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FMB3946

Onsemi

FMB3946 by Onsemi

FMB3946 by Onsemi is a RF BJT transistor with NPN and PNP channels. It has 2 elements, 6 terminals, hFE of 30, max temp of 150°C, Vce of 40V, and fT of 200MHz. Ideal for switching applications due to its fast ton (38ns) and toff (190ns) times in a small outline package.

Median Price

$0.265

Lifecycle Status

Suppliers In-Stock

16

In-Stock Inventory

1k+

Distributors (Authorized)

Supplier In-Stock 1+ parts 100+ parts 1k+ parts 10k+ parts

Rochester

USA . 241,847 parts In-Stock

1+ parts

$0.110

100+ parts

$0.110

1k+ parts

$0.110

10k+ parts

-

241,847

$0.110

$0.110

$0.110

-

Adafruit Industries

USA . 10 parts In-Stock

1+ parts

$0.168

100+ parts

$0.168

1k+ parts

$0.168

10k+ parts

-

10

$0.168

$0.168

$0.168

-

Arrow

USA . 6,000 parts In-Stock

1+ parts

$0.507

100+ parts

$0.222

1k+ parts

$0.143

10k+ parts

$0.112

6,000

$0.507

$0.222

$0.143

$0.112

Newark

USA . 740 parts In-Stock

1+ parts

$0.670

100+ parts

$0.265

1k+ parts

$0.180

10k+ parts

-

740

$0.670

$0.265

$0.180

-

DigiKey

USA . 41,423 parts In-Stock

1+ parts

$0.690

100+ parts

$0.272

1k+ parts

$0.185

10k+ parts

-

41,423

$0.690

$0.272

$0.185

-

Mouser Electronics

USA . 6,315 parts In-Stock

1+ parts

$0.690

100+ parts

$0.272

1k+ parts

$0.206

10k+ parts

-

6,315

$0.690

$0.272

$0.206

-

Verical

USA . 216,000 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

$0.110

216,000

-

-

-

$0.110

Chip1Stop

Japan . 6,000 parts In-Stock

1+ parts

-

100+ parts

$0.205

1k+ parts

$0.132

10k+ parts

$0.115

6,000

-

$0.205

$0.132

$0.115

Farnell

UK . 2,840 parts In-Stock

1+ parts

-

100+ parts

$0.222

1k+ parts

$0.155

10k+ parts

$0.122

2,840

-

$0.222

$0.155

$0.122

Element14

Singapore . 2,840 parts In-Stock

1+ parts

-

100+ parts

$0.308

1k+ parts

$0.173

10k+ parts

-

2,840

-

$0.308

$0.173

-

Distributors (In-Stock)

Supplier In-Stock 1+ parts 100+ parts 1k+ parts 10k+ parts

Digiode

USA . 883 parts In-Stock

1+ parts

$0.104

100+ parts

-

1k+ parts

-

10k+ parts

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883

$0.104

-

-

-

Nova Conductors

Japan . 100 parts In-Stock

1+ parts

$0.166

100+ parts

-

1k+ parts

-

10k+ parts

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100

$0.166

-

-

-

Flip Electronics

USA . 189,000 parts In-Stock

1+ parts

-

100+ parts

-

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-

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189,000

-

-

-

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NAC Semi

USA . 30,000 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

$0.147

30,000

-

-

-

$0.147

Vyrian

USA . 27,647 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

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27,647

-

-

-

-

Chip Stock

USA . 4,400 parts In-Stock

1+ parts

-

100+ parts

-

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4,400

-

-

-

-

Distributors (Availability)

Supplier In-Stock 1+ parts 100+ parts 1k+ parts 10k+ parts

Ampacity Inc.

Singapore . 29,769 parts In-Stock

1+ parts

$0.093

100+ parts

-

1k+ parts

-

10k+ parts

-

29,769

$0.093

-

-

-

Semicontronic

India . 27,594 parts In-Stock

1+ parts

$0.093

100+ parts

$0.091

1k+ parts

$0.090

10k+ parts

-

27,594

$0.093

$0.091

$0.090

-

Corphita

USA . 1,416 parts In-Stock

1+ parts

$0.099

100+ parts

-

1k+ parts

-

10k+ parts

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1,416

$0.099

-

-

-

Corohmni

South Africa . 254 parts In-Stock

1+ parts

$0.110

100+ parts

-

1k+ parts

-

10k+ parts

-

254

$0.110

-

-

-

Argo Parts USA

USA . 3,780 parts In-Stock

1+ parts

$0.166

100+ parts

-

1k+ parts

-

10k+ parts

$0.161

3,780

$0.166

-

-

$0.161

Advanced Electronics

New Zealand . 10 parts In-Stock

1+ parts

$0.168

100+ parts

$0.168

1k+ parts

$0.168

10k+ parts

-

10

$0.168

$0.168

$0.168

-

Continental Prestige Electronics

USA . 2,908 parts In-Stock

1+ parts

$0.351

100+ parts

$0.115

1k+ parts

$0.089

10k+ parts

-

2,908

$0.351

$0.115

$0.089

-

Aztec Data Supply Inc.

