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Small Signal Bipolar Junction Transistors (BJT)

Small Signal Bipolar Junction Transistors (BJT) are electronic devices used in low-power applications to amplify and switch small signals. They are commonly used in applications such as audio amplifiers, signal processing, and low-power digital circuits.

Small Signal BJTs are designed to handle low-power levels and operate at low to medium frequencies, typically in the range of a few Hz to several MHz. They have a high gain and low noise figure, making them suitable for small signal amplification.

The Small Signal BJT consists of an emitter, base, and collector region, and works by controlling the flow of majority charge carriers (electrons or holes) between the emitter and collector through the base region. When a voltage is applied to the base-emitter junction, a small current flows through the base, allowing a larger current to flow from the emitter to the collector.

Proper use of Small Signal BJTs is important to ensure optimal performance, reliability, and compatibility with other components in the circuit. Small Signal BJTs are often used in conjunction with other components, such as capacitors and resistors, to form complete low-power electronic circuits.B395

Small Signal Bipolar Junction Transistors (BJT)

Available Parts 2,001

Part# Info Specs
Part RoHS Manufacturer Description Additional Features Case Connection Maximum Collector Current (IC) Maximum Collector-Base Capacitance Maximum Collector-Emitter Voltage Configuration Minimum DC Current Gain (hFE) Minimum DS Breakdown Voltage Maximum Drain Current (ID) Maximum Drain-Source On Resistance Field Effect Transistor Technology Maximum Fall Time (tf) Maximum Feedback Capacitance (Crss) JEDEC-95 Code JESD-30 Code JESD-609 Code Moisture Sensitivity Level (MSL) No. of Elements No. of Terminals Operating Mode Maximum Operating Temperature Minimum Operating Temperature Package Body Material Package Shape Package Style (Meter) Peak Reflow Temperature (C) Polarity or Channel Type Maximum Power Dissipation Ambient Maximum Power Dissipation (Abs) Qualification Reference Standard Maximum Rise Time (tr) Sub-Category Surface Mount Terminal Finish Terminal Form Terminal Position Maximum Time At Peak Reflow Temperature (s) Transistor Application Transistor Element Material Nominal Transition Frequency (fT) Maximum Turn Off Time (toff) Maximum Turn On Time (ton) Maximum VCEsat
BCR101T-E6327 by Infineon Technologies

BCR101T-E6327

Infineon Technologies

NPN; Surface Mount: YES; Maximum Power Dissipation (Abs): .25 W; Maximum Collector Current (IC): .05 A; Minimum DC Current Gain (hFE): 70; Transistor Element Material: SILICON;

.05 A

70

1

NPN

.25 W

BIP General Purpose Small Signal

YES

SILICON

BCR112F-E6327 by Infineon Technologies

BCR112F-E6327

Infineon Technologies

Infineon's BCR112F-E6327 is a NPN BJT transistor with max. power dissipation of 0.25W, min. DC current gain of 20, and max. collector current of 0.1A. Ideal for surface mount applications in electronics requiring small signal amplification and switching capabilities at peak reflow temp of 260°C.

.1 A

20

1

260

NPN

.25 W

BIP General Purpose Small Signal

YES

SILICON

BCR142F-E6327 by Infineon Technologies

BCR142F-E6327

Infineon Technologies

NPN; Surface Mount: YES; Maximum Power Dissipation (Abs): .25 W; Maximum Collector Current (IC): .1 A; Minimum DC Current Gain (hFE): 70; Transistor Element Material: SILICON;

.1 A

70

1

NPN

.25 W

BIP General Purpose Small Signal

YES

SILICON

BCR114F-E6327 by Infineon Technologies

BCR114F-E6327

Infineon Technologies

NPN; Surface Mount: YES; Maximum Power Dissipation (Abs): .25 W; Maximum Collector Current (IC): .1 A; Peak Reflow Temperature (C): 260; No. of Elements: 1;

