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BT151X-500RNQ is listed in the Scrs range at ChipApex. The manufacturer field lists WeEn Semiconductors. Its product description is SCR 500V TO220-3. Review the specifications below when checking this part for your BOM.
The BT151X-500RNQ is a planar passivated Silicon Controlled Rectifier (SCR) manufactured by WeEn Semiconductors. It features a TO-220F (SOT-186A) full pack plastic package designed for through-hole mounting. The device has a rated repetitive peak off-state voltage (VDRM) of 500 V and an on-state RMS current (IT(RMS)) of 12 A. It supports a non-repetitive peak on-state current (ITSM) of 120 A. The maximum gate trigger current (IGT) is 15 mA, and the maximum junction temperature is 125 °C.
Verify the specific suffix 'NQ' against the official WeEn Semiconductors datasheet to confirm it denotes the tape-and-reel packaging variant rather than the tube-packaged 'R' version. Ensure the ordering part number matches the required packing method for automated assembly processes. Cross-reference the 12NC code 9340 380 50127 for accurate procurement records.
Select this component when a standard recovery SCR with 500 V blocking voltage and 12 A continuous current rating is required. The TO-220F full pack package provides superior thermal dissipation compared to standard TO-220 variants. Consider the 120 A surge capability for inductive load switching. Verify that the 15 mA maximum gate trigger current aligns with the driving circuit's output capabilities.
This part belongs to the BT151X series of Silicon Controlled Rectifiers from WeEn Semiconductors. The series is characterized by planar passivation technology and robust mechanical design. The BT151X-500RNQ specifically represents the reel-packaged version of the BT151X-500R, maintaining identical electrical characteristics while differing in shipping and storage packaging format.
The BT151X-500R,127 is the tube-packaged equivalent with identical electrical specifications. Other compatible parts include the BT151-500R,127, though package dimensions may vary slightly. Always verify pinout compatibility and thermal resistance values before substituting.
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