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Gas Discharge Tubes
High Performance Beta Range
RoHS
Pb
GreentubeTM SL1002 Series Gas Plasma Arresters
(R)
The Broadband OptimizedTM SL1002 series has been especially developed for use in broadband equipment. Unique design features offer high levels of performance on fast rising transients in the domain of 100V/S to 1KV/S, which are those most likely from induced Lightning disturbances. These devices have Ultra low capacitance (typically 1.2pF or less) and present insignificant signal losses up to 1.5GHz. These devices are extremely robust and are able to divert a 5000A pulse without destruction. For AC Power Cross of long duration, overcurrent protection is recommended.
FEATURES
* RoHS compliant * Ultra Low Insertion Loss * Surface mountable * 5KA surge capability tested with 8/20S pulse
as defined by IEC 61000-4-5
* Excellent response to fast rising transients. * Can be used to meet Telcordia GR1089
without series resistance
* 10/700 6KV capability, as per ITUT k.21, enhanced test level * 2000 Amp 2/10S surge rating * Meets FCC part 68 10/160s waveform, 200A test and
10/560s waveform 100A test.
8
GAS DISCHARGE TUBES
Applications:
* Broadband equipment. * ADSL equipment. * XDSL equipment. * Satellite and CATV equipment. * General telecom equipment.
2 ELECTRODE GDT GRAPHICAL SYMBOL
ORDERING INFORMATION
SL 1002 A XXX
All dimensions in mm
Mechanical Specifications:
SM=Surfacemount Voltage C= Core Type 2 Pole Arrester
Weight: Materials:
Device Marking:
0.63g (0.022 oz.) Electrode Base: Nickel Iron Alloy Electrode Plating: Bright Sn Body: Ceramic `LF' logo, Voltage and date code
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323
Gas Discharge Tubes
High Performance Beta Range
RoHS
Pb
GreentubeTM SL1002 Series Gas Plasma Arresters
(R)
LITTELFUSE 2 TERMINAL MINI ARRESTER SERIES TOTALLY NON-RADIOACTIVE, UL RECOGNIZED
Max Dynamic DC Voltage Breakover @ 100V/sec Voltage @ (V) Part Number 100V/s (Vbr) SL1002A090 SL1002A230 SL1002A250 SL1002A260 SL1002A350 SL1002A600 90 230 250 260 350 600 360 400 400 400 500 800
Max Max Holdover Nominal Max Dynamic Max Repetitive Max Single Max Single Impulse Leakage Capacit Impulse Impulse Breakover On-State (1) Discharge Discharge Current(3) ance(4) Voltage Voltage @ 1 Discharge Voltage (pF) @ 1A (V) (V) (nA) kV/s (Vbr) Current(2) (kA) Current(5) (A) Current(6) (A) 2 50 1.2 20 2 100 700 5 2 135 1.2 20 2 100 500 5
500 500 600 900
5 5 5 5
2 2 2 2
2 2 2 2
100 100 100 100
1.2 1.2 1.2 1.2
135 135 135 135
20 20 20 20
Notes: (1) Tested according to ITU-T Rec.K12 (2) 10 shots, 8/20s wave form per IEC 61000-4-5 (3) Measured @ 100 Volts (4) Measured @ 1MHz, O volt bias (5) Measured with 2/10s wave form (6) Measured with 10/350s wave form
Voltage vs Time Characteristic
Max dynamic breakover voltage
Typical Insertion loss figures @1.0 GHz = 0.01dB @1.4 GHz = 0.1dB @1.8 GHz = 0.53dB @2.1 GHz = 0.81dB @2.45 GHz = 1.0dB
Voltage (V)
Hold-over voltage
@2.8 GHz = 1.2dB @3.1 GHz= 1.5dB
On-State voltage
@3.5 GHz = 2.1dB
1200
0
200
400
600 Time (ns)
800
1000
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Gas Discharge Tubes
High Performance Beta Range
RoHS
Pb
GreentubeTM SL1002 Series Gas Plasma Arresters
(R)
Profile for reflow soldering
250 225 200 Temperature C 175 150 125 100
Temperature (C) 200 300
Profile for wave soldering
Solder Flow Area
o T 1 max = 266C
o T 1 = 239 C
75 50 25 0 0 50 100 150 200 250 300 350 400 450 500 Time in seconds
Tm = 179oC
Forced Cooling
Preheating Area
100
8
GAS DISCHARGE TUBES
10
20
Time(seconds)
30
40
Notes: T1 max T1 Tm Tam b = Maximum TabTemperature = 266oC = Flow Tempearture of Solder = 239oC = Melting Point of Solder = 179oC
o
= 25 C o C Maximum permissible rate of temperature change = 7 / sec
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