P0900SCMC Littelfuse / Teccor Sidactor(R) Product, P0900SCMC Datasheet - Page 98
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 3.11 ISDN Overview
http://www.teccor.com
+1 972-580-7777
ISDN Compliant
Central Office Switching
System
CO
ISDN DSL
2-Wire,
160 kbps
2B1Q ±2.5 V
Component Selection
The P2300SC MC SIDACtor device and the F1250T TeleLink fuse were chosen because
both components meet GR 1089 surge immunity requirements without the use of additional
series resistance. The P2300SC MC voltage rating was selected to ensure loop powering
up to 190 V. For loop powering greater than 190 V, consider the P2600SC MC. The
P0080SA MC SIDACtor device was chosen to eliminate any sneak voltages that may
appear below the voltage rating of the P2300SC MC.
ISDN Circuit Protection
Integrated Services Digital Network (ISDN) circuits require protection at the Network
Termination Layer 1 (NT1) U-interface and at the Terminating Equipment (TE) or
Terminating Adapter (TA) S/T interface. Signal levels at the U-interface are typically ±2.5 V;
however, with sealing currents and maintenance loop test (MLT) procedures, voltages
approaching 150 V rms can occur. (Figure 3.11)
Protection Circuitry
Longitudinal protection was not used at either the U- or the TA/TE-interface due to the
absence of an earth-to-ground connection. (Figure 3.12) At the U-interface, the
P2600SC MC SIDACtor device and F1250T TeleLink fuse provide metallic protection, while
the TA/TE-interface uses the P0640SC MC SIDACtor device and F1250T TeleLink fuse.
Figure 3.12 also shows interfaces not isolated from earth ground.
Reference
Network
Termination
Layer 1
U
NT1
T
T
T
3 - 10
Terminal
Adapter
Terminal Equipment
(ISDN
Compliant)
T Reference
4-Wire
TE
TA
NT2
PBX
Non-ISDN
Terminal
POTS
B1
D
S
S
SIDACtor
B2
S Reference, 4-Wire
TE
TA
®
Data Book and Design Guide
© 2002 Teccor Electronics
B1
D
ISDN Terminal
B2
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