High voltage surge capabilities Compliance K.20/K.21 specifications Ag
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FUSES SICHERUNGEN Resettable fuses Wire leaded PTC-Fuses Type PFRT
High voltage surge capabilities Compliance K.20/K.21 specifications Agency recognition: CSA,
Typical Time Trip
PFRT
Time trip
PFRT.018.250.U
0.10
PFRT.014.250 PFRT.014.250.U PFRT.012.250 PFRT.012.250.U PFRT.011.250.U PFRT.008.250 PFRT.008.250.U
0.01
Fault current
Dimensions
Typical Part Marking Layout vary
Manufacturer's Trademark Part identification
Date code (First digit Last digit year; next three digits year)
Restance Taiwan, Xiamen)
Applications
Used secondary overcurrent protection device Customer Premise Equipment (CPE) Central Office (CO) Subscriber Line Interface Cards (SLIC)
Environmental Characteristics Operating/Storage Temperature Einsatz/Lagertemp. Maximum Device Surface Temperature Tripped State Passive Aging passive Alterung Humidity Aging Feuchtigkeitsalterung Thermal Shock Thermischer Schock Solvent Resistance Lead Solerability Flammability Entflammbarkeit Vibration
1000 hours Std. 1000 hours Std. R.H. hours Std. MIL-STD-202F, Method 107G +125 °C/-55 times Zyklen MIL-STD-202, Method 215B ANSI/J-STD-002 695-2-2 MIL-STD-883C, Method 2007.1, Condition typ. resist. change typ. resist. change typ. resist. change ±10% typ. resist. change ±15% typ. resist. change change Flame sec. change
Test Procedures Requirements Model PFRT Series Test Test Test Conditions Bedingungen Visual/Mech. visuell/mech. Verify dimensions materials Kontrolle Abmess./Mat. Resistance Widerstand still ruhiger Luft Time Trip Trip-Zeit times Ihold, Vmax 5-facher Haltestrom Hold Current Haltestrom min. Ihold Haltestrom Trip Cycle Life Trip-Zyklen Vmax, Imax, cycles Zyklen Trip Endurance Zeit Tripzustand Vmax, hours Stunden
Accept/Reject Criteria physical description Rmin Rmax max. time trip (sec.) trip arcing burning arcing burning
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FUSES SICHERUNGEN Resettable fuses
Electrical Characteristics Type Max. Oper. Voltage Max. Interrupt Ratings Hold Current Initial Resistance
PFRT
Hour Post-Trip Resistance
Volts
Volts max.
Amps max. 10.0
PFRT.008.250.U PFRT.008.250 PFRT.011.250.U PFRT.012.250 PFRT.012.250.U PFRT.014.250 PFRT.014.250.U PFRT.018.250.U
Amps 0.08 0.08 0.11 0.12 0.12 0.14 0.14 0.18
Ohms Ohms min. max. 14.0 20.0 15.0 22.0 10.0
Ohms 33.0 33.0 16.0 16.0 16.0 12.0 12.0
Dimensions
Type PFRT.008.250.U PFRT.008.250 PFRT.011.250.U PFRT.012.250 PFRT.012.250.U PFRT.014.250 PFRT.014.250.U PFRT.018.250.U max. (0.189) (0.209) (0.209) (0.256) (0.236) (0.256) (0.236) (0.236) max. (0.358) (0.366) (0.370) 11.0 (0.433) 10.0 (0.394) 11.0 (0.433) 10.0 (0.394) 10.0 (0.394) max. (0.201 0.028) (0.201 0.028) (0.201 0.028) (0.201 0.028) (0.201 0.028) (0.201 0.028) (0.201 0.028) (0.201 0.028) nom. (0.185) (0.185) (0.185) (0.185) (0.185) (0.185) (0.185) (0.185) nom. (0.197) (0.197) (0.197) (0.197) (0.197) (0.197) (0.197) (0.197) Physical Characteristics Style Lead Dia. Material 0.65 Sn/Cu (0.026) 0.65 Sn/Cu (0.026) 0.65 Sn/Cu (0.026) 0.65 Sn/Cu (0.026) 0.65 Sn/Cu (0.026) 0.65 Sn/Cu (0.026) 0.65 Sn/Cu (0.026) 0.65 Sn/Cu (0.026) Dimensions mm/inches
Packaging options: Bulk: pcs. bag, Tape reel: 3000 pcs. reel
Order
PTC-Fuse Series Radial Leaded Telecom Component Hold Current, Ihold 008-018 (0.08-018 Amps) Max. Interrupt Voltage, (250 Resistance Sorted 7-12 6-10 8-10,5 Bare Disc Uncoated Parts Bulk Packaging Tape Reel
.xxx .xxx
Thermal Derating Chart-Ihold (Amps) Type PFRT.008.250 PFRT.011.250 PFRT.012.250 PFRT.014.250 PFRT.018.250 Ambient Operating Temperature 0.124 0.110 0.095 0.171 0.151 0.131 0.186 0.165 0.143 0.255 0.199 0.172 0.269 0.240 0.211 0.080 0.110 0.120 0.145 0.180 0.066 0.091 0.099 0.119 0.153 0.059 0.081 0.088 0.106 0.138 0.051 0.071 0.077 0.091 0.123 0.044 0.061 0.066 0.080 0.109 0.033 0.046 0.050 0.060 0.087
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