Overload Protection
Disks
B598*0
C 810 … C 890
160 V, 160
°C
Applications
b
5 max.
Features
35 min.
q
Coated thermistor disk
q
Manufacturer’s logo and type designation
stamped on in yellow
q
UL approval (E69802)
q
VDE approval (exception: C810)
Options
q
Leadless disks and leaded disks without
h
q
Overcurrent and short-circuit protection
5
ø
d
TPT0648-4
Dimensions (mm)
Type
C 810
C 830
C 840
C 850
C 860
C 870
C 880
C 890
coating available upon request
q
Thermistors with diameter
b
≤
11,0 mm
are also available on tape
b
max
26,0
22,0
17,5
13,5
11,0
9,0
6,5
4,0
160
110
100
≤
10
160
±
25 %
– 40/+ 125
0/60
∅
d
0,8
0,6
0,6
0,6
0,6
0,6
0,6
0,5
V
V
s
°C
°C
°C
h
max
29,5
25,5
21,0
17,0
14,5
12,5
10,0
7,5
Max. operating voltage (T
A
= 60
°C)
Rated voltage
Switching cycles (typ.)
Switching time at
V
max
,
I
Smax
Reference temperature (typ.)
Resistance tolerance
Operating temperature range (V = 0)
(V =
V
max
)
Type
V
max
V
N
N
t
S
T
Ref
∆
R
N
T
op
T
op
I
N
mA
I
S
mA
1600
1050
800
500
360
250
140
70
C 810
C 830
C 840
C 850
C 860
C 870
C 880
C 890
800
525
400
250
180
125
70
35
I
Smax
(V=V
max
)
A
10,0
7,0
4,1
2,2
1,5
1,0
0,4
0,2
I
r
(typ.)
R
N
(V=V
max
)
mA
Ω
30
2,6
24
3,7
18
6
16
10
13
15
11
25
8
70
6
150
R
min
Ω
1,6
2,2
3,6
6,0
7,8
13,1
36,7
78,7
Ordering code
B59810-C160-A70
B59830-C160-A70
B59840-C160-A70
B59850-C160-A70
B59860-C160-A70
B59870-C160-A70
B59880-C160-A70
B59890-C160-A70
Siemens Matsushita Components
61
B598*0
C 810 … C 890
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
N
versus ambient temperature
T
A
(measured in still air)
62
Siemens Matsushita Components
B598*0
C 810 … C 890
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
N
versus ambient temperature
T
A
(measured in still air)
Siemens Matsushita Components
63