.1 A

30

1

1

260

NPN

.25 W

BIP General Purpose Small Signal

YES

SILICON

BCR139F-E6327 by Infineon Technologies

BCR139F-E6327

Infineon Technologies

NPN; Surface Mount: YES; Maximum Power Dissipation (Abs): .25 W; Maximum Collector Current (IC): .1 A; Transistor Element Material: SILICON; No. of Elements: 1;

.1 A

120

1

1

260

NPN

.25 W

BIP General Purpose Small Signal

YES

SILICON

BCR139T-E6327 by Infineon Technologies

BCR139T-E6327

Infineon Technologies

NPN; Surface Mount: YES; Maximum Power Dissipation (Abs): .25 W; Maximum Collector Current (IC): .1 A; Minimum DC Current Gain (hFE): 120; Transistor Element Material: SILICON;

.1 A

120

1

NPN

.25 W

BIP General Purpose Small Signal

YES

SILICON

BCR146F-E6327 by Infineon Technologies

BCR146F-E6327

Infineon Technologies

NPN; Surface Mount: YES; Maximum Power Dissipation (Abs): .25 W; Maximum Collector Current (IC): .07 A; Minimum DC Current Gain (hFE): 50; No. of Elements: 1;

.07 A

50

1

NPN

.25 W

BIP General Purpose Small Signal

YES

SILICON

BCR153F-E6327 by Infineon Technologies

BCR153F-E6327

Infineon Technologies

PNP; Surface Mount: YES; Maximum Power Dissipation (Abs): .25 W; Maximum Collector Current (IC): .1 A; Transistor Element Material: SILICON; Minimum DC Current Gain (hFE): 20;

.1 A

20

1

PNP

.25 W

BIP General Purpose Small Signal

YES

SILICON

BCR149T-E6327 by Infineon Technologies

BCR149T-E6327

Infineon Technologies

NPN; Surface Mount: YES; Maximum Power Dissipation (Abs): .25 W; Maximum Collector Current (IC): .07 A; Transistor Element Material: SILICON; No. of Elements: 1;

.07 A

120

1

NPN

.25 W

BIP General Purpose Small Signal

YES

SILICON

BCR162F-E6327 by Infineon Technologies

BCR162F-E6327

Infineon Technologies

PNP; Surface Mount: YES; Maximum Power Dissipation (Abs): .25 W; Maximum Collector Current (IC): .1 A; Minimum DC Current Gain (hFE): 20; Transistor Element Material: SILICON;

.1 A

20

1

PNP

.25 W

BIP General Purpose Small Signal

YES

SILICON

BCR151T-E6327 by Infineon Technologies

BCR151T-E6327

Infineon Technologies

PNP; Surface Mount: YES; Maximum Power Dissipation (Abs): .25 W; Maximum Collector Current (IC): .05 A; Transistor Element Material: SILICON; No. of Elements: 1;

.05 A

70

1

PNP

.25 W

BIP General Purpose Small Signal

YES

SILICON

BCR189F-E6327 by Infineon Technologies

BCR189F-E6327

Infineon Technologies

PNP; Surface Mount: YES; Maximum Power Dissipation (Abs): .25 W; Maximum Collector Current (IC): .1 A; Minimum DC Current Gain (hFE): 120; No. of Elements: 1;

.1 A

120

1

PNP

.25 W

BIP General Purpose Small Signal

YES

SILICON

BCR189T-E6327 by Infineon Technologies

BCR189T-E6327

Infineon Technologies

PNP; Surface Mount: YES; Maximum Power Dissipation (Abs): .25 W; Maximum Collector Current (IC): .1 A; Transistor Element Material: SILICON; No. of Elements: 1;

.1 A

120

1

PNP

.25 W

BIP General Purpose Small Signal

YES

SILICON

BCR199T-E6327 by Infineon Technologies

BCR199T-E6327

Infineon Technologies

PNP; Surface Mount: YES; Maximum Power Dissipation (Abs): .25 W; Maximum Collector Current (IC): .07 A; No. of Elements: 1; Transistor Element Material: SILICON;

