CG2470SN Littelfuse Inc, CG2470SN Datasheet - Page 4

• Manufacturer Part Number: CG2470SN
• Description: SURGE ARRESTER GDT 470V SMD
• Manufacturer: Littelfuse Inc
• Series: CG2r

Specifications of CG2470SN

• Spark Over Voltage: 470V
• Impulse Discharge Current: 20kA 8x20µs
• Package / Case: Non-Standard SMD
• Mounting Type: Surface Mount
• Impulse Discharge Current (typ)@8/20us@10times: 10
• Number Of Electrodes: 2
• Dc Sparkover Voltage (typ)@100v/s: 470
• Dc Holdover Voltage (max): 135@150ms
• Impulse Sparkover Voltage (max)@1kv/s: 1200
• Impulse Sparkover Voltage (max)@100v/s: 850
• Failsafe Protection: No
• Termination Style: Solder
• Mounting Style: Surface Mount
• Number Of Terminals: 2
• Product Length (mm): 6.07mm
• Product Depth (mm): 8.1mm
• Product Height (mm): 8.1mm
• Capacitance (max)@1mhz: 1.5
• Operating Temperature Min Deg. C: -40C
• Operating Temperature Max Deg. C: 90C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Tolerance: -
• Lead Free Status / RoHS Status: Supplier Unconfirmed, 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