©2012 Littelfuse, Inc.
Gas Discharge Tube (GDT) Products
7
Revised: June 6, 2012
Specifications are subject to change without notice.
Please refer to www.littelfuse.com for current information.
Customer should verify actual device performance in their specific applications.
CG5 and SL0902A Series
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
t3P)4DPNQMJBOUBOE
Lead-free
t()[XPSLJOHGSFRVFODZ
t&YDFMMFOUTUBCJMJUZPO
multiple pulse duty cycle
t&YDFMMFOUSFTQPOTFUP
fast rising transients.
t6MUSB-PX*OTFSUJPO-PTT
t,"TVSHFDBQBCJMJUZ
tested with 8/20μS
QVMTFBTEFmOFECZ*&$
61000-4-5
t6MUSBTNBMMEFWJDFT
offered in a variety of
mounting lead forms
t/PO3BEJPBDUJWF
t-PXDBQBDJUBODFQ'
t7PMUBHF3BOHFT7UP
600V
t6-SFDPHOJ[FE
t$POGPSNTUP*565,
*&$
Applications
CG5 and SL0902A Series
2 Electrode GDT Graphical Symbol
Agency Approvals
AGENCY AGENCY FILE NUMBER
E128662
t Communication
equipment
t$"57FRVJQNFOU
t5FTUFRVJQNFOU
t%BUBMJOFT
t1PXFSTVQQMJFT
t5FMFDPN4-*$
protection
t#SPBECBOEFRVJQNFOU
t"%4-FRVJQNFOU
including ADSL2+
t9%4-FRVJQNFOU
t4BUFMMJUFBOE$"57
equipment
t(FOFSBMUFMFDPN
equipment
©2012 Littelfuse, Inc.
Gas Discharge Tube (GDT) Products
8
Revised: June 6, 2012 Specifications are subject to change without notice.
Please refer to www.littelfuse.com for current information.
Customer should verify actual device performance in their specific applications.
CG5 and SL0902A Series
CG5 and SL0902A Series
Part Number
Device SpecificationsBU¡$ Life Ratings
DC Breakdown
in Volts
!7T
Impulse
Breakdown
in Volts
!7T
Impulse
Breakdown
In Volts
!,WTFD
Insulation
Resistance
Capaci-
tance
!.)[
Surge
Life
T
Nominal
Impulse
Discharge
Current
T
Nominal
AC
Discharge
Current
YTFD
!)[
AC
Dischage
Current
DZDMF!)[
Max
Impulse
Discharge
Current
"QQMJDBUJPO
!T
MIN TYP MAX MAX MIN MAX
SL0902A090
CG590 72 90 108 550 700 1010ȍ
(at 50V)
1.5 pf 300 shots
(@100A) 10 shots
(@5kA) 5 A 10 A 0.5kA
CG5145 116 145 174 550 650
1010ȍ
(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
CG5550 440 550 660 1350
SL0902A600
CG5600 480 600 720 1350 1500
Product Characteristics
Materials
CG5xxxLS (Outline 500), CG5xxxxLTR
& CG5350L-03TR (Outline 502), and
CG5xxxL-02 (Outline 503): Device
/JDLFM1MBUFEo.JDSPOT8JSF5JO1MBUFE
17.5±12.5 Microns Construction Ceramic
*OTVMBUPS
CG5xxx (Outline 501), and CG5xxxMS
& SL0902AxxxSM (Outline 505):
Device Tin Plated 17.5±12.5 Microns
$POTUSVDUJPO$FSBNJD*OTVMBUPS
Product Marking LF Logo, Voltage and date code
Glow to arc
transition current "NQT
Glow Voltage
140 Volts
Storage and
Operational
Temperature
-40 to +90
Electrical Characteristics
Voltage
(V)
Time (ns)
0 200 400 600 800 1000 1200
Max dynamic breakover
voltage
Hold-over voltage
On-State voltage
Voltage vs. Time Characteristic
!()[E#
!()[E#
!()[E#
!()[E#
!()[E#
!()[E#
!()[E#
!()[E#
Typical Insertion Loss
©2012 Littelfuse, Inc.
Gas Discharge Tube (GDT) Products
9
Revised: June 6, 2012
Specifications are subject to change without notice.
Please refer to www.littelfuse.com for current information.
Customer should verify actual device performance in their specific applications.
CG5 and SL0902A Series
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BMTP$(-53$(-
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 ± 2
[0.197 ± 0.008]
5.0 ± 0.2
[0.197 ± 0.00
8
3.0 ± 0.2
[0.118 ± 0.008]
[2.480 ± 0.079]
PROFILE VIEW TOP VIEW
Outline 503 - CG5xxxL-02FYDFQU$(-TFF0VUMJOF
5.0 ± 0.2
[0.197 ± 0.008]
0.5 ± 0.1
[0.02 ± 0.004 ]
6.6 ± 0.2
[0.260 ± 0.008]
3.8
[0.15]
5.4 ± 0.15
[0.212 ± 0.006]
4.50
[0.18]
5.10
[0.2]
PROFILE VIEW TOP VIEW
SOLDER PAD LAYOUT
0.70
[0.028]
5.4 ± 0.15
[0.212 ± 0.006]
Outline 505 - CG5xxxMS and SL0902AxxxSM
©2012 Littelfuse, Inc.
Gas Discharge Tube (GDT) Products
10
Revised: June 6, 2012 Specifications are subject to change without notice.
Please refer to www.littelfuse.com for current information.
Customer should verify actual device performance in their specific applications.
CG5 and SL0902A Series
CG5 and SL0902A Series
Note: These devices are not recommended for IR
or Convection Reflow process.
Reflow Condition 1Co'SFFBTTFNCMZ
Pre Heat
- Temperature Min (Ts(min))¡$
- Temperature Max (Ts(max))¡$
- Time (Min to Max) (ts)oTFDT
Average ramp up rate (Liquidus Temp
(TL) to peak ¡$TFDPOENBY
TS(max) to TL - Ramp-up Rate ¡$TFDPOENBY
Reflow - Temperature (TL) (Liquidus) ¡$
- Temperature (tL)oTFDPOET
Peak Temperature (TP)260+0/-5¡$
Time within 5°C of actual peak
Temperature (tp)oTFDPOET
Ramp-down Rate ¡$TFDPOENBY
Time 25°C to peak Temperature (TP)8 minutes Max.
Do not exceed ¡$
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:
%FQFOETPO'MVY"DUJWBUJPO5FNQFSBUVSF 5ZQJDBM*OEVTUSZ3FDPNNFOEBUJPO
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:
4PMEFS*SPO5FNQFSBUVSF¡$¡$
)FBUJOH5JNFTFDPOETNBY
©2012 Littelfuse, Inc.
Gas Discharge Tube (GDT) Products
11
Revised: June 6, 2012
Specifications are subject to change without notice.
Please refer to www.littelfuse.com for current information.
Customer should verify actual device performance in their specific applications.
CG5 and SL0902A Series
CG5 and SL0902A Series
Part Numbering System and Ordering Information
CG5 xxx L TR
Breakdown Voltage
90 = 90V
230 = 230V
350 = 350V
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
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
$(YYY-53 Straight Axial Leads Outline 502 1000pcs/reel in tape and reel*
CG5xxxL-02** Bent Radial Leads 0VUMJOF 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.