UMIL100A

Description：RF TRANS NPN 31V 400MHZ 55JU
Series：-

SKU:be9b2a1fff98 Category: Bipolar RF Transistors Brand: Microsemi Corporation

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Product introduction

Product Detailed Parameters

Description：RF TRANS NPN 31V 400MHZ 55JU
Series：-
Mfr：Microsemi Corporation
Package：Bulk
Transistor Type：NPN
Voltage - Collector Emitter Breakdown (Max)：31V
Frequency - Transition：225MHz ~ 400MHz
Noise Figure (dB Typ @ f)：-
Gain：7.2dB ~ 8.5dB
Power - Max：270W
DC Current Gain (hFE) (Min) @ Ic, Vce：10 @ 1A, 5V
Current - Collector (Ic) (Max)：20A
Operating Temperature：150°C (TJ)
Mounting Type：Chassis Mount
Package / Case：55JU
Supplier Device Package：55JU
Grade：-
Qualification：-

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UMIL100A

Overview

The UMIL100A is a bipolar junction transistor (BJT) from Microsemi Corporation, categorized under RF discrete semiconductors. It operates within a frequency transition range of 225MHz to 400MHz and delivers a DC current gain between 7.2dB and 8.5dB. The device supports a maximum power rating of 270W and utilizes the 55JU package configuration.

Feature Summary

Designed for radio frequency applications with specified transition frequencies
Provides high power handling capabilities up to 270W
Utilizes a hermetically sealed metal package structure

Applications

RF amplifier circuits
High-power radio frequency systems
Avionics communication equipment

Procurement Notes

Verify component authenticity through official Microchip Technology channels or authorized distributors. Confirm package integrity and pin alignment against the 55JU specification. Request test reports if available. Note that this component may be classified as obsolete; ensure compatibility with current design requirements before procurement.

Selection Notes

Select the UMIL100A when designing RF systems requiring high power output within the 225MHz to 400MHz transition band. Evaluate thermal management strategies due to the 270W power rating. Ensure the 55JU package fits the mechanical constraints of the target assembly. Consider availability status given potential obsolescence.

Part Context

Microsemi Corporation specialized in semiconductor solutions for aerospace, defense, and communications sectors. The UMIL100A represents their historical portfolio of high-performance RF transistors. Microchip Technology acquired Microsemi, integrating these components into its broader discrete semiconductor offerings.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Consult Microchip Technology directly for legacy replacement options or updated equivalents.

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.