© 2020 Littelfuse, Inc.

Specifications are subject to change without notice.

Revised: GD. 11/24/20

CG5 and SL0902A Series

Gas Discharge Tubes

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

Time (ns)

0

200

400

600

800

1000

1200

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