Mfr. Part Number
BUJ303AX,127
Manufacturer
WeEn Semiconductors Co., Ltd
Package / Case
TO-220-3 Full Pack, Isolated Tab
Datasheet
Description
TRANS NPN 500V 5A TO220F
RoHS Status
Lead Free / RoHS Complaint
Availability
Sourcing — Lead time quoted on request (often 3–15 business days by channel)
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BUJ303AX,127
WeEn Semiconductors Co., Ltd
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In Stock6,619
Unit
Price
$0.31
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Reference Price
QuantityPrice
1$ 0.3100
Prices are for reference only. The final transaction is subject to confirmation.
As of 2026-09-20 · Valid as reference until 2026-09-27 · Request RFQ for live stock.
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Specification Summary

Package / Case
TO-220-3 Full Pack, Isolated Tab
Supplier Device Package
TO-220F
Voltage - Collector Emitter Breakdown (Max)
500 V
Current - Collector (Ic) (Max)
5 A
Current - Collector Cutoff (Max)
100µA
DC Current Gain (hFE) (Min) @ Ic, Vce
10 @ 5mA, 5V
Operating Temperature
150°C (TJ)
Mounting Type
Through Hole
Full specifications are listed below. Need alternates or BOM matching? Read BOM guide · Request a quote
Stock status: Sourcing — Lead time quoted on request (often 3–15 business days by channel)
Shortage / allocation / EOL lines may need longer — ask via RFQ.
Reference price and stock shown as of 2026-09-20. Confirm live availability and unit price via RFQ before placing a PO.
Specifications
Product Description
Purchase & Inquiry
Mounting Type
Through Hole
Operating Temperature
150°C (TJ)
Current - Collector Cutoff (Max)
100µA
DC Current Gain (hFE) (Min) @ Ic, Vce
10 @ 5mA, 5V
Frequency - Transition
-
Transistor Type
NPN
Vce Saturation (Max) @ Ib, Ic
1.5V @ 600mA, 3A
Current - Collector (Ic) (Max)
5 A
Power - Max
32 W
Supplier Device Package
TO-220F
Voltage - Collector Emitter Breakdown (Max)
500 V
Package / Case
TO-220-3 Full Pack, Isolated Tab
TRANS NPN 500V 5A TO220F
Brand Introduction

WeEn Semiconductors Co., Ltd, is the global joint venture between NXP Semiconductors N.V. and Beijing JianGuang Asset Management Co. Ltd (JAC Capital). WeEn Semiconductors was officially opened on 19th January, 2016 with the business and operations center located in Shanghai, China. WeEn Semiconductors is registered at Nanchang city which is the capital city of Jiangxi province, China. It fully owns subsidiaries and branches in Jilin city for bipolar production, in Shanghai and the United Kingdom for R&D and production support, in Hong Kong for Sales activities, and in many other countries for sales and customer services, respectively.

As a key player in the semiconductors industry, WeEn combines the advanced bipolar power technology and the strong resource of JAC Capital in Chinese manufacturing industry and distribution channels, to focus on developing a complete portfolio of industry-leading bipolar power products including silicon controlled rectifiers, power diodes, high voltage transistors, silicon carbide which are widely used in the automotive, telecommunications, computers and consumer electronics, intelligent home appliances, lighting, and power management markets. The aim is to help the customers achieve higher cost-efficiency and production efficiency and to contribute to the development of China and global intelligent manufacturing.

The NXP Bi-Polar Division product portfolio (Diodes, Thyristors & Transistors) has been transferred to WeEn Semiconductors (Jan 19, 2017).

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Buying FAQ — BUJ303AX,127

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