Transistor 2SA496

Transistor 2SA496 PNP, 0.8A TO-126

Transistors

Reference: TR2SA496

Part.No: 2SA496

€1.20

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The 2SA496 is a silicon PNP epitaxial power transistor in a TO-126 package, originally developed by Toshiba for medium-power amplifier and driver stages.

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Description
Product Details

2SA496 PNP Power Transistor - Medium-Power Amplifier & Driver Applications

The 2SA496 is a silicon PNP power transistor housed in the compact TO-126 package, built for medium-power amplifier and driver applications in audio and general-purpose circuits. It pairs its moderate voltage/current ratings with a usable current gain range, making it a practical choice for repair work on vintage audio gear or new PNP driver stages that need a small heatsinked package.

Functions & Applications

PNP Power Transistor: Complements NPN driver/output stages in push-pull audio and power circuits.
TO-126 Package: Small tab-mount case that can be bolted to a heatsink for improved thermal handling versus TO-92 parts.
Usable Current Gain: hFE classified from 40 up to 240 depending on the O/R/Y grade, suiting linear driver applications.
Medium-Power Rated: Vceo of 30V and collector current up to 0.8A cover many legacy audio driver and general-purpose switching needs.
Legacy/Repair Friendly: A common choice for servicing older Toshiba-era audio amplifiers and driver boards.

Technical Specifications

Parameter	Value / Specification
Transistor Type	BJT
Polarity / Channel	PNP
Package / Case	TO-126
Collector-Base Voltage (Vcbo)	-40V
Collector-Emitter Voltage (Vceo)	-30V
Max Collector Current (Ic)	-0.8A
Collector Power Dissipation (Pc)	0.55W
DC Current Gain (hFE)	40-240
Transition Frequency (ft)	50MHz

Frequently Asked Questions

Q: What is the complementary NPN transistor for the 2SA496?
A: The complementary NPN part is the 2SC495, matched for use in complementary push-pull driver and amplifier stages.

Q: Does the 2SA496 need a heatsink?
A: Its TO-126 tab allows mounting to a small heatsink; this is recommended if you approach the 0.55W dissipation limit or run it near its 0.8A/30V ratings continuously.

Notes

This is a legacy Toshiba-era part (also cross-referenced by other manufacturers under the same 2SA496 designation) commonly used for servicing vintage audio equipment; gain grades (O/R/Y) may vary by supplier batch.

Note: Price refers to one (1) piece. The component is shipped in bulk without individual packaging.

Transistor Type: BJT (Bipolar Junction Transistor)
Transistor Polarity / Channel: PNP
Transistor Case Style: TO-126

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