BD679Alternatives & Equivalent Parts
About BD679
BD679 is a Transistor component manufactured by STMicroelectronics. It comes in a Transistor Outline, Vertical package. Below you'll find known alternative and equivalent parts that can serve as replacements in your design.
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Specification Comparison
| Parameter | BD679Source | BD679A | SLC7530D-640MLC | EXB-38V101JV |
|---|---|---|---|---|
| Manufacturer | STMicroelectronics | STMicroelectronics | COILCRAFT | Panasonic |
| Package Type | Transistor Outline, Vertical | Transistor Outline, Vertical | Other | Other |
| Pin Count | 3 | 3 | 2 | 8 |
| Temperature Range | ~ 150.0°C | ~ 150.0°C | -40.0°C ~ 85.0°C | — |
| Price | $0.1310 | $0.1920 | $0.8350 | $0.0126 |
| Stock | In Stock | In Stock | In Stock | In Stock |
| Lifecycle | ACTIVE | ACTIVE | ACTIVE | — |
| Electrical Parameters | ||||
| Factory Lead Time | 14 Weeks | 14 Weeks | — | — |
| YTEOL | 9 | 9 | 9.4 | — |
| Case Connection | ISOLATED | ISOLATED | — | — |
| Collector Current-Max (IC) | 4 A | 4 A | — | — |
| Collector-Emitter Voltage-Max | 80 V | 80 V | — | — |
| Configuration | DARLINGTON WITH BUILT-IN DIODE AND RESISTOR | DARLINGTON WITH BUILT-IN DIODE AND RESISTOR | — | — |
| DC Current Gain-Min (hFE) | 750 | 750 | — | — |
| JEDEC-95 Code | TO-126 | TO-126 | — | — |
| JESD-30 Code | R-PSFM-T3 | R-PSFM-T3 | — | — |
| JESD-609 Code | e3 | e3 | e3 | — |
| Number of Elements | 1 | 1 | — | — |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY | — | — |
| Package Shape | RECTANGULAR | RECTANGULAR | — | — |
| Package Style | FLANGE MOUNT | FLANGE MOUNT | SMT | — |
| Peak Reflow Temperature (Cel) | NOT SPECIFIED | NOT SPECIFIED | — | — |
| Polarity/Channel Type | NPN | NPN | — | — |
| Power Dissipation Ambient-Max | 40 W | 40 W | — | — |
| Power Dissipation-Max (Abs) | 40 W | 40 W | — | — |
| Qualification Status | Not Qualified | Not Qualified | — | — |
| Surface Mount | NO | NO | YES | — |
| Terminal Finish | Matte Tin (Sn) | Matte Tin (Sn) | Matte Tin (Sn) - with Nickel (Ni) barrier | — |
| Terminal Form | THROUGH-HOLE | THROUGH-HOLE | — | — |
| Terminal Position | SINGLE | SINGLE | — | — |
| Time@Peak Reflow Temperature-Max (s) | NOT SPECIFIED | NOT SPECIFIED | — | — |
| Transistor Application | SWITCHING | SWITCHING | — | — |
| Transistor Element Material | SILICON | SILICON | — | — |
| Transition Frequency-Nom (fT) | 10 MHz | 10 MHz | — | — |
| VCEsat-Max | 2.5 V | 2.8 V | — | — |
| ## BD679 Alternates Showing results | Image | — | — | — |
| Pbfree Code | — | — | Yes | — |
| Case/Size Code | — | — | 3026 | — |
| Construction | — | — | Rectangular | — |
| Core Material | — | — | FERRITE | — |
| DC Resistance | — | — | 0.000209 Ω | — |
| Inductance-Nom (L) | — | — | 0.064 µH | — |
| Inductor Application | — | — | POWER INDUCTOR | — |
| Inductor Type | — | — | GENERAL PURPOSE INDUCTOR | — |
| Number of Functions | — | — | 2 | — |
| Package Height | — | — | 3 mm | — |
| Package Length | — | — | 7.5 mm | — |
| Package Width | — | — | 6.7 mm | — |
| Packing Method | — | — | TR, Embossed Plastic, 7 Inch | — |
| Rated Current-Max | — | — | 28 A | — |
| Reference Standard | — | — | AEC-Q200 | — |
| Self Resonance Frequency | — | — | 3650 MHz | — |
| Shape/Size Description | — | — | RECTANGULAR PACKAGE | — |
| Shielded | — | — | YES | — |
| Special Feature | — | — | DCR IS MEASURED AT 5% TOLERANCE, PARALLEL CONNECTED | — |
| Terminal Placement | — | — | DUAL IN-LINE | — |
| Terminal Shape | — | — | WRAPAROUND | — |
| Test Frequency | — | — | 0.1 MHz | — |
| Tolerance | — | — | 20% | — |
Cells highlighted in yellow indicate differing values across parts. Always verify with official datasheets before substitution.
Need pricing on these alternatives?
Get one quote covering all 3 alternatives for BD679 — response within 24 hours.
Quick Links
Power Bipolar Transistor, 4A I(C), 80V V(BR)CEO, 1-Element, NPN, Silicon, TO-126, Plastic/Epoxy, 3 Pin
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Why Look for Alternatives?
Finding alternatives for BD679 is essential for supply chain resilience. Component shortages, long lead times, and end-of-life notices can disrupt production schedules. Having verified alternative parts ensures your designs remain manufacturable.
When evaluating BD679 replacements, consider key parameters such as package compatibility, electrical specifications, and operating temperature range. Our engineering team can help verify pin-to-pin compatibility for your specific application.
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FAQ
What is equivalent to BD679?
Known equivalents for BD679 include BD679A, SLC7530D-640MLC, EXB-38V101JV. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of BD679?
In many cases, yes. Cross-manufacturer alternatives exist for most standard components. However, always verify pin compatibility, electrical specs, and package dimensions before substituting in production.
How do I verify BD679 alternatives?
Compare the datasheet specifications including pinout, voltage ratings, timing parameters, and package dimensions. FindMyChip's engineering team can help with compatibility verification — submit an RFQ to get started.