86
10/02
Applications
I
Overcurrent and short-circuit protection
Features
I
Lead-free terminals
I
Manufacturer's logo, date code and
type designation stamped on in black
I
UL approval to UL 1434 with V
max
= 420 V and
V
N
= 380 V (file number E69802), except B 758
Delivery mode
I
Cardboard strips (standard)
I
Cardboard tape reeled or in AMMO pack on request
General technical data
Switching cycles (typ.)
N
Operating temperature range (V = 0)
T
op
(V = V
max
)
T
op
100
40/+ 125
0/+ 60
C
C
Electrical specifications and ordering codes
Type
I
N
mA
I
S
mA
I
Smax
(V=V
max
)
A
t
S
(V
max
,
I
Smax
)
s
I
r
(typ.)
(V=V
max
)
mA
R
N
R
min
Ordering code
V
max
= 420 V, V
N
= 380 V, T
Ref
= 120
C (typ.), R
N
=
25 %
B 750
123
245
2,0
< 6
4,0
25
13
B59750B0120A070
B 751
87
173
2,0
< 4
3,5
50
26
B59751B0120A070
B 752
69
137
2,0
< 4
3,5
80
42
B59752B0120A070
B 770
64
127
1,4
< 4
3,5
70
45
B59770B0120A070
B 753
56
112
2,0
< 3
3,0
120
63
B59753B0120A070
B 754
50
100
2,0
< 3
3,0
150
68
B59754B0120A070
B 771
49
97
1,4
< 3
2,5
120
76
B59771B0120A070
B 772
43
86
1,4
< 3
2,5
150
96
B59772B0120A070
V
max
= 550 V, V
N
= 500 V, T
Ref
= 115
C (typ.), R
N
=
25 %
B 755
28
55
1,4
< 3
2,0
500
230
B59755B0115A070
V
max
= 550 V, V
N
= 500 V, T
Ref
= 120
C (typ.), R
N
=
25 %
B 773
24
48
1,0
< 3
2,0
500
320
B59773B0120A070
V
max
= 550 V, V
N
= 500 V, T
Ref
= 115
C (typ.), R
N
=
25 %
B 774
16
32
1,0
< 2
1,5
1100
700
B59774B0115A070
V
max
= 1000 V, V
N
= 1000 V, T
Ref
= 110
C (typ.), R
N
=
33 %
B 758
8
17
0,5
< 3
3,0
7500
3380
B59758B0110A070
Dimensions (mm)
Type
b
max
h
max
s
max
B 75*
12,5
16,5
7,0
B 77*
8,5
12,1
7,0
B597**
B 750 ... B 774
Leaded Disks, Uncoated, 380 V to 1000 V
Overcurrent Protection
87
10/02
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)
50
PTC
R
PTC
T
TPT0735-D
_
10
1
0
50
100
150
200
250
10
2
10
3
10
4
10
5
10
6
10
7
10
9
B59750B0120A070
B59752B0120A070
B59751B0120A070
B59753B0120A070
C
PTC
V
TPT0737-U
10
0
10
1
2
10
5
1
10
100
1000
V
B59750B0120A070
B59751B0120A070
B59752B0120A070
B59753B0120A070
I
PTC
mA
5
5
0
S
t
S
I
TPT0736-L
A
10
_
1
10
0
10
1
2
10
10
3
s
1
2
3
4
B59750B0120A070
B59751B0120A070
B59752B0120A070
B59753B0120A070
20
A
T
TPT0731-F
0
_
0
20 40 60 80 100 120
C 160
0,2
0,4
0,6
0,8
1,0
1,2
1,4
1,6
2,0
N, 25 C
I
I
N, T
A
B597**
B 750 ... B 774
Leaded Disks, Uncoated, 380 V to 1000 V
Overcurrent Protection
88
10/02
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)
50
PTC
R
PTC
T
TPT0738-3
_
0
50
100
150
200
250
10
2
10
3
10
4
10
5
10
6
10
7
10
10
10
8
B59754B0120A070
B59755B0115A070
B59758B0110A070
C
PTC
V
TPT0739-B
1
10
100
1000
10000
V
5
10
0
10
1
10
2
B59754B0120A070
B59755B0115A070
B59758B0110A070
I
PTC
mA
5
5
0
S
t
S
I
TPT0740-E
10
_
1
10
0
10
1
2
10
10
3
s
0,4
0,8
1,2
1,4
2
2,4
A
B59754B0120A070
B59755B0115A070
B59758B0110A070
20
A
T
TPT0731-F
0
_
0
20 40 60 80 100 120
C 160
0,2
0,4
0,6
0,8
1,0
1,2
1,4
1,6
2,0
N, 25 C
I
I
N, T
A
B597**
B 750 ... B 774
Leaded Disks, Uncoated, 380 V to 1000 V
Overcurrent Protection
89
10/02
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)
50
PTC
R
PTC
T
TPT0741-M
_
10
1
10
2
10
3
10
4
10
5
10
6
10
7
10
9
0
50
100
150
200
300
C
B59772B0120A070
B59771B0120A070
B59770B0120A070
PTC
V
TPT0742-V
0,1
1
10
100
1000
V
10
0
10
1
10
2
3
B59770B0120A070
B59771B0120A070
B59772B0120A070
PTC
I
mA
0
S
t
S
I
TPT0743-4
10
_
1
10
0
10
1
2
10
10
3
s
0,4
0,8
1,2
1,6
2
2,4
A
B59770B0120A070
B59771B0120A070
B59772B0120A070
20
A
T
TPT0731-F
0
_
0
20 40 60 80 100 120
C 160
0,2
0,4
0,6
0,8
1,0
1,2
1,4
1,6
2,0
N, 25 C
I
I
N, T
A
B597**
B 750 ... B 774
Leaded Disks, Uncoated, 380 V to 1000 V
Overcurrent Protection
90
10/02
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)
50
PTC
R
PTC
T
TPT0744-C
_
0
50
100
150
200
250
10
2
10
3
10
4
10
5
10
6
10
7
10
10
10
8
C
B59773B0120A070
B59774B0115A070
PTC
I
PTC
V
TPT0745-K
1
10
100
1000
10000
V
5
10
0
10
1
10
2
B59773B0120A070
B59774B0115A070
mA
5
5
0
S
t
S
I
TPT0746-T
A
10
_
1
10
0
10
1
2
10
10
3
s
0,4
0,8
1,2
1,6
0,2
0,6
1,0
B59773B0120A070
B59774B0115A070
20
A
T
TPT0731-F
0
_
0
20 40 60 80 100 120
C 160
0,2
0,4
0,6
0,8
1,0
1,2
1,4
1,6
2,0
N, 25 C
I
I
N, T
A
B597**
B 750 ... B 774
Leaded Disks, Uncoated, 380 V to 1000 V
Overcurrent Protection
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