CG2-250MS Littelfuse Inc, CG2-250MS Datasheet - Page 4
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CG2-250MS
Manufacturer Part Number
CG2-250MS
Description
GAS DISCHARGE TUBE, 2P, 2.5KA, 725V
Manufacturer
Littelfuse Inc
Series
CG2r
Specifications of CG2-250MS
Suppressor Type
Gas Discharge Tube (GDT)
Dc Breakover Voltage
250V
Impulse Sparkover Voltage
625V
Gdt Case Style
SMD
Impulse Discharge Current
100A
Breakdown Voltage Min
213V
Rohs Compliant
Yes
Breakdown Voltage Vbr
250V
Impulse Discharge Current, 10/8-20us
20kA
Breakdown Voltage
288V
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Solder Iron Temperature: 350° C +/- 5°C
Heating Time: 5 seconds max.
CG/CG2 Series
Soldering Parameters - Reflow Soldering (Surface Mount Devices)
Reflow Condition
Pre Heat
Average ramp up rate (Liquidus Temp
(T
T
Reflow
Peak Temperature (T
Time within °C of actual peak
Temperature (t
Ramp-down Rate
Time 2 °C to peak Temperature (T
Do not exceed
Soldering Parameters - Wave Soldering (Thru-Hole Devices)
Soldering Parameters - Hand Soldering
300
280
260
240
220
200
180
160
140
120
100
S(max)
Time (Seconds)
80
60
40
20
L
0
) to peak
to T
L
- Ramp-up Rate
- Temperature Min (T
- Temperature Max (T
- Time (Min to Max) (t
- Temperature (T
- Temperature (t
p
)
Preheat Time
P
)
Gas Discharge Tube (GDT) Products
L
L
)
) (Liquidus)
s(min)
s(max)
s
)
P
Dwell Time
)
)
)
Pb – Free assembly
150°C
200°C
60 – 180 secs
3°C/second max
5°C/second max
217°C
60 – 150 seconds
260
10 – 30 seconds
6°C/second max
8 minutes Max.
260°C
Cooling Time
+0/-5
°C
Revised: November 10, 2009
30
Recommended Process Parameters:
CG/CG2 Series
Preheat:
(Depends on Flux Activation Temperature)
Solder Pot Temperature:
Solder Dwell Time:
Temperature Minimum:
Temperature Maximum:
Preheat Time:
T
T
25
Wave Parameter
T
T
Customer should verify actual device performance in their specific applications.
time to peak temperature
(t 25ºC to peak)
t
Preheat
Please refer to www.littelfuse.com for current information.
Specifications are subject to change without notice.
(Typical Industry Recommendation)
100
150
60-180 seconds
280
2-5 seconds
Ramp-up
Lead-Free Recommendation
°
°
°
C
C
C Maximum
t
t
Time
©2009 Littelfuse, Inc.
Critical Zone
Ramp-down
T
L
to T
P