Bipolar RF Transistors

Manufacturer Series Package/Case Packaging Product Status Transistor Type Voltage - Collector Emitter Breakdown (Max) Frequency - Transition Noise Figure (dB Typ @ f) Gain Power - Max DC Current Gain (hFE) (Min) @ Ic, Vce Current - Collector (Ic) (Max) Operating Temperature Grade Qualification Mounting Type Supplier Device Package












































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































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Photo Mfr. Part # Availability Price Quantity Datasheet Series Package/Case Packaging Product Status Transistor Type Voltage - Collector Emitter Breakdown (Max) Frequency - Transition Noise Figure (dB Typ @ f) Gain Power - Max DC Current Gain (hFE) (Min) @ Ic, Vce Current - Collector (Ic) (Max) Operating Temperature Grade Qualification Mounting Type Supplier Device Package
2SC5551AF-TD-E onsemi

2SC5551AF-TD-E

RF TRANS NPN 30V 3.5GHZ PCP

onsemi

5,471
RFQ
2SC5551AF-TD-E Datasheet

Datasheet

- TO-243AA Tape & Reel (TR) Obsolete NPN 30V 3.5GHz - - 1.3W 135 @ 50mA, 5V 300mA 150°C (TJ) - - Surface Mount PCP
LM3046MX/NOPB Texas Instruments

LM3046MX/NOPB

RF TRANS 5 NPN 15V 14-SOIC

Texas Instruments

0
RFQ

-

- 14-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Obsolete 5 NPN 15V - 3.25dB @ 1kHz - 750mW 40 @ 1mA, 3V 50mA -40°C ~ 85°C (TA) - - Surface Mount 14-SOIC
BFQ18A,115 NXP USA Inc.

BFQ18A,115

RF TRANS NPN 18V 4GHZ SOT89-3

NXP USA Inc.

5,910
RFQ
BFQ18A,115 Datasheet

Datasheet

- TO-243AA Tape & Reel (TR) Obsolete NPN 18V 4GHz - - 1W 25 @ 100mA, 10V 150mA 175°C (TJ) - - Surface Mount SOT-89-3
NE85633-T1B-A CEL

NE85633-T1B-A

RF TRANS NPN 12V 7GHZ SOT23

CEL

3,357
RFQ
NE85633-T1B-A Datasheet

Datasheet

- TO-236-3, SC-59, SOT-23-3 Tape & Reel (TR) Obsolete NPN 12V 7GHz 1.1dB @ 1GHz 11.5dB 200mW 50 @ 20mA, 10V 100mA 150°C (TJ) - - Surface Mount SOT-23-3
NE85630-T1-A CEL

NE85630-T1-A

RF TRANS NPN 12V 4.5GHZ SOT323

CEL

5,058
RFQ

-

- SC-70, SOT-323 Tape & Reel (TR) Obsolete NPN 12V 4.5GHz 1.2dB @ 1GHz 9dB 150mW 40 @ 7mA, 3V 100mA 150°C (TJ) - - Surface Mount SOT-323
NE85639-T1-A CEL

NE85639-T1-A

RF TRANS NPN 12V 9GHZ SOT143

CEL

5,217
RFQ
NE85639-T1-A Datasheet

Datasheet

- TO-253-4, TO-253AA Tape & Reel (TR) Obsolete NPN 12V 9GHz 1.1dB @ 1GHz 13dB 200mW 50 @ 20mA, 10V 100mA 150°C (TJ) - - Surface Mount SOT-143
2SC4226-T1-A CEL

2SC4226-T1-A

RF TRANS NPN 12V 4.5GHZ SOT323

CEL

8,911
RFQ

-

- SC-70, SOT-323 Tape & Reel (TR) Obsolete NPN 12V 4.5GHz 1.2dB @ 1GHz 9dB 150mW 40 @ 7mA, 3V 100mA 150°C (TJ) - - Surface Mount SOT-323
BFG591,115 NXP USA Inc.

BFG591,115

RF TRANS NPN 15V 7GHZ SOT223

NXP USA Inc.

