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Capacitors

PPTC 
Type PS-WSM 

∆

 Electrical Characteristics

∆

 Typical T-I Derating Form 

I

H

I

T

Vmax

Imax (A)

Rmin

R1max

(A)

(A)

(A)

(S)

(V)

(A)

(

Ω

)

(

Ω

)

PSWSM-010

0.10

0.20

1.5

0.15

60.0

10

0.700

6.000

PSWSM-014

0.14

0.28

1.5

0.15

60.0

10

0.700

6.000

PSWSM-020

0.20

0.40

6.0

0.06

30.0

10

0.600

5.000

PSWSM-035

0.35

0.70

8.0

0.20

6.0

40

-

1.300

PSWSM-050

0.50

1.00

8.0

0.15

15.0

40

0.150

1.000

PSWSM-075

0.75

1.50

8.0

0.20

13.2

40

0.100

0.480

PSWSM-110

1.10

2.20

8.0

0.30

6.0

40

0.040

0.260

PSWSM-125

1.25

2.50

8.0

0.40

6.0

40

0.070

0.250

PSWSM-150

1.50

3.00

8.0

0.50

6.0

40

0.040

0.110

PSWSM-160

1.60

3.20

8.0

1.00

6.0

40

0.030

0.100

PSWSM-190

1.90

3.80

10.0

2.00

16.0

100

0.024

0.080

PSWSM-200

2.00

4.00

8.0

2.00

6.0

40

0.020

0.060

PSWSM-260

2.60

5.20

8.0

2.00

6.0

40

0.015

0.047

Ttrip

Model

-40 -20  0  25 40 50 60 70 85 

PSWSM-014 0.23 0.19 0.17 0.14 0.12 0.10 0.09 0.08 0.06 
PSWSM-020 0.29 0.26 0.23 0.20 0.17 0.15 0.14 0.12 0.10 
PSWSM-035 0.47 0.45 0.40 0.35 0.30 0.28 0.24 0.21 0.18 
PSWSM-050 0.77 0.68 0.59 0.50 0.44 0.40 0.37 0.33 0.29 
PSWSM-075 1.15 1.01 0.88 0.75 0.65 0.60 0.55 0.49 0.43 
PSWSM-110 1.59 1.43 1.26 1.10 0.95 0.87 0.80 0.71 0.60 
PSWSM-190 3.04 2.70 2.20 1.90 1.44 1.23 1.00 0.78 0.49 

Model 

Ambient Temperature (°C) 

Type

PS

PPTC

PS-WSM

Legend

I

H

(A):

Hold current: maximum current at which the device will not trip at 25°C 
still air

I

T

(A):

Tripping current: minimum current at which the device will trip at 25°C  
under specified conditions.

T

T

(S):

Maximum time to trip at specified current. (generally at 5IH)

Vmax(V):

Maximum device operating voltage.

Imax(A):

Maximum fault current device can withstand without damage at rated 
voltage.

Pdtyp(W):

Typical power dissipation: Typical amount of power dissapated by the 
device when in tripped state air environment.

Ro(

Ω

):

Minimum-maximum device resistance at 25° prior to tripping.

∆

 

Application

•

Medical, telecom and consumer electronic equipment.

•

Miniature PCB.

∆

 

Feature

•

Fuse Capacitor (Replaces traditional fuses in DC 

    applications)

•

Auto Reset (when power is cycled)

 Liberty Bell Components, Inc. 11631 Seaboard Circle,  Stanton, CA 90680 (888)820-8885

Fax: (888)820-8884   email: sales@libertycomponents.com   website: www.libertycomponents.com

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PPTC 
Type PSWSM 

∆

 Dimensions

A B C 

Amax Bmax Cmax  Nom Nom Nom 

PSWSM-010 4.73 3.41 0.81 

3.45 1.78 3.15 

PSWSM-014 4.73 3.41 0.81 

3.45 1.78 3.15 

PSWSM-020 4.73 3.41 0.62 

3.45 1.78 3.15 

PSWSM-035 3.43 2.80 0.62 

2.00 1.00 2.50 

PSWSM-050 4.73 3.41 0.62 

3.45 1.78 3.15 

PSWSM-075 4.73 3.41 0.62 

3.45 1.78 3.15 

PSWSM-110 4.73 3.41 1.25 

3.45 1.78 3.15 

PSWSM-125 4.73 3.41 1.25 

3.45 1.78 3.15 

PSWSM-150 4.73 3.41 1.25 

3.45 1.78 3.15 

PSWSM-160 4.73 3.41 1.25 

3.45 1.78 3.15 

PSWSM-190 11.51 5.33 0.55 9.57 1.45 4.75 
PSWSM-200 4.73 3.41 1.25 

3.45 1.78 3.15 

PSWSM-260 4.73 3.41 2.25 3.45 1.78 3.15 

Model 

B 

A 

C 

B 

B 

A 

C 

Terminals 

Type

PS

PPTC

PS-WSM

units: mm

 Liberty Bell Components, Inc. 11631 Seaboard Circle,  Stanton, CA 90680 (888)820-8885

Fax: (888)820-8884   email: sales@libertycomponents.com   website: www.libertycomponents.com