PTC thermistors for overcurrent
protection in telecom applications
Leaded disks
Series/Type:
Date: December 2010
© EPCOS AG 2010. Reproduction, publication and dissemination of this publication, enclosures hereto and the
information contained therein without EPCOS' prior express consent is prohibited.
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.)
Suitable for continuous connection to mains voltages of 110/230 V AC
in tripped (high-ohmic) condition
Matching available with narrow resistance tolerance
Tight resistance matching maintained after switching
Negligible resistance drift after soldering or switching
Marked with manufacturer's logo, type designation and date code
RoHS-compatible
Options
Alternative tolerances and resistances on request
Delivery mode
Cardboard tape, 360-mm reel, taping to IEC 60286-2 or untaped on cardboard strips
General technical data
Max. operating voltage V
max
245 V AC
Operating temperature range (V = 0) T
op
20/+125 °C
Operating temperature range (V = 230 V) T
op
0/+70 °C
Overcurrent protection for telecom
Leaded disks
Page 2 of 13Please read Cautions and warnings and
Important notes at the end of this document.
1) Please note - additional tests and test conditions
Electrical specifications and ordering codes
Type
R
R
R
R
%
R
25,match
(per packing unit)
R
1
R
2
max
I
R
@
25°C
mA
I
R
@
70°C
mA
I
S
@
25°C
mA
I
Smax
@
230 V AC
A
Ordering code
C1805 4.75 +15/20 0.25 160 70 370 1.0 B59805C1080A151
B1048 6 ±15 0.8 140 65 300 2.5 B59048B1080B151
C1098 6 ±17 No 185 110 440 1.0 B59098C1100B051
B1010 9 ±20 No 150 100 370 3.0 B59010B1120A070
S1022 10 ±15 No 160 110 375 2.5 B59022S1120A051
B1042 10 ±15 1.0 150 100 350 1.0 B59042B1120B151
B1070 10 ±20 1.0 135 90 340 5.0 B59070B1105B151
B1076 10 ±20 1.0 140 95 340 1.0 B59076B1120B151
B1076 10 ±20 1.0 140 95 340 1.0 B59076B1120B153
B1012 12 ±15 No 90 35 210 1.0 B59012B1080B070
S1071 17.5 ±20 2.0 150 100 250 1.5 B59071S1120B151
B1084 20 +10/20 0.5 100 65 240 3.0 B59084B1120A151
B1008 25 ±15 1.0 100 70 240 3.0 B59008B1130A051
S1023 25 ±15 No 95 65 225 2.8 B59023S1120A070
B1045 25 ±15 1.0 90 60 210 3.0 B59045B1120B151
B1069 25 ±20 No 60 25 150 0.9 B59069B1080B051
B1069 25 ±20 1.0 60 25 150 0.9 B59069B1080B151
B1069 25 ±15 No 85 55 200 0.9 B59069B1120A051
B1603 25 ±20 0.6 100 65 200 1.5 B59603B1120B157
S1024 35 ±15 2.0 70 45 170 1.0 B59024S1120A151
C1154 50 ±15 1.0 65 45 150 2.5 B59154C1130A151
C1154 50 ±10 1.0 65 45 150 2.5 B59154C1130B151
U1154
1)
50 ±15 1.0 90 60 190 2.5 B59154U1135B151
B1184 50 ±15 1.0 60 40 140 2.5 B59184B1120A151
C1184 50 ±15 1.0 65 45 150 4.0 B59184C1120B153
C1184
1)
50 ±15 1.0 100 60 210 2.5 B59184C1130A151
C1173
1)
55 ±15 3.0 90 60 210 2.5 B59173C1130A151
Overcurrent protection for telecom
Leaded disks
Page 3 of 13Please read Cautions and warnings and
Important notes at the end of this document.

B59042B1120B151

Mfr. #:
Manufacturer:
EPCOS / TDK
Description:
THERMISTOR PTC 10 OHM 15% DISC
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
T/T Paypal Visa MoneyGram Western Union