FUSES
/ SICHERUNGEN
Resettable fuses
Surface Mount
PTC-Fuses
Type PFMD
3,4 x 4,7 mm
fast tripping
Packaged per EIA 481-1
Time to trip
(s)
PFMD
Typical Time to Trip at 23 ˚C
100
10
PFMD.020.2
1
Agency recognition:
UL, CSA, TÜV
PFMD.260.2
0.1
PFMD.010.2
0.01
PFMD.014.2
PFMD.200.2
PFMD.160.2
PFMD.150.2
PFMD.125.2
PFMD.110.2
PFMD.030.2
0.001
50
75
100
PFMD.075.2
PFMD.050.2
10
100
0.1
1
Fault current
(A)
Dimensions
/ Abmessungen
A
C
Solder pad layouts
B
D
Applications
•
•
•
•
Hard disk drives
PC motherboards
PC peripherals
Point-of-sale (POS)
equipment
• PCMCIA cards
• General Electronics
Typical Part Marking
Layout may vary
Part identification
Manufacturer’s
Trademark
Date code week 1 of 2000 = 0A (year and week)
week 27 of 2000 = A0 (week and year)
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
Solvent Resistance
/ Lösungsmittel-Beständigkeit
Vibration
–40 °C
to /
bis +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
to/bis
–40 °C, 20
times
/ Zyklen
± 10%
typ. resist. change
MIL-STD-202, Method 215
No change
MIL-STD-883C, Method 2007.1,
No change
Condition A
Test Procedures And Requirements For Model PFMD 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 23 °C
Time to Trip
/ Trip-Zeit
At specified current, V
max,
23 °C
/ Bei entspr. Strom
Hold Current
/ Haltestrom
30 min. at I
hold
/ bei Haltestrom
Trip Cycle Life
/ Trip-Zyklen
V
max
, I
max
, 100 cycles
/ Zyklen
Trip Endurance
/ Zeit im Tripzustand
V
max
, 48 hours
/ Stunden
Accept/Reject Criteria
Per PF physical description
R
min
≤
R
≤
R
max
T
≤
max.
time to trip
/ Trip-Zeit
No trip
No arcing or burning
No arcing or burning
(sec.)
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13
FUSES
/ SICHERUNGEN
Resettable fuses
Electrical Characteristics
Type
/ Typ
I
max
V
max
I
hold
I
trip
Initial
Resistance
/
1 Hour (R1) Post-
Max. Time
Reflow Resistance
/
to trip at 23 °C/8A
/
Tripped Power
Dissipation
/
PFMD
Amperes at 23 °C
/
A
PFMD.010.2
PFMD.014.2
PFMD.020.2
PFMD.030.2
PFMD.050.2
PFMD.075.2
PFMD.075.24.2
PFMD.110.2
PFMD.110.16.2
PFMD.125.2
PFMD.150.2
PFMD.160.2
PFMD.200.2
PFMD.260.2
40
40
80
100
100
100
100
100
100
100
100
100
100
100
Ohms at 23 °C
/
R
min.
0.70
0.40
0.40
0.30
0.15
0.11
0.11
0.04
0.04
0.035
0.03
0.035
0.020
0.015
Amperes
/
R
1 max.
15.00
6.50
6.00
3.00
1.00
0.45
0.45
0.21
0.21
0.14
0.12
0.10
0.10
0.08
Seconds
/
Watts at 23 °C
/
V
60.0
60.0
30.0
30.0
15.0
13.2
24.0
6.0
16.0
6.0
6.0
8.0
6.0
6.0
Hold
0.10
0.14
0.20
0.30
0.50
0.75
0.75
1.10
1.10
1.25
1.50
1.60
2.00
2.60
Trip
0.30
0.34
0.40
0.60
1.00
1.50
1.50
2.20
2.20
2.50
3.00
2.80
4.00
5.20
at
/ bei
23 °C at
/ bei
23 °C
0.5
1.5
6.0
8.0
8.0
8.0
8.0
8.0
8.0
8.0
8.0
8.0
8.0
8.0
1.5
0.15
0.06
0.10
0.15
0.20
0.20
0.30
0.30
0.4
0.5
2.0
3.0
5.0
1.0
1.0
1.0
1.2
1.2
1.2
1.2
1.2
1.2
1.5
1.5
1.5
1.5
1.5
Dimensions
Model
/ Modell
min.
