THBT15011D 查看數據表（PDF） - STMicroelectronics

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产品描述 (功能)

生产厂家

THBT15011D

TRIPOLAR OVERVOLTAGE PROTECTION FOR TELECOM LINE

STMicroelectronics 

APPLICATION CIRCUIT :

1 - Line card protection

RING

GENERATOR

LINE A

T

E

S

T

R

E

L

A

Y

S

LINE B

PTC

THBTxxxD

PTC

RING

RELAY

THBTxxx11D

- VBAT

LCP1511D

SLIC

220

nF

2 - Protection for telephone set with ground key

LA

LB

THBTxxxD

GROUND KEY

E

HOOK

SPEECH

DIALING

RINGER

7/9

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