Overcurrent Protection
B597**
Leaded Disks, Uncoated, 380 V to 1000 V
B 750 … B 774
Characteristics (typical)
PTC resistance R
versus
PTC current I
versus PTC voltage V
PTC PTC
PTC
PTC temperature T
(measured at 25 °C in still air)
PTC
(measured at low signal voltage)
TPT0738-3
TPT0739-B
1010
102
mA
IPTC
5
Ω
RPTC
B59754B0120A070
B59755B0115A070
B59758B0110A070
108
107
101
5
106
B59754B0120A070
B59755B0115A070
B59758B0110A070
105
104
103
102
100
5
_50
0
50
100 150
200˚C 250
1
10
100
1000 V 10000
VPTC
TPTC
Switching time t versus switching current I
Rated current I versus ambient temperature T
S
S
N
A
(measured at 25 °C in still air)
(measured in still air)
TPT0740-E
TPT0731-F
103
2,0
I
N, TA
s
tS
IN, 25 ˚C
1,6
1,4
1,2
1,0
0,8
0,6
0,4
0,2
0
102
B59754B0120A070
B59755B0115A070
B59758B0110A070
101
100
_1
10
_20
0
20 40 60 80 100 120 ˚C 160
0
0,4
0,8
1,2
1,4
2
A 2,4
IS
TA
88 10/02
EPCOS [ EPCOS ]
