*R
oH
VE S C O
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 Recognized
2031-xxT-SM Series - Miniature 2-Pole Gas Discharge Tube
Characteristics
Test Methods per ITU-T K.12, IEEE C62.31 and IEC 61643-311 GDT standards.
Model No.
2031-15T
2031-23T
2031-42T
Characteristic
Minimum DC Sparkover
(100 V/s)
Throughout Service Life
60 V
500 V
185 V
650 V
360 V
850 V
Maximum Impulse Sparkover
(1)
(5k V 1.2/50 μs)
Throughout Service Life
(1)
Impulse Sparkover voltage is defined as typical values of distribution.
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 μs, 500 V (IEC 61643-21) ....................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 °C to +90 °C
Notes:
• UL Recognized component, UL File E153537.
• Surge polarity should be reversed between consecutive surges (+-+-).
• At delivery AQL 0.65 Level II, DIN ISO 2859.
• Bourns recommends reflowing surface mount devices per IPC/JEDEC J-STD-020 rev D.
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 and RoHS Recast 2011/65/EU June 8, 2011.
Specifications are subject to change without notice.
The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time.
Users should verify actual device performance in their specific applications.
2031-xxT-SM Series - Miniature 2-Pole Gas Discharge Tube
Product Dimensions
4.4 ± 0.2
(.173 ± .008)
Packaging Specifications
Standard Packaging Quantity
Model
2031-xxT-SM
5.0 ± 0.3
(.197 ± .012)
Bulk
(Bag)
250
Tray
Box
1000
Reel
1500
1000
2031-xxT-SM-RP
2031-xxT-SM-RP3
0.51 ± 0.1
(.020 ± .004)
0.33 ± 0.1
(.013 ± .004)
-RP
Reel is 13 inches in diameter and 3/4 inch wide.
4.00
(.158)
2.00
(.079)
1.75
(.069)
Recommended Pad Layout
3.9
(.155)
16.0
(.63)
5.6
(.220)
8.00
(.315)
7.5
(.30)
1.3
(.050)
DIMENSIONS:
MM
(INCHES)
-RP3
Reel is 13 inches in diameter and 11/16 inch wide.
12.00
(.473)
4.00
(.158)
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
DIMENSIONS:
MM
(INCHES)
12.00 ± 1.27
(.473 ± .050)
Unless otherwise specified, tolerances in decimals
are .X ± 0.3, .XX ± 0.15 for lengths in millimeters and ±1 ° for degrees.
REV. F 08/15
Specifications are subject to change without notice.
The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time.
Users should verify actual device performance in their specific applications.
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