©2008 Littelfuse, Inc.

Revised: August 11, 2009

Gas Plasma Arrester (GDT) Products

AC and CG3 Series

AC and CG3 Series

Specifications are subject to change without notice.

Refer to www.littelfuse.com/series/AC.html or /CG3.html for current information.

Electrical Characteristics

Part

Number

Device Specifications (at 25°C)

DC Breakdown

in Volts

(@100V/s)

Impulse

Break-

down

in Volts

(@100V/μs)

Impulse

Break-

down In

Volts

(@1 Kv/μsec)

Insulation

Resistance

Capaci-

tance

Arc

Voltage

(on state

Voltage)

Max

Follow

On

Nominal

AC

Discharge

Current

(10x1sec

AC

Discharge

Current

9 cycles)

Nominal

Impulse

Discharge

(@8/20μs)

Max

Surge

(@8/20μs)

MIN

TYP

MAX

MAX

MIN

MAX

TYP

AC120

230 285 340

500

550

10 GΩ

(at 100V) <1.5 pf ~ 25 V

200

Amps

5 A

65 A

10 shots

5kA

1 shot

10kA

AC240

480 600 720

1100

1200

800 1000 1200

1400

1500

10 GΩ

(at 100V) <1.5 pf ~ 25 V

200

Amps

N/A

N/A

10 shots

5kA

1 shot

10kA

880 1100 1320

1600

1700

960 1200 1440

1700

1800

1800

1900

1800

2000

2500

2750

3200

3500

3600

4000

4000

4200

4600

4700

5800

6000

6150

6500

7500

8000

8100

9500

9500

10000

10000

10600

3. Tested to UL1449 Third Edition -- 120V r.ms. for AC120, 230V r.m.s. all others.

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

Product Characteristics

Materials

Core Outline A & B items:

Axial Outline A items:

Axial Outline B items:

Product Marking

Glow to arc

transition current

Glow Voltage

~ 140 Volts

Storage and

Operational

Temperature

-40 to +90