English
Language : 

2049-07-BT1LF Datasheet, PDF (1/2 Pages) Bourns Electronic Solutions – Medium Duty 2-Electrode Gas Discharge Tube
*RoHS COMPLIANT
Features
■ Size: 8 mm diameter, 6 mm length
■ Low capacitance
■ High insulation resistance
■ RoHS compliant*
■
UL Recognized
Applications
■ Telecommunications equipment
■ Industrial equipment/electronics
■ Consumer electronics
2049 Series Medium Duty 2-Electrode Gas Discharge Tube
Characteristics
Test Methods per ITU-T K.12 and IEC 61643-311.
Characteristic
DC Sparkover ±30 % @ 100 V/s
Impulse Sparkover (1)
100 V/µs
1000 V/µs
2049-07
75 V
< 500 V
< 600 V
2049-09
90 V
< 500 V
< 600 V
Model No.
2049-12
2049-13
120 V
130 V
< 500 V
< 700 V
< 500 V
< 700 V
2049-14
145 V
< 500 V
< 700 V
2049-23
230 V
< 500 V
< 700 V
Characteristic
DC Sparkover ±30 % @ 100 V/s
Impulse Sparkover (1)
100 V/µs
1000 V/µs
2049-25
250 V
< 500 V
< 700 V
2049-30
300 V
< 700 V
< 900 V
Model No.
2049-35
2049-40
350 V
400 V
< 700 V
< 900 V
< 800 V
< 1000 V
2049-47
470 V
< 900 V
< 1100 V
(1) Impulse Sparkover voltage is defined as typical values of distribution.
Insulation Resistance (IR) (2)....................................50 / 100 / 250 Vdc ................................................. > 10 GΩ
Glow Voltage ...........................................................10 mA..................................................................... ~ 70 V
Arc Voltage ..............................................................1 A .......................................................................... ~ 10 V
Glow-Arc Transition Current .................................................................................................................... < 1 A
Maximum Capacitance ............................................1 MHz..................................................................... < 1.5 pF
Impulse Discharge Current......................................20,000 A, 8/20 µs .................................................. 1 operation
15,000 A, 8/20 µs .................................................. 10 operations
Alternating Discharge Current .................................20 A, 50 Hz, 1 sec. ................................................ 1 operation
65 A, Single, 9 cycles ............................................ 1 operation
Impulse Life .............................................................100 A 10/1000 µs .................................................. 500 operations
Operating Temperature............................................................................................................................ -30 to +85 ºC
Storage Temperature............................................................................................................................... -40 to +150 °C
DC Holdover Voltage (3) ........................................................................................................................... < 150 ms
Climatic Category (IEC 60068-1)............................................................................................................. 40 / 90 / 21
Notes:
• UL Recognized component, UL File E153537.
• At delivery AQL 0.65, level II DIN ISO 2859.
(2) DC Breakdown Voltage
75–90 V
120–400 V
470–600 V
DC Measuring Voltage
50 V
100 V
250 V
(3) DC Breakdown Voltage
75–145 V
230 V
250 V
300–600 V
DC Holdover Voltage
52 V
80 V
135 V
150 V
2049-60
600 V
< 1100 V
< 1300 V
*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.