SMBJ22CA TVS Diode 600W Bidirectional SMB DO-214AA
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Prices updated: 12 Oct 2026
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About this product
SMBJ22CA is a 600 W bidirectional TVS diode in the SMB (DO-214AA) surface-mount package. It clamps fast transients of either polarity on AC lines, signal lines and vulnerable I/O circuits. Its 22 V stand-off voltage suits circuits operating up to about 22 V.
Specifications
- Series
- SMBJ
- Peak pulse power
- 600 W
- Stand-off voltage
- 22 V
- Polarity
- Bidirectional
- Package
- SMB (DO-214AA)
- Mounting
- Surface mount
Frequently asked questions
Which applications suit the 22 V bidirectional version?
It suits circuits running up to about 22 V on lines that swing in both directions, such as AC-coupled or differential interfaces. Check that the normal operating voltage stays below the stand-off voltage.
Is polarity required when wiring?
No. Bidirectional TVS diodes are non-polarized, so either terminal can be connected to the protected line and the other to ground.