STMICROELECTRONICS  BD139  Bipolar (BJT) Single Transistor, NPN, 80 V, 1.25 W, 1.5 A, 250 hFE


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Product Overview

The BD139 from STMicroelectronics is a through hole NPN complementary low voltage transistor in TO-126 (SOT-32) package. This device manufactured in epitaxial planar technology. Used for audio amplifiers and drivers, utilizing complementary or quasi complementary circuits.
  • Collector to emitter voltage (Vce) is 80V
  • Collector current (Ic) is 1.5A
  • Power dissipation (Pd) is 12.5W
  • Collector to emitter saturation voltage of 500mV at 0.5A collector current
  • DC current gain (hFE) of 25 at 0.5A collector current
  • Operating junction temperature range from 150°C


Power Management; Consumer Electronics; Portable Devices; Industrial
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Product Information

  • Transistor Polarity NPN
  • Collector Emitter Voltage V(br)ceo 80V
  • Transition Frequency ft -
  • Power Dissipation Pd 1.25W
  • DC Collector Current 1.5A
  • DC Current Gain hFE 250hFE
  • Transistor Case Style TO-225AA
  • No. of Pins 3Pins
  • Operating Temperature Max 150°C
  • Product Range -
  • MSL -
  • SVHC No SVHC (17-Dec-2015)

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Availability:  117

  • 117 in stock ready for despatch (UK stock)
Check stock and lead times
    More stock available week commencing 7/18/16

Price for: Each

Minimum order quantity: 1

Order multiple quantity: 1

Price: £0.23 (£0.276) £0.23


List Price Ex. VAT (Inc. VAT)

Quantity List Price
1 - 9 £0.23 (£0.276)
10 - 99 £0.17 (£0.204)
100 - 499 £0.15 (£0.18)
500+ £0.13 (£0.156)

Legislation and Environmental

  • Moisture Sensitivity Level: -
  • Country of Origin: Italy

    Country in which last significant manufacturing process was carried out

  • RoHS Compliant: Yes
      RoHS Certificate of Compliance
  • Tariff No: 85412900
  • Weight (kg): .00064
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