PTC thermistors for overcurrent
protection in telecom applications
Telecom Pair Protector (TPP), SMD
Series/Type:
Date: March 2013
The following products presented in this data sheet are being withdrawn.
Ordering Code Substitute Product Date of Deadline Last Last Shipments
Withdrawal Orders
B59875T1120A062 B59850T1120A062 2013-05-03 2014-06-01 2014-09-01
or
B59970T1100A062
B59810T1120A062 B59805T1080A062 2013-05-03 2014-06-01 2014-09-01
or
B59510T1120A062
For further information please contact your nearest EPCOS sales office, which will also support
you in selecting a suitable substitute. The addresses of our worldwide sales network are
presented at www.epcos.com/sales.
EPCOS AG 2015. 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
Telecom pair protector (TPP), SMD
Applications Internal circuit
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
Two resistance-matched PTCs in a plastic housing
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.)
Compliant with GR-1089 AC power contact 120 V, 25 A, 15
min.
Suitable for continuous connection to mains voltages of
110/230 V AC in tripped (high-ohmic) condition
Housing material to UL94-V0
UL approval to UL 1434 (file number E69802) for selected
types
Tight resistance matching maintained after switching
Negligible resistance drift after reflow soldering or switching
Marked with manufacturer's logo, type designation and date
code
RoHS-compatible
Options
Alternative tolerances and resistances on request
Delivery mode
T15**: Blister tape, 330-mm reel with 16-mm tape, taping to IEC 60286-3
T17** and T18**: Blister tape, 380-mm reel with 24-mm tape, taping to IEC 60286-3
General technical data
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/+60 C
max op
Insulating test voltage between PTC1 and PTC2 V > 3 kV
ins
Resistance matching in one housing for R 4.75 R R < 0.5
R 2 1
Resistance matching in one housing for R 50 R R < 1.0
R 2 1
Resistance matching in one housing for R = 75 R R < 2.0
R 2 1
Please read Cautions and warnings and Page 2 of 13
Important notes at the end of this document.