Part Details for BC857A by Diotec Semiconductor AG
Results Overview of BC857A by Diotec Semiconductor AG
- Distributor Offerings: (11 listings)
- Number of FFF Equivalents: (0 replacements)
- CAD Models: (Request Part)
- Number of Functional Equivalents: (10 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.
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BC857A Information
BC857A by Diotec Semiconductor AG is a Small Signal Bipolar Transistor.
Small Signal 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 BC857A
| Part # | Distributor | Description | Stock | Price | Buy | |
|---|---|---|---|---|---|---|
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DISTI #
4878-BC857ACT-ND
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DigiKey | TRANS PNP 45V 0.1A SOT23-3 Min Qty: 1 Lead time: 8 Weeks Container: Digi-Reel®, Cut Tape (CT), Tape & Reel (TR) |
2364 In Stock |
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$0.0097 / $0.1000 | Buy Now |
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DISTI #
637-BC857A
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Mouser Electronics | Bipolar Transistors - BJT BJT, SOT-23, 45V, 100mA, PNP RoHS: Compliant | 9467 |
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$0.0110 / $0.1200 | Buy Now |
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DISTI #
E02:0323_06675434
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Arrow Electronics | Trans GP BJT PNP 45V 0.1A 250mW 3-Pin SOT-23 T/R RoHS: Compliant Min Qty: 24000 Package Multiple: 3000 Lead time: 8 Weeks Date Code: 2327 | Europe - 63000 |
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$0.0076 | Buy Now |
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DISTI #
E32:1076_06675434
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Arrow Electronics | Trans GP BJT PNP 45V 0.1A 250mW 3-Pin SOT-23 T/R RoHS: Compliant Min Qty: 1 Package Multiple: 1 Lead time: 8 Weeks Date Code: 2325 | Europe - 2375 |
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$0.0076 | Buy Now |
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Onlinecomponents.com | Bipolar Transistor - SOT-23 - 45V - 100mA - PNP RoHS: Compliant | 3000 Factory Stock |
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$0.0075 / $0.0115 | Buy Now |
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DISTI #
78436453
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Verical | Trans GP BJT PNP 45V 0.1A 250mW 3-Pin SOT-23 T/R RoHS: Compliant Min Qty: 24000 Package Multiple: 24000 Date Code: 2327 | Americas - 48000 |
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$0.0077 | Buy Now |
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DISTI #
87354244
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Verical | Trans GP BJT PNP 45V 0.1A 250mW 3-Pin SOT-23 T/R RoHS: Compliant Min Qty: 3907 Package Multiple: 1 | Americas - 47603 |
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$0.0179 | Buy Now |
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DISTI #
87703036
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Verical | Trans GP BJT PNP 45V 0.1A 250mW 3-Pin SOT-23 T/R RoHS: Compliant Min Qty: 741 Package Multiple: 1 Date Code: 2325 | Americas - 2375 |
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$0.0077 | Buy Now |
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DISTI #
BC857A-DIO
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TME | Transistor: PNP, bipolar, 45V, 0.1A, 250mW, SOT23 Min Qty: 25 | 20375 |
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$0.0097 / $0.0323 | Buy Now |
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DISTI #
TDSTD9195
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Rutronik | PNP TRANSISTOR 45V 0,1A SOT23 RoHS: Compliant Min Qty: 1 Package Multiple: 1 Container: Reel |
Stock DE - 30 Stock HK - 0 Stock US - 0 Stock SG - 0 |
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$0.0113 / $0.0134 | Buy Now |
Part Details for BC857A
BC857A CAD Models
BC857A Part Data Attributes
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BC857A
Diotec Semiconductor AG
Buy Now
Datasheet
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Compare Parts:
BC857A
Diotec Semiconductor AG
Small Signal Bipolar Transistor, 0.1A I(C), 45V V(BR)CEO, 1-Element, PNP, Silicon, TO-236, ROHS COMPLIANT, PLASTIC PACKAGE-3
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| Rohs Code | Yes | |
| Part Life Cycle Code | Active | |
