V18RA8 Littelfuse Inc, V18RA8 Datasheet - Page 7

• Manufacturer Part Number: V18RA8
• Description: VARISTOR LOW PROFILE 14V 0.8J RA
• Manufacturer: Littelfuse Inc
• Series: RAr

Specifications of V18RA8

• Varistor Voltage: 18V
• Current-surge: 250A
• Number Of Circuits: 1
• Maximum Ac Volts: 10VAC
• Maximum Dc Volts: 14VDC
• Energy: 0.80J
• Package / Case: Radial
• Product: MOV
• Voltage Rating Dc: 14 V
• Voltage Rating Ac: 10 V
• Clamping Voltage: 42 V
• Peak Surge Current: 250 A
• Capacitance: 2000 pF
• Operating Temperature Range: - 55 C to + 125 C
• Mounting: Radial
• Dimensions: 8 mm Dia.
• Termination Style: Through Hole
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Contains lead / RoHS non-compliant

©2009 Littelfuse, Inc.
Specifications are subject to change without notice.
Please refer to www.littelfuse.com/series/ra.html for current information.
Operating/Storage
Temperature
Humidity Aging
Thermal Shock
Solvent Resistance
Moisture Sensitivity
Wave Solder Profile
Reflow Condition
Pre Heat
Average ramp–up rate (Liquidus Temp (TL)
to peak
TS(max) to TL - Ramp-up Rate
Reflow
Peak Temperature (TP)
Time within 5°C of actual peak
Temperature (tp)
Ramp-down Rate
Time 25°C to peak Temperature (TP)
Do not exceed
Environmental Specifications
- Temperature Min (Ts(min))
- Temperature Max (Ts(max))
- Time (min to max) (ts)
- Temperature (TL) (Liquidus)
- Temperature (tL)
-55°C to +125°C / -55°C to +150°C
+85°C, 85% RH, 1000 hours
+/-10% Voltage
+85°C to -40°C 10 times
+/-10% Voltage
MIL–STD–202, Method 215F
Level 1, J–STD–020C
Pb – Free assembly
150°C
200°C
60 – 180 secs
5°C/second max
5°C/second max
217°C
60 – 150 seconds
250+0/-5°C
20 – 40 seconds
5°C/second max
8 minutes Max.
260°C
Varistor Products
Low Profile / Application Specific Varistors > RA Series
Revision: November 11, 2009
199
Lead–free Profile
Non Lead–free Profile
Physical Specifications
Lead Material
Soldering
Characteristics
Insulating Material
Device Labeling
Figure 16
Figure 17
300
250
200
150
100
300
250
200
150
100
50
50
0
0
0
0
0.5
0.5
Tin–Coated Copper
Solderability per MIL–STD–202,
Method 208E
Cured, flame retardant epoxy polymer
meets UL94V–0 requirements.
Marked with LF , voltage, amperage rating,
and date code.
1
1
1.5
1.5
TIME(MINUTES)
TIME(MINUTES)
Maximum Wave 260C
2
2
Maximum Wave 240C
2.5
2.5
3
3
RA Varistor Series
3.5
3.5
4
4