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Telecom Design Guide • © 2006 Littelfuse 3 - 25 www.littelfuse.com
SIDACtor Devices
T10A SIDACtor® Device
The bi-directional T10A devices are a through-hole technology SIDACtor protector. It is
intended for cost-sensitive telecommunication applications. This T10 SIDACtor series
enables equipment to comply with various regulatory requirements including GR 1089, ITU
K.20, K.21, and K.45, IEC 60950, UL 60950, and TIA-968-A (formerly known as FCC
Part 68).
* For surge ratings, see table below.
General Notes:
• All measurements are made at an ambient temperature of 25 °C. IPP applies to -40 °C through +85 °C temperature range.
• IPP is a repetitive surge rating and is guaranteed for the life of the product.
• Listed SIDACtor devices are bi-directional. All electrical parameters and surge ratings apply to forward and reverse polarities.
• VDRM is measured at IDRM.
• VS is measured at 0.5 V/µs.
• Special voltage (VS and VDRM) and holding current (IH) requirements are available upon request.
* Current waveform in µs
** Voltage waveform in µs
Electrical Parameters
Part
Number *
VDRM @ 5 µA
Volts
VS
Volts
VT
Volts
IS
mAmps
IH
mAmps
pF
TYP
T10A060B 58 80 4 800 120 50
T10A060E 58 80 4800 180 50
T10A062 60 82 4 800 150 50
T10A068 65 90 4800 150 50
T10A080B 75 120 4 800 120 43
T10A080E 75 120 4800 180 43
T10A100 100 133 4 800 150 43
T10A110B 110 135 4800 120 38
T10A110E 110 135 4 800 180 38
T10A120 120 160 4800 150 38
T10A130 130 173 4 800 150 38
T10A140B 140 170 4800 120 34
T10A140E 140 170 4 800 180 34
T10A180 180 240 4800 150 34
T10A180B 175 210 4 800 120 32
T10A180E 175 210 4800 180 32
T10A200 200 267 4 800 150 30
T10A220 220 293 4800 150 30
T10A220B 215 265 4 800 120 30
T10A220E 215 265 4800 180 30
T10A240 240 320 4 800 150 30
T10A270 270 360 4800 150 30
T10A270B 270 360 4 800 120 30
T10A270E 270 360 4800 180 30
Surge Ratings in Amps
Series
IPP
ITSM
50 / 60 Hz di/dt
8x20 *
1.2x50 **
5x310 *
10x700 **
10x1000 *
10x1000 **
Amps Amps Amps Amps Amps/µs
A 100 37.5 50 30 100
W
www.littelfuse.com 3 - 26 © 2006 Littelfuse • Telecom Design Guide
T10A SIDACtor® Device
Thermal Considerations
Package Symbol Parameter Value Unit
DO-15 TJOperating Junction Temperature Range 150 °C
TSStorage Temperature Range -40 to +150 °C
RθJA Thermal Resistance: Junction to Ambient 60 °C/W
I
H
I
T
I
S
I
DRM
V
DRM
V
T
+
V
-V
+I
-I
V
S
V-I Characteristics
50
100
0
t
r
t
d
0
Peak
Value
Half Value
t – Time (µs)
I
PP
– Peak Pulse Current – %I
PP
t
r
= rise time to peak value
t
d
= decay time to half value
Waveform = t
r
x t
d
tr x td Pulse Waveform
-8
-40 -20 0 20 40 60 80 100 120 140 160
-6
-4
0
2
4
6
8
10
12
14
Junction Temperature (T
J
) – ˚C
Percent of V
S
Change – %
25 ˚C
Normalized VS Change versus Junction Temperature
0.4
-40 -20 0 20 40 60 80 100 120 140 160
0.6
0.8
1.0
1.2
1.4
1.6
1.8
2.0
Case Temperature (TC) – ˚C
Ratio of
IH
IH (TC = 25 ˚C)
25 ˚C
Normalized DC Holding Current versus Case Temperature
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