CG590L

©2010 Littelfuse, Inc.

Gas Discharge Tube (GDT) Products

16

Revised: July 6, 2010

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

Pb – Free assembly

Pre Heat

- Temperature Min (T

s(min)

)

150°C 

- Temperature Max (T

s(max)

)

200°C

- Time (Min to Max) (t

s

)

60 – 180 secs

Average ramp up rate (Liquidus Temp 
(T

L

) to peak

3°C/second max

T

S(max)

 to T

L

 - Ramp-up Rate

5°C/second max

Reflow

- Temperature (T

L

) (Liquidus)

217°C 

- Temperature (t

L

)

60 – 150 seconds

Peak Temperature (T

P

)

260

+0/-5

 °C

Time within 5°C of actual peak 
Temperature (t

p

)

10 – 30 seconds

Ramp-down Rate

6°C/second max

Time 25°C to peak Temperature (T

P

)

8 minutes Max.

Do not exceed

260°C

Soldering Parameters - Reflow Soldering (Surface Mount Devices)

Time

Te

mperatur

e

T

P

T

L

T

S(max)

T

S(min)

25

t

P

t

L

t

S

time to peak temperature

(t 25ºC to peak)

Ramp-down

Ramp-up

Preheat

Critical Zone

T

L

 to T

P

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

10

0

11

0

12

0

13

0

14

0

15

0

16

0

17

0

18

0

19

0

20

0

21

0

22

0

23

0

24

0

Time (Seconds)

Te

m

pe

ra

tu

re

 (°

C

) -

 M

ea

su

re

on

 b

ot

to

m

 s

id

of

 b

oa

rd

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.

CG590L Datasheet Related Products:
CG590L Information:
Part No.
CG590L
Description
SURGE ARRESTER GDT 90V AXIAL
File Size
1003608 bytes
Page Size
612 x 792 pts (letter)
All Pages
5
Manufacturer
Littelfuse
Homepage
http://www.littelfuse.com/
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