| Ihs Manufacturer | DIOTEC SEMICONDUCTOR AG | |
| Part Package Code | SOT-23 | |
| Pin Count | 3 | |
| Reach Compliance Code | not_compliant | |
| ECCN Code | EAR99 | |
| Samacsys Manufacturer | Diotec | |
| Collector Current-Max (IC) | 0.1 A | |
| Collector-Emitter Voltage-Max | 45 V | |
| Configuration | SINGLE | |
| DC Current Gain-Min (hFE) | 125 | |
| JEDEC-95 Code | TO-236 | |
| JESD-30 Code | R-PDSO-G3 | |
| JESD-609 Code | e3 | |
| Moisture Sensitivity Level | 1 | |
| Number of Elements | 1 | |
| Number of Terminals | 3 | |
| Operating Temperature-Max | 150 °C | |
| Operating Temperature-Min | -55 °C | |
| Package Body Material | PLASTIC/EPOXY | |
| Package Shape | RECTANGULAR | |
| Package Style | SMALL OUTLINE | |
| Peak Reflow Temperature (Cel) | 260 | |
| Polarity/Channel Type | PNP | |
| Power Dissipation-Max (Abs) | 0.31 W | |
| Qualification Status | Not Qualified | |
| Surface Mount | YES | |
| Terminal Finish | MATTE TIN | |
| Terminal Form | GULL WING | |
| Terminal Position | DUAL | |
| Time@Peak Reflow Temperature-Max (s) | 10 | |
| Transistor Element Material | SILICON | |
| Transition Frequency-Nom (fT) | 100 MHz |
Alternate Parts for BC857A
This table gives cross-reference parts and alternative options found for BC857A. 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 BC857A, 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 |
|---|---|---|---|---|
| BC857AW,135 | NXP Semiconductors | Check for Price | BC856W; BC857W; BC858W - PNP general purpose transistors SC-70 3-Pin | BC857A vs BC857AW,135 |
| BC857AW-TAPE-13 | NXP Semiconductors | Check for Price | TRANSISTOR 100 mA, 45 V, PNP, Si, SMALL SIGNAL TRANSISTOR, BIP General Purpose Small Signal | BC857A vs BC857AW-TAPE-13 |
| BC857ATR13 | Central Semiconductor Corp | Check for Price | Small Signal Bipolar Transistor, 0.1A I(C), 45V V(BR)CEO, 1-Element, PNP, Silicon, | BC857A vs BC857ATR13 |
| BC857AR-TAPE-7 | NXP Semiconductors | Check for Price | TRANSISTOR 100 mA, 45 V, PNP, Si, SMALL SIGNAL TRANSISTOR, BIP General Purpose Small Signal | BC857A vs BC857AR-TAPE-7 |
| BC857A | WEITRON INTERNATIONAL CO., LTD. | Check for Price | Small Signal Bipolar Transistor, 0.1A I(C), 45V V(BR)CEO, 1-Element, PNP, Silicon, LEAD FREE PACKAGE-3 | BC857A vs BC857A |
| BC857AW,115 | NXP Semiconductors | Check for Price | BC856W; BC857W; BC858W - PNP general purpose transistors SC-70 3-Pin | BC857A vs BC857AW,115 |
| BC857ATRL | YAGEO Corporation | Check for Price | Small Signal Bipolar Transistor, 0.1A I(C), 45V V(BR)CEO, 1-Element, PNP, Silicon | BC857A vs BC857ATRL |
| BC857AW | Lite-On Semiconductor Corporation | Check for Price | Small Signal Bipolar Transistor, 0.1A I(C), 45V V(BR)CEO, 1-Element, PNP, Silicon, GREEN, PLASTIC PACKAGE-3 | BC857A vs BC857AW |
| BC857ATRL13 | YAGEO Corporation | Check for Price | Small Signal Bipolar Transistor, 0.1A I(C), 45V V(BR)CEO, 1-Element, PNP, Silicon | BC857A vs BC857ATRL13 |
| BC857AW-7-F | Diodes Incorporated | $0.0547 | Small Signal Bipolar Transistor, 0.1A I(C), 45V V(BR)CEO, 1-Element, PNP, Silicon, GREEN, PLASTIC PACKAGE-3 | BC857A vs BC857AW-7-F |
BC857A Frequently Asked Questions (FAQ)
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The BC857A can operate safely between -55°C to 150°C, but the recommended operating temperature range is -40°C to 125°C for optimal performance.
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To ensure linear operation, the BC857A should be biased with a base-emitter voltage (VBE) between 0.6V to 0.8V, and a collector-emitter voltage (VCE) greater than 1V. Additionally, the collector current should be limited to the recommended maximum value.
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The BC857A can handle a maximum collector current of 100mA, but it's recommended to limit the current to 50mA for optimal performance and to prevent overheating.
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Yes, the BC857A can be used in switching applications, but it's not recommended due to its relatively slow switching speed (tf ≈ 150ns). For high-speed switching applications, a faster transistor like the BC817 is recommended.
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To protect the BC857A from ESD, handle the device by the body, avoid touching the leads, and use an anti-static wrist strap or mat when handling the device. Additionally, ensure the PCB has adequate ESD protection measures, such as TVS diodes or ESD protection arrays.