B557 2sb557 equivalent, 2sb557.
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*PU.ocwomer amplifier applications
*Recommended for 50W high-fidelity audio frequency amplifier ou.
*With TO-3 package
*Complement to type 2SD427
*High power dissipation
APPLICATIONS www.DataSheet4
*PU.ocwomer amplifier applications
*Recommended for 50W high-fidelity audio frequency amplifier output stage
PINNING(see Fig.2) PIN.
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