Features

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.

Specifications are subject to change without notice.

Customers 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

Maximum Impulse Sparkover (5k V 1.2/50 µs)

Throughout Service Life

500 V

650 V

850 V

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.

Port Protection

GDT 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