FUSES
Resettable fuses
Axial leaded
PTC-Fuses
Type PFVS
Fully compatible with cur-
rent industry standards
Weldable nickel terminals
Very low internal resistance
Low switching temperature
1
100
PFVS
Typical Time to Trip at 23 ˚C
10
Agency recognition:
UL,CSA, TÜV
Time to trip
(s)
Lead-free
0.1
0.01
0.001
1
10
100
Pb
50
75
100
Fault current
(A)
Dimensions
SLIT 0.5 x 4.0 Nominal
(.020) (.157)
A
A
B
F
D
D
C
B
D
F
D
C
Applications
• Any application that requires
protection at low resistances
• Rechargeable battery packs
• Cellular phones
• Laptop computers
Typical Part Marking
Layout may vary
Manufacturer’s Trademark
Part identification
n
Date code (First digit = Last digit of
year; next three digits = day of year)
Lot No. (T = Taiwan, S = Xiamen)
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 )
Vibration
–40 °C
to
+85 °C
125 °C
+60 °C, 1000
hours
/ Std.
± 10%
typ. resist. change
+60 °C, 85% R.H. 1000
hours
/ Std.
± 10%
typ. resist. change
MIL-STD-202F, Method 107G
± 5%
typ. resist. change
+85 °C/–40 °C 10
times
MIL-STD-883C,
No change
Condition A
Test Procedures And Requirements For Model PFVS 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 entsprech. 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 MF physical description
R
min
≤
R
≤
R
max
T
≤
max.
time to trip (sec.)
No trip
No arcing or burning
No arcing or burning
30
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PF
VS
PF .170
VS
.21
0
FUSES
/ SICHERUNGEN
Resettable fuses
Electrical Characteristics
Type
/ Typ
V
max
Volts
I
max
Amps
I
hold
I
trip
Initial Resistance
/
One Hour
Post-Trip
Restistance
/
Max. Time to trip
/
PFVS
Tripped
Power
Dissipation
/
PFVS.170
PFVS.210
16
16
100
100
Amperes
at
/ bei
23 °C
Hold
1.7
2.1
Trip
3.4
4.7
Ohms
at
/ bei
23 °C
Min.
Max.
0.030
0.052
0.018
0.030
Ohms
at
/ bei
23 °C
Max.
0.105
0.060
Amperes
Seconds
at
/ bei
23 °C
at
/ bei
23 °C
8.5
10
3
5
Watts
at
/ bei
23 °C
1.4
1.5
Dimensions
Model
/
Modell
PFVS.170
PFVS.170.S
PFVS.210
PFVS.210.L
PFVS.210.S
A
min.
16.0
(0.630)
16.0
(0.630)
20.9
(0.823)
24.0
(0.945)
20.9
(0.823)
max.
18.5
(0.728)
18.5
(0.728)
23.7
(0.933)
26.5
(1.043)
23.7
(0.933)
min.
4.9
(0.193)
4.9
(0.193)
4.9
(0.193)
4.9
(0.193)
4.9
(0.193)
B
max.
5.3
(0.209)
5.3
(0.209)
5.3
(0.209)
5.3
(0.209)
5.3
(0.209)
min.
0.6
(0.024)
0.6
(0.024)
0.6
(0.024)
0.6
(0.024)
0.6
(0.024)
C
max.
0.8
(0.031)
0.8
(0.031)
0.8
(0.031)
0.8
(0.031)
0.8
(0.031)
D
min.
max.
min.
4.1
5.8
3.9
(0.161)
(0.228)
(0.154)
4.1
5.8
3.9
(0.161)
(0.228)
(0.154)
4.1
5.8
3.9
(0.161)
(0.228)
(0.154)
5.0
7.1
3.9
(0.197)
(0.280)
(0.154)
4.1
5.8
3.9
(0.161)
(0.228)
(0.154)
Dimensions in mm/inches
F
max.
4.1
(0.161)
4.1
(0.161)
4.1
(0.161)
4.1
(0.161)
4.1
(0.161)
Pkg.
Style
Std.
S
Std.
Std.
S
How To Order
PF
PTC-Fuse
Series
VS =
Axial Leaded “Strap” Component
Hold Current, I
hold
170-210 (1.7-2.1 Amps)
Lead Option
S =
Slotted Lead Option
L =
Longer Lead Option
Packaging
VS .xxx .x
All models packaged in bulk, 500 pieces each.
Thermal Derating Chart-I
hold
(Amps)
Type
/ Typ
PFVS.170
PFVS.170.S
PFVS.210
PFVS.210.L
PFVS.210.S
Ambient Operating Temperature
–40 ˚C
–20 ˚C
0 ˚C
3.2
2.7
2.2
3.2
2.7
2.2
4.1
3.5
2.9
4.1
3.5
2.9
4.1
3.5
2.9
23 ˚C
1.7
1.7
2.1
2.1
2.1
40 ˚C
1.3
1.3
1.6
1.6
1.6
50 ˚C
1.1
1.1
1.3
1.3
1.3
60 ˚C
0.8
0.8
1.0
1.0
1.0
70 ˚C
0.6
0.6
0.7
0.7
0.7
85 ˚C
0.1
0.1
0.1
0.1
0.1
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