USA . 855 parts In-Stock

1+ parts

$0.419

100+ parts

-

1k+ parts

-

10k+ parts

-

855

$0.419

-

-

-

Component Stockers USA

USA . 2,036 parts In-Stock

1+ parts

$0.500

100+ parts

$0.280

1k+ parts

$0.160

10k+ parts

-

2,036

$0.500

$0.280

$0.160

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iodParts Technologies Inc.

India . 141,000 parts In-Stock

1+ parts

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100+ parts

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141,000

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Perfect Parts

USA . 16,056 parts In-Stock

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16,056

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Kepictronics

USA . 9,000 parts In-Stock

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9,000

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TANS Electronics

Latvia . 8,393 parts In-Stock

1+ parts

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8,393

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-

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Eastek

USA . 6,000 parts In-Stock

1+ parts

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100+ parts

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6,000

-

-

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Problanco Electronics

Mexico . 5,060 parts In-Stock

1+ parts

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5,060

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Kulean Microsystems

USA . 4,007 parts In-Stock

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4,007

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-

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Glotronic Ltd.

UK . 3,900 parts In-Stock

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3,900

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-

-

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SupplyDigital Components

Austria . 2,931 parts In-Stock

1+ parts

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100+ parts

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2,931

-

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Supply Digital

USA . 2,424 parts In-Stock

1+ parts

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2,424

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Authorized Procurement Solutions

USA . 2,000 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

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2,000

-

-

-

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UHIMA Technologies

Türkiye . 542 parts In-Stock

1+ parts

-

100+ parts

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1k+ parts

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542

-

-

-

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Netroflash

USA . 500 parts In-Stock

1+ parts

-

100+ parts

$0.163

1k+ parts

$0.158

10k+ parts

$0.154

500

-

$0.163

$0.158

$0.154

Overview

Experience superior performance and reliability with the FMB3946 by Onsemi, a high-quality RF Small Signal BJT transistor designed for switching applications. With separate NPN and PNP elements in a compact rectangular package, this transistor offers unmatched efficiency and precision. Trust in Onsemi's reputation for excellence in semiconductor manufacturing as you unlock the full potential of your electronics projects. Upgrade your designs with the FMB3946 and elevate your innovation to new heights.

Feature Benefit Bullets

Package Body Material: PLASTIC/EPOXY

The use of plastic/epoxy material makes the product lightweight and durable, ideal for portable electronic devices.

Polarity or Channel Type: NPN AND PNP

Having both NPN and PNP options allows for versatile circuit design and compatibility with various applications.

Configuration: SEPARATE, 2 ELEMENTS

The separate 2-element configuration provides flexibility in circuit design and allows for efficient signal processing.

Transistor Application: SWITCHING

Designed for switching applications, this product offers fast and reliable switching performance for optimal operation.

Surface Mount: YES

Being surface mount compatible makes installation easier and saves space on the PCB, enhancing overall design efficiency.

Package Shape: RECTANGULAR

The rectangular package shape offers easy integration into PCB layouts, optimizing space utilization.

Terminal Form: GULL WING

The gull wing terminal form enables secure connections and easy soldering during assembly, ensuring reliable electrical contact.

No. of Elements: 2

With 2 elements, this product provides a balanced configuration for improved stability and performance in electronic circuits.

No. of Terminals: 6

The 6 terminals offer ample connection points for different circuit configurations, enhancing design possibilities.

Package Style (Meter): SMALL OUTLINE

The small outline package style saves space on the PCB, making it suitable for compact electronic devices.

Minimum DC Current Gain (hFE): 30

A minimum DC current gain of 30 ensures consistent amplification in circuits, enhancing signal strength and reliability.

Maximum Operating Temperature: 150 °C

With a high maximum operating temperature of 150°C, this product can withstand demanding environmental conditions.

Maximum Collector-Emitter Voltage: 40 V

The high maximum collector-emitter voltage of 40V allows for safe operation in various voltage applications.

Transistor Element Material: SILICON

The silicon transistor element material offers high performance and reliability, ensuring stable operation over time.

Maximum Turn On Time (ton): 38 ns

The fast turn-on time of 38ns enables quick switching transitions, improving overall circuit efficiency.

Maximum Collector Current (IC): 0.2 A

A maximum collector current of 0.2A supports reliable current flow in circuits, ensuring safe and efficient operation.

Maximum Turn Off Time (toff): 190 ns

The maximum turn-off time of 190ns ensures minimal switching delays, enhancing the speed and efficiency of the circuit.

Terminal Finish: TIN

The tin terminal finish provides excellent solderability and corrosion resistance, ensuring long-term reliability in various environments.

