FUSES / SICHERUNGEN PFRA
Resettable fuses
www.schurter.com
23
Test Procedures And Requirements For Model PFRA Series
Test / Test Test Conditions / Bedingungen Accept/Reject Criteria
Visual/Mech. / visuell/mech. Verify dimensions and materials / Kontrolle Abmess./Mat. Per PF physical description
Resistance / Widerstand In still air @ 23 °C / bei ruhiger Luft Rmin
≤ R ≤ Rmax
Time to Trip / Trip-Zeit At spezified current Vmax, 23 °C / unter spez. Strom T ≤ max. time to trip (sec.)
Hold Current / Haltestrom 30 min. at Ihold
/ bei Haltestrom No trip
Trip Cycle Life / Trip-Zyklen Vmax, Imax, 100 cycles / Zyklen No arcing or burning
Trip Endurance / Zeit im Tripzustand Vmax, 48 hours / Stunden No arcing or burning
Environmental Characteristics
Operating/Storage Temperature / Einsatz/Lagertemp. –40 °C to +85 °C
Maximum Device Surface Temperature in Tripped State / 125 °C
Passive Aging / passive Alterung +85 °C, 1000 hours / Std. ±5% typ. resist. change
Humidity Aging / Feuchtigkeitsalterung +85 °C, 85% R.H. 1000 hours / Std.±5% typ. resist. change
Thermal Shock*) / Thermischer Schock +85 °C/–40 °C 10 times / Zyklen ±10% typ. resist. change
Mechanical Shock / Mechanischer Schock MIL-STD-202, Method 213, No resistance change
Condition 1
(100 g, 6 sec. )
Solvent Resistance / Lösungsmittel-Beständigkeit MIL-STD-202, Method 215 No change
Vibration MIL-STD-883C, Method 2007.1, No change
Condition A
*) MIL-STD-202F, Method 107G
Wire leaded
PTC-Fuses
Type PFRA
Cured, flame r etar dant epoxy
Polymer insulating material
meets UL 94V-0
requirements
Bulk packaging, tape and
reel and Ammo-Pack avai-
lable on most models
Agency recognition:
**UL, CSA, TÜV
Typical Time to Trip at 23 ˚C
100
10
1
0.1
0.01
0.001
110 100
0.1
PFRA.010
PFRA.017
PFRA.110
PFRA.250,
250-0-010
PFRA.500
PFRA.135
PFRA.300
PFRA.400
PFRA.600
PFRA.700
PFRA.800
PFRA.900
PFRA.160
PFRA.185
PFRA.020
PFRA.025
PFRA.030
PFRA.040
PFRA.050
PFRA.065
PFRA.075
PFRA.090
PFRA.090
-0-009
PFRA.1100
Time to trip (s)
Fault current (A)
Applications
Almost anywhere there is a
low voltage power supply
and a load to be protected,
including:
•Computers and peripherals
•Transformer for toys
•Motors/fans
Typical Part Marking
PFRA.030–900
Layout may vary
RA250
6180T
Manufacturer’s
Trademark Part identification
Lot No (T = Taiwan)
Date Code (Last Digit of Year and Julian Date)
Kinked lead options available for board standoff
** PFRA.010–050 rated at 30 V
**
Package
1 2
AE
B
D
C
AE
B
D
C
Typical Part Marking
PFRA.010–025
Layout may vary
RA250
8 H
Manufacturer’s
Trademark Part identification
Date code week 1 of 1998 = 8 A (year and week)
week 27 of 1998 = A 8 (week and year)
50 75 100
FUSES / SICHERUNGEN PFRA
Resettable fuses
www.schurter.com
24
Type / Typ Vmax Imax Ihold Itrip Initial 1 Hour (R1) Post- Max. Time Tripped Power
Resistance / Trip Resistance / to trip at 23 °C / Dissipation
Amperes at/ Ohms at 23 °C Ohms at 23 °C Seconds at 23 °C/ Watts at 23 °C
VAHold Trip min. max. R1 max.
