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P0080SAMC Datasheet

  • P0080SAMC

  • solid state crowbar devices

  • 212頁(yè)

  • TECCOR

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High Speed Transmission Equipment
Central Office Site
DS-1 Rate
Interface
(1.544 Mbps)
HDSL transceiver unit
784 kbps Full-Duplex loop
HTU-C
784 kbps Full-Duplex loop
< 12,000 ft, 200 kHz BW
+2.5 V signal level
2B1Q, Z
O
=135 W
Remote Site
HDSL transceiver unit
DS-1 Rate
Interface
(1.544 Mbps)
HTU-R
Figure 3.9
HDSL Overview
Protection Circuitry
Reference Designs
Longitudinal protection is required at both the HDSL Transceiver Unit 鈥?Central Office
(HTU-C) and HDSL Transceiver Unit 鈥?Remote (HTU-R) interfaces because of the ground
connection used with loop powering. Two P2300SC MC
SIDACtor
devices provide
overvoltage protection and two F1250T
TeleLink
fuses (one on Tip, one on Ring) provide
overcurrent protection. (Figure 3.10) For the transceiver side of the coupling transformer,
additional overvoltage protection is provided by the P0080SA
SIDACtor
device. The
longitudinal protection on the primary coil of the transformer is an additional design
consideration for prevention of EMI coupling and ground loop issues.
HTU-C/HTU-R Interface Protection
F1250T
Tip
P2300SC MC
P2300SC MC
Ring
F1250T
Power
Sink
HDSL
Transceiver
P0080SA MC
TX
F1250T
Tip
P2300SC MC
P2300SC MC
Ring
F1250T
Figure 3.10
HDSL Protection
P0080SA MC
RX
漏 2002 Teccor Electronics
SIDACtor
廬
Data Book and Design Guide
3-9
http://www.teccor.com
+1 972-580-7777

P0080SAMC 產(chǎn)品屬性

  • 5,000

  • 過電壓，電流，溫度裝置

  • TVS - 晶閘管

  • SIDACtor® SA(MC)

  • 25V

  • 6V

  • 4V

  • 150A

  • 45A

  • 50mA

  • 1

  • 55pF

  • DO-214AA，SMB

  • 散裝

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