FUSES / SICHERUNGEN
Resettable fuses
PFRA
Typical Time to Trip at 23 ˚C
PFR
A.0
10
PFR
A.0
PFR 17
A
PFR .020
A
PFR .025
A
PFR .030
A
PFR .040
A
PFR .050
A
PFR .065
A
PFR .075
A
PFR .090
-0- A.09
009 0
PFR
A
PFR .110
A
PFR .135
A
PFR .160
A
PFR .185
A
250 .250
-0 ,
PFR -010
A
PFR .300
A
PFR .400
A
PFR .500
A
PFR .600
A
PFR .700
A
PFR .800
PFR A.900
A.1
100
Wire leaded
PTC-Fuses
Type PFRA
Cured, flame retardant epoxy
Polymer insulating material
meets UL 94V-0
requirements
Bulk packaging, tape and
reel and Ammo-Pack available on most models
Agency recognition:
**UL, CSA, TÜV
100
10
Time to trip (s)
1
Typical Part Marking
PFRA.030–900
Layout may vary
0.1
0.01
0.001
1
0.1
Part identification
Manufacturer’s
Trademark
10
100
Fault current (A)
RA250
6180T
Lot No (T = Taiwan)
Package
1
Date Code (Last Digit of Year and Julian Date)
A
2
E
A
E
Typical Part Marking
PFRA.010–025
Part identification
Manufacturer’s
Trademark
50
75
B
B
Layout may vary
RA250
8H
100
D
D
Date code week 1 of 1998 = 8 A (year and week)
week 27 of 1998 = A 8 (week and year)
Kinked lead options available for board standoff
** PFRA.010–050 rated at 30 V
**
C
C
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
Environmental Characteristics
Operating/Storage Temperature / Einsatz/Lagertemp.
Maximum Device Surface Temperature in Tripped State /
Passive Aging / passive Alterung
Humidity Aging / Feuchtigkeitsalterung
Thermal Shock*) / Thermischer Schock
Mechanical Shock / Mechanischer Schock
Solvent Resistance / Lösungsmittel-Beständigkeit
Vibration
–40 °C to +85 °C
125 °C
+85 °C, 1000 hours / Std.
±5% typ. resist. change
+85 °C, 85% R.H. 1000 hours / Std. ±5% typ. resist. change
+85 °C/–40 °C 10 times / Zyklen
±10% typ. resist. change
MIL-STD-202, Method 213,
No resistance change
Condition 1
(100 g, 6 sec.)
MIL-STD-202, Method 215
No change
MIL-STD-883C, Method 2007.1,
No change
Condition A
*) MIL-STD-202F, Method 107G
Test Procedures And Requirements For Model PFRA Series
Test / Test
Test Conditions / Bedingungen
Visual/Mech. / visuell/mech.
Verify dimensions and materials / Kontrolle Abmess./Mat.
Resistance / Widerstand
In still air @ 23 °C / bei ruhiger Luft
Time to Trip / Trip-Zeit
At spezified current Vmax, 23 °C / unter spez. Strom
Hold Current / Haltestrom
30 min. at Ihold / bei Haltestrom
Trip Cycle Life / Trip-Zyklen
Vmax, Imax, 100 cycles / Zyklen
Trip Endurance / Zeit im Tripzustand Vmax, 48 hours / Stunden
Accept/Reject Criteria
Per PF physical description
Rmin ≤ R ≤ Rmax
T ≤ max. time to trip
(sec.)
No trip
No arcing or burning
No arcing or burning
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23
FUSES
FUSES // SICHERUNGEN
SICHERUNGEN
Resettable
Resettable fuses
fuses
PFRA
PFRA
Electrical Characteristics
Type / Typ
Vmax
Imax
Ihold
Itrip
Initial
Resistance /
Amperes at/at 23 °C
PFRA.010.X
PFRA.017.X
PFRA.020.X
PFRA.025.X
PFRA.030.X
PFRA.040.X
PFRA.050.X
PFRA.065.X
PFRA.075.X
PFRA.090.X
PFRA.090.X.009
PFRA.110.X
PFRA.135.X
PFRA.160.X
PFRA.185.X
PFRA.250.X
PFRA.250.X.010
PFRA.300.X
PFRA.400.X
PFRA.500
PFRA.600
PFRA.700
PFRA.800
PFRA.900
PFRA.1100
V
60
60
60
60
60
60
60
60
60
60
30
30
30
30
30
30
30
30
30
30
30
30
30
30
16
A
40
40
40
40
40
40
40
40
40
40
40
40
40
40
40
40
40
40
40
40
40
40
40
40
100
Hold
0.10
0.17
0.20
0.25
0.30
0.40
0.50
0.65
0.75
0.90
0.90
1.10
1.35
1.60
1.85
2.50
2.50
3.00
4.00
5.00
6.00
7.00
8.00
9.00
11.00
Trip
0.20
0.34
0.40
0.50
0.60
0.80
1.00
1.30
1.50
1.80
1.80
2.20
2.70
3.20
3.70
5.00
5.00
6.00
8.00
10.00
12.00
14.00
16.00
18.00
22.00
Ohms at 23 °C
min.
