| Part Number | Manufacturer | Composite Price | Description | Compare |
|---|---|---|---|---|
| BD140G | onsemi | $0.7399 | Power Bipolar Transistor, 1.5A I(C), 80V V(BR)CEO, 1-Element, PNP, Silicon, TO-225AA, Plastic/Epoxy, 3 Pin | BD140 vs BD140G |
| BD140 | Samsung Semiconductor | Check for Price | Power Bipolar Transistor, 1.5A I(C), 80V V(BR)CEO, 1-Element, PNP, Silicon, TO-126, Plastic/Epoxy, 3 Pin | BD140 vs BD140 |
| BD140 | Rochester Electronics LLC | Check for Price | 1.5A, 80V, PNP, Si, POWER TRANSISTOR, TO-225AA, PLASTIC, CASE 77-09, 3 PIN | BD140 vs BD140 |
| BD140 | onsemi | Check for Price | Power Bipolar Transistor, 1.5A I(C), 80V V(BR)CEO, 1-Element, PNP, Silicon, TO-225AA, Plastic/Epoxy, 3 Pin | BD140 vs BD140 |
| BD140 | NXP Semiconductors | Check for Price | Power Bipolar Transistor, 1.5A I(C), 80V V(BR)CEO, 1-Element, PNP, Silicon, TO-126, Plastic/Epoxy, 3 Pin | BD140 vs BD140 |
| BD140 | Continental Device India Ltd | Check for Price | Power Bipolar Transistor, 1.5A I(C), 80V V(BR)CEO, 1-Element, PNP, Silicon, TO-126, Plastic/Epoxy, 3 Pin | BD140 vs BD140 |
| BD140 | Crimson Semiconductor Inc | Check for Price | Power Bipolar Transistor, 1.5A I(C), 80V V(BR)CEO, 1-Element, PNP, Silicon, TO-126, Plastic/Epoxy, 3 Pin | BD140 vs BD140 |
| BD140-BP | Micro Commercial Components | Check for Price | Power Bipolar Transistor, 1.5A I(C), 80V V(BR)CEO, 1-Element, PNP, Silicon, TO-126, Plastic/Epoxy, 3 Pin | BD140 vs BD140-BP |
| BD140 | KEC | Check for Price | Power Bipolar Transistor, 1.5A I(C), 80V V(BR)CEO, 1-Element, PNP, Silicon, TO-126, Plastic/Epoxy, 3 Pin | BD140 vs BD140 |
| BD140 | Fairchild Semiconductor Corporation | Check for Price | Power Bipolar Transistor, 1.5A I(C), 80V V(BR)CEO, 1-Element, PNP, Silicon, TO-126, Plastic/Epoxy, 3 Pin | BD140 vs BD140 |
Part Details for BD140 by STMicroelectronics
Results Overview of BD140 by STMicroelectronics
- Distributor Offerings: (25 listings)
- Number of FFF Equivalents: (10 replacements)
- Tariff Estimator: (Available) NEW
- Number of Functional Equivalents: (10 options)
- CAD Models: (Available)
- Part Data Attributes: (Available)
- Reference Designs: (Not Available)
Tip: Data for a part may vary between manufacturers. You can filter for manufacturers on the top of the page next to the part image and part number.
BD140 Information
BD140 by STMicroelectronics is a Power Bipolar Transistor.
Power Bipolar Transistors are under the broader part category of Transistors.
A transistor is a small semiconductor device used to amplify, control, or create electrical signals. When selecting a transistor, factors such as voltage, current rating, gain, and power dissipation must be considered, with common types. Read more about Transistors on our Transistors part category page.
Price & Stock for BD140
| Part # | Distributor | Description | Stock | Price | Buy | |
|---|---|---|---|---|---|---|
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DISTI #
33X4080
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Newark | Transistor, Bjt, Pnp, -80V, -1.5A, Sot32, |Stmicroelectronics BD140 RoHS: Compliant Min Qty: 5 Package Multiple: 1 Date Code: 0 Container: Bulk | 1500 |
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$0.1470 / $1.2100 | Buy Now |
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DISTI #
E02:0323_00042860
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Arrow Electronics | Trans GP BJT PNP 80V 1.5A 1250mW 3-Pin(3+Tab) SOT-32 Tube RoHS: Exempt Min Qty: 1 Package Multiple: 1 Lead time: 20 Weeks Date Code: 2534 | Europe - 247787 |
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$0.0831 / $0.4871 | Buy Now |
|
DISTI #
V36:1790_06547965
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Arrow Electronics | Trans GP BJT PNP 80V 1.5A 1250mW 3-Pin(3+Tab) SOT-32 Tube COO: India RoHS: Exempt Min Qty: 2000 Package Multiple: 2000 Lead time: 20 Weeks Date Code: 2343 | Americas - 7675 |
|
$0.0935 | Buy Now |
|
DISTI #
511-BD140
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Mouser Electronics | Bipolar Transistors - BJT PNP Audio Amplfier RoHS: Compliant | 3191 |
|
$0.1500 / $1.2300 | Buy Now |
|
DISTI #
91637885
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Verical | Trans GP BJT PNP 80V 1.5A 1250mW 3-Pin(3+Tab) SOT-32 Tube RoHS: Exempt Min Qty: 62 Package Multiple: 1 Date Code: 2534 | Americas - 247787 |
|
$0.0827 / $0.2189 | Buy Now |
|
DISTI #
73484822
|
Verical | Trans GP BJT PNP 80V 1.5A 1250mW 3-Pin(3+Tab) SOT-32 Tube RoHS: Exempt Min Qty: 2000 Package Multiple: 2000 Date Code: 2343 | Americas - 6000 |
|
$0.0935 | Buy Now |
|
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STMicroelectronics | PNP SILICON TRANSISTORS COO: India Min Qty: 1 | 3203 |
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$0.3800 / $1.2300 | Buy Now |
|
|
Future Electronics | BD140 Series 80 V 1.5 A 1.25 W PNP Epitaxial Silicon Transistor - TO-126-3 RoHS: Compliant pbFree: Yes Min Qty: 6000 Package Multiple: 50 Lead time: 20 Weeks Container: Tube | 0Tube |
