PMT825004 Littelfuse Inc, PMT825004 Datasheet - Page 3

• Manufacturer Part Number: PMT825004
• Description: GP THREE ELEMENTS S.A. 250V T/H
• Manufacturer: Littelfuse Inc
• Series: PMT8r

Specifications of PMT825004

• Impulse Discharge Current: 20kA 8x20µs
• Spark Over Voltage: 250V
• Package / Case: Radial - 3 Lead
• Mounting Type: Through Hole
• Suppressor Type: Gas Discharge Tube (GDT)
• Dc Breakover Voltage: 250V
• Impulse Sparkover Voltage: 500V
• Gdt Case Style: 3 Terminal Through Hole
• Svhc: No SVHC (15-Dec-2010)
• Breakdown Voltage Vbr: 250V
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Tolerance: -
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant

SL1021A/B, SL1024A/B and PMT8 Series
Time vs. Current for Failsafe
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 5°C of actual peak
Temperature (t
Ramp-down Rate
Time 25°C to peak Temperature (T
Do not exceed
Soldering Parameters - Wave Soldering (Thru-Hole Devices)
300
280
260
2 0
220
200
180
160
1 0
120
100
S(max)
Time (Seconds)
60
30
20
15
14
13
12
10
80
60
20
11
L
0
9
8
7
6
5
4
3
2
1
0
0.5
) to peak
1
to T
2
L
- Ramp-up Rate
- Temperature Min (T
- Temperature Max (T
- Time (Min to Max) (t
- Temperature (T
- Temperature (t
5
p
)
SL102xA with Failsafe
SL102xB or PMT8 500 Volt Higher Melting Point Solder
SL102xB or PMT8 350 Volt Higher Melting Point Solder
SL102xB or PMT8 90 Volt Higher Melting Point Solder
Preheat Time
P
)
10
Gas Discharge Tube (GDT) Products
L
L
)
) (Liquidus)
15
s(min)
s(max)
s
)
P
Dwell Time
)
)
SL1021A/B, SL1024A/B and PMT8 Series
)
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: June 28, 2010
30
20
Solder Iron Temperature: 350° C +/- 5°C
Heating Time: 5 seconds max.
Recommended Process Parameters:
Note: Surge Arrestors with a Failsafe mechanism should be
individually examined after soldering
Preheat:
(Depends on Flux Activation Temperature)
Solder Pot Temperature:
Solder Dwell Time:
Voltage vs. Time Characteristic
Soldering Parameters - Hand Soldering
Temperature Minimum:
Temperature Maximum:
Preheat Time:
T
T
S(max)
S(min)
25
Wave Parameter
T
T
0
P
L
Customer should verify actual device performance in their specific applications.
time to peak temperature
200
(t 25ºC to peak)
t
Preheat
400
S
Please refer to www.littelfuse.com for current information.
Time (ns)
Specifications are subject to change without notice.
600
(Typical Industry Recommendation)
100
150
60-180 seconds
280
2-5 seconds
Ramp-up
Lead-Free Recommendation
Max dynamic breakover
voltage
°
°
°
Hold-over voltage
C
C
C Maximum
800
On-State voltage
t
t
P
L
1000
Time
©2010 Littelfuse, Inc.
Critical Zone
Ramp-down
1200
T
L
to T
P