PTC thermistors for overcurrent
protection in telecom applications
Leaded disks
Series/Type:
Date:
July 2017
© EPCOS AG 2017. 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 for telecom
Leaded disks
Applications
Overcurrent protection for telecom applications
Suitable for line card applications e.g. POTS, access networks,
customer premises equipment (CPE) or integrated voice data (IVD)
Features
Compliant with ITU-T standards
basic-level lightning surges (10/700 µs)
basic-level power induction (600 V, 1 A, 0.2 s)
power contact criteria A/B (230 V, 15 min.)
Matching available with narrow resistance tolerance
Tight resistance matching maintained after switching
Negligible resistance drift after soldering or switching
Marking: Type, manufacturer's logo, reference temperature in
°C
and date code YYWW
UL approval to UL 1434 (file number E69802) for B59154U1135B140, B59184C1120B153 and
B59184C1130A151
RoHS-compatible
Options
Alternative tolerances and resistances on request
Delivery mode
Taped on reel: Cardboard tape, 360-mm reel, taping to IEC 60286-2
Bulk: In plastic bags
General technical data
Maximum fault voltage
1)
Max. operating voltage
Operating temperature range
Operating temperature range
V
F,max
V
max
T
op
T
op
245
135
20/+125
0/+70
V AC
V AC
°C
°C
(V = 0)
(V = V
max
)
1) The maximum fault voltage V
F,max
is the highest voltage that is permitted to be applied across the PTC thermistor in protection mode.
Please read
Cautions and warnings
and
Important notes
at the end of this document.
Page 2 of 13
Overcurrent protection for telecom
Leaded disks
Electrical specifications and ordering codes
Type
R
R
∆R
R
R
25,match
(per packing unit)
R
1
R
2 max
Ω
No
1
1
3
1.0
1.0
3.0
3
I
R
@
25°C
mA
185
80
65
95
90
100
90
115
I
R
@
70°C
mA
110
40
45
63
60
60
60
90
I
S
@
25°C
mA
440
240
150
250
190
210
210
270
I
Smax
Ordering code
C1098
C1084
U1154
C1172
C1184
C1184
C1173
C1183
Ω
6
20.8
50
50
50
50
55
55
%
±17
±20
±15
±15
±15
±15
±15
±15
A
3.0
3.0
2.5
2.0
2.5
2.5
2.5
3.0
B59098C1100B051
B59084C1080B140
B59154U1135B140
B59172C1130A151
B59184C1120B153
B59184C1130A151
B59173C1130A151
B59183C1160A140
Switching times and ordering codes
Type
R
R
Ω
6
20.8
50
50
50
50
55
55
t
S
(typ.)
@ I
Smax
s
1.5
0.06
0.05
0.25
0.06
0.08
0.09
0.25
t
S
(typ.)
@1A
s
14.0
0.5
0.3
1.7
0.8
1.1
1.3
2.3
t
S
(typ.)
@ 500 mA
s
70.0
2.0
1.1
6.0
3.1
4.0
5.0
9.0
Ordering code
C1098
C1084
U1154
C1172
C1184
C1184
C1173
C1183
B59098C1100B051
B59084C1080B140
B59154U1135B140
B59172C1130A151
B59184C1120B153
B59184C1130A151
B59173C1130A151
B59183C1160A140
Please read
Cautions and warnings
and
Important notes
at the end of this document.
Page 3 of 13
Overcurrent protection for telecom
Leaded disks
Dimensional drawings
1)
Figure 1
Figure 2
1) The lead length stated in the dimensional drawing refers to the untaped version. For dimensions of the taped version, see chapter
"Taping and packing".
Dimensions in mm
Type
C1098
C1084
U1154
C1172
C1184
C1184
C1173
C1183
R
R
Ω
6
20.8
50
50
50
50
55
55
w
max
mm
13.0
7.5
6.0
8.0
9.0
9.0
8.0
9.5
h
max
mm
17.0
4.0
10.0
11.0
12.5
13.0
11.0
13.0
th
max
mm
5.0
10.5
4.0
5.5
4.5
4.5
5.5
6.0
Figure
Figure 1
Figure 2
Figure 2
Figure 1
Figure 1
Figure 1
Figure 1
Figure 2
Packaging
Taped on reel
Bulk
Bulk
Taped on reel
Taped on reel
Taped on reel
Taped on reel
Bulk
Ordering code
B59098C1100B051
B59084C1080B140
B59154U1135B140
B59172C1130A151
B59184C1120B153
B59184C1130A151
B59173C1130A151
B59183C1160A140
Please read
Cautions and warnings
and
Important notes
at the end of this document.
Page 4 of 13
Overcurrent protection for telecom
Leaded disks
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: 10
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: 400 m/s
2
Pulse duration: 6 ms; 6
×
5000 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
< 20%
< 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 5 of 13
ADI Reference Circuit
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