|
$0.1180 / $0.1290 | Buy Now |
|
|
Future Electronics | BD140 Series 80 V 1.5 A 1.25 W PNP Epitaxial Silicon Transistor - TO-126-3 RoHS: Compliant pbFree: Yes Min Qty: 12000 Package Multiple: 50 Lead time: 20 Weeks Container: Tube | 0Tube |
|
$0.1180 / $0.1290 | Buy Now |
|
DISTI #
BD140
|
Avnet Americas | Trans GP BJT PNP 80V 3A 3-Pin(3+Tab) SOT-32 Tube - Rail/Tube (Alt: BD140) COO: India RoHS: Compliant Min Qty: 6000 Package Multiple: 50 Lead time: 20 Weeks, 0 Days Container: Tube | 0 |
|
$0.1113 / $0.1183 | Buy Now |
US Tariff Estimator: BD140 by STMicroelectronics
Calculations from this tool are estimations only for imports into the United States. Please refer to the distributor or manufacturer and reference official US government sources and authorities to verify any final purchase costs.
BD140 CAD Models
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BD140 Part Data Attributes
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BD140
STMicroelectronics
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Datasheet
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BD140
STMicroelectronics
Power Bipolar Transistor, 1.5A I(C), 80V V(BR)CEO, 1-Element, PNP, Silicon, TO-126, Plastic/Epoxy, 3 Pin
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| Rohs Code | Yes | |
| Part Life Cycle Code | Active | |
| ECCN Code | EAR99 | |
| HTS Code | 8541.29.00.75 | |
| Factory Lead Time | 14 Weeks | |
| Case Connection | Isolated | |
| Collector Current-Max (IC) | 1.5 A | |
| Collector-Emitter Voltage-Max | 80 V | |
| Configuration | Single | |
| DC Current Gain-Min (hFE) | 25 | |
| JEDEC-95 Code | TO-126 | |
| JESD-30 Code | R-PSFM-T3 | |
| JESD-609 Code | e3 | |
| Number of Elements | 1 | |
| Number of Terminals | 3 | |
| Operating Temperature-Max | 150 °C | |
| Package Body Material | Plastic/Epoxy | |
| Package Shape | Rectangular | |
| Package Style | Flange Mount | |
| Polarity/Channel Type | Pnp | |
| Power Dissipation Ambient-Max | 12.5 W | |
| Power Dissipation-Max (Abs) | 8 W | |
| Qualification Status | Not Qualified | |
| Surface Mount | No | |
| Terminal Finish | Matte Tin (Sn) - Annealed | |
| Terminal Form | Through-Hole | |
| Terminal Position | Single | |
| Transistor Application | Amplifier | |
| Transistor Element Material | Silicon | |
| Transition Frequency-Nom (fT) | 75 Mhz | |
| VCEsat-Max | 0.5 V |
Alternate Parts for BD140
This table gives cross-reference parts and alternative options found for BD140. The Form Fit Function (FFF) tab will give you the options that are more likely to serve as direct pin-to-pin alternates or drop-in parts. The Functional Equivalents tab will give you options that are likely to match the same function of BD140, but it may not fit your design. Always verify details of parts you are evaluating, as these parts are offered as suggestions for what you are looking for and are not guaranteed.
BD140 Frequently Asked Questions (FAQ)
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The maximum SOA for the BD140 is not explicitly stated in the datasheet, but it can be estimated based on the transistor's thermal resistance and maximum junction temperature. As a general rule, it's recommended to keep the transistor within the SOA to prevent thermal runaway and ensure reliable operation.
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To ensure the BD140 is properly biased for linear operation, you should ensure that the base-emitter voltage (VBE) is around 0.7V, and the collector-emitter voltage (VCE) is at least 1V. Additionally, the base current should be limited to prevent saturation, and the collector current should be within the recommended range.
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The recommended heatsink for the BD140 depends on the specific application and power dissipation requirements. However, as a general rule, a heatsink with a thermal resistance of around 10-20°C/W is recommended. You can use a standard TO-220 heatsink or a custom-designed heatsink depending on your specific requirements.
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Yes, the BD140 can be used as a switch, but it's not recommended due to its relatively slow switching speed and limited current handling capability. If you need to use the BD140 as a switch, ensure that the switching frequency is low (e.g., <10kHz), and the current is within the recommended range. Additionally, consider using a faster switching transistor or a dedicated switch transistor for high-frequency applications.
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To protect the BD140 from overvoltage and overcurrent, you can use a combination of voltage regulators, zener diodes, and current-limiting resistors. Additionally, consider using a fuse or a polyfuse to protect against overcurrent conditions. It's also essential to ensure that the transistor is properly biased and operated within its recommended specifications.