PTC thermistors for overcurrent
protection
Leaded disks, coated, 230 V
Series/Type:
B598**
Date:
March 2006
EPCOS AG 2006. Reproduction, publication and dissemination of this publication, enclosures hereto and the
information contained therein without EPCOS' prior express consent is prohibited.
Applications
Overcurrent and short-circuit protection
Features
Lead-free terminals
Manufacturer's logo and type designation stamped on in black or red for T
ref
= 80
C
and for T
ref
= 120
C and 130
C stamped on in white
Short response times
UL approval for T
ref
= 130
C to UL 1434 with V
max
= 220 V and V
R
= 220 V
(file number E69802)
UL approval for T
ref
= 120
C to UL 1434 with V
max
= 230 V and V
R
= 220 V
(file number E69802)
UL approval for T
ref
= 80
C to UL 1434 with V
max
= 165 V and V
R
= 145 V (file number E69802)
VDE approval (license number 104843 E), except C810
RoHS-compatible
Options
Leadless disks and leaded disks without coating available on request
Thermistors with diameter b
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
Overcurrent protection
Leaded disks, coated, 230 V
C810 ... C890
Page 2 of 15
Please read Important notes and
Cautions and warnings at the end of this document.
Dimensional drawing
Dimensions (mm)
Type
T
ref
C
b
max
h
max
d
C810
130
22.0
25.5
0.8
C830
80
22.0
25.5
0.6
C830
120
22.0
25.5
0.6
C830
130
17.5
21.0
0.8
C840
80
17.5
21.0
0.6
C840
120
17.5
21.0
0.6
C840
130
13.5
17.0
0.6
C850
80
13.5
17.0
0.6
C850
120
13.5
17.0
0.6
C850
130
11.0
14.5
0.6
C860
80
11.0
14.5
0.6
C860
120
11.0
14.5
0.6
C860
130
9.0
12.5
0.6
C870
80
9.0
12.5
0.6
Type
T
ref
C
b
max
h
max
d
C870
120
9.0
12.5
0.6
C870
130
6.5
10.0
0.6
C872
120
9.0
12.5
0.6
C873
120
9.0
12.5
0.6
C874
120
9.0
12.5
0.6
C875
120
9.0
12.5
0.6
C880
80
6.5
10.0
0.6
C880
120
6.5
10.0
0.6
C880
130
4.0
7.5
0.6
C883
120
6.5
10.0
0.6
C890
80
4.0
7.5
0.5
C890
120
4.0
7.5
0.5
General technical data
Max. operating voltage
(T
A
= 60
C)
V
max
265
VDC or VAC
Rated voltage
V
R
230
VDC or VAC
Switching cycles
N
100
Tolerance of R
R
(T
ref
= 80
C or 120
C)
R
R
25
%
Tolerance of R
R
(T
ref
= 130
C)
R
R
20
%
Operating temperature range
(V = 0)
T
op
40/+125
C
Operating temperature range
(V = V
max
)
T
op
0/+60
C
Overcurrent protection
Leaded disks, coated, 230 V
C810 ... C890
Page 3 of 15
Please read Important notes and
Cautions and warnings at the end of this document.
Electrical specifications and ordering codes
Type
I
R
mA
I
S
mA
I
Smax
(V = V
max
)
A
I
r
(V = V
max
)
typ.
mA
T
ref
C
R
R
R
min
Ordering code
C810
650
980
7.0
20
130
3.5
2.3
B59810C0130A070
C830
460
920
7.0
20
120
3.7
2.4
B59830C0120A070
C830
450
680
4.1
15
130
5
3.3
B59830C0130A070
C840
330
660
4.1
15
120
6
3.8
B59840C0120A070
C840
330
500
2.2
13
130
9
5.9
B59840C0130A070
C830
250
510
7.0
15
80
3.7
2.2
B59830C0080A070
C850
200
400
2.2
13
120
10
6.4
B59850C0120A070
C850
200
320
1.5
10
130
13
8.6
B59850C0130A070
C840
170
350
4.1
10
80
6
3.6
B59840C0080A070
C860
140
280
1.5
10
120
15
9
B59860C0120A070
C860
140
230
1.0
9
130
25
16.5
B59860C0130A070
C850
110
230
2.2
8
80
10
6
B59850C0080A070
C870
100
150
0.4
6
130
50
33
B59870C0130A070
C870
100
200
1.0
9
120
25
15
B59870C0120A070
C860
90
180
1.5
6
80
15
7.8
B59860C0080A070
C872
80
160
1.0
9
120
35
21
B59872C0120A070
C873
70
140
1.0
9
120
45
27
B59873C0120A070
C870
60
130
1.0
5
80
25
13
B59870C0080A070
C874
60
125
1.0
9
120
55
31
B59874C0120A070
C880
55
110
0.4
6
120
70
39
B59880C0120A070
C875
55
110
1.0
9
120
65
36
B59875C0120A070
C880
55
90
0.2
5
130
160
106
B59880C0130A070
C883
35
70
0.4
5
120
120
67
B59883C0120A070
C890
30
60
0.2
5
120
150
84
B59890C0120A070
C880
30
70
0.4
4
80
70
36.7
B59880C0080A070
C890
15
40
0.2
3
80
150
78.7
B59890C0080A070
Overcurrent protection
Leaded disks, coated, 230 V
C810 ... C890
Page 4 of 15
Please read Important notes and
Cautions and warnings at the end of this document.
Reliability data
Test
Standard
Test conditions
R
25
/R
25
Electrical endurance,
cycling
IEC 60738-1
Room temperature, I
Smax;
V
max
Number of cycles: 100
< 25%
Electrical endurance,
constant
IEC 60738-1
Storage at V
max
/T
op
Test duration : 1000 h
< 25%
Damp heat
IEC 60738-1
Temperature of air: 40
C
Relative humidity of air: 93%
Duration: 56 days
Test according to IEC 60068-2-78
< 10%
Rapid change
of temperature
IEC 60738-1
T = T
LCT
, T = T
UCT
Number of cycles: 5
Test duration: 30 min
Test according to IEC 60068-2-14, Test Na
< 10%
Vibration
IEC 60738-1
Frequency range: 10 to 55 Hz
Displacement amplitude: 0.75 mm
Test duration: 3 2 h
Test according to IEC 60028-2-6, Test Fc
< 5%
Bump
IEC 60738-1
Pulse shape: half-sine
Acceleration: 50 g
Pulse duration: 1 ms; 6 3 pulses
Test according to IEC 60068-2-29
< 5%
Climatic sequence
IEC 60738-1
Dry heat: T = T
UCT
Test duration: 16 h
Damp heat first cycle
Cold: T = T
LCT
Test duration: 2 h
Damp heat 5 cycles
Tests performed according to
IEC 60068-2-30
< 10%
Overcurrent protection
Leaded disks, coated, 230 V
C810 ... C890
Page 5 of 15
Please read Important notes and
Cautions and warnings at the end of this document.
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