Part Details for BD139 by Continental Device India Ltd
Results Overview of BD139 by Continental Device India Ltd
- Distributor Offerings: (0 listings)
- Number of FFF Equivalents: (4 replacements)
- CAD Models: (Request Part)
- Number of Functional Equivalents: (5 options)
- 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.
BD139 Information
BD139 by Continental Device India Ltd 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.
Part Details for BD139
BD139 CAD Models
BD139 Part Data Attributes
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BD139
Continental Device India Ltd
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Datasheet
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BD139
Continental Device India Ltd
Power Bipolar Transistor, 1.5A I(C), 80V V(BR)CEO, 1-Element, NPN, Silicon, TO-126, Plastic/Epoxy, 3 Pin,
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| Pbfree Code | No | |
| Rohs Code | Yes | |
| Part Life Cycle Code | Active | |
| Ihs Manufacturer | CONTINENTAL DEVICE INDIA LTD | |
| Reach Compliance Code | compliant | |
| ECCN Code | EAR99 | |
| Case Connection | ISOLATED | |
| Collector Current-Max (IC) | 1.5 A | |
| Collector-Emitter Voltage-Max | 80 V | |
| Configuration | SINGLE | |
| DC Current Gain-Min (hFE) | 40 | |
| JEDEC-95 Code | TO-126 | |
| JESD-30 Code | R-PSFM-T3 | |
| 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 | NPN | |
| Power Dissipation-Max (Abs) | 8 W | |
| Qualification Status | Not Qualified | |
| Surface Mount | NO | |
| Terminal Form | THROUGH-HOLE | |
| Terminal Position | SINGLE | |
| Time@Peak Reflow Temperature-Max (s) | NOT SPECIFIED | |
| Transistor Application | SWITCHING | |
| Transistor Element Material | SILICON | |
| Transition Frequency-Nom (fT) | 250 MHz |
Alternate Parts for BD139
This table gives cross-reference parts and alternative options found for BD139. 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 BD139, 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 |
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| BD139G | Rochester Electronics LLC | Check for Price | 1.5A, 80V, NPN, Si, POWER TRANSISTOR, TO-225AA, HALOGEN FREE AND ROHS COMPLIANT, PLASTIC, CASE 77-09, 3 PIN | BD139 vs BD139G |
| BD139 | Samsung Semiconductor | Check for Price | Power Bipolar Transistor, 1.5A I(C), 80V V(BR)CEO, 1-Element, NPN, Silicon, TO-126, Plastic/Epoxy, 3 Pin | BD139 vs BD139 |
| BD139 | Rochester Electronics LLC | Check for Price | 1.5A, 80V, NPN, Si, POWER TRANSISTOR, TO-225AA, PLASTIC, CASE 77-09, 3 PIN | BD139 vs BD139 |
| BD139 | Motorola Mobility LLC | Check for Price | 1.5A, 80V, NPN, Si, POWER TRANSISTOR, TO-225AA, PLASTIC, CASE 77-08, 3 PIN | BD139 vs BD139 |
BD139 Frequently Asked Questions (FAQ)
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The maximum operating temperature range for BD139 is -55°C to 150°C, but it's recommended to operate within -40°C to 125°C for optimal performance.
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While BD139 can be used in switching applications, it's not recommended for high-frequency switching (>100 kHz) due to its relatively high switching time and limited SOA (Safe Operating Area).
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To ensure reliability, follow proper derating guidelines, use a suitable heat sink, and ensure the device is operated within its recommended operating conditions. Additionally, consider using a BD139 with a higher voltage rating (e.g., BD139-16) for added margin.
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While BD139 can be used as a linear amplifier, it's not the most suitable choice due to its relatively high Vce(sat) and limited linearity. Consider using a more specialized linear amplifier transistor or a dedicated IC for linear amplification.
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Store BD139 in a dry, cool place (<30°C, <60% RH) away from direct sunlight and moisture. Avoid storing the device in close proximity to sources of radiation or high-voltage equipment.