2SA1797T100Q AG PNP 50V 3A Power Transistor for Lovecore A1 Power Supply

2SA1797T100Q AG PNP Power Transistor | 50V VCEO / 3A IC Bipolar PNP Transistor with Low 150 mV Saturation Voltage for Lovecore Aisen A1 Power Supply Repair and General-Purpose Linear PSU Driver Stage Replacement

The 2SA1797T100Q AG PNP power transistor is the workhorse driver / output transistor in the Lovecore Aisen A1 power supply. Revive your mining performance with this drop-in PNP power transistor replacement — designed to restore failed components in the Lovecore Aisen A1 PSU control / linear stages and ensure reliable power delivery for optimal mining operations.

The 2SA1797T100Q AG is a PNP-type bipolar power transistor with a maximum collector-emitter voltage (VCEO) of 50V and maximum DC collector current of 3A. It offers a low collector-emitter saturation voltage of 150 mV, ensuring efficient power transfer and minimizing energy loss — important in linear stages where transistor saturation losses translate directly into wasted heat and reduced PSU efficiency.

Typical Use in Lovecore Aisen A1 PSU Repair

• PNP driver-stage failure — replacing failed 2SA1797T100Q in the Aisen A1 PSU control loop.
• Linear regulator output replacement — restoring PNP power transistor in linear PSU stages.
• Post-fault recovery — replacing PNP transistors damaged in primary-side fault events.
• Production refurbishment — bulk transistor inventory for high-volume Aisen A1 PSU rebuild.
• General-purpose 50V PNP applications — any 50V / 3A PNP driver / switch application outside mining.

2SA1797T100Q AG Specifications

FAQ — 2SA1797T100Q PNP Transistor

Q: How do I diagnose a failed 2SA1797T100Q on the Aisen A1 PSU?
A: Typical signs: PSU won't start, control loop instability, no drive signal to downstream stage. Test with multimeter resistance / diode mode — measure B-E and B-C junctions. Healthy PNP shows ~0.7V drop forward-biased base-to-emitter (for PNP, base must be more negative than emitter). Short or open indicates failure.

Q: Can I substitute another 50V PNP transistor?
A: Functionally yes — any 50V PNP with similar Vce(sat) and IC rating works. However, for OEM-spec Aisen A1 PSU repair, stick with 2SA1797T100Q AG to preserve the original electrical envelope. Substitute transistors may have different hFE / gain or saturation behavior affecting control-loop response.

Q: What's the "AG" suffix mean?
A: The "AG" suffix typically indicates a packaging or gain group variant — manufacturers bin transistors by hFE / gain into groups (typical gain ranges). For repair use, match the suffix to what's printed on the failed transistor for best electrical match.

Q: Bulk pricing for repair shops?
A: Yes — email contact@lys-sz.com with your monthly PSU repair volume for tier pricing on 2SA1797T100Q stock.

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Lovecore Aisen A1 repair shops stocking 2SA1797T100Q by the reel? Email contact@lys-sz.com for bulk pricing. Worldwide shipping from our Shenzhen warehouses.