Features
Applications
n Bourns® FLAT® GDT technology
n Flexible mounting options
n Low profile, space-saving design
n 10x 20 kA 8/20 µs rating
n Telecom CPE
n Industrial Communications
n Surge Protective Devices
n High density PCB assemblies
18-9ꢀ
2916
n
UL Recognized
n RoHS compliant*
ꢀ
ꢀꢀ2018ꢀSeriesꢀꢀGasꢀDischargeꢀTubeꢀSurgeꢀArrestorꢀwithꢀFLAT®ꢀTechnology
Description
Bourns sets a new industry standard by offering this 3-electrode Gas Discharge Tube (GDT) in an innovative flat package design.
The Model 2018 Series with FLAT® Technology provides a low profile, space-saving solution for space-restricted PCB applications.
Characteristics
Test Methods per ITU-T (CCITT) K.12 Class 3 and IEC 61643-311
Model No.
Characteristic
2018-09
2018-15
2018-23
2018-35
2018-42
2018-50
(1)
DC Sparkover ±20 % @ 100 V/s
90 V
150 V
230 V
350 V
420 V
500 V
(2)
DC Sparkover End-of-Life Values
Maximum (99 % of values)
Minimum (99 % of values)
<120 V
>65 V
<195 V
>110 V
<300 V
>170 V
<455 V
>260 V
<550 V
>315 V
<650 V
>375 V
(3)
Impulse Sparkover Voltage
100 V/µs Typical /
For 99 % of Values
1 kV/µs Typical /
For 99 % of Values
350 / <600 V 400 / <750 V 450 / <900 V 600 / <1050 V 700 / <1150 V 800 / <1250 V
650 / <850 V 650 / <900 V 600 / <1000 V 800 / <1250 V 900 / <1400 V 1000 / <1600 V
Insulation Resistance (IR) ..................100 V (50 V for Model 2018-09)............................................. >1 GΩ
Glow Voltage ......................................10 mA..................................................................................... ~70 V
Arc Voltage.........................................>1 A........................................................................................ ~10 V
Capacitance........................................1 MHz..................................................................................... <2.5 pF
(4)
(5)
Impulse Discharge Current ............24,000 A, 8/20 µs ............................................................... 1 operation
20,000 A, 8/20 µs ................................................................... >10 operations
5,000 A, 10/350 µs ................................................................. 1 operation
200 A, 10/1000 µs ................................................................. >300 operations
20 A, 10/1000 µs ................................................................... >1500 operations
Alternating Discharge Current............10 Arms, 1 s ........................................................................... >10 operations
Operating/Storage Temperature......................................................................................................... -55 to +105 °C
Climatic Category (IEC 60068-1)........................................................................................................ 55/105/21
Moisture Sensitivity Level................................................................................................................... 1
ESD Classification.............................................................................................................................. 3B (>8000 V)
Notes:
• UL Recognized component, UL File E153537
• DC Breakdown and Impulse Sparkover voltage are specified line to ground. Line to Line values are typically 1.8 to 2 times
the stated line to ground values.
(1)
(2)
(3)
(4)
(5)
In ionized mode.
Total current rating through center electrode; half value each line to center electrode.
DC Sparkover may exceed ±25 % after discharge, but will continue to protect without venting.
IR after life >108 Ω.
At delivery AQL 0.65 Level II, DIN ISO 2859.
How to Order
2018 - xx - SMH - RP LF
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
Series Designator
2018 = 3-electrode GDT with FLAT®
Technology, 20 kA 8/20 µs rated
Voltage
09 = 90 V
15 = 150 V
23 = 230 V
35 = 350 V
42 = 420 V
50 = 500 V
Configuration
*RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast
2011/65/EU June 8, 2011.
“FLAT” is a registered trademark of Bourns, Inc. in the U.S. and other countries.
Specifications are subject to change without notice.
SMH = Horizontal Mount SMD
Packaging
RP = Reelpack (Standard)
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 Compliancy
LF = RoHS Compliant Product
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