P0900SCMC Littelfuse / Teccor Sidactor(R) Product, P0900SCMC Datasheet - Page 141
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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© 2002 Teccor Electronics
SIDACtor
®
Data Book and Design Guide
UL 60950 Terminology
The following definitions assist in understanding UL 60950:
Creepage distance is the shortest distance between two conductors, measured along the
surface of the insulation. DC voltages shall be included in determining the working voltage
for creepage distances. (The peak value of any superimposed ripple or short disturbances,
such as cadenced ringing signals, shall be ignored.)
Clearance distance is the shortest distance between two conductive parts or between a
conductive part and the outer surface of the enclosure measured through air. DC voltages
and the peak value of any superimposed ripple shall be included in determining the working
voltage for clearance distances.
Creepage and clearance distances are also subject to the pollution degree of the
equipment:
• Pollution degree 1 — components and assemblies that are sealed to prevent ingress of
• Pollution degree 2 — generally applicable to equipment covered by UL 60950
• Pollution degree 3 — equipment is subject to conductive pollution or to dry non-
To ensure safe operating conditions of the equipment, UL 60950 focuses on the insulation
rating of the circuit(s) under consideration. Table 4.15 and Table 4.16 indicate the required
creepage and clearance distances depending on material group, pollution degree, working
voltage, and maximum transient voltage in the secondary circuit. For a typical
telecommunication application with a working voltage of 200 V, pollution degree 2, material
group IIIb, the creepage distance is 2 mm. The clearance distance is 2 mm for reinforced
insulation.
SELV
TNV
TNV3
TNV2
TNV1
dust and moisture
conductive pollution, which could become conductive due to expected condensation.
Secondary circuit whose voltage values do not exceed a safe value
(voltage less than hazardous levels of 42.4 V peak or 60 V dc)
Telecommunication Network Voltage (a secondary circuit)
³ SELV but with exposure to surges
³ SELV but without exposure to surges
£ SELV with exposure to surges
4 - 17
UL 60950 3rd Edition (formerly UL 1950, 3rd edition)
http://www.teccor.com
+1 972-580-7777
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