Part Details for BD681 by Samsung Semiconductor
Results Overview of BD681 by Samsung Semiconductor
- Distributor Offerings: (0 listings)
- Number of FFF Equivalents: (3 replacements)
- CAD Models: (Request Part)
- Number of Functional Equivalents: (7 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.
BD681 Information
BD681 by Samsung Semiconductor 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 BD681
BD681 CAD Models
BD681 Part Data Attributes
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BD681
Samsung Semiconductor
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Datasheet
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BD681
Samsung Semiconductor
Power Bipolar Transistor, 4A I(C), 100V V(BR)CEO, 1-Element, NPN, Silicon, TO-126, Plastic/Epoxy, 3 Pin
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| Rohs Code | No | |
| Part Life Cycle Code | Obsolete | |
| Ihs Manufacturer | SAMSUNG SEMICONDUCTOR INC | |
| Reach Compliance Code | unknown | |
| ECCN Code | EAR99 | |
| Case Connection | ISOLATED | |
| Collector Current-Max (IC) | 4 A | |
| Collector-Emitter Voltage-Max | 100 V | |
| Configuration | DARLINGTON | |
| DC Current Gain-Min (hFE) | 750 | |
| JEDEC-95 Code | TO-126 | |
| JESD-30 Code | R-PSFM-T3 | |
| JESD-609 Code | e0 | |
| 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-Max (Abs) | 40 W | |
| Qualification Status | Not Qualified | |
| Surface Mount | NO | |
| Terminal Finish | TIN LEAD | |
| Terminal Form | THROUGH-HOLE | |
| Terminal Position | SINGLE | |
| Transistor Application | SWITCHING | |
| Transistor Element Material | SILICON | |
| Transition Frequency-Nom (fT) | 10 MHz |
Alternate Parts for BD681
This table gives cross-reference parts and alternative options found for BD681. 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 BD681, 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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| BD681S | Rochester Electronics LLC | Check for Price | 4A, 100V, NPN, Si, POWER TRANSISTOR, TO-126 | BD681 vs BD681S |
| BD681 | Central Semiconductor Corp | Check for Price | Power Bipolar Transistor, 4A I(C), 100V V(BR)CEO, 1-Element, NPN, Silicon, TO-126, Plastic/Epoxy, 3 Pin, PLASTIC PACKAGE-3 | BD681 vs BD681 |
| BD681G | Rochester Electronics LLC | Check for Price | 4A, 100V, NPN, Si, POWER TRANSISTOR, TO-225AA, ROHS COMPLIANT, PLASTIC, CASE 77-09, 3 PIN | BD681 vs BD681G |