CG5/SL0902A Series Datasheet by Littelfuse Inc.

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Gas Discharge Tubes
© 2018 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 12/14/18
CG5 and SL0902A Series
Description
Littelfuse Broadband Optimized SL0902A Series offers
high surge ratings in a miniature package. Special design
features provide high levels of protection against fast
rising transients in the 100V/μs to 1kV/μs range usually
caused by lightning disturbances. Low insertion loss is
perfectly suited to broadband equipment applications.
The capacitance does not vary with voltage, and will
not cause operational problems with ADSL2+, where
capacitance variation across Tip and Ring is undesirable.
These devices are extremely robust and are able to
divert a 2500A pulse without destruction. For AC
Power Cross of long duration, overcurrent protection is
recommended.
Littelfuse CG5 MS mini surge arresters are specifically
designed for protection of electrical and communication
equipment against over voltage transients in surface
mount assembly applications. This series offers the most
cutting edge protection using non-radioactive elements.
Features
RoHS compliant and
Lead-free
GHz working frequency
Excellent stability on
multiple pulse duty cycle
Excellent response to
fast rising transients.
Ultra Low Insertion Loss
5KA surge capability
tested with 8/20μS
pulse as defined by IEC
61000-4-5, 2nd edition
Ultra small devices
offered in a variety of
mounting lead forms
• Non-Radioactive
Low capacitance (<1pF)
Voltage Ranges 90V to
600V
UL Recognized
Conforms to ITU-T K12,
IEC 61000-4-5, 2nd
edition
Applications
2 Electrode GDT Graphical Symbol
Agency Approvals
AGENCY AGENCY FILE NUMBER
E128662
Communication
equipment
CATV equipment
Test equipment
Data lines
Power supplies
Telecom SLIC
protection
Broadband equipment
ADSL equipment,
including ADSL2+
XDSL equipment
Satellite and CATV
equipment
General telecom
equipment
CG5 and SL0902A Series
RoHS
Additional Information
Datasheet Samples
Resources
Samples
CG5 Series
CG5 Series CG5 Series
SL0902A
Resources
SL0902A
Datasheet
SL0902A
Samples
CG5 Series
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Gas Discharge Tubes
© 2018 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 12/14/18
CG5 and SL0902A Series
Part Number
Device Specifications (at 25°C) Life Ratings
DC Breakdown
in Volts
(@100V/s)
Impulse
Breakdown
in Volts
(@100V/µs)
Impulse
Breakdown
In Volts
(@1 Kv/µsec)
Insulation
Resistance Capaci-
tance
(@1MHz)
Surge
Life
(10/1000µs)
Nominal
Impulse
Discharge
Current
(8/20µs)
Nominal
AC
Discharge
Current
(10x1sec
@50-60Hz)
AC
Dischage
Current
(9 cycle @50Hz)
Max
Impulse
Discharge
Current
(1 Application
@ 10/350µs)
MIN TYP MAX MAX MIN MAX
SL0902A090
CG590 72 90 108 550 700 1010 Ω
(at 50V)
1.5 pf 300 shots
(@100A) 10 shots
(@5kA) 5 A 10 A 0.5kA
CG5145 116 145 174 550 650
1010 Ω
(at 100V)
CG5150 120 150 180 550
SL0902A230
CG5230 184 230 276 550 650
CG5250 200 250 300 600
CG5270* 216 270 324 650
SL0902A350
CG5350 280 350 420 800 900
CG5400 320 400 480 900
SL0902A420* 336 420 504 900 1000
CG5470 376 470 564 1000 1200
SL0902A600
CG5600 480 600 720 1350 1500
* - Particular component is not UL Recognized.
Product Characteristics
Materials
CG5xxxLS (Outline 500), CG5xxxxLTR
& CG5350L-03TR (Outline 502), and
CG5xxxL-02 (Outline 503): Device
Nickel Plated 2–5 Microns Wire Tin Plated
17.5±12.5 Microns Construction Ceramic
Insulator.
CG5xxx (Outline 501), and CG5xxxMS
& SL0902AxxxSM (Outline 505):
Device Tin Plated 17.5±12.5 Microns
Construction Ceramic Insulator.
Product Marking LF Logo, Voltage and date code
Glow to arc
transition current < 0.5Amps
Glow Voltage
140 Volts
Storage and
Operational
Temperature
-40 to +90
Electrical Characteristics
Voltage
(V)
Time (ns)
