
BJT-40V-3A-SOT89
NPN transistor 40V 3A
NPN transistor rated at 40V / 3A in SOT-89 package for switched-mode power supplies, energy storage, and power tools.
- SOT-89
- switched power supplies, energy storage, and power tools
- Bipolar Transistors

Product Description
NPN transistor with maximum voltage 40V, collector current 3A, and SOT-89 package; operating temperature range from -40 °C to +125 °C. Ideal for switch-mode power supplies, energy storage, and power tools. Samples, bulk order assembly, and equivalent part suggestions available.
Specifications
| Maximum voltage | 40V |
|---|---|
| Collector current | 3A |
| Encapsulation | SOT-89 |
| Operating temperature range | -40 ℃ ~ +125 ℃ |
Parameters indicate the common category range; the confirmed datasheet with the order prevails.
Supply Notes
- Inventory and order in parallel
- Batch and channel information available
- Small samples and batches available
Similar models
Same category with similar voltage and current ranges, useful for comparison during selection.
- BJT-40V-3A-SOT23NPN transistor 40V 3ADiff. voltage 0%Diff. current 0%SOT-23· 40 V
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- BJT-60V-3A-SOT23NPN transistor 60V 3ADeviation exceeds 30%, please verifyDiff. voltage +50%Diff. current 0%SOT-23· 60 V
- S8050NPN Transistor S8050Deviation exceeds 30%, please verifyDiff. voltage 0%Diff. current -83%SOT-23· 40 V
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