| Distributor | Stock | Pricing | MOQ | PKG | Lead Time | Date Code | On Order Quantity | On Order Delivery | |
|---|---|---|---|---|---|---|---|---|---|
|
2,958 pcs
|
2958 pcs | On Request | 1 | On Request | On Request | On Request | On Request | On Request | |
|
255 pcs
|
255 pcs | On Request | 1 | On Request | On Request | On Request | On Request | On Request |
| Category | |
| Manufacturer Name | |
| Applications | |
| Bidirectional Channels | |
| Capacitance @ Frequency | |
| Current | |
| Mounting Type | |
| Operating Temperature | |
| Power | |
| Power Line Protection | |
| Supplier Device Package | |
| Tape & Reel | |
| Type | |
| Voltage |
The 1SMB40CAT3G is a bidirectional transient voltage suppression (TVS) diode manufactured by On Semiconductor. It is designed to protect sensitive electronics from voltage transients induced by lightning or other transient events. The device features a reverse standoff voltage of 40V and a maximum clamping voltage of 64.5V at 9.3A peak pulse current (10/1000µs waveform). With a peak pulse power rating of 600W, it provides robust protection for general-purpose applications.
This TVS diode uses Zener technology and offers a typical capacitance of 220pF at 1MHz. It is not intended for power line protection. The device is housed in a surface-mount DO-214AA (SMB) package, making it suitable for automated assembly. It operates over a wide temperature range from -65°C to 150°C (junction).
The 1SMB40CAT3G is commonly used in general-purpose circuit protection applications, such as I/O interfaces, power supply lines, and communication ports. Its bidirectional configuration simplifies design by protecting both polarities with a single device. The SMB package provides a compact footprint while maintaining good power dissipation capabilities.
| Qty | Low | High |
|---|---|---|
| 865+ | $0.35 | $0.35 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The reverse standoff voltage is 40V.
The maximum clamping voltage is 64.5V at 9.3A peak pulse current (10/1000µs).
The peak pulse current is 9.3A (10/1000µs).
It comes in a surface mount DO-214AA (SMB) package.
Yes, it has 1 bidirectional channel.
The operating temperature range is -65°C to 150°C (junction).
No, power line protection is not supported.