Features
n Size: 8 mm diameter, 6 mm length
n Low capacitance
n High insulation resistance
n RoHS compliant*
n UL Recognized
Applications
n Telecommunications equipment
n Industrial equipment/electronics
n Consumer electronics
Characteristics
2049 Series Medium Duty 2-Electrode Gas Discharge Tube
*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.
Test Methods per ITU-T K.12 and IEC 61643-311.
Characteristic Model No.
2049-07 2049-09 2049-12 2049-13 2049-14 2049-23
DC Sparkover ±30 % @ 100 V/s 75 V 90 V 120 V 130 V 145 V 230 V
Impulse Sparkover (1)
100 V/µs
1000 V/µs
< 500 V
< 600 V
< 500 V
< 600 V
< 500 V
< 700 V
< 500 V
< 700 V
< 500 V
< 700 V
< 500 V
< 700 V
Insulation Resistance (IR) (2) .................................... 50 / 100 / 250 Vdc ................................................. > 10 GW
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 DC Measuring Voltage
75–90 V 50 V
120–400 V 100 V
470–600 V 250 V
(3) DC Breakdown Voltage DC Holdover Voltage
75–145 V 52 V
230 V 80 V
250 V 135 V
300–600 V 150 V
Characteristic Model No.
2049-25 2049-30 2049-35 2049-40 2049-47 2049-60
DC Sparkover ±30 % @ 100 V/s 250 V 300 V 350 V 400 V 470 V 600 V
Impulse Sparkover (1)
100 V/µs
1000 V/µs
< 500 V
< 700 V
< 700 V
< 900 V
< 700 V
< 900 V
< 800 V
< 1000 V
< 900 V
< 1100 V
< 1100 V
< 1300 V
*RoHS COMPLIANT
LEAD FREE
*RoHS COMPLIANT
VERSIONS
AVAILABLE
LEAD FREE
VERSIONS ARE
RoHS COMPLIANT*
(1) Impulse Sparkover voltage is dened as typical values of distribution.
20
(.787) MIN.
6.0 +0.3/-0.5
(.236 +.001/-.020)
8.0 +0.3/-0.5
(.315 +.001/-.020)
0.8 ± 0.05
(.031 ± .002)
2049-XX-B
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.
2049 Series Medium Duty 2-Electrode Gas Discharge Tube
Packaging Specications
Product Dimensions How to Order
2049 - xx - B __ LF
Model Number Designator
Voltage
07 = 75 V 25 = 250 V
09 = 90 V 30 = 300 V
12 = 120 V 35 = 350 V
13 = 130 V 40 = 400 V
14 = 145 V 47 = 470 V
23 = 230 V 60 = 600 V
Leads
B = 0.8 mm straight leads
Packaging
Blank = Bulk Packaging (Standard) - 100 pcs./tray; 500 pcs./box
T1 = Reelpack (Optional) - 500 pcs./reel
Plating
LF = RoHS Compliant Product
DIMENSIONS: MM
(INCHES)
REV. C 10/16
Note: Custom leadforms available - please contact Bourns for
details.
Model 2049-xx-BLF ships standard bulk pack, 100 pieces per tray;
5 trays per box (500 units).
The optional reelpack (-BT1LF) contains 500 pieces per reel. Reel is
330 mm in diameter and 68 mm wide. Two reels per box (1K units).
2049-XX-BT1LF — 0.8 mm (0.032 in.) dia. lead wire
52.4 ± 2.0
(2.05 ± 0.08)
10.0 ± 0.5
(0.4 ± .020)
DIMENSIONS: MM
(INCHES)
Asia-Pacic: Tel: +886-2 2562-4117 • Email: asiacus@bourns.com
EMEA: Tel: +36 88 520 390 • Email: eurocus@bourns.com
The Americas: Tel: +1-951 781-5500 • Email: americus@bourns.com
www.bourns.com
