Orderable parts
| Type number | Orderable part number | Ordering code (12NC) | Package | Buy from distributors |
|---|---|---|---|---|
| BC817-40W | BC817-40W,115 | 934021940115 | SOT323 | Order product |
| BC817-40W | BC817-40W,135 | 934021940135 | SOT323 | Order product |
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Click here for more informationBC817-40W
45 V, 500 mA NPN general-purpose transistors
NPN general-purpose transistor in a very small SOT323 (SC70) Surface-Mounted Device (SMD) plastic package.
Type number | Package | PNP complement | ||
|---|---|---|---|---|
Nexperia | JEDEC | JEITA | ||
BC817W | SOT323 | - | SC-70 | BC807W |
BC817-16W | BC807-16W | |||
BC817-25W | BC807-25W | |||
BC817-40W | BC807-40W | |||
Features and benefits
High current
Three current gain selections
Applications
General-purpose switching and amplification
Parametrics
| Type number | Package version | Package name | Size (mm) | channel type (e) | Ptot (mW) | VCEO [max] (V) | IC [max] (mA) | hFE [min] | hFE [max] | TJ [max] (°C) | fT [min] (MHz) | Automotive qualified |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| BC817-40W | SOT323 | SC-70 | 2 x 1.25 x 0.95 | NPN | 200 | 45 | 500 | 250 | 600 | 150 | 100 | N |
Package
| Type number | Orderable part number, (Ordering code (12NC)) | Status | Marking | Package | Package information | Reflow-/Wave soldering | Packing |
|---|---|---|---|---|---|---|---|
| BC817-40W | BC817-40W,115 (934021940115) |
Active | 6C% |
SC-70 (SOT323) |
SOT323 |
REFLOW_BG-BD-1
WAVE_BG-BD-1 |
SOT323_115 |
| BC817-40W,135 (934021940135) |
Active | 6C% | SOT323_135 |
Environmental information
| Type number | Orderable part number | Chemical content | RoHS | RHF-indicator |
|---|---|---|---|---|
| BC817-40W | BC817-40W,115 | BC817-40W |
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| BC817-40W | BC817-40W,135 | BC817-40W |
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Series
Documentation (13)
| File name | Title | Type | Date |
|---|---|---|---|
| BC817W_SER | 45 V, 500 mA NPN general-purpose transistors | Data sheet | 2022-06-30 |
| AN90063 | Questions about package outline drawings | Application note | 2025-03-12 |
| SOT323 | 3D model for products with SOT323 package | Design support | 2019-01-22 |
| Nexperia_package_poster | Nexperia package poster | Leaflet | 2020-05-15 |
| SC-70_SOT323_mk | plastic, surface-mounted package; 3 leads; 1.3 mm pitch; 2 mm x 1.25 mm x 0.95 mm body | Marcom graphics | 2017-01-28 |
| LSYMTRA | Letter Symbols - Transistors; General | Other type | 1999-05-06 |
| SOT323 | plastic, surface-mounted package; 3 leads; 1.3 mm pitch; 2 mm x 1.25 mm x 0.95 mm body | Package information | 2022-05-27 |
| SOT323_115 | Reel pack for SMD, 7"; Q3/T4 product orientation | Packing information | 2024-06-17 |
| SOT323_135 | Tape reel SMD; standard product orientation 12NC ending 135 | Packing information | 2020-04-27 |
| BC817-40W_Nexperia_Product_Reliability | BC817-40W Nexperia Product Reliability | Quality document | 2025-05-14 |
| REFLOW_BG-BD-1 | Reflow soldering profile | Reflow soldering | 2021-04-06 |
| BC817-40W | BC817-40W SPICE model | SPICE model | 2024-08-27 |
| WAVE_BG-BD-1 | Wave soldering profile | Wave soldering | 2021-09-08 |
Support
If you are in need of design/technical support, let us know and fill in the answer form we'll get back to you shortly.
Longevity
The Nexperia Longevity Program is aimed to provide our customers information from time to time about the expected time that our products can be ordered. The NLP is reviewed and updated regularly by our Executive Management Team. View our longevity program here.
Ordering, pricing & availability
| Type number | Orderable part number | Ordering code (12NC) | Status | Packing | Packing Quantity | Buy online |
|---|---|---|---|---|---|---|
| BC817-40W | BC817-40W,115 | 934021940115 | Active | SOT323_115 | 3,000 |
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| BC817-40W | BC817-40W,135 | 934021940135 | Active | SOT323_135 | 10,000 |
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Sample
As a Nexperia customer you can order samples via our sales organization.
If you do not have a direct account with Nexperia our network of global and regional distributors is available and equipped to support you with Nexperia samples. Check out the list of official distributors.
How does it work?
The interactive datasheets are based on the Nexperia MOSFET precision electrothermal models. With our interactive datasheets you can simply specify your own conditions interactively. Start by changing the values of the conditions. You can do this by using the sliders in the condition fields. By dragging the sliders you will see how the MOSFET will perform at the new conditions set.