BD37910STU

Overview

The BD37910STU is a single NPN bipolar junction transistor manufactured by onsemi. It features an 80V collector-emitter breakdown voltage and a continuous collector current rating of 2A. The device is housed in a TO-126-3 through-hole package, suitable for power applications requiring robust thermal performance. With a maximum power dissipation of 25W, it supports high-current switching tasks. Key electrical characteristics include a minimum DC current gain (hFE) of 63 at specified test conditions and a low collector cutoff current of 2μA.

Feature Summary

• High power handling capability with 25W dissipation rating
• Robust 80V voltage withstand for industrial switching
• Through-hole mounting for secure mechanical attachment

Applications

• General-purpose power switching circuits
• Industrial control systems
• Automotive electronic control modules

Procurement Notes

Verify the specific suffix and tape/reel or tube packaging configuration against the official datasheet before ordering. Ensure the procurement channel provides traceability documentation compliant with industry standards. Confirm that the received components match the exact part number designation to avoid integration issues in high-power designs.

Selection Notes

Select this component when designing circuits requiring moderate voltage blocking and substantial current capacity in a standard through-hole form factor. Consider the thermal resistance of the TO-126-3 package and implement appropriate heat sinking strategies to maintain junction temperatures within safe operating limits during continuous operation.

Part Context

This transistor belongs to onsemi's discrete semiconductor portfolio, targeting reliable performance in power management and signal switching roles. The BD37910 series is engineered for durability in environments subject to electrical stress, providing a stable solution for legacy and new designs requiring proven BJT technology.

Replacement Considerations

Consult official cross-reference guides for direct substitutes. Verify pinout compatibility and electrical parameter margins, particularly Vceo and Ic ratings, to ensure functional equivalence without redesigning the surrounding circuitry.