SL1026-275 Littelfuse Inc, SL1026-275 Datasheet
SL1026-275
Manufacturer Part Number
SL1026-275
Description
GAS TUBE 275V MAX 40KA 3PIN CART
Manufacturer
Littelfuse Inc
Series
SL1026r
Datasheet
1.SL1053B-NL.pdf
(2 pages)
Specifications of SL1026-275
Spark Over Voltage
275V
Impulse Discharge Current
40kA 8x20µs
Package / Case
Cartridge
Mounting Type
Holder
Peak Pulse Current
40 KA
Dc Breakover Voltage (nominal)
275 V
Number Of Electrodes
3
Termination Style
Clip
Failsafe Protection Y/n
N
Dimensions
9.1 mm D x 45 mm L
Technology
Gas Discharge Tube
Voltage Rating
275 V
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Tolerance
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Other names
SL1026-275
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
SL1026-275
Manufacturer:
LITTELFUSE
Quantity:
9 449
NOTES:
End of life limits
-- DC: 50% of minimum initial DC breakdown voltage limit to 150% of maximum initial
-- 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.
Specifications are subject to change without notice.
Refer to www.littelfuse.com/series/SL1026.html for current information.
SL1026-275
SL1026-400
SL1026-700
Part Number*
Agency Approvals
3 Electrode GDT Graphical Symbol
Electrical Characteristics
DC breakdown voltage limit.
AGENCY
®
a
SL1026 Series Gas Plasma Arrester
e
MIN
200
300
560
DC Voltage
100 V/sec
MAX
350
500
840
AGENCY FILE NUMBER
b
E128662
Voltage
1kV/μs
1300
800
900
DC
a = TIP
b = RING
e = GROUND
(centre electrode)
@50-60Hz
Gas Plasma Arrester (GDT) Products
SL1026 Series
9 cycles
Current
(Amps)
1
200
200
200
AC
1 sec x10
Current
(Amps)
Revised: October 23, 2009
50Hz
1
AC
10
10
10
33
• RoHS compliant
• 55 kA surge capability
• 40 kA surge capability
• Will protect against
• Signaling equipment.
• Communication
• Control gear.
8/20μSec
(kAmps)
Features
Current
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.
Applications
1
(single shot) tested with
8/20μS pulse as defined
by IEC 61000-4-5
(repetitive)
Trapezoidal waveforms
as specified in RIA 12.
equipment
Surge
x 10
20
20
20
8/20μSec
(kAmps)
1,2
Single
Surge
Max
40
40
40
1
10/350μSec
Max Single
(kAmps)
Surge
8
8
8
• Will protect against
• Will protect against
• Trackside cabinets.
• Cell phone base
capacitor discharge
voltage transient
waveforms as specified
in RIA 12.
double exponential
voltage transient
waveforms as specified
in IEC 571.
stations
1
150(+) and 150(-)
10/1000μSec
(Amps)
200
200
200
SL1026 Series
®
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SL1026-275 Summary of contents
Page 1
... RING GROUND (centre electrode) e Electrical Characteristics DC Voltage 100 V/sec DC Part Number* Voltage 1kV/μs MIN MAX SL1026-275 200 350 800 SL1026-400 300 500 900 SL1026-700 560 840 1300 NOTES: End of life limits -- DC: 50% of minimum initial DC breakdown voltage limit to 150% of maximum initial DC breakdown voltage limit ...
Page 2
... Glow Voltage: Type Physical Specifications Weight: 11g (0.388 oz.) Electrode Base: Nickel Iron Alloy Materials: Electrode Plating: Nickel Body: Ceramic Color coded body SL1026-275: Black/Black Part Marking: SL1026-400: Black/Yellow SL1026-700: Black/Red Storage and Operating -40°C to +90°C Temperature: SL1026 Series SL1026 Series Product Dimensions SL1026 GDT Series Profi ...