BF240

Description：RF TRANS NPN 40V 1.1GHZ TO-92-3
Series：-

SKU:aa2495b92d1e Category: Bipolar RF Transistors Brand: onsemi

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Product introduction

Product Detailed Parameters

Description：RF TRANS NPN 40V 1.1GHZ TO-92-3
Series：-
Mfr：onsemi
Package：Bulk
Transistor Type：NPN
Voltage - Collector Emitter Breakdown (Max)：40V
Frequency - Transition：1.1GHz
Noise Figure (dB Typ @ f)：-
Gain：-
Power - Max：350mW
DC Current Gain (hFE) (Min) @ Ic, Vce：65 @ 1mA, 10V
Current - Collector (Ic) (Max)：50mA
Operating Temperature：-
Mounting Type：Through Hole
Package / Case：TO-226-3, TO-92-3 (TO-226AA)
Supplier Device Package：TO-92-3
Grade：-
Qualification：-

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BF240

Overview

The BF240 is an NPN medium frequency silicon transistor manufactured by onsemi, housed in a TO-92 plastic package. It is engineered for low current and low voltage operations, with a maximum collector current of 25 mA and a maximum collector-emitter voltage of 40 V. The device is specifically designed for applications such as AM mixers and intermediate frequency (IF) amplifiers within AM/FM receivers. Its construction supports reliable performance in standard consumer electronics requiring compact, cost-effective RF solutions.

Feature Summary

Optimized for medium frequency signal processing tasks
Designed for low power consumption environments
Suitable for integration into radio receiver circuits

Applications

AM mixer stages in broadcast receivers
Intermediate frequency (IF) amplification in AM/FM radios
General purpose small-signal switching

Part Context

This component belongs to the legacy NPN medium frequency transistor family originally developed during the Philips era. As part of onsemi's portfolio following industry consolidations, it maintains compatibility with established designs in analog radio hardware. The TO-92 package ensures ease of manual handling and through-hole mounting for educational or repair-oriented projects.

Replacement Considerations

Direct substitutes include the BFS20 and BFS20W from NXP Semiconductors, which share similar medium frequency characteristics and pinout configurations. Designers should verify thermal dissipation requirements and ensure that replacement devices meet the specific gain-bandwidth product needs of the original circuit design.

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.