2.50
3.30
1.50
1.00
0.76
0.52
0.41
0.27
0.18
0.14
0.07
0.10
0.065
0.055
0.04
0.025
0.020
0.02
0.01
0.01
0.005
0.005
0.005
0.005
0.003
max.
4.50
5.21
2.84
1.95
1.36
0.86
0.77
0.48
0.40
0.31
0.12
0.18
0.115
0.105
0.07
0.048
0.05
0.05
0.03
0.03
0.02
0.02
0.02
0.01
0.01
1 Hour (R1) PostTrip Resistance /
Max. Time
to trip at 23 °C /
Ohms at 23 °C
Tripped Power
Dissipation
Seconds at 23 °C/
R1 max.
7.50
8.00
4.40
3.00
2.10
1.29
1.17
0.72
0.60
0.47
0.22
0.27
0.17
0.15
0.11
0.07
0.08
0.08
0.05
0.05
0.04
0.03
0.03
0.02
0.014
Watts at 23 °C
4.0
3.0
2.2
2.5
3.0
3.8
4.0
5.3
6.3
7.2
5.9
6.6
7.3
8.0
8.7
10.3
10.3
10.8
12.7
14.5
16.0
17.5
18.8
20.0
20.0
0.38
0.48
0.40
0.45
0.50
0.55
0.75
0.90
0.90
1.00
0.60
0.70
0.80
0.90
1.00
1.20
1.20
2.00
2.50
3.00
3.50
3.80
4.00
4.20
4.50
Packaging
Bulk / Lose:
(leave.X space)
500 per bag
Tape and reel / Gegurtet:
X=.2
PFRA.010–PFRA.160 –12.7 mm device pitch = 3000 pcs. per reel ;
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.:
X=.3
PFRA.010–PFRA.160 – 12.7mm device pitch = 2000 pcs. per reel ;
PFRA.185–PFRA.400 – 25.4mm device pitch = 1000 pcs. per reel ;
PFRA.090.X.009 & PFRA.250.X.010 = 2000 pcs. per reel
Dimensions
Type / Typ
A
max.
B
max.
nominal
Tol. ±
D
min.
E
max.
Style /
Lead /
PFRA.010.X
PFRA.017.X
PFRA.020.X
PFRA.025.X
PFRA.030.X
PFRA.040.X
PFRA.050.X
PFRA.065.X
PFRA.075.X
PFRA.090.X
PFRA.090.X.009
PFRA.110.X
PFRA.135.X
PFRA.160.X
PFRA.185.X
PFRA.250.X
PFRA.250.X.010
PFRA.300.X
PFRA.400.X
PFRA.500
PFRA.600
PFRA.700
PFRA.800
PFRA.900
PFRA.1100
7.4
7.4
7.4
7.4
7.4
7.4
7.9
9.7
10.4
11.7
7.4
8.9
8.9
10.2
12.0
12.0
12.0
12.0
14.4
17.4
19.3
22.1
24.2
24.2
24.2
12.7
12.7
12.7
12.7
13.4
13.7
13.7
15.2
16.0
16.7
12.2
14.0
18.9
16.8
18.4
18.3
18.3
18.3
24.8
24.9
31.9
29.8
32.9
32.9
32.9
5.1
5.1
5.1
5.1
5.1
5.1
5.1
5.1
5.1
5.1
5.1
5.1
5.1
5.1
5.1
5.1
5.9
5.1
5.1
10.2
10.2
10.2
10.2
10.2
10.2
0.7
0.7
0.7
0.7
0.7
0.7
0.7
0.7
0.7
0.7
0.7
0.7
0.7
0.7
0.7
0.7
0.7
0.7
0.7
0.7
0.7
0.7
0.7
0.7
0.7
7.6
7.6
7.6
7.6
7.6
7.6
7.6
7.6
7.6
7.6
7.6
7.6
7.6
7.6
7.6
7.6
7.6
7.6
7.6
7.6
7.6
7.6
7.6
7.6
7.6
3.1
3.1
3.1
3.1
3.1
3.1
3.1
3.1
3.1
3.1
3.0
3.0
3.0
3.0
3.0
3.0
3.1
3.0
3.0
3.0
3.0
3.0
3.0
3.0
3.0
1
1
1
1
1
1
1
1
1
1
2
1
1
1
1
2
2
2
2
2
2
2
2
2
2
0.51 dia./ Ø
0.51 dia./ Ø
