*R
oH
VE S CO
AV R M
AI SIO PL
LA N IA
BL S NT
E
Features
■
Fast acting
■
Small size
■
Stable breakdown throughout life
■
Designed to operate with TBU devices
®
Applications
■
Telecommunications
■
Industrial electronics
■
Avionics
■
RoHS compliant* versions available
■
UL Recognition pending
2031-xxT-SM Series - Miniature 2-Pole Gas Discharge Tube
Characteristics
Characteristic
Minimum DC Sparkover
(100 V/s)
Throughout Service Life
Model No.
2031-15T
2031-23T
2031-42T
60 V
500 V
185 V
650 V
360 V
850 V
Maximum Impulse Sparkover (5k V 1.2/50 µs)
Throughout Service Life
Insulation Resistance (IR) ....................................... 50 / 100 V ............................................................................... > 10
9
Ω
Glow Voltage .......................................................... 10 mA ..................................................................................... ~ 70 V
Arc Voltage ............................................................. >1 A........................................................................................ ~ 10 V
Glow-Arc Transition Current ................................................................................................................................... < 0.5 A
Capacitance ........................................................... 1 MHz ..................................................................................... < 1 pF
DC Holdover Voltage (Network Applied per ITU-T K.12)
2031-15T ........................................................... 52 V ....................................................................................... < 150 ms
2031-23T ........................................................... 80 V ....................................................................................... < 150 ms
2031-42T ........................................................... 135 V ..................................................................................... < 150 ms
Service Life ............................................................. 8/20 µs, 1 kA .......................................................................... 2 operations
10/1000 µs, 1 kV, 100 A ........................................................ 50 operations
2/10 µs, 5 kV, 500 A ............................................................... 20 operations
10/700 µs, 6 kV, 150 A ........................................................... 10 operations
8/20 µs 250 A, 1.2/50, 500 V (IEC61643-21) ......................... 150 operations
600 V rms, 1 A, 0.2 s .............................................................. 5 operations
Operating and Storage Temperature,
Climatic Category (IEC 6068-1) 40 / 90 / 21 .......................................................................................................... -40 to +90 °C
Notes:
Surge polarity should be reversed between consecutive surges. (+-+-).
• At delivery AQL 0.65 Level II, DIN ISO 2859.
Applications
Port Protection
CanBus
RS232
RS422
RS485
RS485
SDI
VDSL
GDT Device P/N
2031-23T-SM-RPLF
2031-23T-SM-RPLF
2031-23T-SM-RPLF
2031-23T-SM-RPLF
2031-42T-SM-RPLF
2031-23T-SM-RPLF
2031-15T-SM-RPLF
TBU
®
Device P/N
TBU-CA065-100-WH
TBU-CA065-200-WH
TBU-CA065-200-WH
TBU-CA065-200-WH
TBU-CA085-200-WH
TBU-CA065-100-WH
TBU-CA050-500-WH
“TBU” is a registered trademark of Bourns, Inc. in the U.S., Taiwan and European Community.
*RoHS Directive 2002/95/EC Jan 27, 2003 including Annex.
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.
2031-xxT-SM Series - Miniature 2-Pole Gas Discharge Tube
Product Dimensions
4.4
(.173)
Recommended Pad Layout
3.9
(.155)
5.0
(.195)
4.8
DIA.
(.190)
5.6
(.220)
1.3
(.050)
Packaging Specifications
The Model 2031-xxT-SM ships standard bulk pack,
250 pieces per bag; 1000 pieces per box.
-RP
The optional -RP reelpack contains 1,500 pieces per reel.
Reel is 13 inches in diameter and 3/4 inch wide.
4.00
(.158)
2.00
(.079)
1.75
(.069)
DIMENSIONS:
MM
(INCHES)
How to Order
2031 - xxT - SM - RP LF
Model Number Designator
Voltage
15 = 60 V
23 = 185 V
42 = 360 V
Surface Mount
Packaging Options
Blank = Bulk Packaging - 250 pcs./bag (Standard)
RP = Reelpack - 1,500 pcs./reel (Optional)
RP3 = Reelpack - 1,000 pcs./reel (Optional)
RoHS Compliant Option
Blank = Standard Product
LF = RoHS Compliant Product
16.0
(.63)
7.5
(.30)
8.00
(.315)
-RP3
The optional -RP3 reelpack contains 1,000 pieces per reel.
Reel is 13 inches in diameter and 11/16 inch wide.
12.00
(.473)
4.00
(.158)
12.00 ± 1.27
(.473 ± .050)
DIMENSIONS:
MM
(INCHES)
REV. C 05/11
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.
MCU
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