General-Purpose TVS Diode

SMBJ18CAActive

SMBJ18CA is a bidirectional transient voltage suppression diode,specially designed to protect sensitive electronic equipment from transient voltages such as lightning, electrostatic discharge (ESD), and inductive voltage surges. The device is widely used in communications, industrial control, power systems, consumer electronics and other fields due to its fast response speed and strong surge absorption capability.

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Electrical Parameters

Part Number SMBJ18CA

Package SMB

Polar Bi

Vrwm [Max] (V) 18

Vbr [Min] (V) 20

Vbr [Max] (V) 22.1

@ IT (mA)1

Vc@Ipp [Max] (V) 29.2

Ipp [Max] (A) 20.6

Ppp [Min] (W) 600

IR [Max] (uA)1

Tj (°C) -55~+150

Status Active

Product Features

Peak pulse power capability up to 600W (10/1000 μs waveform) Reverse stand-off voltage (VRWM) of 18V, suitable for 18V power and signal lines SMB (DO-214AA) surface-mount package, compatible with automated assembly Fast response time for effective protection against ESD and surge events Low incremental surge resistance for reliable clamping performance RoHS compliant, lead-free finish