*R
oH
VE S CO
AV R M
AI SIO PL
LA N IA
BL S NT
E
Features
n
Fast acting
n
Small size
n
Stable breakdown throughout life
n
Designed to operate with TBU devices
®
Applications
n
Telecommunications
n
Industrial electronics
n
Avionics
n
RoHS compliant* versions available
n
UL Recognized
OM
PL
IA
NT
Characteristics
F
RE
E
Test Methods per ITU-T K.12, IEEE C62.31 and IEC 61643-311 GDT standards.
Characteristic
Typical
LE
AD
*R
oH
S
2031-xxT-SM Series - Miniature 2-Pole Gas Discharge Tube
C
Initial DC Sparkover
(100 V/s)
Minimum DC Sparkover
(100 V/s)
2031-15T
Model No.
2031-23T
2031-42T
150 V
60 V
Ro VE LEA
HS RS D
C ION FRE
OM S E
PL AR
IA E
NT
*
230 V
185 V
650 V
420 V
360 V
850 V
Maximum Impulse Sparkover
(1)
(5k V 1.2/50 µs)
Throughout Service Life
(1)
Throughout Service Life
500 V
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
Moisture Sensitivity Level ........................................................................................................................................1
ESD Classification (HBM) ........................................................................................................................................6
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
Typical Part Marking
MANUFACTURER'S
TRADEMARK
VOLTAGE
B
XXXV XXXX
DATE CODE
• FIRST TWO DIGITS = MONTH
• NEXT TWO DIGITS = YEAR
(REVERSE MARKED
WITH RED INK)
“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
3.9
(.155)
2031-xxT-SM
5.0 ± 0.3
(.197 ± .012)
(.220)
Model
Bulk
(Bag)
250
Standard Packaging Quantity
Tray
Box
1000
1500
1000
Reel
5.6
2031-xxT-SM-RP
2031-xxT-SM-RP3
-RP
1.3
(.050)
Reel is 13 inches in diameter and 3/4 inch wide.
4.00
(.158)
2.00
(.079)
0.51 ± 0.1
(.020 ± .004)
0.33 ± 0.1
(.013 ± .004)
4.00
(.158)
2.00
(.079)
Recommended Pad Layout
3.9
(.155)
1.75
(.069)
1.75
(.069)
16.0
(.63)
5.6
(.220)
7.5
(.30)
16.0
(.63)
7.5
(.30)
1.3
(.050)
8.00
(.315)
8.00
(.315)
DIMENSIONS:
MM
(INCHES)
0.35 ± 1.27
(.014 ± .050)
7.50
(.295)
5.30
(.209)
-RP3
Reel is 13 inches in diameter and 11/16 inch wide.
12.00
(.473)
(.473)
12.00
4.00
4.00
(.158)
How to Order
Model Number Designator
Voltage
(Divided by 10)
15 = 150 V
23 = 230 V
42 = 420 V
Surface Mount
R
(.158)
2.80
(.110)
2.00
(.079)
1.75 ± 2.5
(.069 ± .100
2031 - xxT - SM - RP LF
0.30
MAX.
(.012)
12.00 ± 1.27
(.473 ± .050)
5.30
(.209)
12.00 ±
(.473 ±
5.50 ± 1.27
(.217 ± .050)
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
1.99
(.078)
1.50
1.10
(.059)
MM
DIMENSIONS:
(.043)
(INCHES)
DIA. MIN.
5.00
Unless otherwise specified, tolerances in decimals
(.197)
(.213)
are .X ± 0.3, .XX ± 0.15 for lengths in millimeters and ±1 ° for degrees.
5.40
12.00
(.473)
4.00
(.158)
1.75 ± 2.5
(.069 ± .100)
12.00 ± 1.27
(.473 ± .050)
5.50 ± 1.27
(.217 ± .050)
REV. I 09/17
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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