FUSES
/ SICHERUNGEN
PFME
Resettable fuses
www.schurter.com
15
Typical Time to Trip at 23 ˚C
Time to trip
(s)
Dimensions
/ Abmessungen
Solder pad layouts
Applications
• battery cell protection
Test Procedures And Requirements For Model PFME Series
Test
/ Test
Test Conditions
/ Bedingungen
Accept/Reject Criteria
Visual/Mech.
/ visuell/mech.
Verify dimensions and materials
/ Kontrolle Abmess./Mat.
Per MF physical description
Resistance
/ Widerstand
In still air @ 23 °C
/ bei ruhiger Luft 23 °C
R
min
≤
R
≤
R
max
Time to Trip
/ Trip-Zeit
At specified current, V
max
23 °C
/ Bei entspr. Strom
T
≤
max.
time to trip
(sec.)
Hold Current
/ Haltestrom
30 min. at I
hold
/ bei Haltestrom
No trip
Trip Cycle Life
/ Trip-Zyklen
V
max
, I
max
, 100 cycles
/ Zyklen
No arcing or burning
Trip Endurance
/ Zeit im Tripzustand
V
max
, 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 20
times
/ Zyklen
±10%
typ. resist. change
Solvent Resistance
/ Lösungsmittel-Beständigkeit
MIL-STD-202, Method 215
No change
Vibration
MIL-STD-883C, Method 2007.1,
No change
Condition A
Typical Part Marking
Layout may vary
Manufacturer’s
Trademark
Part identification
Date code week 1 of 2000 = 0A (year and week)
week 27 of 2000 = A0 (week and year)
50 75 100
100
10
1
0.1
0.01
0.001
PFME.190.2
A
C
D
4.75
(0.187)
1.45
(0.057)
9.57
(0.377)
Fault current
(A)
Surface Mount
PTC-Fuses
Type PFME
5,3 x 11,5 mm
fast tripping
Packaged per EIA 481-1
100 °C trip temperature
Agency recognition:
UL, CSA, TÜV
0.1
1
10
100