.07 A

120

1

PNP

.25 W

BIP General Purpose Small Signal

YES

SILICON

BCR164T-E6327 by Infineon Technologies

BCR164T-E6327

Infineon Technologies

PNP; Surface Mount: YES; Maximum Power Dissipation (Abs): .25 W; Maximum Collector Current (IC): .1 A; Minimum DC Current Gain (hFE): 30; Transistor Element Material: SILICON;

.1 A

30

1

PNP

.25 W

BIP General Purpose Small Signal

YES

SILICON

BCR196F-E6327 by Infineon Technologies

BCR196F-E6327

Infineon Technologies

PNP; Surface Mount: YES; Maximum Power Dissipation (Abs): .25 W; Maximum Collector Current (IC): .07 A; No. of Elements: 1; Minimum DC Current Gain (hFE): 50;

.07 A

50

1

PNP

.25 W

BIP General Purpose Small Signal

YES

SILICON

BCR196T-E6327 by Infineon Technologies

BCR196T-E6327

Infineon Technologies

PNP; Surface Mount: YES; Maximum Power Dissipation (Abs): .25 W; Maximum Collector Current (IC): .07 A; Minimum DC Current Gain (hFE): 50; Transistor Element Material: SILICON;

.07 A

50

1

PNP

.25 W

BIP General Purpose Small Signal

YES

SILICON

BCR192F-E6327 by Infineon Technologies

BCR192F-E6327

Infineon Technologies

PNP; Surface Mount: YES; Maximum Power Dissipation (Abs): .25 W; Maximum Collector Current (IC): .1 A; Transistor Element Material: SILICON; No. of Elements: 1;

.1 A

70

1

PNP

.25 W

BIP General Purpose Small Signal

YES

SILICON

BCR103F-E6327 by Infineon Technologies

BCR103F-E6327

Infineon Technologies

NPN; Surface Mount: YES; Maximum Power Dissipation (Abs): .25 W; Maximum Collector Current (IC): .1 A; No. of Elements: 1; Transistor Element Material: SILICON;

.1 A

20

1

NPN

.25 W

BIP General Purpose Small Signal

YES

SILICON

BCR103T-E6327 by Infineon Technologies

BCR103T-E6327

Infineon Technologies

NPN; Surface Mount: YES; Maximum Power Dissipation (Abs): .25 W; Maximum Collector Current (IC): .1 A; Transistor Element Material: SILICON; Minimum DC Current Gain (hFE): 20;

.1 A

20

1

NPN

.25 W

BIP General Purpose Small Signal

YES

SILICON

BCR183F-E6327 by Infineon Technologies

BCR183F-E6327

Infineon Technologies

PNP; Surface Mount: YES; Maximum Power Dissipation (Abs): .25 W; Maximum Collector Current (IC): .1 A; Transistor Element Material: SILICON; Peak Reflow Temperature (C): 260;

.1 A

30

1

260

PNP

.25 W

BIP General Purpose Small Signal

YES

SILICON

EMD5DXV6T1G by Onsemi

EMD5DXV6T1G

Onsemi

EMD5DXV6T1G by Onsemi is a dual NPN and PNP BJT with 2 elements, 0.5W power dissipation, hFE of 20, and 0.1A collector current. It is made of silicon for surface mount applications with TIN finish. Ideal for low-power amplification in electronic circuits.