Terminal Position: DUAL

The dual terminal position allows for versatile mounting options and simplifies installation in different configurations.

Maximum Time At Peak Reflow Temperature (s): 30

With a maximum time at peak reflow temperature of 30 seconds, this product offers efficient soldering process compatibility.

Peak Reflow Temperature °C: 260

The peak reflow temperature of 260°C ensures reliable solder joints and secure connections during assembly.

Nominal Transition Frequency (fT): 200 MHz

With a high nominal transition frequency of 200MHz, this product delivers excellent high-frequency performance for faster signal processing.

Technical Specifications

RF Small Signal Bipolar Junction Transistors (BJT) FMB3946 attributes and parameters. Explore more RF Small Signal Bipolar Junction Transistors (BJT) devices from Onsemi

Specs

Maximum Collector Current (IC):

Maximum Collector-Emitter Voltage:

40 V

Configuration:

Minimum DC Current Gain (hFE):

30

JESD-30 Code:

R-PDSO-G6

JESD-609 Code:

e3

Moisture Sensitivity Level (MSL):

1

No. of Elements:

2

No. of Terminals:

6

Maximum Operating Temperature:

150 Cel

Package Body Material:

PLASTIC/EPOXY

Package Shape:

RECTANGULAR

Package Style (Meter):

SMALL OUTLINE

Peak Reflow Temperature (C):

260

Polarity or Channel Type:

Qualification:

Not Qualified

Sub-Category:

BIP General Purpose Small Signal

Surface Mount:

YES

Terminal Finish:

TIN

Terminal Form:

GULL WING

Terminal Position:

DUAL

Maximum Time At Peak Reflow Temperature (s):

30

Transistor Application:

SWITCHING

Transistor Element Material:

SILICON

Nominal Transition Frequency (fT):

Maximum Turn Off Time (toff):

190 ns

Maximum Turn On Time (ton):

38 ns

Trade Compliance

FMB3946 Transistors trade compliance attributes, and parameters.

ECCN

EAR99

ECCN Governance

EAR

Manufacturer Highlights

Onsemi

Established in 1999, Onsemi is a leading global provider of power and image-sensing technologies. They are dedicated to building a better future for the automotive, industrial, cloud, medical, and IoT markets. Onsemi's core technologies include analog, digital, and mixed-signal products that offer innovative solutions for advanced automotive systems; highly reliable power management products for industrial applications; low-cost imaging solutions for medical equipment and consumer electronics; and robust communication architectures for the Internet of Things (IoT).

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Management team

President, CEO

Hassane El-Khoury

Executive VP, CFO, Treasurer

Thad Trent

Senior VP

Ross F. Jatou

Manufacturer fab locations 15

Fab name Location Fab Initiation Wafer Capacity

Aizu Fab

Fabrication

Fab Initiation

1995

Japan

Aizu Wakamatsu

Wafer Capacity

52,000

1995

52,000

Si/EPI Fab

Fabrication

Fab Initiation

2018

Czech Republic

Rožnov pod Radhoštěm

Wafer Capacity

10,000

2018

10,000

Expansion Phase 1 for SiC / EPI

Fabrication

Fab Initiation

2019

Czech Republic

Rožnov pod Radhoštěm

Wafer Capacity

14,500

2019

14,500

Expansion Phase 2 for SiC / EPI

Fabrication

Fab Initiation

2024

Czech Republic

Rožnov pod Radhoštěm

Wafer Capacity

2024

SiC Fab

Fabrication

Fab Initiation

2022

USA

Hudson

Wafer Capacity

2022

Bucheon

Fabrication

Fab Initiation

2013

South Korea

Bucheon

Wafer Capacity

61,000

2013

61,000

ISMF - Malaysia

Fabrication

Fab Initiation

1990

Malaysia

Seremban

Wafer Capacity

95,000

1990

95,000

Roznov Device Fab

Fabrication

Fab Initiation

1987

Czech Republic

Rožnov pod Radhoštěm

Wafer Capacity

80,000

1987

80,000

Fab 10

Fabrication

Fab Initiation

2002

USA

East Fishkill

Wafer Capacity

15,000

2002

15,000

Burlington

Fabrication

Fab Initiation

1986

Canada

Burlington

Wafer Capacity

1986

Gresham

Fabrication

Fab Initiation

1998

USA

Gresham

Wafer Capacity

45,000

1998

45,000

Bucheon 150mm

Fabrication

Fab Initiation

2000

South Korea

Bucheon

Wafer Capacity

50,000

2000

50,000

Rochester

Fabrication

Fab Initiation

1983

USA

Rochester

Wafer Capacity

10,000

1983

10,000

Nampa

Fabrication

Fab Initiation

1995

USA

Nampa

Wafer Capacity

1995

Pennsylvania

Fabrication

Fab Initiation

1997

USA

Mountain Top

Wafer Capacity

36,000

1997

36,000

Category top products 20

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