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Medium Power MLV (VC13, 14, 15, 20)
Medium Power Multilayer Chip Varistor
Transient Voltage Suppression, ESD Protection Devices & EMI Devices
TELECOM SERIES - VC14 (1812)
FEATURES
? Pd/Ag Terminations
? High Energy Ratings (up to 6 Joules with 1812 case)
? Multiple Strike Capability
? Provides EMC Capacitance
? Effective Alternative to Leaded MOVs between 60-90Vrms
? Specified in accordance to CCITT 10/700ms Pulse test
TARGET APPLICATIONS
? Phone Lines, ADSL Lines, and other Telecom Circuits
? Consumer Products
GENERAL CHARACTERISTICS
Storage Temperature: -55oC to +125oC
Operating Temperature: -55oC to +125oC
CCITT 10x700μs TEST
A test pulse of 10x700μs duration as specified by CCITT or
IEC 61000-4-5 is often used to check the interference
immunity of telecom equipment.
The curves show that the 60Vrms varistor can reduce the
2000
10/700 Telecom Test Pulse Wave-Form
Without Varistor
interference voltage at the equipment connected from 2kV
1500
(Open-circuit voltage)
to less than 200V.
1000
10/700 Pulse Test Capability
Typical V1mA Drift
500
With a 60Vrms Telecom Varistor
(Protection level <200V)
10%
8%
0
0
0.2
0.4
0.6
0.8
Time (ms)
1
1.2
1.4
1.6
6%
4%
2%
0%
60Vrms
95Vrms
Ten pulses with a duration of 10x700μs applied at one
minute intervals are specified for telecom equipment.
The curves show the V1mA drift when more than 10 pulses
are applied.
1
10
100
1000
Pulses
PART NUMBERS
Part Number
Operating
Voltage
Vclamp
(8x20μs)
Energy
(10x1000μs)
Max Ipeak
(8x20μs)
Mean
Power
CCITT
10Pulse
Typical
Cap
1 Surge
Dissipation
(10x700μs)
Vrms
Vdc
Vp
Ip
J
Ip (A)
W
V
pF
VC14MT0600KBA
VC14MT0950KBA
60
95
85
125
200
270
45
45
6
5
400
250
0.015
0.015
2000
2000
400
250
14
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