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Product Detailed Parameters
- Description：TRANS NPN 80V 1.5A TO-126-3
- Series：-
- Mfr：onsemi
- Package：Bulk
- Transistor Type：NPN
- Current - Collector (Ic) (Max)：1.5 A
- Voltage - Collector Emitter Breakdown (Max)：80 V
- Vce Saturation (Max) @ Ib, Ic：500mV @ 50mA, 500mA
- Current - Collector Cutoff (Max)：100nA (ICBO)
- DC Current Gain (hFE) (Min) @ Ic, Vce：63 @ 150mA, 2V
- Power - Max：1.25 W
- Frequency - Transition：-
- Operating Temperature：150°C (TJ)
- Mounting Type：Through Hole
- Package / Case：TO-225AA, TO-126-3
- Supplier Device Package：TO-126-3
- Grade：-
- Qualification：-
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Overview
The BD13910S is an NPN silicon epitaxial planar transistor manufactured by onsemi. It is housed in a SOT-32 plastic package and designed for audio amplifiers and drivers utilizing complementary or quasi-complementary circuits. The device features pre-selected DC current gain to ensure consistent performance across applications. As part of the broader BD13x series, it serves as the NPN counterpart to PNP types such as the BD136 and BD140, providing balanced characteristics for push-pull configurations.
Feature Summary
- Epitaxial planar construction for reliable operation
- Pre-selected DC current gain for consistency
- Designed for complementary circuit topologies
Applications
- Audio amplifier stages
- Driver circuits
- Quasi-complementary output stages
Procurement Notes
Verify the specific suffix '10S' against official datasheets to confirm binning or packaging variations. Ensure the component matches the SOT-32 package outline. Cross-reference with standard BD139 specifications if the suffix denotes a specific manufacturing lot or regional variant rather than a functional change.
Selection Notes
Select this component when designing audio power stages requiring matched NPN/PNP pairs. Verify that the SOT-32 package fits the PCB layout constraints. Confirm thermal requirements align with the planned heat sinking strategy for the intended power dissipation levels in the target application.
Part Context
This transistor belongs to the BD13x family of medium-power bipolar junction transistors. The series includes complementary NPN (BD135, BD139) and PNP (BD136, BD140) types. These devices are widely used in general-purpose audio and switching applications due to their robust construction and standardized pinouts within the SOT-32 package.
Replacement Considerations
Standard equivalents include the BD139 without suffixes or other manufacturers' BD139 variants. Ensure the replacement maintains the same SOT-32 footprint and electrical characteristics suitable for audio driver applications.