.1 A

20

e3

1

2

260

NPN AND PNP

.5 W

BIP General Purpose Small Signal

YES

TIN

SILICON

BCR198F-E6327 by Infineon Technologies

BCR198F-E6327

Infineon Technologies

PNP; Surface Mount: YES; Maximum Power Dissipation (Abs): .25 W; Maximum Collector Current (IC): .07 A; Peak Reflow Temperature (C): 260; Moisture Sensitivity Level (MSL): 1;

.07 A

70

1

1

260

PNP

.25 W

BIP General Purpose Small Signal

YES

SILICON

FA4F4M-T1B-A by Renesas Electronics

FA4F4M-T1B-A

Renesas Electronics

NPN; Surface Mount: YES; Maximum Power Dissipation (Abs): .2 W; Maximum Collector Current (IC): .1 A; No. of Elements: 1; Minimum DC Current Gain (hFE): 60;

.1 A

60

e6

1

NPN

.2 W

BIP General Purpose Small Signal

YES

TIN BISMUTH

SILICON

FN4L4M-T1B-A by Renesas Electronics

FN4L4M-T1B-A

Renesas Electronics

PNP; Surface Mount: YES; Maximum Power Dissipation (Abs): .2 W; Maximum Collector Current (IC): .1 A; Transistor Element Material: SILICON; Minimum DC Current Gain (hFE): 85;

.1 A

85

e6

1

PNP

.2 W

BIP General Purpose Small Signal

YES

TIN BISMUTH

SILICON

ZTX1149ASTOB by Diodes Incorporated

ZTX1149ASTOB

Diodes Incorporated

PNP; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 135 MHz; Maximum Power Dissipation (Abs): 1 W; Maximum Collector Current (IC): 3 A;

3 A

50 pF

25 V

SINGLE

115

R-PSIP-W3

1

3

200 Cel

-55 Cel

PLASTIC/EPOXY

RECTANGULAR

IN-LINE

PNP

1 W

1 W

NO

WIRE

SINGLE

SILICON

135 MHz

.3 V

ZTX1149ASTZ by Diodes Incorporated

ZTX1149ASTZ

Diodes Incorporated

PNP; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 135 MHz; Maximum Power Dissipation (Abs): 1 W; Maximum Collector Current (IC): 3 A;

3 A

50 pF

25 V

SINGLE

115

R-PSIP-W3

e3

1

3

200 Cel

-55 Cel

PLASTIC/EPOXY

RECTANGULAR

IN-LINE

260

PNP

1 W

1 W

NO

MATTE TIN

WIRE

SINGLE

30

SILICON

135 MHz

.3 V

ZTX1051ASTOB by Diodes Incorporated

ZTX1051ASTOB

Diodes Incorporated

NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 155 MHz; Maximum Power Dissipation (Abs): 1 W; Maximum Collector Current (IC): 4 A;

LOW NOISE

4 A

40 pF

40 V

SINGLE

45

R-PSIP-W3

e3

1

3

200 Cel

-55 Cel

PLASTIC/EPOXY

RECTANGULAR

IN-LINE

260

NPN

1 W

1 W

NO

MATTE TIN

WIRE

SINGLE

SWITCHING

SILICON

155 MHz

.21 V

ZTX1051ASTZ by Diodes Incorporated

ZTX1051ASTZ

Diodes Incorporated

NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 155 MHz; Maximum Power Dissipation (Abs): 1 W; Maximum Collector Current (IC): 4 A;

LOW NOISE

4 A

40 pF

40 V

SINGLE

45

R-PSIP-W3

e3

1

3

200 Cel

-55 Cel

PLASTIC/EPOXY

RECTANGULAR

IN-LINE

260

NPN

1 W

1 W

NO

MATTE TIN

WIRE

SINGLE

SWITCHING

SILICON

155 MHz

.21 V

ZTX1048ASTOB by Diodes Incorporated

ZTX1048ASTOB

Diodes Incorporated

NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 150 MHz; Maximum Power Dissipation (Abs): 1 W; Maximum Collector Current (IC): 4 A;

