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| Distributor | Stock | Pricing | MOQ | PKG | Lead Time | Date Code | On Order Quantity | On Order Delivery | |
|---|---|---|---|---|---|---|---|---|---|
|
17 pcs
|
17 pcs | On Request | 1 | On Request | On Request | On Request | On Request | On Request |
| Category | |
| Manufacturer Name | |
| Base Current | |
| Base-Emitter On Voltage | |
| Collector-Base Voltage (VCBO) | |
| Current | |
| DC Current Gain (hFE) (Min) @ Ic, Vce | |
| DC Current Gain (hFE) (Minimum @ IC=0.005 A, VCE=2 V) | |
| DC Current Gain (hFE) (Minimum @ Ic=-0.5 A, Vce=-2 V) | |
| Emitter-Base Voltage (VEBO) | |
| Halogen Free | |
| Mounting Type | |
| Operating Temperature | |
| Power | |
| Power Dissipation (Maximum @ TC=25 °C) | |
| Supplier Device Package | |
| Thermal Resistance - Junction to Case | |
| Thermal Resistance Junction-to-Ambient | |
| Transistor Type | |
| Vce Saturation (Max) @ Ib, Ic | |
| Voltage |
The BD139 is an NPN silicon medium-power transistor designed for audio amplifiers and drivers. It features a collector-emitter voltage (VCEO) of 80V and a collector current rating of 1.5A.
Key electrical characteristics include a DC current gain (hFE) range of 40-250 at 150mA, and a low collector-emitter saturation voltage of 0.5V at 500mA. The device can dissipate up to 12.5W at case temperature 25°C.
The transistor is housed in a TO-225AA / TO-126-3 through-hole package, suitable for PCB mounting. It is Pb-free, halogen-free, and RoHS compliant. Operating temperature range is -55°C to 150°C.
| Qty | Low | High |
|---|---|---|
| 1+ | $1.81 | $1.81 |
| 50+ | $0.86 | $0.86 |
| 100+ | $0.77 | $0.77 |
| 500+ | $0.60 | $0.60 |
| 1,000+ | $0.55 | $0.55 |
| 2,000+ | $0.51 | $0.51 |
| 5,000+ | $0.46 | $0.46 |
| 10,000+ | $0.43 | $0.43 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The BD139 has a collector-emitter voltage (VCEO) of 80V.
The BD139 is available in a TO-225AA / TO-126-3 through-hole package.
The BD139 operates from -55°C to 150°C.
Yes, the BD139 is RoHS compliant and Pb-free.
The maximum collector current is 1.5A.
The DC current gain ranges from 40 to 250 at 150mA collector current and 2V VCE.
The power dissipation is 1.25W at 25°C ambient and 12.5W at 25°C case temperature.