EPCOS B59975C0160A070

Overcurrent Protection
B599*5
Leaded Disks, Coated, 12 V
C 935 … C 995
Applications
3,5 max.
b
■ Overcurrent and short-circuit protection
h
Features
■ Lead-free terminals
■ Manufacturer’s logo and type designation
stamped on in yellow
Low resistance
For rated currents of up to 2,1 A
High thermal stability
UL approval to UL 1434 (file number E69802)
VDE approval (license number 104843 E)
35 min.
■
■
■
■
■
5
ød
TPT0647-V
Dimensions (mm)
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
Type
C 935
C 945
C 955
C 965
C 975
C 985
C 995
bmax
22,0
17,5
13,5
11,0
9,0
6,5
4,0
∅d
0,6
0,6
0,6
0,6
0,6
0,6
0,5
hmax
25,5
21,0
17,0
14,5
12,5
10,0
7,5
General technical data
Max. operating voltage (TA = 60 °C)
Rated voltage
Switching cycles (typ.)
Reference temperature (typ.)
Resistance tolerance
Operating temperature range (V = 0)
(V = Vmax)
Vmax
VN
N
TRef
∆R N
Top
Top
20
12
100
160
± 25 %
– 40/+ 125
0/+ 60
VDC or VAC
VDC or VAC
°C
°C
°C
Electrical specifications and ordering codes
Type
IN
IS
C 935
C 945
C 955
C 965
C 975
C 985
C 995
mA
2100
1500
950
700
550
300
150
mA
4150
3050
1900
1450
1100
600
300
ISmax
(V=V max)
A
10,0
8,0
5,5
4,3
3,0
1,0
0,7
Ir (typ.)
(V=V max)
mA
240
170
120
105
85
65
40
Ir (typ.)
(V=VN)
mA
380
270
190
165
135
100
65
51
10/02
RN
Rmin
Ordering code
Ω
0,3
0,45
0,8
1,2
1,8
4,6
13
Ω
0,2
0,3
0,5
0,7
1,1
2,7
7,8
B59935C0160A070
B59945C0160A070
B59955C0160A070
B59965C0160A070
B59975C0160A070
B59985C0160A070
B59995C0160A070
Overcurrent Protection
B599*5
Leaded Disks, Coated, 12 V
C 935 … C 995
Reliability data
Test
Standard
Test conditions
| ∆R25 /R25 |
Switching test
at room temperature
IEC 60738-1
ISmax
V max
Number of cycles: 100
< 25%
Dry heat at upper
category temperature
IEC 60738-1
Storage at upper category temperature < 25%
for
t : 1000 h
Life test at V max /Top
IEC 60738-1
Storage at V max /Top for
t : 1000 h
< 25%
Storage in damp heat
IEC 60068-2-3
Temperature of air: 40 °C
Relative humidity of air: 93%
Duration: 56 days
< 10%
Rapid change
of temperature in air
IEC 60068-2-14,
Test N a
T = TLCT, T = TUCT
Number of cycles: 5
t : 30 min
< 10%
Vibration
IEC 60068-2-6,
Test FC
f = 10–55 Hz
h = 0,75 mm (respectively 10 g)
t: 3 · 2 h
< 5%
Bump
IEC 60068-2-27
Pulse shape: half-sine
a : = 50 g
Pulse duration: 1 ms; 6 · 3 pulses
< 5%
Climatic sequence
IEC 60068-2-30
Dry heat: T = TUCT
t : 16 h
Damp heat first cycle
Cold: T = TLCT
t: 2 h
Damp heat 5 cycles
< 10%
52
10/02
Overcurrent Protection
B599*5
Leaded Disks, Coated, 12 V
C 935 … C 995
Characteristics (typical)
PTC resistance RPTC versus
PTC temperature TPTC
(measured at low signal voltage)
PTC current IPTC versus PTC voltage VPTC
(measured at 25 °C in still air)
TPT0706-Z
10 4
Ω
TPT0708-G
5
mA
I PTC
R PTC
10 3
10 3
10 2
5
10 1
B59935C0160A070
B59945C0160A070
B59955C0160A070
B59935C0160A070
B59945C0160A070
B59955C0160A070
10 0
10 2
_
10 _1
50
5
0
50
100 150 200
˚C 300
TPTC
Switching time tS versus switching current IS
(measured at 25 °C in still air)
tS
I N, TA
s
10
V 100
V PTC
Rated current IN versus ambient temperature TA
(measured in still air)
TPT0707-8
10 3
1
0,1
TPT0727-M
2,0
I N, 25 ˚C
1,6
10 2
1,4
B59935C0160A070
B59945C0160A070
B59955C0160A070
10 1
1,2
1,0
0,8
0,6
10 0
0,4
0,2
10
_1
0
8
16
24
32
0_
40 A 48
IS
53
20 0
10/02
20 40 60 80 100 120 ˚C 160
TA
Overcurrent Protection
B599*5
Leaded Disks, Coated, 12 V
C 935 … C 995
Characteristics (typical)
PTC resistance RPTC versus
PTC temperature TPTC
(measured at low signal voltage)
PTC current IPTC versus PTC voltage VPTC
(measured at 25 °C in still air)
TPT0712-9
10 6
Ω
R PTC
TPT0714-Q
10 3
mA
I PTC
10 5
10 4
10 3
B59965C0160A070
B59975C0160A070
B59985C0160A070
B59995C0160A070
10 2
10 2
B59965C0160A070
B59975C0160A070
B59985C0160A070
B59995C0160A070
10 1
10_0
50
0
50
100 150 200
Switching time tS versus switching current IS
(measured at 25 °C in still air)
I N, TA
s
1
10
V 100
V PTC
Rated current IN versus ambient temperature TA
(measured in still air)
TPT0713-H
10 3
tS
10 1
0,1
˚C 300
TPTC
TPT0727-M
2,0
I N, 25 ˚C
1,6
10 2
1,4
B59965C0160A070
B59975C0160A070
B59985C0160A070
B59995C0160A070
10 1
1,2
1,0
0,8
0,6
10 0
0,4
0,2
10
_1
0
2
4
6
0_
A 8
20 0
IS
54
10/02
20 40 60 80 100 120 ˚C 160
TA
Herausgegeben von EPCOS AG
Unternehmenskommunikation, Postfach 80 17 09, 81617 München, DEUTSCHLAND
++49 89 636 09, FAX (0 89) 636-2 26 89
(
 EPCOS AG 2002. Vervielfältigung, Veröffentlichung, Verbreitung und Verwertung dieser Broschüre und ihres Inhalts ohne ausdrückliche Genehmigung der EPCOS AG nicht gestattet.
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Published by EPCOS AG
Corporate Communications, P.O. Box 80 17 09, 81617 Munich, GERMANY
++49 89 636 09, FAX (0 89) 636-2 26 89
(
 EPCOS AG 2002. Reproduction, publication and dissemination of this brochure and the information contained therein without
EPCOS’ prior express consent is prohibited.
Purchase orders are subject to the General Conditions for the Supply of Products and Services of the Electrical and Electronics
Industry recommended by the ZVEI (German Electrical and Electronic Manufacturers’ Association), unless otherwise agreed.
This brochure replaces the previous edition.
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Due to technical requirements components may contain dangerous substances. For information on the type in question please
also contact one of our Sales Offices.