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o
H
S
Telecom Design Guide • © 2006 Littelfuse 3 - 27 www.littelfuse.com
SIDACtor Devices
T10B SIDACtor® Device
The bi-directional T10B 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
T10B080B 80 120 4 800 120 60
T10B080E 80 120 4800 180 60
T10B110B 105 135 4 800 120 55
T10B110E 105 135 4800 180 55
T10B140B 140 170 4 800 120 48
T10B140E 140 170 4800 180 48
T10B180B 175 210 4 800 120 44
T10B180E 175 210 4800 180 44
T10B220B 214 265 4 800 120 41
T10B220E 214 265 4800 180 41
T10B270B 270 360 4 800 120 36
T10B270E 270 360 4800 180 36
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
B 250 125 100 50 100
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T10B SIDACtor® Device
Thermal Considerations
Package Symbol Parameter Value Unit
DO-201AD 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