JANTX2N4957UB

Description：RF TRANS PNP 30V 30MA UB
Series：-

SKU:4cf7f895b4a1 Category: Bipolar RF Transistors Brand: Microsemi Corporation

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Product introduction

Product Detailed Parameters

Description：RF TRANS PNP 30V 30MA UB
Series：-
Mfr：Microsemi Corporation
Package：Bulk
Transistor Type：PNP
Voltage - Collector Emitter Breakdown (Max)：30V
Frequency - Transition：-
Noise Figure (dB Typ @ f)：3.5dB @ 450MHz
Gain：25dB
Power - Max：200mW
DC Current Gain (hFE) (Min) @ Ic, Vce：30 @ 5mA, 10V
Current - Collector (Ic) (Max)：30mA
Operating Temperature：-65°C ~ 200°C (TJ)
Mounting Type：Surface Mount
Package / Case：3-SMD, No Lead
Supplier Device Package：UB
Grade：-
Qualification：-

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JANTX2N4957UB

Overview

The JANTX2N4957UB is a PNP bipolar junction transistor manufactured by Microchip Technology. It utilizes silicon technology and is housed in an SMD-3 surface-mount package. The device supports a collector-emitter voltage (VCEO) of 30 V and a collector-base voltage (VCBO) of 30 V, with an emitter-base voltage (VEBO) rating of 3 V. Maximum power dissipation is 200 mW. The continuous collector current is -30 mA. DC current gain (hFE) ranges from a minimum of 15 to a maximum of 165. Operating temperatures span from -65 °C to +200 °C.

Feature Summary

High-temperature operation capability up to 200 °C
Surface-mount compatible SMD-3 packaging
Single PNP configuration for signal processing

Applications

Military aerospace electronic systems
Radiation-hardened circuit designs
High-temperature sensor interfaces

Procurement Notes

Verify the specific suffix 'UB' against the official Microchip datasheet to confirm pinout and electrical tolerances. Ensure procurement channels are authorized to guarantee component authenticity and traceability for qualified applications. Confirm RoHS status as non-compliant if required by project specifications.

Selection Notes

Select this component when a radiation-tolerant PNP transistor is required for surface-mount assembly. Verify that the 200 mW power dissipation limit accommodates the thermal design. Ensure the 30 V voltage ratings align with the circuit's maximum operating conditions. Check hFE requirements against the 15–165 range.

Part Context

This part belongs to the JAN series of military-grade semiconductors produced by Microchip Technology. The JAN designation indicates compliance with military quality standards. The 2N4957 base model defines the core electrical characteristics, while the TXV suffix typically denotes enhanced screening or tolerance levels within the manufacturer's qualification hierarchy.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Consult Microchip technical support for verified cross-references.

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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.