| Part Number | Manufacturer | Composite Price | Description | Compare |
|---|---|---|---|---|
| BD135 | Rochester Electronics LLC | Check for Price | 1.5A, 45V, NPN, Si, POWER TRANSISTOR, TO-225AA, PLASTIC, CASE 77-09, 3 PIN | BD135 vs BD135 |
| BD135G | Rochester Electronics LLC | Check for Price | 1.5A, 45V, NPN, Si, POWER TRANSISTOR, TO-225AA, HALOGEN FREE AND ROHS COMPLIANT, PLASTIC, CASE 77-09, 3 PIN | BD135 vs BD135G |
Part Details for BD135 by STMicroelectronics
Results Overview of BD135 by STMicroelectronics
- Distributor Offerings: (24 listings)
- Number of FFF Equivalents: (2 replacements)
- Tariff Estimator: (Available) NEW
- Number of Functional Equivalents: (1 option)
- 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.
BD135 Information
BD135 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 BD135
| Part # | Distributor | Description | Stock | Price | Buy | |
|---|---|---|---|---|---|---|
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DISTI #
05M3391
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Newark | Trans Bjt Single, Npn, 45V, 1.5A, |Stmicroelectronics BD135 RoHS: Compliant Min Qty: 1 Package Multiple: 1 Date Code: 0 Container: Bulk | 11335 |
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$0.0919 / $0.5309 | Buy Now |
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Future Electronics | BD135 Series NPN 45 V 1.5 A Complementary Low Voltage Transistor - SOT-32 RoHS: Compliant pbFree: Yes Min Qty: 3 Package Multiple: 1 Lead time: 20 Weeks Container: Tube | 3Tube |
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$0.1190 / $0.1300 | Buy Now |
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Future Electronics | BD135 Series NPN 45 V 1.5 A Complementary Low Voltage Transistor - SOT-32 RoHS: Compliant pbFree: Yes Min Qty: 12000 Package Multiple: 50 Lead time: 20 Weeks Container: Tube | 0Tube |
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$0.1190 / $0.1290 | Buy Now |
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Future Electronics | BD135 Series NPN 45 V 1.5 A Complementary Low Voltage Transistor - SOT-32 RoHS: Compliant pbFree: Yes Min Qty: 6000 Package Multiple: 50 Lead time: 20 Weeks Container: Tube | 0Tube |
|
$0.1190 / $0.1300 | Buy Now |
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Future Electronics | BD135 Series NPN 45 V 1.5 A Complementary Low Voltage Transistor - SOT-32 RoHS: Compliant pbFree: Yes Min Qty: 6000 Package Multiple: 50 Lead time: 20 Weeks Container: Tube | 0Tube |
|
$0.1190 / $0.1210 | Buy Now |
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DISTI #
91545938
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Verical | Trans GP BJT NPN 45V 1.5A 1250mW 3-Pin(3+Tab) SOT-32 Tube RoHS: Exempt Min Qty: 62 Package Multiple: 1 Date Code: 2530 | Americas - 44888 |
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$0.0851 / $0.1951 | Buy Now |
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DISTI #
93576036
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Verical | Trans GP BJT NPN 45V 1.5A 1250mW 3-Pin(3+Tab) SOT-32 Tube RoHS: Exempt Min Qty: 2000 Package Multiple: 2000 Date Code: 2532 | Americas - 8000 |
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$0.1251 / $0.1660 | Buy Now |
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DISTI #
511-BD135
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Mouser Electronics | Bipolar Transistors - BJT NPN Audio Amplifier RoHS: Compliant | 7926 |
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$0.1400 / $0.8900 | Buy Now |
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DISTI #
E02:0323_00206798
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Arrow Electronics | Trans GP BJT NPN 45V 1.5A 1250mW 3-Pin(3+Tab) SOT-32 Tube RoHS: Exempt Min Qty: 1 Package Multiple: 1 Lead time: 20 Weeks Date Code: 2530 | Europe - 44929 |
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$0.0843 / $0.4112 | Buy Now |
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DISTI #
V36:1790_06547942
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Arrow Electronics | Trans GP BJT NPN 45V 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: 2532 | Americas - 8000 |
|
$0.1251 / $0.1660 | Buy Now |
US Tariff Estimator: BD135 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.
BD135 CAD Models
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BD135 Part Data Attributes
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BD135
STMicroelectronics
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Datasheet
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Compare Parts:
BD135
STMicroelectronics
Power Bipolar Transistor, 1.5A I(C), 45V V(BR)CEO, 1-Element, NPN, Silicon, TO-126, Plastic/Epoxy, 3 Pin
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| Rohs Code | Yes | |
| Part Life Cycle Code | Active | |
| Part Package Code | SIP | |
| Package Description | Plastic Package-3 | |
| Pin Count | 3 | |
| 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 | 45 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 | Npn | |
| 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) | |
| Terminal Form | Through-Hole | |
| Terminal Position | Single | |
| Transistor Application | Amplifier | |
| Transistor Element Material | Silicon | |
| Transition Frequency-Nom (fT) | 250 Mhz | |
| VCEsat-Max | 0.5 V |
Alternate Parts for BD135
This table gives cross-reference parts and alternative options found for BD135. 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 BD135, 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.
BD135 Frequently Asked Questions (FAQ)
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The maximum safe operating area (SOA) for the BD135 is not explicitly stated in the datasheet, but it can be estimated based on the device's thermal resistance and maximum junction temperature. As a general rule, it's recommended to keep the device within the specified absolute maximum ratings to ensure reliable operation.
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To ensure the BD135 is properly biased for linear operation, you should ensure that the base-emitter voltage (VBE) is within the recommended range (typically around 0.6-0.7V) and that the collector-emitter voltage (VCE) is sufficient to maintain a linear operating region. You can use a voltage divider or a current source to set the base voltage and current, respectively.
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For optimal thermal management, it's recommended to use a heat sink or a thermal pad on the BD135, especially in high-power applications. A good PCB layout should also ensure minimal thermal resistance between the device and the heat sink. Additionally, keep the device away from other heat sources and ensure good airflow around the device.
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Yes, the BD135 can be used as a switch, but it's essential to consider the device's switching characteristics, such as the turn-on and turn-off times, and the base-emitter voltage required for saturation. You should also ensure that the device is properly biased and that the collector-emitter voltage is sufficient to maintain a low saturation voltage.
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To protect the BD135 from electrostatic discharge (ESD), it's recommended to use ESD protection devices, such as TVS diodes or ESD protection arrays, in parallel with the device. You should also follow proper handling and storage procedures to minimize the risk of ESD damage.