BD441 STMicroelectronics Transistor BJT NPN (Transistor Outline, Vertical) In Stock
STMicroelectronics BD441 NPN Bipolar Transistor, 4 A, 80 V, 3-Pin SOT-32
- Manufacturer
- STMicroelectronics
- Package
- Transistor Outline, Vertical
- Pin Count
- 3
- Lifecycle
- OBSOLETE
- Datasheet
- BD441 Datasheet PDF
- Category
- Transistor BJT NPN
- Price
- From $0.0940(MOQ 100)
- Temp Range
- ?°C to 150.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Specifications
| Pbfree Code | Yes |
| YTEOL | 0 |
| Case Connection | ISOLATED |
| Collector Current-Max (IC) | 4A |
| Collector-Emitter Voltage-Max | 80V |
| Configuration | SINGLE |
| DC Current Gain-Min (hFE) | 15 |
| JEDEC-95 Code | TO-126 |
| JESD-30 Code | R-PSFM-T3 |
| JESD-609 Code | e3 |
| Number of Elements | 1 |
| Package Body Material | PLASTIC/EPOXY |
| Package Shape | RECTANGULAR |
| Package Style | FLANGE MOUNT |
| Polarity/Channel Type | NPN |
| Power Dissipation Ambient-Max | 36W |
| Power Dissipation-Max (Abs) | 36W |
| Qualification Status | Not Qualified |
| Surface Mount | NO |
| Terminal Finish | MATTE TIN |
| Terminal Form | THROUGH-HOLE |
| Terminal Position | SINGLE |
| Transistor Application | SWITCHING |
| Transistor Element Material | SILICON |
| Transition Frequency-Nom (fT) | 3MHz |
| VCEsat-Max | 0.8V |
| ## BD441 Alternates Showing results | Image |
| Package | Transistor Outline, Vertical |
Compliance & Regulatory
| RoHS Status | Compliant |
| ECCN | EAR99 |
| HTS Code | 8541.29.00.95 |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for BD441:
suggested
Frequently Asked Questions
What is the price of BD441?
BD441 is priced from $0.0940 USD depending on quantity. Submit an RFQ on FindMyChip for the best current pricing from authorized China distributors.
Is BD441 in stock?
BD441 is listed as in stock at FindMyChip, sourced from authorized distributors, and ships worldwide with typical 3-7 business day lead time. Submit an RFQ for current quantity pricing, MOQ, and confirmed availability.
Where can I buy BD441?
You can buy BD441 from FindMyChip, a B2B electronic component platform sourcing from China distributors. We offer competitive pricing and low MOQ for BD441 from STMicroelectronics.
What is the datasheet for BD441?
The official BD441 datasheet from STMicroelectronics contains full specifications including pin configuration, electrical characteristics, and application notes. Download it directly from the datasheet section above.
What package does BD441 come in?
BD441 is available in Transistor Outline, Vertical packaging. See the package diagram and pinout above for detailed dimensional information.
Related Guides
CL31A107MQHNNNE 1206 100 uF MLCC Selection Guide
How to choose CL31A107MQHNNNE and related 1206 MLCCs for low-voltage bulk capacitance and regulator stability.
Jul 2, 2026
CL05B103KB5NNNC 0402 10 nF X7R MLCC Selection Guide
How to choose CL05B103KB5NNNC and related 0402 MLCCs for bypassing, filtering, voltage derating, and sourcing.
Jul 2, 2026
ADAQ7768-1 Design Guide for Precision Vibration and Dynamic Signal Measurement
Design ADAQ7768-1 precision data acquisition channels for vibration and dynamic sensing with the right bandwidth, reference, clock, and layout choices.
Jun 30, 2026
AD5204BRZ10 Design Guide for SPI-Controlled Gain and Offset Calibration
Design AD5204BRZ10 digital potentiometer calibration loops with bounded trim span, safe wiper current, clean SPI routing, and reliable startup codes.
Jun 30, 2026
Why Buy from FindMyChip
About STMicroelectronics
STMicroelectronics is a global semiconductor leader serving customers across the spectrum of electronics applications. ST's products are found in a wide range of applications including automotive, industrial, personal electronics, and communications.
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 100+ | $0.1170 | $11.70 |
| 500+ | $0.1040 | $52.00 |
| 2500+ | $0.0940 | $235.00 |
In Stock · 24h Response · Worldwide Shipping
Response within 24 hours · Worldwide shipping
“The anti-counterfeit verification gave us confidence we'd never had with other China suppliers.”