Features
Applications
■ MDC / PCI modems
■ Splitters
■ Compact size
■ Low capacitance
■ Performance stability over life
■ High insulation resistance
■ RoHS compliant*
■ Telecom CPE
■ Datacom
■
UL Recognized
2051 Series Gas Discharge Tube Surge Protector
Bourns® 2051 Series micro surface mount, 2-electrode GDT surge protection device is designed to meet board level protection requirements
with reduced space requirements. The 2051 Series is ideal for high-speed/high-bandwidth applications with a typical capacitance of 0.6 pF.
The 2051 Series product dimensions are 2.7 x 3.2 x 4.5 mm.
Characteristics
Test Methods per ITU-T (CCITT) K.12 and IEEE C62.31
Model No.
2051-20
Characteristic
2051-09
2051-15
2051-23
2051-30
DC Sparkover 30 ꢀ ꢁ 100 V/s
Impulse Sparkover
100V/μs
90 V
150 V
200 V
230 V
300 V
<500 V
<600 V
<500 V
<600 V
<500 V
<650 V
<500 V
<650 V
<600 V
<750 V
1000V/μs
Model No.
2051-42
420 V
Characteristic
2051-35
350 V
2051-40
400 V
2051-47
470 V
2051-60
600 V
DC Sparkover 30 ꢀ ꢁ 100 V/s
Impulse Sparkover
100V/μs
<650 V
<800 V
<750 V
<900 V
<750 V
<900 V
<800 V
<950 V
<950 V
<1100 V
1000V/μs
Insulation Resistance (IR)................................ 50 / 100 V ......................................................> 1G Ω
dc
Glow Voltage ................................................... 10 mA................................................................~ 70 V
Arc Voltage ...................................................... 1 A.....................................................................~ 10 V
Glow-Arc Transition Current.......................................................................................................< 1 A
Capacitance .................................................... 1 MHz ...............................................................< 1 pF
Impulse Discharge Current.............................. 2000 A, 8/20 µs.................................................10 operations
100 A, 8/20 µs...................................................300 operations
10 A, 10/1000 µs...............................................100 operations
Alternating Discharge Current......................... 2 A, 50 Hz, 1 sec...............................................10 operations
Operating & Storage Temperature..............................................................................................-40 to +90 °C
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.
Asia-Pacific: Tel: +886-2 2562-4117 • Fax: +886-2 2562-4116
Europe: Tel: +41-41 768 5555 • Fax: +41-41 768 5510
The Americas: Tel: +1-951 781-5500 • Fax: +1-951 781-5700
www.bourns.com
*RoHS Directive 2002/95/EC Jan 27, 2003 including Annex.
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.