PFRA.010.X 60 40 0.10 0.20 2.50 4.50 7.50 4.0 0.38
PFRA.017.X 60 40 0.17 0.34 3.30 5.21 8.00 3.0 0.48
PFRA.020.X 60 40 0.20 0.40 1.50 2.84 4.40 2.2 0.40
PFRA.025.X 60 40 0.25 0.50 1.00 1.95 3.00 2.5 0.45
PFRA.030.X 60 40 0.30 0.60 0.76 1.36 2.10 3.0 0.50
PFRA.040.X 60 40 0.40 0.80 0.52 0.86 1.29 3.8 0.55
PFRA.050.X 60 40 0.50 1.00 0.41 0.77 1.17 4.0 0.75
PFRA.065.X 60 40 0.65 1.30 0.27 0.48 0.72 5.3 0.90
PFRA.075.X 60 40 0.75 1.50 0.18 0.40 0.60 6.3 0.90
PFRA.090.X 60 40 0.90 1.80 0.14 0.31 0.47 7.2 1.00
PFRA.090.X.009 30 40 0.90 1.80 0.07 0.12 0.22 5.9 0.60
PFRA.110.X 30 40 1.10 2.20 0.10 0.18 0.27 6.6 0.70
PFRA.135.X 30 40 1.35 2.70 0.065 0.115 0.17 7.3 0.80
PFRA.160.X 30 40 1.60 3.20 0.055 0.105 0.15 8.0 0.90
PFRA.185.X 30 40 1.85 3.70 0.04 0.07 0.11 8.7 1.00
PFRA.250.X 30 40 2.50 5.00 0.025 0.048 0.07 10.3 1.20
PFRA.250.X.010 30 40 2.50 5.00 0.020 0.05 0.08 10.3 1.20
PFRA.300.X 30 40 3.00 6.00 0.02 0.05 0.08 10.8 2.00
PFRA.400.X 30 40 4.00 8.00 0.01 0.03 0.05 12.7 2.50
PFRA.500 30 40 5.00 10.00 0.01 0.03 0.05 14.5 3.00
PFRA.600 30 40 6.00 12.00 0.005 0.02 0.04 16.0 3.50
PFRA.700 30 40 7.00 14.00 0.005 0.02 0.03 17.5 3.80
PFRA.800 30 40 8.00 16.00 0.005 0.02 0.03 18.8 4.00
PFRA.900 30 40 9.00 18.00 0.005 0.01 0.02 20.0 4.20
PFRA.1100 16 100 11.00 22.00 0.003 0.01 0.014 20.0 4.50
Electrical Characteristics
Packaging
Bulk / Lose: 500 per bag
(leave.X space)
Tape and reel / Gegurtet: PFRA.010–PFRA.160 –12.7 mm device pitch = 3000 pcs. per reel ;
X=.2 PFRA.185–PFRA.400 – 25.4 mm device pitch = 1500 pcs. per reel
PFRA.090.X.009 & PFR.A250.X.010 = 3000 pcs. per reel
Ammo Pack / Ammo-Verp.: PFRA.010–PFRA.160 – 12.7mm device pitch = 2000 pcs. per reel ;
X=.3 PFRA.185–PFRA.400 – 25.4mm device pitch = 1000 pcs. per reel ;
PFRA.090.X.009 & PFRA.250.X.010 = 2000 pcs. per reel
AB C D E
Type / Typ max. max. nominal Tol. ± min. max. Style / Lead / Material
PFRA.010.X 7.4 12.7 5.1 0.7 7.6 3.1 1 0.51 dia./ ØSn/NiCu
PFRA.017.X 7.4 12.7 5.1 0.7 7.6 3.1 1 0.51 dia./ ØSn/NiCu
PFRA.020.X 7.4 12.7 5.1 0.7 7.6 3.1 1 0.51 dia./ ØSn/CuFe
PFRA.025.X 7.4 12.7 5.1 0.7 7.6 3.1 1 0.51 dia./ ØSn/CuFe
PFRA.030.X 7.4 13.4 5.1 0.7 7.6 3.1 1 0.51 dia./ ØSn/CuFe
PFRA.040.X 7.4 13.7 5.1 0.7 7.6 3.1 1 0.51 dia./ ØSn/CuFe
PFRA.050.X 7.9 13.7 5.1 0.7 7.6 3.1 1 0.51 dia./ ØSn/Cu
PFRA.065.X 9.7 15.2 5.1 0.7 7.6 3.1 1 0.51 dia./ ØSn/Cu
PFRA.075.X 10.4 16.0 5.1 0.7 7.6 3.1 1 0.51 dia./ ØSn/Cu
PFRA.090.X 11.7 16.7 5.1 0.7 7.6 3.1 1 0.51 dia./ ØSn/Cu
PFRA.090.X.009 7.4 12.2 5.1 0.7 7.6 3.0 2 0.51 dia./ ØSn/Cu
PFRA.110.X 8.9 14.0 5.1 0.7 7.6 3.0 1 0.51 dia./ ØSn/Cu
PFRA.135.X 8.9 18.9 5.1 0.7 7.6 3.0 1 0.51 dia./ ØSn/Cu
