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Littelfuse

SL1026 Datasheet Preview

SL1026 Datasheet

Gas Plasma Arrester

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Gas Plasma Arrester (GDT) Products
SL1026 Series
SL1026 Series Gas Plasma Arrester
®
Agency Approvals
AGENCY
®
AGENCY FILE NUMBER
E128662
3 Electrode GDT Graphical Symbol
a = TIP
b = RING
a b e = GROUND
(centre electrode)
e
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
SL1053 ) is available to aid mounting and connection.
Features
• RoHS compliant
• 55 kA surge capability
(single shot) tested with
8/20μS pulse as defined
by IEC 61000-4-5
• 40 kA surge capability
(repetitive)
• Will protect against
Trapezoidal waveforms
as specified in RIA 12.
• Will protect against
capacitor discharge
voltage transient
waveforms as specified
in RIA 12.
• Will protect against
double exponential
voltage transient
waveforms as specified
in IEC 571.
Applications
• Signaling equipment.
• Communication
equipment
• Control gear.
• Trackside cabinets.
• Cell phone base
stations
Electrical Characteristics
Part Number*
SL1026-275
SL1026-400
SL1026-700
DC Voltage
100 V/sec
MIN MAX
200 350
300 500
560 840
DC
Voltage
1kV/μs
800
900
1300
1AC
Current
9 cycles
@50-60Hz
(Amps)
200
200
200
1AC
Current
50Hz
1 sec x10
(Amps)
10
10
10
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
1Surge
Current
8/20μSec
x 10
(kAmps)
20
20
20
1,2 Max
Single
Surge
8/20μSec
(kAmps)
40
40
40
1Max Single
Surge
10/350μSec
(kAmps)
1150(+) and 150(-)
10/1000μSec
(Amps)
8 200
8 200
8 200
©2009 Littelfuse, Inc.
Specifications are subject to change without notice.
Refer to www.littelfuse.com/series/SL1026.html for current information.
33
Revised: October 23, 2009
SL1026 Series




Littelfuse

SL1026 Datasheet Preview

SL1026 Datasheet

Gas Plasma Arrester

No Preview Available !

Gas Plasma Arrester (GDT) Products
SL1026 Series
Voltage vs. Time Characteristic
Max dynamic breakover
voltage
Hold-over voltage
On-State voltage
0 200 400 600 800 1000 1200
Time (ns)
Product Dimensions
SL1026 GDT Series Profile
45.0 Max
22.0 Ref
Ø8.7 Ø9.1
Max Max
Type 1053 Holder Profile
Electrical Specifications
Insulation
Resistance
> 10GΩ at 100 Volts
Capacitance:
<=2.5pf, 1MHz 0 Volts Bias
Holdover Voltage:
<150mS, tested at 130 volts according to
ITU-T Rec. K.12 & REA PE 80
Arc Voltage:
~35 Volts, On State Voltage at 1 Amp
(Depending on Voltage Type)
Glow to Arc
Transition Current:
~1 Amp
Glow Voltage:
> 150 Volts, depending on Voltage
Type
Physical Specifications
Weight:
Materials:
Part Marking:
Storage and
Operating
Temperature:
11g (0.388 oz.)
Electrode Base: Nickel Iron Alloy
Electrode Plating: Nickel
Body: Ceramic
Color coded body
SL1026-275: Black/Black
SL1026-400: Black/Yellow
SL1026-700: Black/Red
-40°C to +90°C
All dimensions in mm
Part Numbering System
SL 1026 –
Voltage
Packaging
GDT devices are provided as bulk pack in poly bag --
20 pieces per bag and 5 bags per carton.
SL1026 Series
34
Revised: October 23, 2009
©2009 Littelfuse, Inc.
Specifications are subject to change without notice.
Refer to www.littelfuse.com/series/SL1026.html for current information.


Part Number SL1026
Description Gas Plasma Arrester
Maker Littelfuse
PDF Download

SL1026 Datasheet PDF





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