BD139 NPN Bipolar Medium Power Transistor (BJT) 80V 1.5A TO-126 Package
BD139 NPN Bipolar Medium Power Transistor (BJT) 80V 1.5A TO-126 Package
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Looking to buy BD139 NPN Bipolar Medium Power Transistor (BJT) 80V 1.5A TO-126 Package at the best price in India? Tech Depot India offers competitive pricing, bulk discounts for orders of 10+ units, and dedicated technical support via email and WhatsApp. Whether you are a hobbyist, student, or professional engineer, we have everything you need for your electronics projects.
Quality electronics from Tech Depot India, Bengaluru.
Specifications
| Parameter | Value |
| Transistor Type | NPN Bipolar Junction Transistor (BJT) |
| Maximum Collector-Emitter Voltage (Vce) | 80V |
| Maximum Collector Current (Ic) | 1.5A |
| Package Type | TO-126 (3-pin, through-hole) |
| Power Classification | Medium Power |
| Origin | Original/Authentic |
| Technical Support | Email & WhatsApp reliable |
Why Choose BD139 NPN Bipolar Medium Power Transistor (BJT) 80V 1.5A TO-126 Package?
100% Authentic
GST Invoice - A GST invoice is included with every order.
Expert Support - Dedicated technical help on WhatsApp and email.
Pan-India Delivery - Shipped across Bengaluru, Delhi NCR, Hyderabad and all of India.
Trusted by Makers - Used by students, hobbyists and professionals nationwide.
Perfect For
DIY Electronics Projects
- Build hobby amplifiers and audio circuits
- Create relay control modules
- Design LED driver circuits
Professional Applications
- Industrial automation and control systems
- Commercial power supply design
- Professional audio equipment
Learning & Education
- Perfect for electronics students and hobbyists
- Ideal for skill development and experimentation
- Great for prototyping and circuit design courses
Common Applications
- Audio Amplifiers - Driver and output stages
- Power Switching - Relay and solenoid control circuits
- Motor Control - PWM and speed control applications
- LED Drivers - High-brightness LED switching
- Industrial Control - AC/DC load switching
- Consumer Electronics - Power supply circuits and inverters
What's Included
BD139 Transistor (1 piece or quantity ordered)
Technical datasheet and pinout diagram
Quick start guideSupport contact information
Technical Highlights
- Reliable Performance - Proven design used in countless applications worldwide
- Easy Integration - Standard TO-126 package fits most PCB layouts
- Cost-Effective - Excellent value for medium-power switching applications
- Wide Availability - Compatible with most circuit designs and schematics
Order Now
Fast Shipping Authentic Quality Expert Support
For bulk orders, custom quotes, or technical assistance, contact us anytime!
Frequently Asked Questions
Is the BD139 100% authentic?
Yes, absolutely. We provide authentication certificates upon request.
Do you provide technical support?
Yes! Our technical team is available reliable via email and WhatsApp to answer questions, provide datasheets, and assist with circuit design.
Are bulk discounts available?
Yes! Orders of 10 or more units qualify for wholesale pricing. Contact us for a custom quote.
Can I use BD139 in my existing circuit design?
BD139 is a standard medium-power NPN transistor. If your design calls for an 80V/1.5A NPN BJT in TO-126 package, it's a direct fit. Consult the datasheet for pin compatibility.
Is this suitable for beginners?
Yes! BD139 is widely used in educational projects and is perfect for learning electronics. We provide full documentation and support to help you get started.
Customer Support
Email: techdepotindia@gmail.com
WhatsApp: Available for setup and troubleshooting help
Order your BD139 NPN Bipolar Medium Power Transistor (BJT) 80V 1.5A TO-126 Package today and start building your next project.
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