PFMD.010.2
PFMD.014.2
PFMD.020.2
PFMD.030.2
PFMD.050.2
PFMD.075.2
PFMD.075.24.2
PFMD.110.2
PFMD.110.16.2
PFMD.125.2
PFMD.150.2
PFMD.160.2
PFMD.200.2
PFMD.260.2
Packaging: 2000 pcs. per reel
4.37
(0.172)
4.37
( 0.172)
4.37
( 0.172)
4.37
( 0.172)
4.37
( 0.172)
4.37
( 0.172)
4.37
( 0.172)
4.37
( 0.172)
4.37
( 0.172)
4.37
( 0.172)
4.37
( 0.172)
4.37
( 0.172)
4.37
( 0.172)
4.37
(0.172)
A
max.
4.73
(0.186)
4.73
( 0.186)
4.73
( 0.186)
4.73
( 0.186)
4.73
( 0.186)
4.73
( 0.186)
4.73
( 0.186)
4.73
( 0.186)
4.73
( 0.186)
4.73
( 0.186)
4.73
( 0.186)
4.73
( 0.186)
4.73
(0.186)
4.73
(0.186)
B
min.
3.07
(0.121)
3.07
( 0.121)
3.07
( 0.121)
3.07
( 0.121)
3.07
( 0.121)
3.07
( 0.121)
3.07
( 0.121)
3.07
( 0.121)
3.07
( 0.121)
3.07
( 0.121)
3.07
( 0.121)
3.07
( 0.121)
3.07
( 0.121)
3.07
(0.121)
C
max.
3.41
(0.134)
3.41
( 0.134)
3.41
( 0.134)
3.41
( 0.134)
3.41
( 0.134)
3.41
( 0.134)
3.41
( 0.134)
3.41
( 0.134)
3.41
( 0.134)
3.41
( 0.134)
3.41
( 0.134)
3.41
( 0.134)
3.41
(0.134)
3.41
( 0.134)
min.
0.56
(0.022)
0.56
(0.022)
0.56
(0.022)
0.56
(0.022)
0.38
(0.015)
0.38
(0.015)
0.38
(0.015)
0.38
(0.015)
0.38
(0.015)
0.30
(0.012)
0.30
(0.012)
0.30
(0.012)
0.30
(0.012)
0.25
(0.010)
max.
0.81
(0.032)
0.81
(0.032)
0.81
(0.032)
0.81
(0.032)
0.62
(0.024)
0.62
(0.024)
0.62
(0.024)
0.62
(0.024)
0.62
(0.024)
0.48
(0.019)
0.48
(0.019)
0.48
(0.019)
0.48
(0.019)
0.48
(0.019)
D
min.
0.30
(0.012)
0.30
(0.012)
0.30
(0.012)
0.30
(0.012)
0.30
(0.012)
0.30
(0.012)
0.30
(0.012)
0.30
(0.012)
0.30
(0.012)
0.30
(0.012)
0.30
(0.012)
0.30
(0.012)
0.30
(0.012)
0.30
(0.012)
Dimensions in mm/inches
Soldering Profile
300
250
How To Order
Note PFMD
• models can be wave soldered and
reworked.
