*Power amplifier applications
*Recommend for 55W high fidelity audio frequency amplifier output stage PINNING(Se.

*With TO-3PFM package
*Complement to type 2SC4689 APPLICATIONS
*Power amplifier applications
*Recommend for 55W high fidelity audio frequency amplifier output stage PINNING(See Fig.2) PIN 1 2 3 Base Collector Fig.1 simplified outline .

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