FUSES / SICHERUNGEN
Resettable fuses
PFMU
PF
MU
.02
0.2
PF
MU
.03
5.2
PF
MU
.05
PF
0.2
MU
.07
5.2
PF
MU
.11
0.2
PF
MU
.00
5.2
2,8 x 3,4 mm
fast tripping
Packaged per EIA 481-1
PF
MU
.01
0.2
Typical Time to Trip at 23 ˚C
Surface Mount
PTC-Fuses
Type PFMU
100
Agency recognition:
UL, CSA, TÜV
10
Time to trip (s)
1
50
75
0.1
0.01
100
0.001
01
0.1
1
1
10
10
Fault current (A)
Dimensions
Solder pad layouts
?
A
C
1.1 ± 0.1
(.043 ± .004)
2.6 ± 0.1
(.102 ± .004)
B
Min.
D
1.1 ± 0.1
(.043 ± .004)
1.7 ± 0.1
(.067 ± .004)
Applications
Typical Part Marking
•
•
•
•
Layout may vary
PC motherboards
PC modems
USB
General electronics: Phones,
fax machines, televisions,
printers, video equipment,
PDA
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
Part identification
Manufacturer’s
Trademark
Date code week 1 of 2000 = 0A (year and week)
week 27 of 2000 = A0 (week and year)
-40 °C to +85 °C
125 °C
+85 °C, 1000 hours / Std.
± 5% typ. resist. change
+85 °C, 85% R.H. 1000 hours / Std. ± 10% typ. resist. change
+85 °C/–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 PFMU 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, Vmax 23 °C / Bei entspr. 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 MF physical description
Rmin ≤ R ≤ Rmax
T ≤ max. time to trip / Tr(sec.)
No trip
No arcing or burning
No arcing or burning
www.schurter.com
11
FUSES / SICHERUNGEN
Resettable fuses
PFMU
Electrical Characteristics / Elektrische Daten
Type / Typ
Imax
A
10
10
10
40
40
40
40
PFMU.005.2
PFMU.010.2
PFMU.020.2
PFMU.035.2
PFMU.050.2
PFMU.075.2
PFMU.110.2
Vmax
V
30
30
30
6
13.2
6
6
Ihold
Itrip
Initial
Resistance /
Amperes at 23 °C /
Ohms at 23 °C
Hold
0.05
0.10
0.20
0.35
0.50
0.75
1.10
Rmin.
2.80
0.80
0.40
0.20
0.18
0.07
0.05
Trip
0.15
0.30
0.40
0.75
1.00
1.50
2.20
1 Hour (R1) Post- Max. Time
Reflow Resistance / to trip at 23 °C/8A /
R1 max.
50.0
15.0
5.0
1.30
0.90
0.45
0.21
Tripped Power
Dissipation
Amperes /
Seconds /
Watts at 23 °C /
at / bei 23 °C
0.25
0.5
8.0
8.0
8.0
8.0
8.0
at / bei 23 °C
1.5
0.6
0.2
0.2
0.1
0.1
0.1
0.8
0.8
0.8
1.0
1.0
1.2
1.2
Dimensions
A
Model / Modell
min.
3.00
(0.118)
3.00
(0.118)
3.00
(0.118)
3.00
(0.118)
3.00
(0.118)
3.00
(0.118)
3.00
(0.118)
PFMU.005.2
PFMU.010.2
PFMU.020.2
PFMU.035.2
PFMU.050.2
PFMU.075.2
PFMU.110.2
B
max.
3.43
(0.135)
3.43
(0.135)
3.43
(0.135)
3.43
(0.135)
3.43
(0.135)
3.43
(0.135)
3.43
(0.135)
min.
2.35
(0.092)
2.35
(0.092)
2.35
(0.092)
2.35
(0.092)
2.35
(0.093)
2.35
(0.092)
2.35
(0.092)
Packaging: 3000 pcs. per reel /
C
max.
min.
2.80
0.38
(0.110)
(0.015)
2.80
0.38
(0.110)
(0.015)
2.80
0.38
(0.110)
(0.015)
2.80
0.38
(0.110)
(0.015)
2.80
0.38
(0.110)
(0.015)
2.80
0.38
(0.110)
(0.015)
2.80
0.38
(0.110)
(0.015)
Dimensions in mm/inches
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)
max.
0.62
(0.025)
0.62
(0.025)
0.62
(0.025)
0.62
(0.025)
0.62
(0.024)
0.62
(0.025)
0.62
(0.025)
Soldering Profile
How To Order
300
PF
250
Temperature (° C)
200
MU .xxx
PTC-Fuse
Maximum Package Body Temperature (220 °C)
Melting Temperature of Solder (183 °C)
Style
MU = 1210 Surface Mount Component
150
2 Minutes or More
100
10° to 20 C
per Second
Less than
120 °C per
Second
Hold Current, Ihold
005-110 (0.05 A - 1.10 A)
50
Preheat
Flux Activation
0
0
30
60
100
150
Time (Second) (s)
Reflow
200
Packaging
Packaged per EIA 481-1
2 = Tape and reel /
Cool
250
Note
• PFMU models can be wave soldered and reworked.
Thermal Derating Chart-Ihold (Amps)
Type / Typ
PFMU.005.2
PFMU.010.2
PFMU.020.2
PFMU.035.2
PFMU.050.2
PFMU.075.2
PFMU.110.2
12
www.schurter.com
Ambient Operating Temperature
–40 ˚C
–20 ˚C
0 ˚C
0.08
0.07
0.06
0.16
0.14
0.12
0.32
0.28
0.24
0.47
0.45
0.40
0.76
0.67
0.58
1.00
0.97
0.86
1.60
1.42
1.26
23 ˚C
0.05
0.10
0.20
0.35
0.50
0.75
1.10
40 ˚C
0.04
0.08
0.16
0.33
0.43
0.64
0.94
50 ˚C
0.04
0.07
0.14
0.28
0.40
0.59
0.86
60 ˚C
0.03
0.06
0.12
0.24
0.36
0.54
0.80
70 ˚C
0.03
0.05
0.10
0.21
0.32
0.48
0.70
85 ˚C
0.02
0.04
0.06
0.18
0.28
0.40
0.58
.x
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