0 200 400 600 800 1000 120
0
Max dynamic breakover
voltage
Hold-over voltage
On-State voltage
Voltage vs. Time Characteristic
@ 1.0 GHz = 0.01 dB
@ 1.4GHz = 0.1 dB
@ 1.8 GHz = 0.53 dB
@ 2.1 GHz = 0.81 dB
@ 2.45 GHz= 1 dB
@ 2.8 GHz = 1.2 dB
@ 3.1 GHz = 1.5 dB
@ 3.5 GHz = 2.1 dB
Typical Insertion Loss
Gas Discharge Tubes
© 2018 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 12/14/18
CG5 and SL0902A Series
Device Dimensions
5.0 ± 0.2
0.80 DIA. TYP.
[0.024]
62 ± 2
[0.197 ± 0.008]
[2.441 ± 0.079]
PROFILE VIEW TOP VIEW
5.0 ± 0.2
[0.197 ± 0.008]
Outline 502 - CG5xxxLTR (also CG5350L-03TR, CG5600L-02)
5.0 ± 0.2
[0.197 ± 0.008]
PROFILE VIEW TOP VIEW
5.0 ± 0.15
[0.197 ± 0.006]
Outline 501 - CG5xxx
[0.209 ± 0.012]
5.30 ± 0.30
[0.197 ± 0.008]
5.00 ± 0.20
[0.016 ± 0.0012]
0.40 ± 0.03
0.004
2 Surfaces
[0.031]
0.80
[0.315 ± 0.012]
8.00 ± 0.30
[0.366 ± 0.012]
9.30 ± 0.30
[0.209 ± 0.012]
5.30 ± 0.30
5.00
± 0.20
[0.197 ± 0.008]
40° ± 3°
8.00
[0.315]
9.80
[0.386]
5.50
[0.216]
1.80
[0.071]
PROFILE VIEW
SOLDER PAD LAYOUT
TOP VIEW
Outline 500 - CG5xxxLS
5.0 ± 0.2
0.80 DIA. TYP.
[0.031]
6.3 ± 0.2
[0.197 ± 0.008]
5.0 ± 0.2
[0.197 ± 0.008]
3.0 ± 0.3
[0.118 ± 0.008]
[2.480 ± 0.079]
PROFILE VIEW TOP VIEW
Outline 503 - CG5xxxL-02 (except CG5600L-02, see Outline 502)
5.0 ± 0.2
[0.197 ± 0.008]
0.5 ± 0.1
[0.02 ± 0.004 ]
6.6 ± 0.2
[0.260 ± 0.008]
3.8
[0.15]
5.4 ± 0.15
[0.212 ± 0.006]
4.50
[0.18]
5.10
[0.2]
PROFILE VIEW TOP VIEW
SOLDER PAD LAYOUT
0.70
[0.028]
5.4 ± 0.15
[0.212 ± 0.006]
Outline 505 - CG5xxxMS and SL0902AxxxSM
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Gas Discharge Tubes
© 2018 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 12/14/18
CG5 and SL0902A Series
Note: These devices are not recommended for IR
or Convection Reflow process.
Reflow Condition Pb – Free assembly
Pre Heat
- Temperature Min (Ts(min))150°C
- Temperature Max (Ts(max))200°C
- Time (Min to Max) (ts)60 – 180 secs
Average ramp up rate (Liquidus Temp
(TL) to peak 3°C/second max
TS(max) to TL - Ramp-up Rate 5°C/second max
Reflow - Temperature (TL) (Liquidus) 217°C
- Temperature (tL)60 – 150 seconds
Peak Temperature (TP)260+0/-5 °C
Time within 5°C of actual peak
Temperature (tp)10 – 30 seconds
Ramp-down Rate 6°C/second max
Time 25°C to peak Temperature (TP)8 minutes Max.
Do not exceed 260°C
Soldering Parameters - Reflow Soldering (Surface Mount Devices)
Time
Temperature
TP
TL
TS(max)
TS(min)
25
tP
tL
tS
time to peak temperature
(t 25ºC to peak)
Ramp-down
Ramp-up
Preheat
Critical Zone
TL to TP
Soldering Parameters - Wave Soldering (Thru-Hole Devices)
Soldering Parameters - Hand Soldering
Dwell Time
0
20
40
60
80
100
120
140
160
180
200
220
240
260
280
300
0
10
20
30
40
50
60
70
80
90
100
110
120
130
140
150
160
170
180
190
200
210
220
230
240
Time (Seconds)
Temperature (°C) - Measured on bottom side of board
Cooling Time
Preheat Time
Wave Parameter Lead-Free Recommendation
Preheat:
(Depends on Flux Activation Temperature) (Typical Industry Recommendation)
Temperature Minimum: 100° C
Temperature Maximum: 150° C
Preheat Time: 60-180 seconds
Solder Pot Temperature: 280° C Maximum
Solder Dwell Time: 2-5 seconds
Recommended Process Parameters:
Solder Iron Temperature: 350° C +/- 5°C
Heating Time: 5 seconds max.
SLOSOZA xxx SM j 3%
Gas Discharge Tubes
© 2018 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 12/14/18
CG5 and SL0902A Series
Part Numbering System and Ordering Information
CG5 xxx L TR
Breakdown V
oltage
90 = 90V
145 = 145V
150 = 150V
230 = 230V
250 = 250V
270 = 270V
350 = 350V
400 = 400V
470 = 470V
600 = 600V
Series
CG5
Lead Option Code
(Blank) = Core Device (No Leads)
L = Straight Leads
LS = Shaped Leads
MS = Surface Mount
Packaging Option Code
(Blank) = Bulk (Applies to Core Devices Only)
TR = Tape & Reel
SL0902A xxx SM
Breakdown Voltage
090 = 90V
230 = 230V
350 = 350V
420 = 420V
600 = 600V
Series
SL0902A
Lead Option Code
SM = Surface Mount
(Packaging Option Code is not applicable for SL0902A)
Packaging
Part Number and Device Type Device Dimensions Reference Quantity and Packaging
Description
CG5xxx Core Outline 501 1000pcs/bag in bulk packaging
CG5xxxLS Shaped Leads Outline 500 900pcs/reel in carrier and tape*
CG5xxxLTR
CG5xxxL-03TR** Straight Axial Leads Outline 502 1000pcs/reel in tape and reel*
CG5xxxL-02** Bent Radial Leads Outline 503 50pcs/tray in tray and cover
CG5xxxMS
SL0902AxxxSM Surface mount Outline 505 900pcs/reel in carrier and tape*
* For tape specifications and dimensions, please contact factory.
** Special order items not available for general sale. Please contact Littelfuse for details.
Surface Mount Device Orientation
Note: Surface Mount device orientation on carrier tape as shown below
Disclaimer Notice - Information furnished is believed to be accurate and reliable. However, users should independently evaluate the suitability of and
test each product selected for their own applications. Littelfuse products are not designed for, and may not be used in, all applications. Read complete
Disclaimer Notice at: www.littelfuse.com/disclaimer-electronics.

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