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Gas Plasma Arrester (GDT) Products
SL1026 Series
SL1026 Series Gas Plasma Arrester
?
Description
The SL1026 Series is a heavy-duty transient
suppresser using Gas Plasma technology. In
response to transients that exceed the device's
breakover voltage, the device changes from a very
high impedance state to a low impedance state to
conduct harmful current away from the protected
system. The SL1026 is designed to protect electrical
and electronic equipment such as communications,
control and railway systems. Carefully designed
geometry ensures against short circuiting if a failure
occurs due to conditions and events beyond the
design criteria. Optional electrical mounting clip (part
Agency Approvals
AGENCY
AGENCY FILE NUMBER
SL1053 ) is available to aid mounting and connection.
Features
? E128662
3 Electrode GDT Graphical Symbol
? RoHS compliant
? 55 kA surge capability
(single shot) tested with
8/20μS pulse as de?ned
by IEC 61000-4-5
? Will protect against
capacitor discharge
voltage transient
waveforms as speci?ed
in RIA 12.
a
e
b
a = TIP
b = RING
e = GROUND
(centre electrode)
? 40 kA surge capability
(repetitive)
? Will protect against
Trapezoidal waveforms
as speci?ed in RIA 12.
? Will protect against
double exponential
voltage transient
waveforms as speci?ed
in IEC 571.
Applications
Electrical Characteristics
? Signaling equipment.
? Communication
equipment
? Control gear.
? Trackside cabinets.
? Cell phone base
stations
AC
AC
Surge
Max
Max Single
150(+) and 150(-)
Part Number*
DC Voltage
100 V/sec
MIN MAX
DC
Voltage
1kV/μs
1
Current
9 cycles
@50-60Hz
(Amps)
1
Current
50Hz
1 sec x10
(Amps)
1
Current
8/20μSec
x 10
(kAmps)
1,2
Single
Surge
8/20μSec
(kAmps)
1
Surge
10/350μSec
(kAmps)
1
10/1000μSec
(Amps)
SL1026-275
SL1026-400
SL1026-700
200
300
560
350
500
840
800
900
1300
200
200
200
10
10
10
20
20
20
40
40
40
8
8
8
200
200
200
NOTES:
End of life limits
-- DC: 50% of minimum initial DC breakdown voltage limit to 150% of maximum initial
DC breakdown voltage limit.
-- Impulse: less that 150% of initial impulse breakdown voltage limit.
1. Total current through center electrode, tested using SL1053B-NL holder
2. Exceeds capability of SL1053B-NL holder
?2009 Littelfuse, Inc.
Speci?cations are subject to change without notice.
Refer to www.littelfuse.com/series/SL1026.html for current information.
33
Revised: October 23, 2009
SL1026 Series
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