CG37.5L Littelfuse Inc, CG37.5L Datasheet - Page 2

• Manufacturer Part Number: CG37.5L
• Description: SURGE ARRESTER GDT 7500V AXIAL
• Manufacturer: Littelfuse Inc
• Series: CG3r

Specifications of CG37.5L

• Spark Over Voltage: 7500V
• Impulse Discharge Current: 5.0kA 8x20µs
• Package / Case: Axial
• Mounting Type: Through Hole
• Peak Pulse Current: 10 A
• Dc Breakover Voltage (nominal): 7.5 KV
• Number Of Electrodes: 2
• Termination Style: Axial
• Failsafe Protection Y/n: N
• Dimensions: 8.1 mm D x 6.07 mm L
• Mounting Style: Through Hole
• Technology: Gas Plasma Arrester
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Tolerance: -
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant
• Other names: 420-1088; 420-1088; CG3-7.5L; F2746

NOTES:
1. Refer to Production Dimensions section, outline A devices
2. Refer to Production Dimensions section, outline B devices
3. Tested to UL1449 Third Edition -- 120V r.ms. for AC120, 230V r.m.s. all others.
Conducted with suitable MOV connected in series.
4. 10 x [5(+) and 5(-)] applications 5kA @ 8/20µs
5. 1 x [1(+) and 1(-)] application 10kA @ 8/20µs
6. CG3 7 .5 product UL approval is currently pending
7 . When ordering this item, use suffix code D004 when entering the part number.
The older product version without D004 suffix code has been discontinued.
Refer to Part Numbering System section for additional information.
AC and CG3 Series
AC120
AC240
CG3 1.0
CG3 1.1
CG3 1.2
CG3 1.3
CG3 1.5
CG3 2.0
CG3 2.5
CG3 2.7
CG3 3.0
CG3 3.3
CG3 4.0
CG3 4.5
CG3 5.0
CG3 6.2
CG3 6.5
CG3 7.5
Electrical Characteristics
Number
Part
1
1
1
1
1
1
1
1
1
1
1
1
2
2
2
2,7
2,7
2,6,7
A
A
A
A
A
A
A
A
A
A
A
A
B
B
B
B
B
B
1040 1300 1560
1200 1500 1800
1600 2000 2400
2000 2500 3000
2160 2700 3240
2400 3000 3600
2640 3300 3960
3200 4000 4800
3600 4500 5400
4000 5000 6000
4960 6200 7440
5200 6500 7800
6000 7500 9000
MIN
230
480
800 1000 1200
880 1100 1320
960 1200 1440
DC Breakdown
in Volts
(@100V/s)
TYP
285
600
Gas Discharge Tube (GDT) Products
MAX
340
720
Device Specifications (at 25°C)
Impulse
(@100V/µs)
in Volts
Break-
10000
down
MAX
1100
1400
1600
1700
1800
1800
2500
3200
3600
4000
4600
5800
6150
7500
8100
9500
500
(@1 Kv/µsec)
Impulse
down In
Break-
10000
10600
Volts
1200
1500
1700
1800
1900
2000
2750
3500
4000
4200
4700
6000
6500
8000
9500
550
Resistance
Insulation
(at 100V)
(at 100V)
10 GΩ
10 GΩ
MIN
Revised: January 21, 2011
AC and CG3 Series
14
Capaci-
<1.5 pf
<1.5 pf
(@1MHz)
tance
MAX
Product Characteristics
Materials
Product Marking
Glow to arc
transition current
Glow Voltage
Storage and
Operational
Temperature
@1Amp Min
Voltage
~ 25 V
~ 25 V
(on state
Voltage)
TYP
Arc
Customer should verify actual device performance in their specific applications.
Current
Follow
Amps
Amps
Max
200
200
On
3
Core Outline A & B items:
Device: Tin Plated 17 .5±12.5 Microns
Axial Outline A items:
Device: Nickel Plated 2–5 Microns
Wire: Tin Plated 17 .5±12.5 Microns
Axial Outline B items:
Device & Wire: Tin Plated 17 .5±12.5 Microns
LF Logo, Voltage and date code;
Black ink positive print
< 0.5Amps
~ 140 Volts
-40 to +90
Discharge
Nominal
Current
@50-60Hz)
(10x1sec
N/A
5 A
AC
Please refer to www.littelfuse.com for current information.
Specifications are subject to change without notice.
Life Ratings
Discharge
Current
(1 x 50Hz
9 cycles)
65 A
N/A
AC
Discharge
Nominal
10 shots
10 shots
Current
Impulse
(@8/20µs)
5kA
5kA
©2010 Littelfuse, Inc.
4
Current
(@8/20µs)
Surge
1 shot
1 shot
10kA
10kA
Max
5