2,903
RFQ
BFG591,115 Datasheet

Datasheet

- TO-261-4, TO-261AA Tape & Reel (TR) Obsolete NPN 15V 7GHz - - 2W 60 @ 70mA, 8V 200mA 150°C (TJ) - - Surface Mount SC-73
MRF559G Microsemi Corporation

MRF559G

RF TRANS NPN 16V 870MHZ MICRO X

Microsemi Corporation

9,786
RFQ
MRF559G Datasheet

Datasheet

- Micro-X ceramic (84C) Bulk Obsolete NPN 16V 870MHz - 9.5dB 2W 30 @ 50mA, 10V 150mA - - - Surface Mount Micro-X ceramic (84C)
NE46134-T1-QS-AZ CEL

NE46134-T1-QS-AZ

RF TRANS NPN 15V 5.5GHZ SOT89

CEL

6,220
RFQ

-

- TO-243AA Tape & Reel (TR) Obsolete NPN 15V 5.5GHz 1.5dB ~ 2dB @ 500MHz ~ 1GHz 7dB 2W 40 @ 50mA, 10V 250mA 150°C (TJ) - - Surface Mount SOT-89
MRF4427 Microsemi Corporation

MRF4427

RF TRANS NPN 20V 8SO

Microsemi Corporation

7,741
RFQ
MRF4427 Datasheet

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Bulk Obsolete NPN 20V - - 20dB 1.5W 10 @ 10mA, 5V 400mA - - - Surface Mount 8-SOIC
MRF4427G Microsemi Corporation

MRF4427G

RF TRANS NPN 20V 8SO

Microsemi Corporation

2,045
RFQ

-

- 8-SOIC (0.154", 3.90mm Width) Bulk Obsolete NPN 20V - - 20dB 1.5W 10 @ 10mA, 5V 400mA - - - Surface Mount 8-SOIC
MRF4427GR1 Microsemi Corporation

MRF4427GR1

RF TRANS NPN 20V 8SO

Microsemi Corporation

9,004
RFQ

-

- 8-SOIC (0.154", 3.90mm Width) Bulk Obsolete NPN 20V - - 20dB 1.5W 10 @ 10mA, 5V 400mA - - - Surface Mount 8-SOIC
MRF4427GR2 Microsemi Corporation

MRF4427GR2

RF TRANS NPN 20V 8SO

Microsemi Corporation

4,887
RFQ

-

- 8-SOIC (0.154", 3.90mm Width) Bulk Obsolete NPN 20V - - 20dB 1.5W 10 @ 10mA, 5V 400mA - - - Surface Mount 8-SOIC
MRF4427R1 Microsemi Corporation

MRF4427R1

RF TRANS NPN 20V 8DBGA

Microsemi Corporation

3,424
RFQ
MRF4427R1 Datasheet

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Bulk Obsolete NPN 20V - - 20dB 1.5W 10 @ 10mA, 5V 400mA - - - Surface Mount 8-SOIC
MRF4427R2 Microsemi Corporation

MRF4427R2

RF TRANS NPN 20V 8SO

Microsemi Corporation

8,458
RFQ
MRF4427R2 Datasheet

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Bulk Obsolete NPN 20V - - 20dB 1.5W 10 @ 10mA, 5V 400mA - - - Surface Mount 8-SOIC
MRF581 Microsemi Corporation

MRF581

RF TRANS NPN 18V 5GHZ MICRO X

Microsemi Corporation

6,020
RFQ
MRF581 Datasheet

Datasheet

- Micro-X ceramic (84C) Bulk Obsolete NPN 18V 5GHz 3dB ~ 3.5dB @ 500MHz 13dB ~ 15.5dB 1.25W 50 @ 50mA, 5V 200mA 150°C (TJ) - - Surface Mount Micro-X ceramic (84C)
MRF5812 Microsemi Corporation

