| Distributor | Stock | Pricing | MOQ | PKG | Lead Time | Date Code | On Order Quantity | On Order Delivery | |
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6,000 pcs
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6000 pcs | On Request | 1 | On Request | On Request | On Request | On Request | On Request | |
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1,293 pcs
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1293 pcs | On Request | 1 | On Request | On Request | On Request | On Request | On Request |
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| Power Line Protection | |
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| Voltage |
The BZW04-28B is a bidirectional Transient Voltage Suppressor (TVS) diode from STMicroelectronics, designed for general purpose overvoltage protection. It features a stand-off voltage of 28.2V, a breakdown voltage range of 28.2V to 31.4V, and a maximum clamping voltage of 45.7V at 8.8A peak pulse current (10/1000µs waveform). The device can dissipate up to 400W of peak pulse power and has a typical capacitance of 255pF at 1 MHz. It is a unidirectional or bidirectional type? The specs confirm bidirectional, as it has a bidirectional channel count of 1. The BZW04-28B is housed in a DO-204AC (DO-15) axial lead through-hole package, making it suitable for manual or automated assembly. Applications include transient protection for DC power lines, I/O interfaces, and sensitive ICs. The device is recognized by UL (per datasheet extract). Compliance data is available but unverified: RoHS3 compliant, REACH unaffected, and MSL level 1 unlimited.
The stand-off voltage is 28.2V.
The breakdown voltage range is 28.2V minimum to 31.4V maximum.
The maximum clamping voltage is 45.7V at 8.8A peak pulse current (10/1000µs waveform).
The peak pulse current is 8.8A maximum (10/1000µs waveform).
The peak pulse power dissipation is 400W (10/1000µs waveform).
The BZW04-28B is available in DO-204AC, DO-15, and Axial through-hole package.
The typical capacitance is 255pF at 1 MHz.