PTC thermistors for overcurrent
protection in telecom applications
Telecom Pair Protector (TPP), SMD
Series/Type:
Date:
January 2016
© EPCOS AG 2016. 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
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
Options
Alternative tolerances and resistances on request
Internal circuit
Delivery mode
T15** and T16**: 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
1)
Max. operating voltage
Operating temperature range
(V = 0)
Operating temperature range
(V = V
max
)
Insulating test voltage between PTC1 and PTC2
Resistance matching in one housing
V
F,max
V
max
T
op
T
op
V
ins
R
2
R
1
245
135
20/+125
0/+70
>3
< 1.0
V AC
V AC
°C
°C
kV
Ω
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
Telecom pair protector (TPP), SMD
Electrical specifications and ordering codes
Type
R
R
Ω
∆R
R
%
I
R
I
R
I
S
I
Smax
@ 25
°C
@ 70
°C
@ 25
°C
mA
mA
mA
A
65
50
120
70
60
70
60
70
95
60
75
210
170
360
230
190
230
190
230
270
190
240
2.5
2.5
1.0
4.6
2.5
4.6
2.5
4.6
3.6
2.5
4.6
X
X
X
X
X
Approvals
Ordering code
Component height max. 7.3
T1535 35
+15/ 20 100
T1550 50
±15
80
Component height max. 8.3
T1509 9
±10
180
T1535 35
+15/ 20 110
T1550 50
±15
90
Component height max. 9.9
T1635 35
+15/ 20 110
T1650 50
±15
90
Component height max. 10.5
T1735 35
+15/ 20 110
T1735 35
+15/ 20 130
T1750 50
±15
90
Component height max. 11.5
T1835 35
+15/ 20 115
B59535T1120A262
B59550T1120A262
B59509T1120A062
B59535T1120A062
B59550T1120A062
B59635T1120A062
B59650T1120A062
B59735T1120A062
B59735T1150A062
B59750T1120A062
B59835T1120A062
Switching times and ordering codes
Type
t
S
(typ.)
@ I
Smax
s
t
S
(typ.)
@1A
s
t
S
(typ.)
@ 500 mA
s
1.7
1.2
20
3.4
2.4
3.4
2.4
3.4
4.5
2.4
4.5
Ordering code
Component height max. 7.3
T1535
0.07
0.4
T1550
0.05
0.3
Component height max. 8.3
T1509
4
4
T1535
0.04
0.8
T1550
0.1
0.6
Component height max. 9.9
T1635
0.04
0.8
T1650
0.1
0.6
Component height max. 10.5
T1735
0.04
0.8
T1735
0.1
1.1
T1750
0.1
0.6
Component height max. 11.5
T1835
0.06
1.1
B59535T1120A262
B59550T1120A262
B59509T1120A062
B59535T1120A062
B59550T1120A062
B59635T1120A062
B59650T1120A062
B59735T1120A062
B59735T1150A062
B59750T1120A062
B59835T1120A062
Please read
Cautions and warnings
and
Important notes
at the end of this document.
Page 3 of 13
Overcurrent protection for telecom
Telecom pair protector (TPP), SMD
Internal circuit
Dimensional drawings in mm
Maximum component height 7.3 mm
Solder pad
Maximum component height 8.3 mm
Solder pad
Please read
Cautions and warnings
and
Important notes
at the end of this document.
Page 4 of 13
Overcurrent protection for telecom
Telecom pair protector (TPP), SMD
Dimensional drawings in mm
Maximum component height 9.9 mm
Solder pad
Maximum component height 10.5 mm
Solder pad
Maximum component height 11.5 mm
Solder pad
Please read
Cautions and warnings
and
Important notes
at the end of this document.
Page 5 of 13
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