SKU: 90567898919

ON SEMICONDUCTOR BD139G Bipolar (BJT) Single Transistor, General Purpose, NPN, 80 V, 1.25 W, 1.5 A, 40 hFE

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Description

ON SEMICONDUCTOR BD139G Bipolar (BJT) Single Transistor, General Purpose, NPN, 80 V, 1.25 W, 1.5 A, 40 hFEThe BD139G is an NPN Plastic Medium Power Silicon Transistor designed for use as audio amplifiers and drivers utilizing complementary or quasi complementary circuits. High DC current gain Halogen free Applications Industrial Product details Power Dissipation Pd 1. 25W DC Collector Current 1. 5A Collector Emitter Voltage V(br)ceo 80V Transition Frequency ft Operating Temperature Max 150C Transistor Polarity NPN DC Current Gain hFE 40hFE No. of Pins

The BD139G is an NPN Plastic Medium-Power Silicon Transistor designed for use as audio amplifiers and drivers utilizing complementary or quasi complementary circuits.
  • High DC current gain
  • Halogen-free

Applications

Industrial

Product details

Power Dissipation Pd 1.25W
DC Collector Current 1.5A
Collector Emitter Voltage V(br)ceo 80V
Transition Frequency ft -
Operating Temperature Max 150°C
Transistor Polarity NPN
DC Current Gain hFE 40hFE
No. of Pins 3Pins
Product Range -
Automotive Qualification Standard -
Transistor Case Style TO-225AA
MSL -

Other details

Brand ON SEMICONDUCTOR
Part Number BD139G
Quantity Each
Technical Data Sheet EN
Product Change Notice EN

All product and company names are trademarks™ or registered® trademarks of their respective holders. Use of them does not imply any affiliation with or endorsement by them. Image is for illustrative purposes only. Please refer to product description.

Shipping Notes
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Exchange/Return Notes
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SKU: 90567898919

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4.4 ★★★★★
Based on 14 reviews
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K
Verified Purchase
keith halverson
Pawtucket, US
★★★★★ 5
Awesome
I have so many of these attached to my tool box. I hang so many different things from them including my drills. Love them and will probably buy more soon. Well made and very strong magnets.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 20, 2026
C
Verified Purchase
Chad
Waukegan, US
★★★★★ 4
works, just not the strongest magnet.
magnet will hold a drill but anything much heavier it will start to slide. have on e on fridge, 2 on safe and on on garage cabinet. fridge and safe hold the least, i guess due to plastic over magnet and coating on the safe and fridge. cabinet does best but still will slide with any significant weight. holds my drills ok however.
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Reviewed in the United States on April 17, 2026
C
Verified Purchase
Chris Griffin
Massapequa, US
★★★★★ 5
Quality and price, very strong magnet
Perfect for hanging odds and ends on in the shop
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Reviewed in the United States on May 23, 2026
T
Verified Purchase
Travis Pepin
Louisville, US
★★★★★ 5
Worth the money
Good magnets and the flexible arms are great for different size tools
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Reviewed in the United States on March 29, 2026
M
Verified Purchase
Manny
Chelsea, US
★★★★★ 2
Not worth it
These things suck the screw in the middle keeps falling of by just moving the thing from one place to another I already lost two screws that fell apart and with it the magnet. Very dissapointed I wouldn’t waste my money
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Reviewed in the United States on May 2, 2026

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