Features
■ Surface mount for economical assembly
■ High surge current rating
■ Designed to meet ITU-T K.12 class 5 surge
current requirements
■ Low capacitance and insertion loss
■ Stable breakdown throughout life
■ UL Recognized
Applications
■ Telecommunications
■ Industrial electronics
■ Commercial electronics
Characteristics
2029-xx-SMLF Heavy Duty Gas Discharge Tube Surge Arrestor
* RoHS Directive 2015/863, Mar 31, 2015 and Annex.
**Bourns considers a product to be “halogen free” if (a) the Bromine (Br) content is 900 ppm or less; (b) the Chlorine (Cl) content is 900 ppm or less; and (c) the total Bromine (Br)
and Chlorine (Cl) content is 1500 ppm or less.
Specifications are subject to change without notice.
Users should verify actual device performance in their specific applications.
The products described herein and this document are subject to specific legal disclaimers as set forth on the last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf.
Test Methods per ITU-T K.12, IEEE C62.31 and IEC 61643-311 GDT standards.
Insulation Resistance ...................................... 100 V (50 V for Model 2029-09-SMLF).............> 1010
Glow Voltage ................................................... 10 mA................................................................~ 70 V
Arc Voltage ...................................................... > 1A...................................................................~ 12 V
Glow-Arc Transition Current .......................................................................................................< 0.5 A
Capacitance..................................................... 1 MHz ...............................................................< 1 pF
DC Holdover Voltage (2) .................................. 135 V, (52 V for Model 2029-09-SMLF;
80 V for Model 2029-15-SMLF) ........................< 150 ms
Impulse Discharge Current.............................. 25000 A, 8/20 s .............................................. 1 operation minimum (3)
20000 A, 8/20 s............................................... 10 operations
5 kA, 10/350 s ................................................ 1 operation minimum (3)
100 A, 10/1000 s............................................. 300 operations
10 A, 10/1000 s............................................... 1500 operations
Alternating Discharge Current ......................... 65 Arms, 11 cycles ........................................... 1 operation minimum (3)
20 Arms, 1 s...................................................... 10 operations
Storage Temperature.................................................................................................................. -55 to +105 °C
Operating Temperature............................................................................................................... -55 to +105 °C
Climatic Category (IEC 60068-1)................................................................................................ 55/105/21
Moisture Sensitivity Level
ESD Classification (HBM)
........................................................................................................... 1
........................................................................................................... N/A
Notes:
• UL recognized component, UL File E153537.
• Model number marking on tube: 2029-xxxV.
• Bourns recommends reflowing surface mount devices per IPC/JEDEC J-STD-020 rev D.
• Surface Mount (SM) parts may show a temporary increase in DCBD after the solder reflow process. Most devices will recover within 24 hours
time. It should be noted that there is no quality defect nor change in protection levels during the temporary change in DCBD.
• Sparkover limits ± 25% and IR >107 after life (-25%/+30% for Model 2029-09-SM)
• At delivery AQL 0.65 Level II, DIN ISO 2859. .
(2) Network applied.
(3) DC Sparkover may exceed ±20 % after discharge, but will continue to protect without venting.
Characteristic Model No.
2029-09-SMLF 2029-15-SMLF 2029-23-SMLF 2029-35-SMLF 2029-42-SMLF
DC Sparkover ±20 %
@ 100 V/s 90 V 150 V 230 V 350 V 420 V
Impulse Sparkover (1)
100 V/s (Typical)
100 V/s (99 %)
275 V
375 V
325 V
375 V
450 V
500 V
600 V
625 V
650 V
750 V
Impulse Sparkover
Impulse Sparkover voltage is defined as typical values of distribution.
(1)
1 kV/s (Typical)
1 kV/s (99 %)
525 V
600 V
525 V
625 V
650 V
750 V
775 V
875 V
850 V
1000 V
Bourns offers a heavy duty 2-electrode GDT surge arrestor in an 8x6 mm surface mount (SM) package. The Model 2029-xx-SMLF Series
is categorized as a Class 5 rated GDT and attains the highest performance classification available under ITU K.12 requirements. High
performance in a compact surface mount package makes this series ideal for use in heavily exposed telecommunications, commercial and
industrial applications.
(1)
RoHS COMPLIANT*
&
HALOGEN FREE**
WARNING Cancer and Reproductive Harm - www.P65Warnings.ca.gov
How to Order
2029 - xx - SM -RP LF
Model Number Designator
Voltage (Divided by 10)
09 = 90 V 23 = 230 V 42 = 420 V
15 = 150 V 35 = 350 V
Surface Mount
Packaging Option
Blank = Bulk Packaging (Standard)
-RP = 16 mm Reelpack (Optional)
RoHS Compliancy
LF = RoHS Compliant Product
Specifications are subject to change without notice.
Users should verify actual device performance in their specific applications.
The products described herein and this document are subject to specific legal disclaimers as set forth on the last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf.
2029-xx-SMLF Heavy Duty Gas Discharge Tube Surge Arrestor
Product Dimensions Recommended Pad Layout
DIMENSIONS: MM
(INCHES) TOLERANCES: ± 0.25
(0.10)
7.9 ± 0.2
(.311 ± .008)
6.0 ± 0.3
(.236 ± .012) 0.43 ± 0.1
(.017 ± .004)
0.48 ± 0.1
(.019 ± .004)
7.50 ± 0.2
(.295 ± .008)
5.84
(.230)
1.2
(.047)
8.25
(.325)
2029-xx-SMLF Heavy Duty Gas Discharge Tube Surge Arrestor
REV. A 09/19
Specifications are subject to change without notice.
Users should verify actual device performance in their specific applications.
The products described herein and this document are subject to specific legal disclaimers as set forth on the last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf.
-RP
Reel is 33 cm in diameter and 3 cm wide.
8.4
(.331)
0.40 ± 0.05
(.016 ± .002)
SECTION A-A
12.00
(.536)
4.00
(.157)
2.00 ± 0.10
(.079 ± .004) MIN.
1.50
(.059)
DIA.
1.5 +0.1/-0.0
(.059 +.004/-.000)
DIA.
0.30
(.012)
R MAX.
0.5
(.020)
RTYP.
1.75 ± 0.1
(.069 ± .004)
16.0 +0.3/-0.1
(.630 +.012/-.004)
7.5 ± 0.1
(.295 ± .004)
6.7
(.264)
8.2
(.323)
8.6
(.339)
10.1
(.398)
A
A
DIMENSIONS: MM
(INCHES)
Model
Standard Packaging Quantity
Bulk
(Bag) Tray Box Reel
2029-xx-SMLF 250 1000
2029-xx-SM-RPLF 500
Unless otherwise specified, tolerances in decimals
are .X ± 0.3, .XX ± 0.15 for lengths in millimeters and ±1 ° for degrees.
Tel: +886-2 2562-4117 • Email: asiacus@bourns.com
EMEA: Tel: +36 88 885 877 • Email: eurocus@bourns.com
The Americas: Tel: +1-951 781-5500 • Email: americus@bourns.com
www.bourns.com
Asia-Pacific:
Packaging Specifications
Legal Disclaimer Notice
This legal disclaimer applies to purchasers and users of Bourns® products manufactured by or on behalf of Bourns, Inc. and
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