BD135Alternatives & Equivalent Parts
About BD135
BD135 is a Transistor BJT NPN 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.
Specification Comparison
| Parameter | BD135Source | BD136 | BD135-16 |
|---|---|---|---|
| Manufacturer | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Package Type | Transistor Outline, Vertical | Transistor Outline, Vertical | Transistor Outline, Vertical |
| Pin Count | 3 | 3 | 3 |
| Temperature Range | ~ 150.0°C | ~ 150.0°C | ~ 150.0°C |
| Price | $0.0710 | $0.0960 | $0.0582 |
| Electrical Parameters | |||
| Factory Lead Time | 14 Weeks | 14 Weeks | 14 Weeks |
| YTEOL | 9 | 9 | 3 |
| Case Connection | ISOLATED | ISOLATED | — |
| Collector Current-Max (IC) | 1.5 A | 1.5 A | 1.5 A |
| Collector-Emitter Voltage-Max | 45 V | 45 V | 45 V |
| Configuration | SINGLE | SINGLE | SINGLE |
| DC Current Gain-Min (hFE) | 25 | 25 | 100 |
| JEDEC-95 Code | TO-126 | TO-126 | TO-126 |
| JESD-30 Code | R-PSFM-T3 | R-PSFM-T3 | R-PSFM-T3 |
| JESD-609 Code | e3 | e3 | e3 |
| Number of Elements | 1 | 1 | 1 |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY |
| Package Shape | RECTANGULAR | RECTANGULAR | RECTANGULAR |
| Package Style | FLANGE MOUNT | FLANGE MOUNT | FLANGE MOUNT |
| Polarity/Channel Type | NPN | PNP | NPN |
| Power Dissipation Ambient-Max | 12.5 W | 1.25 W | — |
| Power Dissipation-Max (Abs) | 8 W | 12.5 W | 13 W |
| Qualification Status | Not Qualified | Not Qualified | Not Qualified |
| Surface Mount | NO | NO | NO |
| Terminal Finish | Matte Tin (Sn) | Matte Tin (Sn) - annealed | Matte Tin (Sn) |
| Terminal Form | THROUGH-HOLE | THROUGH-HOLE | THROUGH-HOLE |
| Terminal Position | SINGLE | SINGLE | SINGLE |
| Transistor Application | AMPLIFIER | AMPLIFIER | AMPLIFIER |
| Transistor Element Material | SILICON | SILICON | SILICON |
| Transition Frequency-Nom (fT) | 250 MHz | 75 MHz | 250 MHz |
| VCEsat-Max | 0.5 V | 0.5 V | — |
| ## BD135 Alternates Showing results | Image | — | — |
| ## BD136 Alternates Showing results | — | Image | — |
| Reach Compliance Code | — | — | Not Compliant |
| Date Of Intro | — | — | 1980-01-04 |
Cells highlighted in yellow indicate differing values across parts. Always verify with official datasheets before substitution.
Quick Links
Why Look for Alternatives?
Finding alternatives for BD135 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 BD135 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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Request Alternatives for BD135FAQ
What is equivalent to BD135?
Known equivalents for BD135 include BD136, BD135-16. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of BD135?
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 BD135 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.