Features
■ Compact size
■ Low capacitance
■ Performance stability over life
■ High insulation resistance
■ RoHS compliant*
■ UL Recognized
Applications
■ MDC / PCI modems
■ Splitters
■ Telecom CPE
■ Datacom
Characteristics
2051 Series Gas Discharge Tube Surge Protector
*RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011.
Specifi cations 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 specifi c applications.
Test Methods per ITU-T (CCITT) K.12 and IEEE C62.31
Insulation Resistance (IR) ............................... 50 / 100 V
dc
......................................................> 1G Ω
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 +125 °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.
• Bourns recommends refl owing surface mount devices per IPC/JEDEC J-STD-020 rev D.
Characteristic
Model No.
2051-09 2051-15 2051-20 2051-23 2051-30
DC Sparkover @ 100 V/s 90 V ±30 % 150 V ±30 % 200 V ±25 % 230 V ±25 % 300 V ±25 %
Impulse Sparkover
(1)
100V/μs
1000V/μs
<500 V
<600 V
<500 V
<600 V
<500 V
<650 V
<500 V
<650 V
<600 V
<750 V
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.
*RoHS COMPLIANT
Characteristic
Model No.
2051-35 2051-40 2051-42 2051-47 2051-60
DC Sparkover @ 100 V/s 350 V ±25 % 400 V ±25 % 420 V ±25 % 470 V ±25 % 600 V ±25 %
Impulse Sparkover
(1)
100V/μs
1000V/μs
<650 V
<800 V
<750 V
<900 V
<750 V
<900 V
<800 V
<950 V
<950 V
<1100 V
Asia-Pacifi c: Tel: +886-2 2562-4117 • Fax: +886-2 2562-4116
EMEA: Tel: +36 88 520 390 • Fax: +36 88 520 211
The Americas: Tel: +1-951 781-5500 • Fax: +1-951 781-5700
www.bourns.com
(1)
Impulse Sparkover voltage is defi ned as typical values of distribution.