10° to 20 C
per Second
Less than
120 °C per
Second
PF
PTC-Fuse /
MD .xxx
.x
Temperature (° C) /
Maximum Package Body Temperature (220 °C)
200
150
Melting Temperature of Solder (183 °C)
Style
MD = 4,5 mm Surface Mount Component
Hold Current, I
hold
010-260 (0,10 A - 2,60 A)
Packaging
Packaged per EIA 481-1
2 =
Tape and reel /
2 Minutes or More
100
50
Preheat
0
0
30
60
Flux Activation
Reflow
Cool
100
150
200
250
Time (Second)
(s)
Thermal Derating Chart-I
hold /
I
trip
(Amps)
Type
/ Typ
PFMD.010.2
PFMD.014.2
PFMD.020.2
PFMD.030.2
PFMD.050.2
PFMD.075.2
PFMD.075.24.2
PFMD.110.2
PFMD.110.16.2
PFMD.125.2
PFMD.150.2
PFMD.160.2
PFMD.200.2
PFMD.260.2
Ambient Operating Temperature
–40 ˚C
–20 ˚C
0 ˚C
0.16 / 0.32
0.23 / 0.52
0.29 / 0.58
0.44 / 0.88
0.77 / 1.54
1.15 / 2.30
1.11 / 2.22
1.59 / 3.18
1.59 / 3.18
1.80 / 3.61
2.17 / 4.34
2.30 / 5.00
3.08 / 6.14
4.00 / 7.98
0.14 / 0.28
0.19 / 0.45
0.26 / 0.52
0.39 / 0.78
0.68 / 1.36
1.01 / 2.02
1.00 / 2.00
1.43 / 2.86
1.43 / 2.86
1.63 / 3.25
1.95 / 3.90
2.20 / 4.40
2.71 / 5.39
3.52 / 7.01
0.12 / 0.24
0.17 / 0.40
0.23 / 0.46
0.35 / 0.70
0.59 / 1.18
0.88 / 1.76
0.85 / 1.70
1.26 / 2.52
1.26 / 2.52
1.43 / 2.86
1.72 / 3.44
1.90 / 3.80
2.35 / 4.62
3.06 / 6.09
23 ˚C
0.11 / 0.22
0.14 / 0.34
0.20 / 0.40
0.30 / 0.60
0.50 / 1.00
0.75 / 1.50
0.75 / 1.50
1.10 / 2.20
1.10 / 2.20
1.25 / 2.50
1.50 / 3.00
1.60 / 2.80
2.00 / 4.01
2.60 / 5.15
40 ˚C
0.08 / 0.16
0.12 / 0.29
0.17 / 0.34
0.26 / 0.52
0.44 / 0.88
0.65 / 1.30
0.67 / 1.34
0.95 / 1.90
0.95 / 1.90
1.08 / 2.16
1.30 / 2.59
1.45 / 2.90
1.80 / 1.61
2.34 / 4.64
50 ˚C
0.07 / 0.14
0.10 / 0.25
0.15 / 0.30
0.23 / 0.46
0.40 / 0.80
0.60 / 1.20
0.61 / 1.22
0.87 / 1.74
0.87 / 1.74
0.99 / 1.98
1.18 / 2.37
1.30 / 2.60
1.60 / 3.19
2.08 / 4.13
60 ˚C
0.06 / 0.12
0.09 / 0.23
0.14 / 0.28
0.21 / 0.42
0.37 / 0.74
0.55 / 1.10
0.52 / 1.06
0.80 / 1.60
0.80 / 1.60
0.91 / 1.82
1.09 / 2.18
1.15 / 2.30
1.50 / 2.98
1.95 / 3.87
70 ˚C
0.05 / 0.10
0.08 / 0.21
0.12 / 0.24
0.18 / 0.36
0.33 / 0.66
0.49 / 0.98
0.50 / 1.00
0.71 / 1.42
0.71 / 1.42
0.81 / 1.62
0.97 / 1.94
1.03 / 2.06
1.07 / 2.12
1.39 / 2.74
85 ˚C
0.03 / 0.06
0.06 / 0.16
0.10 / 0.20
0.15 / 0.30
0.29 / 0.58
0.43 / 0.86
0.42 / 0.84
0.60 / 1.20
0.60 / 1.20
0.68 / 1.36
0.82 / 1.64
0.91 / 1.82
0.80 / 1.58
1.04 / 2.05
14
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