4 A

80 pF

17.5 V

SINGLE

50

R-PSIP-W3

1

3

200 Cel

-55 Cel

PLASTIC/EPOXY

RECTANGULAR

IN-LINE

NPN

1 W

1 W

NO

WIRE

SINGLE

SWITCHING

SILICON

150 MHz

.245 V

ZTX1048ASTOA by Diodes Incorporated

ZTX1048ASTOA

Diodes Incorporated

NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 150 MHz; Maximum Power Dissipation (Abs): 1 W; Maximum Collector Current (IC): 4 A;

4 A

80 pF

17.5 V

SINGLE

50

R-PSIP-W3

1

3

200 Cel

-55 Cel

PLASTIC/EPOXY

RECTANGULAR

IN-LINE

NPN

1 W

1 W

NO

WIRE

SINGLE

SWITCHING

SILICON

150 MHz

.245 V

ZTX1048ASTZ by Diodes Incorporated

ZTX1048ASTZ

Diodes Incorporated

NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 150 MHz; Maximum Power Dissipation (Abs): 1 W; Maximum Collector Current (IC): 4 A;

4 A

80 pF

17.5 V

SINGLE

50

R-PSIP-W3

e3

1

3

200 Cel

-55 Cel

PLASTIC/EPOXY

RECTANGULAR

IN-LINE

260

NPN

1 W

1 W

NO

MATTE TIN

WIRE

SINGLE

30

SWITCHING

SILICON

150 MHz

.245 V

BCR133F-E6327 by Infineon Technologies

BCR133F-E6327

Infineon Technologies

Infineon's BCR133F-E6327 is a NPN BJT ideal for surface mount applications. With a max power dissipation of 0.25W, min hFE of 30, and max IC of 0.1A, it's suitable for low-power electronic circuits in various industries.

.1 A

30

1

1

260

NPN

.25 W

BIP General Purpose Small Signal

YES

SILICON

RN1314(TE85L,F) by Toshiba

RN1314(TE85L,F)

Toshiba

NPN; Surface Mount: YES; Maximum Power Dissipation (Abs): .1 W; Maximum Collector Current (IC): .1 A; Minimum DC Current Gain (hFE): 50; No. of Elements: 1;

.1 A

50

1

NPN

.1 W

BIP General Purpose Small Signal

YES

SILICON

BCR185F-E6327 by Infineon Technologies

BCR185F-E6327

Infineon Technologies

PNP; Surface Mount: YES; Maximum Power Dissipation (Abs): .25 W; Maximum Collector Current (IC): .1 A; Minimum DC Current Gain (hFE): 70; Transistor Element Material: SILICON;

.1 A

70

1

PNP

.25 W

BIP General Purpose Small Signals

YES

SILICON

BCR135F-E6327 by Infineon Technologies

BCR135F-E6327

Infineon Technologies

Infineon's BCR135F-E6327 is a NPN BJT transistor with 0.1A max collector current, 0.25W power dissipation, and 70 min DC current gain. Ideal for surface mount applications in small signal circuits requiring silicon element material.

.1 A

70

1

NPN

.25 W

BIP General Purpose Small Signals

YES

SILICON

BCR169F-E6327 by Infineon Technologies

BCR169F-E6327

Infineon Technologies

PNP; Surface Mount: YES; Maximum Power Dissipation (Abs): .25 W; Maximum Collector Current (IC): .1 A; Minimum DC Current Gain (hFE): 120; No. of Elements: 1;

.1 A

120

1

PNP

.25 W

BIP General Purpose Small Signals

YES

SILICON

BCR191F-E6327 by Infineon Technologies

BCR191F-E6327

Infineon Technologies

PNP; Surface Mount: YES; Maximum Power Dissipation (Abs): .25 W; Maximum Collector Current (IC): .1 A; No. of Elements: 1; Minimum DC Current Gain (hFE): 50;

.1 A

50

1

PNP

.25 W

BIP General Purpose Small Signals

YES

BCR158F-E6327 by Infineon Technologies

BCR158F-E6327

Infineon Technologies

PNP; Surface Mount: YES; Maximum Power Dissipation (Abs): .25 W; Maximum Collector Current (IC): .1 A; No. of Elements: 1; Minimum DC Current Gain (hFE): 70;

