Gas Discharge Tubes
SL1011A and SL1411A Series
SL1011A and SL1411A Series
Description
RoHS
The SL1011A and SL1411A series provides high levels
of protection against fast rising transients in the
100V/µs to 1kV/µs range usually caused by lightning
disturbances.
The SL1011A and SL1411A series offers low
capacitance (< 1.5pf) which provides low insertion
loss at high frequencies.
SL1011A offers 5kA protection without destruction
whereas the SL1411A offer 10kA surge protection
without destruction (maximum single surge of 12kA
@ 8/20µs).
Features
Agency Approvals
AGENCY
AGENCY FILE NUMBER
E128662
2 Electrode GDT Graphical Symbol
• Lead-free and RoHS
compliant
• Low insertion loss
• Excellent response to
fast rising transients
• Ultra low capacitance
Applications
• 5kA (SL1011A) or
10kA (SL1411A) surge
capability tested with
8/20μs pulse as defined
by IEC 61000-4-5 2nd
edition
Additional Information
• Broadband equipment
• ADSL equipment
• XDSL equipment
Samples
SL1011A
SL1011A
• Satellite and CATV
equipment
• General telecom
equipment
Datasheet
SL1011A
Resources
SL1011A
Datasheet
SL1411A
Resources
SL1411A
Samples
SL1411A
SL1411A
© 2017 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 12/12/17
Gas Discharge Tubes
SL1011A and SL1411A Series
Electrical Characteristics
Device Specifications
(at 25°C)
Impulse
Impulse Insulation Capaci-
DC Breakdown
Breakdown Breakdown Resistance tance
in Volts
1,2
in Volts
3
In Volts
(@100V/s)
(@1MHz)
(@100V/µs)
(@1kV/µs)
Life Ratings
Arc
Voltage
(on state
Voltage)
@1Amp Min
TYP
Part Number
Nominal
Impulse
Discharge
(@100A
10/1000µs)
Current
(8/20µs)
Surge
Life
Nominal
AC
DC
AC
Dischage Holdover
Discharge Current Voltage
4
Current
(9 Cycles @
(10x1s
@50-60Hz)
50Hz)
TYP
Max Impulse
Discharge Current
(1 Application)
MIN
TYP
MAX
MAX
MIN
MAX
@ 8/20µs
@ 10/350µs
SL1011A075
SL1411A075
SL1011A090
SL1411A090
SL1011A150
SL1411A150
SL1011A230
SL1411A230
SL1011A250
SL1411A250
SL1011A350
SL1411A350
SL1011A470
SL1411A470
SL1011A600
SL1411A600
60
72
75
90
90
108
500
500
500
500
550
600
600
800
1000
1100
1200
700
600
650
650
700
800
800
900
1100
1200
1400
10
10
Ω
(at 50V)
50 V
SL1011A145 116 145 174
120 150 180
184 230 276
200 250 300
1.5 pF
10
10
Ω
(at 100V)
~20 V
300
shots
SL1011A:
10 shots
(@5kA)
SL1411A:
10 shots
(@10kA)
SL1011A:
5A
SL1411A:
10 A
SL1011A:
20 A
SL1411A:
65 A
135 V
SL1411A:
12 kA
1 kA
SL1011A260 210 260 310
280 350 420
376 470 564
SL1011A500 400 500 600
480 600 720
Notes:
1. At delivery AQL 0.65 level II, DIN ISO 2859
2. In ionized mode
3. Comparable to the silicon measurement Switching Voltage (Vs)
4. Tested according to ITU-T Rec. K.12 < 150 msecs.
Product Characteristics
Materials
Product Marking
Leaded Device:
Nickel-plated with Tin-
plated wires
Core and Surface Mount:
Dull Tin-plated
Littelfuse 'LF' Mark, voltage and date
code
Glow to Arc
Transition Current
Glow Voltage
Storage and
Operational
Temperature
< 0.5 Amps
~60 Volts
-40 to +90°C
© 2017 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 12/12/17
Gas Discharge Tubes
SL1011A and SL1411A Series
Device Dimensions
For SL1011A Series:
'A' Type Axial Lead Devices
'C' Type Core Devices
PROFILE VIEW
Ø0.8
[0.031]
TOP VIEW
TOP VIEW
Ø8.0 ± 0.2
[0.315 ± 0.0079]
PROFILE VIEW
SEMI–PROFILE VIEW
6.05 ± 0.2
[0.238 ± 0.0079]
6.05 ± 0.2
[0.238 ± 0.0079]
62 ± 2
For SL1411A series:
'A' Type Axial Lead Devices
'SM' Type Surface Mount Devices
PROFILE VIEW
Ø1.0
[0.039]
TOP VIEW
TOP VIEW
Ø8.0 ± 0.2
Ø8.0 ± 0.2
[0.315 ± 0.0079]
PROFILE VIEW
SEMI–PROFILE VIEW
8.3 ± 0.1
4 [0.157]
+ 0.10
Ø8.0 – 0.30
0.0039
[0.315 + 0.0118 ]
–
5.55 [0.219]
6.05 ± 0.2
[0.238 ± 0.0079]
Ø8.3 ± 0.15
6.05 ± 0.2
[0.238 ± 0.0079]
62 ± 2
Ø
9.
