PTC thermistors for
overcurrent protection
Leaded disks, coated, 110 V
Series/Type:
Date:
B598*0
February 2018
© EPCOS AG 2018. Reproduction, publication and dissemination of this publication, enclosures hereto and the
information contained therein without EPCOS' prior express consent is prohibited.
EPCOS AG is a TDK Group Company.
Overcurrent protection
Leaded disks, coated, 110 V
C830 ... C890
Applications
Overcurrent protection
Short circuit protection
Features
Lead-free terminals
Marking: Type, manufacturer's logo,
reference temperature in
°C
and date code
YYWW (no date code for types with
w
max
= 4 mm)
UL approval to UL 1434 with V
max
= 125 V
and V
R
= 110 V (file number E69802)
VDE approval for selected types
(license number 104843)
IECQ certificate for selected types
(file number 101-QA-2)
RoHS-compatible
Options
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
General technical data
Max. operating voltage
Rated voltage
Switching cycles
Reference temperature
Tolerance of R
R
Operating temperature range
Operating temperature range
Dimensional drawing
Dimensions (mm)
Type
C830
C840
C850
C860
C870
C880
C890
w
max
22.0
17.5
13.5
11.0
9.0
6.5
4.0
h
max
25.5
21.0
17.0
14.5
12.5
10.0
7.5
l
min
35
35
25
25
25
25
25
∅d
0.6
0.6
0.6
0.6
0.6
0.6
0.5
(T
A
= 60
°C)
(typ.)
(V = 0)
(V = V
max
)
V
max
V
R
N
T
ref
∆R
R
T
op
T
op
160
110
100
160
±25
40/+125
0/+60
V DC or V AC
V DC or V AC
°C
%
°C
°C
Please read
Cautions and warnings
and
Important notes
at the end of this document.
Page 2 of 11
Overcurrent protection
Leaded disks, coated, 110 V
C830 ... C890
Electrical specifications and ordering codes
Type
I
R
I
S
I
Smax
I
r
R
R
(V = V
max
) (typ.)
(V = V
max
)
A
mA
Ω
7.0
4.1
2.2
1.5
1.0
0.4
0.2
24
18
16
13
11
8
6
3.7
6
10
15
25
70
150
R
min
Approvals
Ordering code
mA
C830
C840
C850
C860
C870
C880
C890
525
400
250
180
125
70
35
mA
1050
800
500
360
250
140
70
Ω
2.2
3.6
6.0
7.8
13.1
36.7
78.7
X
X
X
X
X
X
X
IECQ
B59830C0160A070
B59840C0160A070
B59850C0160A070
B59860C0160A070
B59870C0160A070
B59880C0160A070
B59890C0160A070
X
X
Reliability data
Test
Electrical endurance,
cycling
Electrical endurance,
constant
Damp heat
Standard
IEC 60738-1
IEC 60738-1
IEC 60738-1
Test conditions
Room temperature, I
Smax
; V
max
Number of cycles: 100
Storage at V
max
and T
op,max
(@ V
max
)
Test duration: 1000 h
Temperature of air: 40
°C
Relative humidity of air: 93%
Duration: 56 days
Test according to IEC 60068-2-78
T
1
= T
op,min
(0 V), T
2
= T
op,max
(0 V)
Number of cycles: 5
Test duration: 30 min
Test according to IEC 60068-2-14, test Na
Frequency range: 10 to 55 Hz
Displacement amplitude: 0.75 mm
Test duration: 3
×
2 h
Test according to IEC 60068-2-6, test Fc
Acceleration: 500 m/s
2
Pulse duration: 11 ms; 6
×
3 pulses
Dry heat: T = T
op,max
(0 V)
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
∆R
25
/R
25
< 25%
< 25%
< 10%
Rapid change
of temperature
IEC 60738-1
< 10%
Vibration
IEC 60738-1
< 5%
Shock
Climatic sequence
IEC 60738-1
IEC 60738-1
< 5%
< 10%
Please read
Cautions and warnings
and
Important notes
at the end of this document.
Page 3 of 11
Overcurrent protection
Leaded disks, coated, 110 V
C830 ... C890
Characteristics (typical)
PTC resistance R
PTC
versus
PTC temperature T
PTC
(measured at low signal voltage)
PTC current I
PTC
versus PTC voltage V
PTC
(measured at 25
°C
in still air)
Switching time t
S
versus switching current I
S
(measured at 25
°C
in still air)
Rated current I
R
versus ambient temperature T
A
(measured in still air)
Please read
Cautions and warnings
and
Important notes
at the end of this document.
Page 4 of 11
Overcurrent protection
Leaded disks, coated, 110 V
C830 ... C890
Characteristics (typical)
PTC resistance R
PTC
versus
PTC temperature T
PTC
(measured at low signal voltage)
PTC current I
PTC
versus PTC voltage V
PTC
(measured at 25
°C
in still air)
Switching time t
S
versus switching current I
S
(measured at 25
°C
in still air)
Rated current I
R
versus ambient temperature T
A
(measured in still air)
Please read
Cautions and warnings
and
Important notes
at the end of this document.
Page 5 of 11
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