| Part Number | Manufacturer | Composite Price | Description | Compare |
|---|---|---|---|---|
| BD680A | Continental Device India Ltd | Check for Price | Power Bipolar Transistor, 4A I(C), 80V V(BR)CEO, 1-Element, PNP, Silicon, TO-126, Plastic/Epoxy, 3 Pin | BD680 vs BD680A |
| BD680A | Central Semiconductor Corp | Check for Price | Power Bipolar Transistor, 4A I(C), 80V V(BR)CEO, 1-Element, PNP, Silicon, TO-126, Plastic/Epoxy, 3 Pin | BD680 vs BD680A |
| BD680A | Samsung Semiconductor | Check for Price | Power Bipolar Transistor, 4A I(C), 80V V(BR)CEO, 1-Element, PNP, Silicon, Plastic/Epoxy, 3 Pin | BD680 vs BD680A |
| BD680ALEADFREE | Central Semiconductor Corp | Check for Price | Power Bipolar Transistor, 4A I(C), 80V V(BR)CEO, 1-Element, PNP, Silicon, TO-126, Plastic/Epoxy, 3 Pin | BD680 vs BD680ALEADFREE |
| BD680A | onsemi | Check for Price | Power Bipolar Transistor, 4A I(C), 80V V(BR)CEO, 1-Element, PNP, Silicon, TO-225AA, Plastic/Epoxy, 3 Pin | BD680 vs BD680A |
| BD680A | Fairchild Semiconductor Corporation | Check for Price | Power Bipolar Transistor, 4A I(C), 80V V(BR)CEO, 1-Element, PNP, Silicon, TO-126, Plastic/Epoxy, 3 Pin | BD680 vs BD680A |
| BD680 | Crimson Semiconductor Inc | Check for Price | Power Bipolar Transistor, 4A I(C), 80V V(BR)CEO, 1-Element, PNP, Silicon, TO-126, Plastic/Epoxy, 3 Pin | BD680 vs BD680 |
| BD680AS | Fairchild Semiconductor Corporation | Check for Price | Power Bipolar Transistor, 4A I(C), 80V V(BR)CEO, 1-Element, PNP, Silicon, TO-126, Plastic/Epoxy, 3 Pin | BD680 vs BD680AS |
| BD680G | Rochester Electronics LLC | Check for Price | 4A, 80V, PNP, Si, POWER TRANSISTOR, TO-225AA, LEAD FREE, PLASTIC, CASE 77-09, 3 PIN | BD680 vs BD680G |
| BD680AG | Rochester Electronics LLC | Check for Price | 4A, 80V, PNP, Si, POWER TRANSISTOR, TO-225AA, LEAD FREE, PLASTIC, CASE 77-09, 3 PIN | BD680 vs BD680AG |
Part Details for BD680 by STMicroelectronics
Results Overview of BD680 by STMicroelectronics
- Distributor Offerings: (23 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.
BD680 Information
BD680 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 BD680
| Part # | Distributor | Description | Stock | Price | Buy | |
|---|---|---|---|---|---|---|
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DISTI #
24M0738
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Newark | Darlington Transistor, Sot-32, |Stmicroelectronics BD680 RoHS: Compliant Min Qty: 5 Package Multiple: 1 Date Code: 0 Container: Bulk | 790 |
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$0.4315 / $0.8644 | Buy Now |
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DISTI #
94552488
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Verical | Trans Darlington PNP 80V 4A 40000mW 3-Pin SOT-32 Tube RoHS: Exempt Min Qty: 37 Package Multiple: 1 Date Code: 2636 | Americas - 44289 |
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$0.2766 | Buy Now |
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DISTI #
87003869
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Verical | Trans Darlington PNP 80V 4A 40000mW 3-Pin SOT-32 Tube RoHS: Exempt Min Qty: 2000 Package Multiple: 2000 Date Code: 2411 | Americas - 6000 |
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$0.1747 | Buy Now |
|
DISTI #
E02:0323_00206507
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Arrow Electronics | Trans Darlington PNP 80V 4A 40000mW 3-Pin SOT-32 Tube RoHS: Exempt Min Qty: 1 Package Multiple: 1 Lead time: 20 Weeks Date Code: 2636 | Europe - 44323 |
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$0.1600 / $0.2769 | Buy Now |
|
DISTI #
V36:1790_06548026
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Arrow Electronics | Trans Darlington PNP 80V 4A 40000mW 3-Pin SOT-32 Tube COO: India RoHS: Exempt Min Qty: 2000 Package Multiple: 2000 Lead time: 20 Weeks Date Code: 2411 | Americas - 6000 |
|
$0.1731 / $0.1747 | Buy Now |
|
DISTI #
V99:2348_06548026
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Arrow Electronics | Trans Darlington PNP 80V 4A 40000mW 3-Pin SOT-32 Tube COO: India RoHS: Exempt Min Qty: 1 Package Multiple: 1 Lead time: 20 Weeks Date Code: 1850 | Americas - 4 |
|
$0.1771 | Buy Now |
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STMicroelectronics | PNP power Darlington transistor COO: India Min Qty: 1 | 8279 |