.1 A

70

1

PNP

.25 W

BIP General Purpose Small Signals

YES

SILICON

BCR179F-E6327 by Infineon Technologies

BCR179F-E6327

Infineon Technologies

PNP; Surface Mount: YES; Maximum Power Dissipation (Abs): .25 W; Maximum Collector Current (IC): .1 A; Minimum DC Current Gain (hFE): 120; Transistor Element Material: SILICON;

.1 A

120

1

PNP

.25 W

BIP General Purpose Small Signals

YES

SILICON

RN1101ACT(TPL3) by Toshiba

RN1101ACT(TPL3)

Toshiba

NPN; Surface Mount: YES; Maximum Power Dissipation (Abs): .1 W; Maximum Collector Current (IC): .08 A; Minimum DC Current Gain (hFE): 30; No. of Elements: 1;

.08 A

30

1

NPN

.1 W

BIP General Purpose Small Signal

YES

SILICON

RN1102ACT(TPL3) by Toshiba

RN1102ACT(TPL3)

Toshiba

Toshiba's RN1102ACT(TPL3) is a NPN BJT transistor with 0.1W power dissipation, 50 min hFE, and 0.08A max IC. Ideal for small signal applications in surface mount designs due to its silicon element material.

.08 A

50

1

NPN

.1 W

BIP General Purpose Small Signal

YES

SILICON

RN1103ACT(TPL3) by Toshiba

RN1103ACT(TPL3)

Toshiba

NPN; Surface Mount: YES; Maximum Power Dissipation (Abs): .1 W; Maximum Collector Current (IC): .08 A; No. of Elements: 1; Transistor Element Material: SILICON;

.08 A

70

1

NPN

.1 W

BIP General Purpose Small Signal

YES

SILICON

RN1104ACT(TPL3) by Toshiba

RN1104ACT(TPL3)

Toshiba

NPN; Surface Mount: YES; Maximum Power Dissipation (Abs): .1 W; Maximum Collector Current (IC): .08 A; No. of Elements: 1; Transistor Element Material: SILICON;

.08 A

80

1

NPN

.1 W

BIP General Purpose Small Signal

YES

SILICON

RN1105ACT(TPL3) by Toshiba

RN1105ACT(TPL3)

Toshiba

NPN; Surface Mount: YES; Maximum Power Dissipation (Abs): .1 W; Maximum Collector Current (IC): .08 A; Transistor Element Material: SILICON; No. of Elements: 1;

.08 A

80

1

NPN

.1 W

BIP General Purpose Small Signal

YES

SILICON

RN1106ACT(TPL3) by Toshiba

RN1106ACT(TPL3)

Toshiba

NPN; Surface Mount: YES; Maximum Power Dissipation (Abs): .1 W; Maximum Collector Current (IC): .08 A; No. of Elements: 1; Minimum DC Current Gain (hFE): 80;

.08 A

80

1

NPN

.1 W

BIP General Purpose Small Signal

YES

SILICON

RN1112(TE85L,F) by Toshiba

RN1112(TE85L,F)

Toshiba

The Toshiba RN1112(TE85L,F) is a NPN small signal bipolar junction transistor (BJT) with surface mount capability. It has a max power dissipation of 0.1W and a min DC current gain of 120. This transistor is commonly used in various electronic applications requiring low power amplification or switching functions.

.1 A

120

1

NPN

.1 W

BIP General Purpose Small Signal

YES

SILICON

RN1309(TE85L,F) by Toshiba

RN1309(TE85L,F)

Toshiba

NPN; Surface Mount: YES; Maximum Power Dissipation (Abs): .1 W; Maximum Collector Current (IC): .1 A; No. of Elements: 1; Minimum DC Current Gain (hFE): 70;

.1 A

70

1

NPN

.1 W

BIP General Purpose Small Signal

YES

SILICON