2SC4957-T1-A

Description：RF TRANS NPN 6V 12GHZ SOT-143
Series：-

SKU:f6c706fa5776 Category: Bipolar RF Transistors Brand: CEL

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Product introduction

Product Detailed Parameters

Description：RF TRANS NPN 6V 12GHZ SOT-143
Series：-
Mfr：CEL
Package：Tape & Reel (TR)
Transistor Type：NPN
Voltage - Collector Emitter Breakdown (Max)：6V
Frequency - Transition：12GHz
Noise Figure (dB Typ @ f)：1.5dB @ 2GHz
Gain：11dB
Power - Max：180mW
DC Current Gain (hFE) (Min) @ Ic, Vce：75 @ 10mA, 3V
Current - Collector (Ic) (Max)：30mA
Operating Temperature：150°C (TJ)
Mounting Type：Surface Mount
Package / Case：TO-253-4, TO-253AA
Supplier Device Package：SOT-143
Grade：-
Qualification：-

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2SC4957-T1-A

Overview

The CEL 2SC4957-T1-A is an NPN epitaxial silicon RF transistor designed for high-frequency low-noise amplification. It utilizes a 4-pin Super Minimold package, providing a compact form factor suitable for surface-mount applications. The device operates as a single-ended amplifier with specific voltage and current ratings defined by its epitaxial construction. This component belongs to the broader family of RF transistors intended for signal processing in communication systems.

Feature Summary

Engineered for high-frequency low-noise amplification applications
Utilizes NPN epitaxial silicon technology for stable RF performance
Housed in a 4-pin Super Minimold package for compact integration

Applications

High-frequency low-noise amplifier circuits
RF signal processing stages
Communication system front-ends

Part Context

This component is part of the 2SC4957 series produced by California Eastern Laboratories (CEL), now Renesas Technology Corp. The datasheet identifies it specifically as an NPN epitaxial silicon RF transistor. Similar variants include the 2SC4957-T1 and 2SC4957-T2, which share the same functional description and package type within the manufacturer's portfolio.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Designers should verify compatibility with similar models such as the 2SC4957-T1 or 2SC4957-T2 based on specific circuit requirements.

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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.