MRF5812

RF TRANS NPN 15V 5GHZ 8SOIC

Microsemi Corporation

2,725
RFQ
MRF5812 Datasheet

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Bulk Obsolete NPN 15V 5GHz 2dB ~ 3dB @ 500MHz 13dB ~ 15.5dB 1.25W 50 @ 50mA, 5V 200mA - - - Surface Mount 8-SOIC
MRF5812G Microsemi Corporation

MRF5812G

RF TRANS NPN 15V 5GHZ 8SO

Microsemi Corporation

9,565
RFQ
MRF5812G Datasheet

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Bulk Obsolete NPN 15V 5GHz 2dB ~ 3dB @ 500MHz 13dB ~ 15.5dB 1.25W 50 @ 50mA, 5V 200mA - - - Surface Mount 8-SOIC
MRF5812R1 Microsemi Corporation

MRF5812R1

RF TRANS NPN 15V 5GHZ 8SO

Microsemi Corporation

5,651
RFQ
MRF5812R1 Datasheet

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Obsolete NPN 15V 5GHz 2dB ~ 3dB @ 500MHz 13dB ~ 15.5dB 1.25W 50 @ 50mA, 5V 200mA - - - Surface Mount 8-SOIC
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Bipolar RF Transistors Electronic Components Sourcing and Lifecycle Support

FPGAX is a global sourcing partner specializing in FPGA and programmable logic solutions for engineering and manufacturing organizations worldwide. For customers sourcing Bipolar RF Transistors components, we support both current production requirements and long-term component availability across demanding product lifecycles.

Our sourcing approach combines traceability, supply stability, and technical coordination. FPGAX is certified to AS9120B, ISO 9001:2008, and ISO 14001 standards and supports procurement programs where continuity, documentation, and dependable component supply are important.

How FPGAX Supports Bipolar RF Transistors Requirements

  • Active component sourcing: support for current FPGA, programmable logic, and related semiconductor requirements.
  • End-of-life sourcing: assistance with obsolete and hard-to-find parts when designs must remain in production.
  • Lifecycle management: sourcing support during product transitions, allocation periods, and supply interruptions.
  • Design continuity: long-term supply support intended to reduce redesign pressure and production disruption.
  • Major programmable logic brands: sourcing coverage includes Xilinx, Intel/Altera, Lattice, Microchip, and QuickLogic.

Supply Support at a Glance

Requirement FPGAX Support
Current production Active FPGA, programmable logic, and semiconductor component sourcing
Legacy programs End-of-life and hard-to-find component sourcing
Supply continuity Lifecycle transition and long-term availability support
Quality requirements Traceable sourcing and quality-management processes

Focused on FPGA and Programmable Logic Supply

FPGAX focuses on helping customers maintain access to critical programmable devices throughout the full component lifecycle. Whether the requirement is for a current design, an established production program, or an older platform facing component obsolescence, our goal is to provide a stable sourcing path and help customers maintain design and manufacturing continuity.

Bipolar RF Transistors FAQ

Can FPGAX source both active and end-of-life Bipolar RF Transistors components?

Yes. FPGAX supports sourcing for both active components and end-of-life or hard-to-find parts, with an emphasis on maintaining supply continuity for engineering and manufacturing programs.

Which programmable logic manufacturers does FPGAX support?

Our core sourcing coverage includes major FPGA and programmable logic manufacturers such as Xilinx, Intel/Altera, Lattice, Microchip, and QuickLogic, subject to specific part requirements and availability.

How does FPGAX help with component lifecycle changes?

We support customers through lifecycle transitions by helping locate current or legacy supply, reducing exposure to supply disruptions, and supporting long-term availability for designs that need to remain in production.

What quality and traceability standards does FPGAX follow?

FPGAX states certification to AS9120B, ISO 9001:2008, and ISO 14001 standards. Our sourcing services are structured around traceability, stable supply, and quality-management requirements.

What information should I provide for a Bipolar RF Transistors sourcing request?

Providing the manufacturer part number, required quantity, target delivery schedule, and any lifecycle or traceability requirements helps us evaluate the sourcing request more efficiently.