMB (DO-214AA) surface-mount package. It clamps fast transient voltages such as ESD and switching surges on I/O lines, power rails and other sensitive circuits. Its 22V standoff voltage keeps it inactive at normal operating voltages up to about 22V.
Specifications
- Series
- SMBJ22A
- Peak pulse power
- 600 W
- Standoff voltage
- 22 V
- Package
- SMB (DO-214AA)
- Direction
- Unidirectional
Frequently asked questions
How should I connect this TVS diode?
Connect it in parallel with the protected line, with the cathode (marked band) toward the positive line and the anode toward ground.
Can I use it on an AC line?
The unidirectional SMBJ22A is intended for DC lines. For bidirectional protection, a CA-suffix bidirectional TVS of the same series is normally used instead.
