BFQ19,115

Description：RF TRANS NPN 15V 5.5GHZ SOT-89 3
Series：-

SKU:54ddfdfbc948 Category: Bipolar RF Transistors Brand: NXP USA Inc.

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Product introduction

Product Detailed Parameters

Description：RF TRANS NPN 15V 5.5GHZ SOT-89 3
Series：-
Mfr：NXP USA Inc.
Package：Tape & Reel (TR)
Transistor Type：NPN
Voltage - Collector Emitter Breakdown (Max)：15V
Frequency - Transition：5.5GHz
Noise Figure (dB Typ @ f)：3.3dB @ 500MHz
Gain：-
Power - Max：1W
DC Current Gain (hFE) (Min) @ Ic, Vce：25 @ 70mA, 10V
Current - Collector (Ic) (Max)：100mA
Operating Temperature：175°C (TJ)
Mounting Type：Surface Mount
Package / Case：TO-243AA
Supplier Device Package：SOT-89-3
Grade：-
Qualification：-

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BFQ19,115

Overview

The BFQ19,115 is an NPN silicon RF bipolar transistor designed for wideband applications up to 5 GHz. It features a maximum collector-emitter voltage (VCEO) of 18 V and a continuous collector current of 150 mA. The device operates within a temperature range of -65 °C to +150 °C and dissipates up to 1 W of power. Packaged in a SOT-89 surface-mount enclosure with a tape reel shipping format, it serves as a high-frequency component for UHF and microwave circuit integration.

Feature Summary

NPN silicon construction optimized for wideband RF performance
SOT-89 plastic envelope suitable for thick and thin-film circuits
High thermal stability supporting operation up to 150 °C

Applications

UHF and microwave amplifiers
Aerial amplifiers
Radar systems
Oscilloscopes
Spectrum analyzers

Procurement Notes

This component is discontinued and no longer manufactured by NXP Semiconductors. Historical data sheets and design resources remain available for reference purposes only. Verification of legacy stock availability requires direct inquiry with authorized distributors or surplus suppliers. Designers should initiate replacement qualification immediately to ensure long-term supply chain stability.

Selection Notes

Select this part for historical designs requiring an NPN wideband transistor rated at 5 GHz with 18 V breakdown. Verify that the SOT-89 package footprint matches the existing PCB layout. Confirm that the 150 mA current limit and 1 W power dissipation meet the specific amplifier biasing requirements. Check if modern equivalents offer improved noise figures or gain characteristics for updated specifications.

Part Context

The BFQ19 belongs to the BFQ series of NPN wideband transistors intended for UHF and microwave applications. It shares the SOT-89 packaging style with variants like the BFQ18A but offers higher frequency capability up to 5 GHz. This family targets analog signal processing in test equipment and communication infrastructure where broad bandwidth is critical.

Replacement Considerations

Publicly confirmed substitute part numbers are not provided in the available documentation. Engineers must identify cross-reference components based on matching electrical parameters such as 5 GHz cutoff frequency, 18 V VCEO, and SOT-89 package compatibility.

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.