30
±
0.
2
SOLDER PAD LAYOUT
0.5 ± 0.1
1.30 [0.051]
'C' Type Core Devices
7.00 [0.276]
TOP VIEW
+ 0.10
Ø8.00 – 0.30
0.0039
[0.315 + 0.0118 ]
–
PROFILE VIEW
+ 0.20
6.05 – 0.15
0.0079
[0.238 + 0.0059 ]
–
SEMI–PROFILE VIEW
5.40 [0.213]
© 2017 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 12/12/17
+ 0.10
Ø8.00 – 0.30
Gas Discharge Tubes
SL1011A and SL1411A Series
Soldering Parameters - Reflow Soldering (Surface Mount Devices)
Reflow Condition
- Temperature Min (T
s(min)
)
Pre Heat
- Temperature Max (T
s(max)
)
- Time (Min to Max) (t
s
)
Average Ramp-up Rate (Liquidus Temp
(T
L
) to peak)
T
S(max)
to T
L
- Ramp-up Rate
Reflow
- Temperature (T
L
) (Liquidus)
- Temperature (t
L
)
Pb-free assembly
150°C
60 – 180 seconds
3°C/second max.
5°C/second max.
217°C
60 – 150 seconds
260
+0/-5
T
P
T
L
Temperature
t
P
Ramp-up
Critical Zone
T
L
to T
P
200°C
T
S(max)
T
S(min)
Preheat
t
L
Ramp-down
t
S
time to peak temperature
(t 25ºC to peak)
25
Time
Peak Temperature (T
P
)
Time within 5°C of Actual Peak
Temperature (t
p
)
Ramp-down Rate
Time 25°C to Peak Temperature (T
P
)
Do not exceed
°C
10 – 30 seconds
6°C/second max.
8 minutes max.
260°C
Soldering Parameters - Wave Soldering (Thru-Hole Devices)
300
Recommended Process Parameters:
Wave Parameter
Preheat:
(Depends on Flux Activation Temperature)
(Typical Industry Recommendation)
Temperature (°C) - Measured on bottom side of board
280
260
240
220
200
180
160
140
120
100
80
60
40
20
100
110
120
130
140
150
160
170
180
190
200
210
220
230
240
10
20
30
40
50
60
70
80
90
0
0
Lead-Free Recommendation
Temperature Minimum:
Temperature Maximum:
Preheat Time:
Solder Pot Temperature:
Solder Dwell Time:
100
°
C
150
°
C
60-180 seconds
280
°
C Maximum
2-5 seconds
Time (Seconds)
Preheat Time
Dwell Time
Cooling Time
Soldering Parameters - Hand Soldering
Solder Iron Temperature: 350° C +/- 5°C
Heating Time: 5 seconds max.
© 2017 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 12/12/17
Gas Discharge Tubes
< 0.7 Max.
52.5 ± 1.5
[2.066 ± 0.059]
22.8
[0.898]
SL1011A and SL1411A Series
6±1
[0.236 ± 0.039]
Packaging Dimensions
For Axial Lead Items
Dimensions are in millimeters [and inches]
< 1.2 Max. Lead Bend
10 ± 0.5 Pitch
[0.394 ± 0.020]
Dimensions are in millimeters [and inches]
254.0 - 356.0
[10.0 - 14.0]
< 0.7 Max.
52.5 ± 1.5
[2.066 ± 0.059]
22.8
[0.898]
77.0 Max.
[3.03]
Direction of Feed
6±1
[0.236 ± 0.039]
10 ± 0.5 Pitch
[0.394 ± 0.020]
For 'SM' Type Surface Mount Items (SL1411A series only)
Dimensions are in millimeters [and inches]
Dimensions are in millimeters [and inches]
254.0 - 356.0
[10.0 - 14.0]
0.4 ± 0.05
[0.016 ± 0.002]
1.75 ± 0.1
[0.069 ± 0.004]
275.0
[10.83]
10x4 ± 0.1 = 40 ± 0.2
[10x0.157 ± 0.004 = 1.575 ± 0.008]
1.5 DIA. MAX.
[0.059]
4 ± 0.1
[0.157 ± 0.004]
76.0
[2.99]
100.0
[3.94]
25.0
[0.98]
77.0 Max.
8.5 ± 0.1
[0.335 ± 0.004]
[3.03]
7.5 ± 0.1
[0.295 ± 0.004]
16 +0.3 / -0.1
[0.630 +0.012 / -0.004]
1.5 DIA. MAX.
[0.059]
Direction of Feed
17.7
[0.697]
Direction of Feed
8.6 ± 0.1
[0.339 ± 0.004]
12 ± 0.1
[0.472 ± 0.004]
For 'C' Type Core Items: Packed in plastic bag (500 pcs)
© 2017 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 12/12/17
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