Features

■

UL Recognized

Applications

Characteristics

2031-xxT-SM Series - Miniature 2-Pole Gas Discharge Tube

“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.

Characteristic

Model No.

2031-15T

2031-23T

2031-42T

Minimum DC Sparkover (100 V/s)

Throughout Service Life

60 V

185 V

360 V

Throughout Service Life

500 V

650 V

850 V

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.

Port Protection

GDT Device P/N

TBU® Device P/N

CanBus

2031-23T-SM-RPLF

TBU-CA065-100-WH

RS232

2031-23T-SM-RPLF

TBU-CA065-200-WH

RS422

2031-23T-SM-RPLF

TBU-CA065-200-WH

RS485

2031-23T-SM-RPLF

TBU-CA065-200-WH

RS485

2031-42T-SM-RPLF

TBU-CA085-200-WH

SDI

2031-23T-SM-RPLF

TBU-CA065-100-WH

VDSL

2031-15T-SM-RPLF

TBU-CA050-500-WH

Applications

Test Methods per ITU-T K.12, IEEE C62.31 and IEC 61643-311 GDT standards.

(1)

Impulse Sparkover voltage is defined as typical values of distribution.