Communications LSIs > ICs for telephone > Tone ringer

ROHM

罗姆

Tone ringer IC for telephone set

The BA8206 and BA8206F are tone ringer ICs which produce a bell sound from a ringing signal. The frequency of the bell sound can be varied by changing the constants of the external resistance and capacitors. The operation initiation current dissipation can be changed at the RSL pin. Also, the outp

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ROHM

罗姆

Ultra fast high-voltage soft-recovery controlled avalanche rectifiers

DESCRIPTION Plastic package, using glass passivation and a high temperature alloyed construction. This package is hermetically sealed and fatigue free as coefficients of expansion of all used parts are matched. The package should be used in an insulating medium such as resin, oil or SF6 gas.

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PHI

PHI

Dual N-Channel Enhancement Mode Field Effect Transistor

FEATURES ■ 20V , 6A , RDS(ON)=20mΩ @VGS=4.5V. RDS(ON)=30mΩ @VGS=2.5V. ■ Super high dense cell design for extremely low RDS(ON). ■ High power and current handing capability. ■ Surface Mount Package.

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CET

华瑞