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BD139-10 NPN bipolar transistor with 80V collector-emitter voltage and 1.5A collector current. Suitable for general purpose amplification and switching applications.
Mfr Part #:

BD139-10

Available from 3 distributors
Mfr Name: STMicroelectronics
STMicroelectronics
NPN bipolar transistor with 80V collector-emitter voltage and 1.5A collector current. Suitable for general purpose amplification and switching applications.
✓ Total Stock: 29,431 pcs
$ Price Range: $0.31 - $1.37

BD139-10 Available from 3 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Fe Components ✓
Non-Authorised Inventory information
26,750 pcs
On Request
26750 pcs On Request 1 On Request On Request On Request On Request On Request
Optech Co.,Limited ✓
Non-Authorised Inventory information
2,670 pcs
On Request
2670 pcs On Request 1 On Request On Request On Request On Request On Request
Partservice ✓
Non-Authorised Inventory information
11 pcs
On Request
11 pcs On Request 1 On Request On Request On Request On Request On Request
DistyParts aggregates offers from multiple distributors. Final prices, lead times and terms are subject to the distributors' discretion and may change without prior notice. DistyParts is not liable for any discrepancies.

BD139-10 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Current
DC Current Gain (hFE) (Min) @ Ic, Vce
Mounting Type
Operating Temperature
Power
Supplier Device Package
Transistor Type
Vce Saturation (Max) @ Ib, Ic
Voltage
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BD139-10 Description

Short technical summary and product information.

The BD139-10 is an NPN bipolar junction transistor manufactured by STMicroelectronics. It features a maximum collector-emitter voltage (VCEO) of 80V and a maximum collector current (IC) of 1.5A. Power dissipation is rated at 1.25W maximum, with a junction temperature limit of 150°C. The transistor offers a minimum DC current gain (hFE) of 40 at 150mA collector current and 2V collector-emitter voltage, and a maximum collector-emitter saturation voltage of 500mV at 50mA base current and 500mA collector current.

 

The device is designed for through-hole mounting and is available in TO-225AA and TO-126-3 packages, with a supplier device package of SOT-32. It is listed as RoHS3 compliant and REACH unaffected, though these compliance statuses are unverified. The BD139-10 is suitable for general purpose amplification, medium-power switching, and driver stages in audio and linear applications.

BD139-10 Quick Information

Product Type: Bipolar (BJT) Transistor
Canonical Name: BD139-10 NPN Bipolar Transistor
Subcategory: Single NPN

BD139-10 Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

BD139-10 Estimated Pricing

Qty Low High
1+ $1.37 $1.37
50+ $0.64 $0.64
100+ $0.57 $0.57
500+ $0.44 $0.44
1,000+ $0.40 $0.40
2,000+ $0.37 $0.37
5,000+ $0.33 $0.33
10,000+ $0.31 $0.31

Estimated market price range - modelled values for guidance only, not live distributor offers.

BD139-10 Features

  • NPN bipolar transistor with 80V VCEO.
  • Maximum collector current of 1.5A.
  • Power dissipation rated at 1.25W.
  • Minimum DC current gain of 40.
  • Through-hole SOT32 package.

BD139-10 Applications

  • General purpose amplification circuits.
  • Medium power switching applications.
  • Driver stages in audio amplifiers.
  • Linear voltage regulator circuits.

BD139-10 FAQs

7 frequently asked questions generated from this part’s specifications.
What is the maximum collector-emitter voltage of the BD139-10?

80V.

What package options are available for the BD139-10?

The BD139-10 is available in TO-225AA, TO-126-3 packages, with supplier device package SOT-32.

What is the maximum junction temperature for the BD139-10?

150°C.

Is the BD139-10 RoHS compliant?

Yes, it is listed as RoHS3 Compliant (unverified).

What is the maximum collector current of the BD139-10?

1.5A.

What is the DC current gain (hFE) of the BD139-10?

Minimum 40 at 150mA, 2V.

What is the saturation voltage of the BD139-10?

Maximum 500mV at 50mA base current and 500mA collector current.

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