EPCOS EPC B59960-C80 Datasheet

PTC thermistors for
overcurrent protection

Leaded disks, coated, 63 V

Series/Type: B599*0

Date: February 2012

© EPCOS AG 2012. Reproduction, publication and dissemination of this publication, enclosures hereto and the
information contained therein without EPCOS' prior express consent is prohibited.

Overcurrent protection

Leaded disks, coated, 63 V C910 ... C990

Applications

Overcurrent protection
Short circuit protection

Features

Lead-free terminals
Wide range of rated currents:
30 mA up to 1 A
Marking: Type, manufacturer's logo,
reference temperature in °C and date code
YYWW (except B59980C0130C* and
B59990C*)
UL approval for T
UL 1434 with V

= 120 °C and 130 °C to

ref

= 65 V and VR= 63 V

max

(file number E69802)
UL approval for T
V

= 63 V and VR= 50 V

max

= 80 °C to UL 1434 with

ref

(file number E69802)
VDE approval for selected types
(license number 104843 E)
RoHS-compatible

Options

Leadless disks and leaded disks without
coating available on request
Thermistors with diameter w ≤11.0 mm are
also available on tape (to IEC 60286-2)

Delivery mode

Cardboard strips (standard)
Cardboard tape reeled or in Ammo pack on
request

Dimensional drawing

Dimensions (mm)

Type

T

ref

w

max

h

max

∅d

°C

C910 130 22.0 25.5 0.8
C930 80 22.0 25.5 0.6
C930 120 22.0 25.5 0.6
C930 130 17.5 21.0 0.8
C940 80 17.5 21.0 0.6
C940 120 17.5 21.0 0.6
C950 80 13.5 17.0 0.6
C950 120 13.5 17.0 0.6
C950 130 11.0 14.5 0.6
C960 80 11.0 14.5 0.6
C960 120 11.0 14.5 0.6
C960 130 9.0 12.5 0.6
C970 80 9.0 12.5 0.6
C970 120 9.0 12.5 0.6
C970 130 6.5 10.0 0.6
C980 80 6.5 10.0 0.6
C980 120 6.5 10.0 0.6
C980 130 4.0 7.5 0.6
C990 80 4.0 7.5 0.5
C990 120 4.0 7.5 0.5

Important notes at the end of this document.

Page 2 of 15Please read Cautions and warnings and

Overcurrent protection

Leaded disks, coated, 63 V C910 ... C990

General technical data

Max. operating voltage (T
Rated voltage V

= 60 °C) V

A

80 V DC or V AC

max

63 V DC or V AC

R

Switching cycles N 100
Tolerance of R
Tolerance of R

R

R

Operating temperature range (V = 0) T
Operating temperature range (V = V
Operating temperature range (V = V

(T

= 80 °C or 120 °C) ∆RR±25 %

ref

(T

= 130 °C) ∆RR±20 %

ref

, T

= 80 °C) T

max

ref

, T

= 120 °C/130 °C) T

max

ref

op

op

op

40/+125 °C
40/+85 °C
40/+125 °C

Electrical specifications and ordering codes

I

I

Type

R

mA

S

mA

I

Smax

(V = V

A

max

)

I

r

(typ.)
(V = V
mA

max

)

T

ref

(typ.)

°C

R

R

R

Ω

Approvals Ordering code

min

Ω

C910 1000 1500 10.0 60 130 1.2 0.8 X  B59910C0130A070
C930 700 1400 10.0 50 120 1.65 1.1 X  B59930C0120A070
C930 700 1100 8.0 50 130 2.2 1.5 X  B59930C0130A070
C940 450 900 8.0 40 120 2.3 1.5 X  B59940C0120A070
C930 340 700 10.0 35 80 1.65 1.1 X  B59930C0080A070
C950 320 640 5.5 30 120 3.7 2.4 X  B59950C0120A070
C950 320 500 4.3 25 130 4.9 3.2 X  B59950C0130A070
C960 250 500 4.3 25 120 5.6 3.7 X  B59960C0120A070
C960 250 380 3.0 20 130 8.0 5.2 X  B59960C0130A070
C940 245 500 8.0 25 80 2.3 1.5 X X B59940C0080A070
C950 170 350 5.5 20 80 3.7 2.4 X X B59950C0080A070
C970 150 300 3.0 20 120 9.4 6.2 X  B59970C0120A070
C970 150 240 1.0 18 130 20 13.2 X X B59970C0130A070
C960 130 265 4.3 15 80 5.6 3.7 X X B59960C0080A070
C970 90 190 3.0 11 80 9.4 6.2 X X B59970C0080A070
C980 85 170 1.0 16 120 25 16.5 X  B59980C0120A070
C980 85 130 0.7 15 130 62 40.9 X X B59980C0130A070
C980 50 110 1.0 8 80 25 16.5 X X B59980C0080A070
C990 50 100 0.7 12 120 55 36.3 X  B59990C0120A070
C990 30 60 0.7 5 80 55 36.3 X X B59990C0080A070

Important notes at the end of this document.

Page 3 of 15Please read Cautions and warnings and

Overcurrent protection

Leaded disks, coated, 63 V C910 ... C990

Reliability data

Test Standard Test conditions ∆R

Electrical endurance,
cycling

Electrical endurance,
constant

Damp heat IEC 60738-1 Temperature of air: 40 °C

IEC 60738-1 Room temperature, I

Number of cycles: 100

IEC 60738-1 Storage at V

max/Top,max(Vmax

Test duration: 1000 h

Smax

; V

max

< 25%

)

< 25%

< 10%
Relative humidity of air: 93%
Duration: 56 days
Test according to IEC 60068-2-78

Rapid change
of temperature

IEC 60738-1 T1= T

Number of cycles: 5

(0 V), T2= T

op,min

op,max

(0 V)

< 10%

Test duration: 30 min
Test according to IEC 60068-2-14, test Na

Vibration IEC 60738-1 Frequency range: 10 to 55 Hz

< 5%
Displacement amplitude: 0.75 mm
Test duration: 3 × 2 h
Test according to IEC 60068-2-6, test Fc

Shock IEC 60738-1 Acceleration: 390 m/s

2

< 5%
Pulse duration: 6 ms; 6 × 4000 pulses

Climatic sequence IEC 60738-1 Dry heat: T = T

op,max

(0 V)

< 10%
Test duration: 16 h
Damp heat first cycle
Cold: T = T

op,min

(0 V)
Test duration: 2 h
Damp heat 5 cycles
Tests performed according to
IEC 60068-2-30

25/R25



Important notes at the end of this document.

Page 4 of 15Please read Cautions and warnings and

Overcurrent protection

Leaded disks, coated, 63 V C910 ... C990

Characteristics (typical) for T

PTC resistance R
PTC temperature T

PTC

versus

PTC

= 80 °C

ref

(measured at low signal voltage)

Switching time tSversus switching current I
(measured at 25 °C in still air)

PTC current I

versus PTC voltage V

PTC

(measured at 25 °C in still air)

Rated current IRversus ambient temperature T

S

(measured in still air)

PTC

A

Important notes at the end of this document.

Page 5 of 15Please read Cautions and warnings and