0.51 dia./ Ø
0.51 dia./ Ø
0.51 dia./ Ø
0.51 dia./ Ø
0.51 dia./ Ø
0.51 dia./ Ø
0.51 dia./ Ø
0.51 dia./ Ø
0.51 dia./ Ø
0.51 dia./ Ø
0.51 dia./ Ø
0.51 dia./ Ø
0.51 dia./ Ø
0.81 dia./ Ø
0.51 dia./ Ø
0.81 dia./ Ø
0.81 dia./ Ø
0.81 dia./ Ø
0.81 dia./ Ø
0.81 dia./ Ø
0.81 dia./ Ø
0.81 dia./ Ø
0.81 dia./ Ø
24
www.schurter.com
C
Material
Sn/NiCu
Sn/NiCu
Sn/CuFe
Sn/CuFe
Sn/CuFe
Sn/CuFe
Sn/Cu
Sn/Cu
Sn/Cu
Sn/Cu
Sn/Cu
Sn/Cu
Sn/Cu
Sn/Cu
Sn/Cu
Sn/Cu
Sn/Cu
Sn/Cu
Sn/Cu
Sn/Cu
Sn/Cu
Sn/Cu
Sn/Cu
Sn/Cu
Sn/Cu
FUSES / SICHERUNGEN
Resettable fuses
PFRA
Thermal Derating Chart-Ihold (Amps)
Type / Typ
PFRA.010.X
PFRA.017.X
PFRA.020.X
PFRA.025.X
PFRA.030.X
PFRA.040.X
PFRA.050.X
PFRA.065.X
PFRA.075.X
PFRA.090.X
PFRA.090.X.009
PFRA.110.X
PFRA.135.X
PFRA.160.X
PFRA.185.X
PFRA.250.X
PFRA.250.X.010
PFRA.300.X
PFRA.400.X
PFRA.500
PFRA.600
PFRA.700
PFRA.800
PFRA.900
PFRA.1100
Ambient Operating Temperature
–40 ˚C
–20 ˚C
0 ˚C
0.16
0.14
0.12
0.26
0.23
0.20
0.31
0.27
0.24
0.39
0.34
0.30
0.47
0.41
0.36
0.62
0.54
0.48
0.78
0.68
0.60
1.01
0.88
0.77
1.16
1.02
0.89
1.40
1.22
1.07
1.40
1.22
1.07
1.60
1.43
1.27
1.96
1.76
1.55
2.32
2.08
1.84
2.68
2.41
2.13
3.63
3.25
2.88
3.63
3.25
2.88
4.35
3.90
3.45
5.80
5.20
4.60
7.25
6.50
5.75
8.70
7.80
6.90
10.15
9.10
8.05
11.60
10.40
9.20
13.05
11.70
10.35
16.10
14.60
13.10
23 ˚C
0.10
0.17
0.20
0.25
0.30
0.40
0.50
0.65
0.75
0.90
0.90
1.10
1.35
1.60
1.85
2.50
2.50
3.00
4.00
5.00
6.00
7.00
8.00
9.00
11.00
40 ˚C
0.08
0.14
0.16
0.20
0.24
0.32
0.41
0.53
0.61
0.73
0.73
0.91
1.12
1.33
1.54
2.08
2.08
2.49
3.32
4.15
4.98
5.81
6.64
7.47
9.40
50 ˚C
0.07
0.12
0.14
0.18
0.22
0.29
0.36
0.47
0.54
0.65
0.65
0.85
1.04
1.23
1.42
1.93
1.93
2.31
3.08
3.85
4.62
5.39
6.16
6.39
8.80
60 ˚C
0.06
0.11
0.13
0.16
0.19
0.25
0.32
0.41
0.47
0.57
0.57
0.75
0.92
1.09
1.26
1.70
1.70
2.04
2.72
3.40
4.08
4.76
5.44
6.12
7.80
70 ˚C
0.05
0.09
0.11
0.14
0.16
0.22
0.27
0.35
0.41
0.49
0.49
0.67
0.82
0.98
1.13
1.53
1.53
1.83
2.44
3.05
3.66
4.72
4.88
5.49
6.90
85 ˚C
0.04
0.07
0.08
0.10
0.12
0.16
0.20
0.26
0.30
0.36
0.36
0.57
0.70
0.83
0.96
1.30
1.30
1.56
2.08
2.60
3.12
3.64
4.16
4.68
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.
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25
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