PFRA.160.X 10.2 16.8 5.1 0.7 7.6 3.0 1 0.51 dia./ ØSn/Cu
PFRA.185.X 12.0 18.4 5.1 0.7 7.6 3.0 1 0.51 dia./ ØSn/Cu
PFRA.250.X 12.0 18.3 5.1 0.7 7.6 3.0 2 0.81 dia./ ØSn/Cu
PFRA.250.X.010 12.0 18.3 5.9 0.7 7.6 3.1 2 0.51 dia./ ØSn/Cu
PFRA.300.X 12.0 18.3 5.1 0.7 7.6 3.0 2 0.81 dia./ ØSn/Cu
PFRA.400.X 14.4 24.8 5.1 0.7 7.6 3.0 2 0.81 dia./ ØSn/Cu
PFRA.500 17.4 24.9 10.2 0.7 7.6 3.0 2 0.81 dia./ ØSn/Cu
PFRA.600 19.3 31.9 10.2 0.7 7.6 3.0 2 0.81 dia./ ØSn/Cu
PFRA.700 22.1 29.8 10.2 0.7 7.6 3.0 2 0.81 dia./ ØSn/Cu
PFRA.800 24.2 32.9 10.2 0.7 7.6 3.0 2 0.81 dia./ ØSn/Cu
PFRA.900 24.2 32.9 10.2 0.7 7.6 3.0 2 0.81 dia./ ØSn/Cu
PFRA.1100 24.2 32.9 10.2 0.7 7.6 3.0 2 0.81 dia./ ØSn/Cu
Dimensions
at 23 °C
FUSES / SICHERUNGEN PFRA
Resettable fuses
FUSES / SICHERUNGEN PFRA
Resettable fuses
www.schurter.com
25
Thermal Derating Chart-Ihold (Amps)
Type / Typ
Ambient Operating Temperature
–40 ˚C –20 ˚C 0 ˚C 23 ˚C 40 ˚C 50 ˚C 60 ˚C 70 ˚C 85 ˚C
PFRA.010.X 0.16 0.14 0.12 0.10 0.08 0.07 0.06 0.05 0.04
PFRA.017.X 0.26 0.23 0.20 0.17 0.14 0.12 0.11 0.09 0.07
PFRA.020.X 0.31 0.27 0.24 0.20 0.16 0.14 0.13 0.11 0.08
PFRA.025.X 0.39 0.34 0.30 0.25 0.20 0.18 0.16 0.14 0.10
PFRA.030.X 0.47 0.41 0.36 0.30 0.24 0.22 0.19 0.16 0.12
PFRA.040.X 0.62 0.54 0.48 0.40 0.32 0.29 0.25 0.22 0.16
PFRA.050.X 0.78 0.68 0.60 0.50 0.41 0.36 0.32 0.27 0.20
PFRA.065.X 1.01 0.88 0.77 0.65 0.53 0.47 0.41 0.35 0.26
PFRA.075.X 1.16 1.02 0.89 0.75 0.61 0.54 0.47 0.41 0.30
PFRA.090.X 1.40 1.22 1.07 0.90 0.73 0.65 0.57 0.49 0.36
PFRA.090.X.009 1.40 1.22 1.07 0.90 0.73 0.65 0.57 0.49 0.36
PFRA.110.X 1.60 1.43 1.27 1.10 0.91 0.85 0.75 0.67 0.57
PFRA.135.X 1.96 1.76 1.55 1.35 1.12 1.04 0.92 0.82 0.70
PFRA.160.X 2.32 2.08 1.84 1.60 1.33 1.23 1.09 0.98 0.83
PFRA.185.X 2.68 2.41 2.13 1.85 1.54 1.42 1.26 1.13 0.96
PFRA.250.X 3.63 3.25 2.88 2.50 2.08 1.93 1.70 1.53 1.30
PFRA.250.X.010 3.63 3.25 2.88 2.50 2.08 1.93 1.70 1.53 1.30
PFRA.300.X 4.35 3.90 3.45 3.00 2.49 2.31 2.04 1.83 1.56
PFRA.400.X 5.80 5.20 4.60 4.00 3.32 3.08 2.72 2.44 2.08
PFRA.500 7.25 6.50 5.75 5.00 4.15 3.85 3.40 3.05 2.60
PFRA.600 8.70 7.80 6.90 6.00 4.98 4.62 4.08 3.66 3.12
PFRA.700 10.15 9.10 8.05 7.00 5.81 5.39 4.76 4.72 3.64
PFRA.800 11.60 10.40 9.20 8.00 6.64 6.16 5.44 4.88 4.16
PFRA.900 13.05 11.70 10.35 9.00 7.47 6.39 6.12 5.49 4.68
PFRA.1100 16.10 14.60 13.10 11.00 9.40 8.80 7.80 6.90 5.20
How To Order
PF RA . XXX . X
PTC-Fuse
Style
RA = Radial Leaded Component
Hold Current, Ihold
010-1100 (100 mA–11,0 A)
Packaging Options
- = Bulk Packaging
.2 = Tape and Reel*
.3 = Ammo Pack*
*Packaged per EI486-B
Note:
Add designator “009” or “010” after Packaging Option Code
to specify Models PFRA.090.009 or
PFRA.250.010.
