Product Images are shown for illustrative purposes only and may differ from actual product.

BD139 Power Transistor


Write a review | 2 reviews

  • Stock: 2

    Availability: InStock priceValidUntil: 2026-09-06

  • SKU: 352 | DAA193

Availability: InStock priceValidUntil: 2026-09-06

  • Rs. 9.00 (inc GST)
    Rs.7.63 + GST

    Qty :

GST Invoice: Available for all purchases; eligible for input tax credit.

Delivery: 2–8 days across India. No MOQ required.

Bulk Orders: Need a larger quantity or item not in stock? Email: dnatechindia [at] gmail.com

Import Service: We import a wide range of electronic components on request.

BD139 Power Transistor

BD140 NPN Power Transistor

These epitaxial planar transistors are mounted in the TO126 plastic package. They are designed for audio amplifiers and drivers utilizing complementary or quasi-complementary circuits.

Product Specification of BD139

  • Collector Emitter Voltage V(br)ceo : 80V
  • DC Collector Current : 1.5A
  • DC Current Gain hFE : 40
  • No. of Pins : 3
  • Operating Temperature Max : 150°C
  • Power Dissipation Pd : 12.5W
  • Transistor Case Style : TO-126
  • Transistor Polarity : NPN

Extra Information
Country of Origin China
Imported By ElectroSource Private Limited

Reviews (2)

Write a review

Note: HTML is not translated!
    Bad           Good
CAPTCHA verification code

Frequently Asked Questions

Do you provide a GST bills?
Yes we provide GST Bill by the name of DNA Solutions. You will receive a GST compliant invoice for your records. You can take GST benefit.
What is your return / replacement policy?
Returns/replacements depend on the item type and condition. If there’s an issue, contact us with photos/videos and we’ll guide you as per policy.
How do I track my shipment?
After dispatch, you’ll receive a tracking link/number via email/WhatsApp/SMS (as applicable).
I forgot to add GST number at time of placing order, but I need GST Invoice in my firms name?
You can contact us via Contact us page and send your order details and GST number we will send you updated Invoice soft copy.
Do you support Purchase Orders (PO) for companies/colleges?
Yes — we accept POs. To process a PO faster, share: PO copy, billing address, shipping address, GSTIN (if applicable), and contact number. We’ll confirm availability, price, and dispatch timeline.
What if I received fewer / more quantity than ordered?
Send your order number and unboxing photo/video. We’ll verify and resolve quickly.
View all FAQs →

NEW Products

Product Page : New Products

MT6701 Magnetic Encoder Module PWM/I2C Brushless Motor Encoder

MT6701 Magnetic Encoder Module PWM/I2C Brushless Motor Encoder

MT6701 Magnetic Encoder Module PWM/I2C Brushless Motor EncoderMT6701 Module for brushless motor cont..

Rs.1,176.65 (inc GST)
Rs.997.17 + GST

SKU: 10753 | DAJ845
Stock: 0
Write review
Hongfa HF3FF/005-1ZST 5 Volt Relay

Hongfa HF3FF/005-1ZST 5 Volt Relay

Hongfa HF3FF/005-1ZST 5 Volt RelayHF3FF/005-1ZST Relay for low-power control, 5VDC, 10A, SPDT config..

Rs.51.92 (inc GST)
Rs.44.00 + GST

SKU: 8717 | DAI139
Stock: 50
ESP32s IoT Development Board

ESP32s IoT Development Board

ESP32s IoT Development BoardESP32 IoT Module with Wi-Fi + BLE, 3.3V regulator, and USB programming.T..

Rs.469.94 (inc GST)
Rs.398.25 + GST

SKU: 1128 | DAB275
Stock: 34
B1203S-1WR3 Mornsun Isolated DC - DC Converter

B1203S-1WR3 Mornsun Isolated DC - DC Converter

B1203S-1WR3 Mornsun Isolated DC-DC Converter B1203S-1WR3, 12V to 3V DC-DC Converter, 1W, Compact SI..

Rs.179.36 (inc GST)
Rs.152.00 + GST

SKU: 4022 | DAG763
Stock: 24

Have You Seen

Product Page : Have You Seen

R305 Fingerprint Module

R305 Fingerprint Module

R305 Fingerprint Module R305 Fingerprint Module offers biometric scanning with high precision and re..

Rs.2,950.00 (inc GST)
Rs.2,500.00 + GST

SKU: 186 | DAA698
Stock: 2
Keltron Supercapacitor 500 Farad 2.7 Volts EDLC

Keltron Supercapacitor 500 Farad 2.7 Volts EDLC

Keltron Supercapacitor 500 Farad EDLC Energy StorageKeltron 500F 2.7V Supercapacitor - High power de..

Rs.2,495.70 (inc GST)
Rs.2,115.00 + GST

SKU: 10265 | DAJ149
Stock: 5
12V 30Amp T TYPE RELAY

12V 30Amp T TYPE RELAY

T Type Relay 12 Volt 30 Amp2V 30Amp T TYPE RELAY with 12V coil excitation and PCB mounting design.Th..

Rs.94.40 (inc GST)
Rs.80.00 + GST

SKU: 327 | DAB247
Stock: 20
XL7015 IC

XL7015 IC

XL7015 ICThe XL7015 is a 150KHz fixed frequency PWM buck (step-down) DC/DC converter, capable of dri..

Rs.55.22 (inc GST)
Rs.46.80 + GST

SKU: 1147 | DAB613
Stock: 45

Related Products

4009 Hex inverting buffer

4009 Hex inverting buffer

4009 Hex Inverting Buffer 4009 Hex Inverting Buffer offers low power dissipation and high noise immu..

Rs.21.24 (inc GST)
Rs.18.00 + GST

SKU: 242 | DAA127
Stock: 11
PC817 OPTOCOUPLER

PC817 OPTOCOUPLER

PC817 OPTOCOUPLERPC817 OPTOCOUPLER/PhotocouplerPC817 is a 4pin DIP General Purpose Photocoupler..

Rs.5.48 (inc GST)
Rs.4.64 + GST

SKU: 427 | DAA413
Stock: 80
Write review
WCS1303 Hall Effect Base Current Switch

WCS1303 Hall Effect Base Current Switch

WCS1303 Hall Effect Current Switch WCS1303 Current Sensor for current detection with 8.3 mΩ resista..

Rs.259.60 (inc GST)
Rs.220.00 + GST

SKU: 769 | DAA582
Stock: 0
12V 1 Channel Infrared Remote Control Relay Module

12V 1 Channel Infrared Remote Control Relay Module

Infrared Remote Control 12 Volt 1 Channel Relay Module IR Relay Module 12V + Remote + High current ..

Rs.512.12 (inc GST)
Rs.434.00 + GST

SKU: 3289 | DAD399
Stock: 1
XL2576 5.0volt 52Khz Step-Down DC-DC Converter TO-263 IC

XL2576 5.0volt 52Khz Step-Down DC-DC Converter TO-263 IC

XL2576 Step-Down DC-DC Converter IC for Efficient Power Supply XL2576 Step-Down DC-DC Converter, 3A..

Rs.46.14 (inc GST)
Rs.39.10 + GST

SKU: 7257 | DAF755
Stock: 150
74HC14D High Speed CMOS Hex Inverter With Schmitt Trigger SMD IC

74HC14D High Speed CMOS Hex Inverter With Schmitt Trigger SMD IC

74HC14D High Speed CMOS Hex Inverter with Schmitt Trigger SMD IC 74HC14D CMOS Hex Inverter with Schm..

Rs.31.86 (inc GST)
Rs.27.00 + GST

SKU: 8919 | DAI256
Stock: 5