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Littelfuse

SL1021A Datasheet Preview

SL1021A Datasheet

Gas Discharge Tubes

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Gas Discharge Tubes
High Performance Beta Range
RoHS Pb Greentube™ SL1021A Series Gas Plasma Arresters
The SL1021A series offers high levels of performance on fast ris-
ing transients in the domain of 100V/µS to 1KV/µS, which are
those most likely from induced Lightning disturbances. The
SL1021A series also features ultra low capacitance (typically 1pF
or less) and optimised internal geometry which provides low
insertion loss at high frequencies, so are ideal for the protection
of broadband equipment. These devices are extremely robust
and are able to divert a 10,000Amp pulse without destruction.
www.DataSheet4U.com
FEATURES
RoHS compliant except RSsuffix
• Low insertion loss
Excellent response to fast rising transients.
Ultra low capacitance.
10KA surge capability tested with 8/20µs pulse as defined by
IEC 61000-4-5
20,000 A single shot surge capability tested with 8/20µs
pulse as defined by IEC 61000-4-5
• Available with thermal failsafe option
(add ‘F’ or ‘S’ suffix to part number)
• ROHS Compliant
Applications:
Broadband equipment.
ADSL equipment.
XDSL equipment.
Satellite and CATV equipment.
General telecom equipment.
SL1021A xxxC
SL1021A xxxR
All dimensions in mm
ab
ø8.0+_0.2
®
8
e
3 ELECTRODE GDT
a=TIP
b=RING
e=GROUND
(centre electrode)
GRAPHICAL SYMBOL
ORDERING INFORMATION
SL 1021 A
Voltage
Pin Configuration
C=Core
R=Leaded
Failsafe Option
F=Plastic
S=Solder
SL1021A xxxRF
SL1021A xxxRS
ø1.0+_0.2
Mechanical Specifications:
Weight:
2.7g (0.095 oz.)
Materials:
Electrode Base: Nickel Iron Alloy
Electrode Plating: Bright Sn
Body: Ceramic
Device Marking: Littelfuse ‘LF’ marking, Voltage and
date code.
www.littelfuse.com
335




Littelfuse

SL1021A Datasheet Preview

SL1021A Datasheet

Gas Discharge Tubes

No Preview Available !

Gas Discharge Tubes
High Performance Beta Range
RoHS Pb Greentube™ SL1021A Series Gas Plasma Arresters ®
LITTELFUSE 3 TERMINAL ARRESTER SERIES
TOTALLY NON-RADIOACTIVE, UL RECOGNIZED
www.DaPtaaSrtheNeut4mUb.ecor m
SL1021A145
SL1021A150
SL1021A2006
SL1021A230
SL1021A250
SL1021A2607
SL1021A300
SL1021A350
SL1021A400
SL1021A420
SL1021A450
SL1021A500
SL1021A600
DC Voltage
@ 100V/sec
(V)
DC
Breakover
Voltage
Min-Max
(V)
145 116-174
150 120-180
200 150-250
230 184-276
250 200-300
260 210-310
300 240-360
350 280-420
400 320-480
420 345-500
450 360-540
500 400-500
600 480-720
DC
Dynamic
Breakover
Voltage @
100/µs (V)
500
500
350
350
400
420
450
500
550
600
650
700
850
Max
Max Max Single
Repetitive Impulse
Alternating Impulse Discharge
Discharge Discharge Current
Current1,3 Current 8/20µs5
(A) 8/20µs1,4 (kA) (kA)
10 10 20
10 10 20
10 10 20
10 10 20
10 10 20
10 10 20
10 10 20
10 10 20
10 10 20
10 10 20
10 10 20
10 10 20
10 10 20
Max Single
Single Impulse
Impulse Discharge
Discharge Current
Current8 10/350µs5
(kA) (kA)
Life Test
Rating2
40 2.5 100 shots
40 2.5 100 shots
40 2.5 100 shots
40 2.5 100 shots
40 2.5 100 shots
40 2.5 100 shots
40 2.5 100 shots
40 2.5 100 shots
40 2.5 100 shots
40 2.5 100 shots
40 2.5 100 shots
40 2.5 100 shots
40 2.5 100 shots
(1) Total current through center (ground) electrode, both line electrodes pulsed simultaneously; half value through
each respective line terminal.
(2) 100 amps, 10/1000µS pulse (does not apply to SL1021A200)
(3) 10 shots, A.C. 60Hz, 1 sec duration.
(4) 10 shots, 8/20µS waveform
(5) either end (line) electrode to centre (ground) electrode
(6) Meets the requirements of BT Type 21A.
(7) Meets the requirements of BT Type 14A. Addition of ‘F’ (failsafe) option meets the requirements of BT type
number 14A/1.
Voltage vs Time Characteristic
Max dynamic breakover
voltage
50
45
40
Time vs. Current for Failsafe
35
30
25
20
Hold-over voltage
15
10
On-State voltage
5
0
0
1
23
4
0 200 400 600 800 1000 1200
Time (ns)
1 line to ground
both lines to ground
Current
(A)
5
336 w w w . l i t t e l f u s e . c o m
6


Part Number SL1021A
Description Gas Discharge Tubes
Maker Littelfuse
PDF Download

SL1021A Datasheet PDF






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