background image

FUSES 

 PFVS

Resettable fuses 

www.schurter.com

30

Axial leaded 
PTC-Fuses
Type PFVS

Fully compatible with cur-
rent industry standards

Weldable nickel terminals

Very low internal resistance

Low switching temperature

Lead-free

Agency recognition: 
UL,CSA, TÜV

Typical Time to Trip at 23 ˚C 

Time to trip  

 

(s)

Dimensions 

Applications

• Any application that requires

protection at low resistances

• Rechargeable battery packs
• Cellular phones
• Laptop computers

Test Procedures And Requirements For Model PFVS 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 entsprech. Strom

 T 

 max. 

time to trip

 

(sec.

)

Hold Current 

/ Haltest

hold 

/ bei Haltestrom

 

No trip 

rom

 

30 min. at I

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

 +60 °C, 1000 

hours 

/ Std. 

± 10% 

typ. resist. change 

Humidity Aging

 / Feuchtigkeitsalterung

 +60 °C, 85% R.H. 1000 

hours 

/ Std.

± 10% 

typ. resist. change 

Thermal Shock 

/ Thermischer Schock )

 MIL-STD-202F, Method 107G ± 5% 

typ. resist. change 

+85 °C/–40 °C 10 

times 

Vibration 

MIL-STD-883C, 

No change 

Condition A 

 

Typical Part Marking

Layout may vary 

Manufacturer’s Trademark 

Lot No. (T = Taiwan, S = Xiamen)

Date code (First digit = Last digit of
year; next three digits = day of year) 

50          75         100

Fault current 

 (A)

1                                                        10                                                     100

100

10

1

0.1

0.01

0.001

PFVS.170PFVS.210

A

A

SLIT   0.5  x   4.0

Nominal

(.020)     (.157)

B

F

D

D

C

A

A

B

F

D

D

C

Part identification 

n

Pb

Schurter_PFVS-html.html
background image

FUSES 

/ SICHERUNGEN

 PFVS

Resettable fuses 

www.schurter.com

31

Electrical Characteristics 

Model 

/

 

A

B

 C

 D

 F

Pkg.

Modell

 min. max. min. max. min. max. min. max. min. max. Style

PFVS.170

16.0

18.5

4.9

5.3

0.6

0.8

4.1

5.8

3.9

4.1

Std.

(0.630)

(0.728)

(0.193)

(0.209)

(0.024)

(0.031)

(0.161)

(0.228)

(0.154)

(0.161)

PFVS.170.S

16.0

18.5

4.9

5.3

0.6

0.8

4.1

5.8

3.9

4.1

S

(0.630)

(0.728)

(0.193)

(0.209)

(0.024)

(0.031)

(0.161)

(0.228)

(0.154)

(0.161)

PFVS.210

20.9

23.7

4.9

5.3

0.6

0.8

4.1

5.8

3.9

4.1

Std.

(0.823)

(0.933)

(0.193)

(0.209)

(0.024)

(0.031)

(0.161)

(0.228)

(0.154)

(0.161)

PFVS.210.L

24.0

26.5

4.9

5.3

0.6

0.8

5.0

7.1

3.9

4.1

Std.

(0.945)

(1.043)

(0.193)

(0.209)

(0.024)

(0.031)

(0.197)

(0.280)

(0.154)

(0.161)

PFVS.210.S

20.9

23.7

4.9

5.3

0.6

0.8

4.1

5.8

3.9

4.1

S

(0.823)

(0.933)

(0.193)

(0.209)

(0.024)

(0.031)

(0.161)

(0.228)

(0.154)

(0.161)

Dimensions

How To Order 

PF     VS  .xxx   .x

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 

Thermal Derating Chart-I

hold 

(Amps) 

Type 

/ Typ

 

Ambient Operating Temperature 

–40 ˚C

–20 ˚C

0 ˚C

23 ˚C

40 ˚C

50 ˚C

60 ˚C

70 ˚C

85 ˚C

PFVS.170

3.2

2.7

2.2

1.7

1.3

1.1

0.8

0.6

0.1

PFVS.170.S

3.2

2.7

2.2

1.7

1.3

1.1

0.8

0.6

0.1

PFVS.210

4.1

3.5

2.9

2.1

1.6

1.3

1.0

0.7

0.1

PFVS.210.L

4.1

3.5

2.9

2.1

1.6

1.3

1.0

0.7

0.1

PFVS.210.S

4.1

3.5

2.9

2.1

1.6

1.3

1.0

0.7

0.1

Dimensions in mm/inches

Type

 / Typ

 V

max 

I

max 

I

hold 

I

trip 

Initial Resistance 

/

 One Hour Max. Time to trip 

/

 Tripped

Volts

Amps

Post-Trip

Power

Restistance 

/

 Dissipation 

/

Amperes

Ohms

Ohms

Amperes

Seconds

Watts

at 

/ bei

 23 °C 

at 

/ bei 

23 °C 

at 

/ bei

 23 °C 

at

 / bei 

23 °C 

at 

/ bei

 23 °C 

at 

/ bei

 23 °C

Hold

Trip

Min.

Max.

Max.

PFVS.170

16

100

1.7

3.4

0.030

0.052

0.105

8.5

3

1.4

PFVS.210

16

100

2.1

4.7

0.018

0.030

0.060

10

5

1.5

Packaging  

All models packaged in bulk, 500 pieces each.