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
Two resistance-matched PTCs in a plastic housing
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.)
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
Internal circuit
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
F,max
245 V AC
Max. operating voltage V
max
135 V AC
Operating temperature range (V = 0) T
op
20/+125 °C
Operating temperature range (V = V
max
) T
op
0/+60 °C
Insulating test voltage between PTC1 and PTC2 V
ins
> 3 kV
Resistance matching in one housing for R
R
≤ 4.75 Ω R
2
R
1
< 0.5 Ω
Resistance matching in one housing for R
R
≤ 50 Ω R
2
R
1
< 1.0 Ω
Resistance matching in one housing for R
R
= 75 Ω R
2
R
1
< 2.0 Ω
Overcurrent protection for telecom
Telecom pair protector (TPP), SMD
Page 2 of 13Please read Cautions and warnings and
Important notes at the end of this document.
