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Transistors / Power Bipolar Transistors / BD140
Datasheets
BD140 by:

PNP SILICON TRANSISTORS

Part Details for BD140 by STMicroelectronics

Results Overview of BD140 by STMicroelectronics

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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
DISTI # 33X4080
Newark Bipolar (Bjt) Single Transistor, Pnp, -80 V, 1.25 W, -1.5 A, 250 Rohs Compliant: Yes |Stmicroelectronics BD140 RoHS: Compliant Min Qty: 5 Package Multiple: 1 Date Code: 1 Container: Bulk 1965
  • 1 $0.4600
  • 10 $0.3320
  • 100 $0.2710
  • 500 $0.1850
  • 1,000 $0.1630
  • 2,500 $0.1490
  • 10,000 $0.1340
$0.1340 / $0.4600 Buy Now
DISTI # BD140
Avnet Americas Trans GP BJT PNP 80V 3A 3-Pin(3+Tab) SOT-32 Tube - Rail/Tube (Alt: BD140) RoHS: Compliant Min Qty: 6000 Package Multiple: 2000 Lead time: 14 Weeks, 0 Days Container: Tube 0
  • 6,000 $0.1281
  • 10,000 $0.1273
  • 16,000 $0.1249
  • 30,000 $0.1227
  • 60,000 $0.1205
$0.1205 / $0.1281 Buy Now
STMicroelectronics PNP SILICON TRANSISTORS RoHS: Compliant Min Qty: 1 0
  • 1 $0.3300
  • 10 $0.2200
  • 100 $0.1900
  • 500 $0.1600
$0.1600 / $0.3300 Buy Now
DISTI # BD140
TME Transistor: PNP, bipolar, 80V, 1.5A, 12.5W, SOT32 Min Qty: 1 1983
  • 1 $0.3890
  • 10 $0.2610
  • 50 $0.2170
  • 100 $0.2010
  • 250 $0.1800
  • 500 $0.1640
  • 1,000 $0.1490
  • 2,000 $0.1350
  • 10,000 $0.1060
$0.1060 / $0.3890 Buy Now
Ameya Holding Limited BD140 Series PNP 80 V 1.5 A Complementary Low Voltage Transistor - SOT-32 300
RFQ
ComSIT USA Electronic Component RoHS: Not Compliant Stock DE - 1390
Stock ES - 5334
Stock US - 0
Stock MX - 0
Stock CN - 0
Stock HK - 0
RFQ
Chip 1 Exchange INSTOCK 80
RFQ
DISTI # BD140
Avnet Silica Trans GP BJT PNP 80V 3A 3-Pin(3+Tab) SOT-32 Tube (Alt: BD140) RoHS: Compliant Min Qty: 50 Package Multiple: 50 Lead time: 15 Weeks, 0 Days Silica - 26650
Buy Now
DISTI # BD140
EBV Elektronik Trans GP BJT PNP 80V 3A 3-Pin(3+Tab) SOT-32 Tube (Alt: BD140) RoHS: Compliant Min Qty: 50 Package Multiple: 50 Lead time: 15 Weeks, 0 Days EBV - 27600
Buy Now
LCSC 80V 1.25W 63150mA2V 1.5A PNP TO-126 Bipolar (BJT) ROHS 395
  • 5 $0.2068
  • 50 $0.1696
  • 150 $0.1491
  • 500 $0.1367
  • 2,400 $0.1259
  • 4,800 $0.1202
$0.1202 / $0.2068 Buy Now
Win Source Electronics TRANS PNP 80V 1.5A SOT32-3 52000
  • 415 $0.1205
  • 890 $0.1128
  • 1,380 $0.1089
  • 1,980 $0.1011
  • 2,575 $0.0972
  • 3,220 $0.0933
$0.0933 / $0.1205 Buy Now

Part Details for BD140

BD140 CAD Models

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BD140 Part Data Attributes

Parametric Data
BD140 STMicroelectronics
Buy Now Datasheet
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BD140 STMicroelectronics PNP SILICON TRANSISTORS
Rohs Code Yes
Part Life Cycle Code Active
Ihs Manufacturer STMICROELECTRONICS
Reach Compliance Code not_compliant
ECCN Code EAR99
HTS Code 8541.29.00.75
Factory Lead Time 14 Weeks
Samacsys Manufacturer STMicroelectronics
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
Peak Reflow Temperature (Cel) NOT SPECIFIED
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
Time@Peak Reflow Temperature-Max (s) NOT SPECIFIED
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.

Part Number Manufacturer Composite Price Description Compare
BD140G onsemi $0.4592 1.5 A, 80 V PNP Bipolar Power Transistor, TO-225, 500-BLKBX BD140 vs BD140G

BD140 Related Parts

BD140 Frequently Asked Questions (FAQ)

  • 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.

  • 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.

  • 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.

  • 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.

  • 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.

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