P0900SCMC Littelfuse / Teccor Sidactor(R) Product, P0900SCMC Datasheet - Page 102
P0900SCMC
Manufacturer Part Number
P0900SCMC
Description
SIDACTOR MC BI 75V 400A DO-214AA
Manufacturer
Littelfuse / Teccor Sidactor(R) Product
Series
SIDACtor® SC(MC)r
Datasheet
1.P0080SCMC.pdf
(212 pages)
Specifications of P0900SCMC
Voltage - Breakover
98V
Voltage - Off State
75V
Voltage - On State
5V
Current - Peak Pulse (8 X 20µs)
400A
Current - Peak Pulse (10 X 1000µs)
100A
Current - Hold (ih)
150mA
Number Of Elements
1
Capacitance
70pF
Package / Case
DO-214AA, SMB
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
P0900SCMC
Manufacturer:
TECCOR
Quantity:
54 000
Company:
Part Number:
P0900SCMCL
Manufacturer:
Littelfu
Quantity:
150 000
Company:
Part Number:
P0900SCMCLRP
Manufacturer:
Littelfu
Quantity:
73 500
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High Speed Transmission Equipment
Figure 3.16 T1/E1 Overview
http://www.teccor.com
+1 972-580-7777
Central Office
T1 Transceiver
TX Pair
RX Pair
T1/E1 Circuit Protection
T1/E1 networks offer data rates up to 1.544 Mbps (2.058 for E1) on four-wire systems.
Signal levels on the transmit (TX) pair are typically between 2.4 V and 3.6 V while the
receive (RX) pair could go as high as 12 V. Loop powering is typically ±130 V at 60 mA,
although some systems can go as high as 150 V. (Figure 3.16)
Protection Circuitry
Longitudinal protection is required at the Central Office Terminal (COT) interface because of
the ground connection used with loop powering. (Figure 3.17) Two P1800SC MC SIDACtor
devices provide overvoltage protection and two F1250T TeleLink fuses (one on Tip, one on
Ring) provide overcurrent protection. The P1800SC MC device is chosen because its V
is compliant with TIA-968 regulations, Section 4.4.5.2, “Connections with protection paths
to ground.” These regulations state:
Line powered DLC Four-wire,1.544 Mbps/2.048 Mbps
Approved terminal equipment and protective circuitry having an
intentional dc conducting path to earth ground for protection purposes at
the leakage current test voltage that was removed during the leakage
current test of section 4.3 shall, upon its replacement, have a 50 Hz or
60 Hz voltage source applied between the following points:
The voltage shall be gradually increased from zero to 120 V rms for
approved terminal equipment, or 300 V rms for protective circuitry, then
maintained for one minute. The current between (a) and (b) shall not
3000 ft
a. Simplexed telephone connections, including Tip and Ring, Tip-1
b. Earth grounding connections
and Ring-1, E&M leads and auxiliary leads
Line Regenerator
3 - 14
6000 ft
SIDACtor
Line Regenerator
®
Data Book and Design Guide
© 2002 Teccor Electronics
DRM
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