BC857QASX

Description：TRANS PNP 45V 0.1A 6DFN
Series：*

SKU:51e861871605 Category: Single Bipolar Transistors Brand: NXP USA Inc.

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Product introduction

Product Detailed Parameters

Description：TRANS PNP 45V 0.1A 6DFN
Series：*
Mfr：NXP USA Inc.
Package：Tape & Reel (TR)
Transistor Type：-
Current - Collector (Ic) (Max)：-
Voltage - Collector Emitter Breakdown (Max)：-
Vce Saturation (Max) @ Ib, Ic：-
Current - Collector Cutoff (Max)：-
DC Current Gain (hFE) (Min) @ Ic, Vce：-
Power - Max：-
Frequency - Transition：-
Operating Temperature：-
Mounting Type：-
Package / Case：-
Supplier Device Package：-
Grade：-
Qualification：-

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BC857QASX

Overview

The BC857QASX is a PNP general-purpose transistor manufactured by NXP Semiconductors. It is housed in a SOT23 plastic package and serves as the complementary device to the BC846 and BC847 NPN transistors. The component is designed for low current applications with a maximum collector current of 100 mA and supports a maximum voltage of 65 V.

Feature Summary

Designed for general-purpose switching and amplification tasks
Utilizes a compact SOT23 plastic package for surface-mount integration

Applications

General purpose switching circuits
Amplification stages

Procurement Notes

Verify the specific suffix 'QASX' against official NXP documentation to confirm tape-and-reel packaging specifications and quality grade. Ensure the part number matches the exact datasheet revision for the intended design implementation.

Selection Notes

Select this component when a PNP transistor is required for low-current signal processing or switching within a limited board space. Consider its complementarity with BC846/BC847 devices if paired NPN/PNP configurations are necessary for the circuit topology.

Part Context

This component belongs to the BC857 family of PNP general-purpose transistors. It shares functional similarities with other members like BC859, BCX17, and BCX71, offering standard small-signal performance characteristics suitable for widespread electronic applications.

Replacement Considerations

Compatible substitutes include BC857 variants from other manufacturers such as STMicroelectronics and Fairchild Semiconductor. Cross-reference specific electrical limits and pinout compatibility before substitution.

How to buy

Online and offline orders are supported. If the item is available for online purchase, you can place it in the cart; for wholesale pricing, please contact our product manager for a quote.

Payment Method

Payment methods: T/T, WeChat Pay, credit cards, Google Pay, Apple Pay . Buyer covers shipping, fees, duties, and taxes; contact our product manager if you need a contract/procurement process.

Delivery time

In-stock items usually ship within 24 hours. Otherwise, shipment is arranged 1 to 2 days after the items arrive at our warehouse. Timing depends on destination and shipping method.

Freight calculation

Freight cost depends on destination, package size, and weight . We offer shipping options via DHL, FedEx, UPS, and TNT , and can ship using your freight account upon request.

Mode of Transportation

We ship via DHL, FedEx, UPS, and TNT. If you prefer a specific logistics provider, we can ship using your designated carrier.

Return and Refund

Returns are accepted within 60 days of invoice with RMA approval. Items must be resalable; original invoice and test report are required. No returns for customer errors.