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$0.4300 / $1.2100 | Buy Now |
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Future Electronics | BD6xxx Series PNP 80 V 4 A Complementary Power Darlington Transistor - SOT-32 RoHS: Compliant pbFree: Yes Min Qty: 8000 Package Multiple: 50 Lead time: 20 Weeks Container: Tube | 0Tube |
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$0.1770 / $0.1920 | Buy Now |
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Future Electronics | BD6xxx Series PNP 80 V 4 A Complementary Power Darlington Transistor - SOT-32 RoHS: Compliant pbFree: Yes Min Qty: 4000 Package Multiple: 50 Lead time: 20 Weeks Container: Tube | 0Tube |
|
$0.1770 / $0.1920 | Buy Now |
|
|
Quest Components | 1572 |
|
$0.6125 / $1.7500 | Buy Now |
US Tariff Estimator: BD680 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.
BD680 CAD Models
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BD680 Part Data Attributes
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BD680
STMicroelectronics
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Datasheet
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BD680
STMicroelectronics
Power Bipolar Transistor, 4A 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 | |
| Part Package Code | SIP | |
| Package Description | Sot-32, 3 Pin | |
| Pin Count | 3 | |
| ECCN Code | EAR99 | |
| HTS Code | 8541.29.00.95 | |
| Case Connection | Isolated | |
| Collector Current-Max (IC) | 4 A | |
| Collector-Emitter Voltage-Max | 80 V | |
| Configuration | Darlington With Built-In Diode And Resistor | |
| DC Current Gain-Min (hFE) | 750 | |
| 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 | |
| Packing Method | Tube | |
| Polarity/Channel Type | Pnp | |
| Power Dissipation Ambient-Max | 40 W | |
| Power Dissipation-Max (Abs) | 40 W | |
| Qualification Status | Not Qualified | |
| Surface Mount | No | |
| Terminal Finish | Matte Tin (Sn) | |
| Terminal Form | Through-Hole | |
| Terminal Position | Single | |
| Transistor Application | Switching | |
| Transistor Element Material | Silicon | |
| Transition Frequency-Nom (fT) | 10 Mhz | |
| VCEsat-Max | 2.5 V |
Alternate Parts for BD680
This table gives cross-reference parts and alternative options found for BD680. 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 BD680, 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.
BD680 Frequently Asked Questions (FAQ)
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A good PCB layout for the BD680 involves keeping the power traces short and wide, using a solid ground plane, and placing the input and output capacitors close to the IC. Additionally, it's recommended to use a shielded inductor and to keep the switching node (SW) away from sensitive analog circuits.
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To optimize the compensation network, start by selecting the correct compensation components based on the output voltage and current requirements. Then, use the datasheet's recommended values as a starting point and adjust them based on the specific application's requirements. It's also recommended to use a network analyzer to measure the loop gain and adjust the compensation components accordingly.
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The BD680 can handle input voltages up to 18V, but it's recommended to keep the input voltage below 15V to ensure reliable operation and to prevent overheating.
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To ensure the BD680 operates within the recommended operating temperature range (-40°C to 150°C), make sure to provide adequate heat sinking, use a thermally conductive PCB material, and avoid blocking airflow around the IC. Additionally, consider using a thermal interface material to improve heat transfer between the IC and the heat sink.
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When selecting the output inductor for the BD680, consider the inductor's saturation current, DC resistance, and core material. Choose an inductor with a high saturation current rating to handle the peak current, and select a core material that minimizes core losses. Additionally, consider the inductor's physical size and shape to ensure it fits the PCB layout.