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 s)
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
1)
Maximum fault voltage V 245 V AC
F,max
Max. operating voltage V 135 V AC
max
Operating temperature range (V = 0) T 20/+125 C
op
Operating temperature range (V = V ) T 0/+70 C
max op
1) The maximum fault voltage V is the highest voltage that is permitted to be applied across the PTC thermistor in protection mode.
F,max
Please read Cautions and warnings and Page 2 of 13
Important notes at the end of this document.