Features Applications
n Size: 8 mm diameter, 6 mm length n Telecommunications equipment
n Low capacitance n Industrial equipment/electronics
n High insulation resistance n Consumer electronics
n RoHS compliant*
n UL Recognized
2049 SeriesMedium Duty 2-Electrode Gas Discharge Tube
Characteristics
Test Methods per ITU-T K.12 and IEC 61643-311.
Model No.
Characteristic
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
(1)
Impulse Sparkover
100 V/s < 500 V < 500 V < 500 V < 500 V < 500 V < 500 V
1000 V/s < 600 V < 600 V < 700 V < 700 V < 700 V < 700 V
Model No.
Characteristic
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
(1)
Impulse Sparkover
100 V/s < 500 V < 700 V < 700 V < 800 V < 900 V < 1100 V
1000 V/s < 700 V < 900 V < 900 V < 1000 V < 1100 V < 1300 V
(1)
Impulse Sparkover voltage is defined as typical values of distribution.
(2)
Insulation Resistance (IR) ....................................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 s .................................................. 1 operation
15,000 A, 8/20 s .................................................. 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 s .................................................. 500 operations
Operating Temperature ............................................................................................................................ -30 to +85 C
Storage Temperature ............................................................................................................................... -40 to +150 C
(3)
DC Holdover Voltage ........................................................................................................................... < 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
7590 V 50 V
120400 V 100 V
470600 V 250 V
(3)
DC Breakdown Voltage DC Holdover Voltage
75145 V 52 V
230 V 80 V
250 V 135 V
300600 V 150 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.
*RoHS COMPLIANT
VERSIONS
AVAILABLE
*RoHS COMPLIANT
LEAD FREE
LEAD FREE
VERSIONS ARE
RoHS COMPLIANT*
2049 SeriesMedium Duty 2-Electrode Gas Discharge Tube
Product Dimensions How to Order
2049 - xx - B __ LF
2049-XX-B
Model Number Designator
Voltage
07 = 75 V 25 = 250 V
09 = 90 V 30 = 300 V
0.8 0.05
12 = 120 V 35 = 350 V
(.031 .002)
20
MIN.
(.787) 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
8.0 +0.3/-0.5
6.0 +0.3/-0.5
(.315 +.001/-.020)
Plating
(.236 +.001/-.020)
LF = RoHS Compliant Product
MM
DIMENSIONS:
(INCHES)
Note: Custom leadforms available - please contact Bourns for
details.
Packaging Specifications
Model 2049-xx-BLF ships standard bulk pack, 100 pieces per tray;
2049-XX-BT1LF 0.8 mm (0.032 in.) dia. lead wire
5 trays per box (500 units).
52.4 2.0
(2.05 0.08)
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).
10.0 0.5
(0.4 .020)
MM
DIMENSIONS:
(INCHES)
Asia-Pacific: 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
REV. C 10/16
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.