MRF904

Description：RF TRANS NPN 15V 4GHZ TO-72
Series：-

SKU:caca9469c7bc Category: Bipolar RF Transistors Brand: Microsemi Corporation

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Product introduction

Product Detailed Parameters

Description：RF TRANS NPN 15V 4GHZ TO-72
Series：-
Mfr：Microsemi Corporation
Package：Bulk
Transistor Type：NPN
Voltage - Collector Emitter Breakdown (Max)：15V
Frequency - Transition：4GHz
Noise Figure (dB Typ @ f)：1.5dB @ 450MHz
Gain：6.5dB ~ 10.5dB
Power - Max：200mW
DC Current Gain (hFE) (Min) @ Ic, Vce：30 @ 5mA, 5V
Current - Collector (Ic) (Max)：30mA
Operating Temperature：200°C (TJ)
Mounting Type：Through Hole
Package / Case：TO-206AF, TO-72-4 Metal Can
Supplier Device Package：TO-72
Grade：-
Qualification：-

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MRF904

Overview

The MRF904 is a silicon NPN RF transistor designed for high-frequency applications. It is housed in a TO-72 package and engineered primarily for use in high-gain, low-noise general-purpose amplifiers. The device exhibits a typical power gain (GU) of 11 dB at 450 MHz and 7 dB at 1 GHz. Its typical noise figure is 1.5 dB at 450 MHz. The transition frequency (FT) is typically 4 GHz when the collector current is set to 15 mA DC.

Feature Summary

Silicon NPN construction optimized for high-frequency operation
Suitable for high-gain amplifier circuits
Low noise figure characteristics for signal integrity

Applications

High gain general-purpose amplifiers
Low noise amplifier stages
Microwave discrete circuit designs

Part Context

The MRF904 belongs to a family of RF and microwave discrete low power transistors produced by Microsemi Corporation. This series includes similar components such as the 2N6304, BFR91, BFY90, MRF559, MRF5812, and MRF5943, which share comparable low-power RF design objectives.

Replacement Considerations

Direct substitutes include the 2N6304, BFR91, BFY90, MRF559, MRF5812, and MRF5943 from Microsemi. Other manufacturers offer equivalents like the BFR90 from Advanced Power Technology.

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

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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

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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.