PL
IA
NT
Features
■
Compact size
■
Low capacitance
■
Performance stability over life
■
High insulation resistance
■
RoHS compliant*
■
Applications
■
MDC / PCI modems
■
Splitters
■
Telecom CPE
■
Datacom
*R
oH
S
CO
M
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
Characteristic
DC Sparkover ± 30 % @ 100 V/s
Impulse Sparkover
100V/μs
1000V/μs
Characteristic
DC Sparkover ± 30 % @ 100 V/s
Impulse Sparkover
100V/μs
1000V/μs
Model No.
2051-09
2051-15
2051-20
2051-23
2051-30
90 V
<500 V
<600 V
150 V
<500 V
<600 V
200 V
<500 V
<650 V
Model No.
230 V
<500 V
<650 V
300 V
<600 V
<750 V
2051-35
2051-40
2051-42
2051-47
2051-60
350 V
<650 V
<800 V
400 V
<750 V
<900 V
420 V
<750 V
<900 V
470 V
<800 V
<950 V
600 V
<950 V
<1100 V
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 +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.
2051 Series Gas Discharge Tube Surge Protector
Product Dimensions
0.5 ± 0.1
(0.020 ± 0.004)
Recommended Pad Layout
1.5
(0.059)
2.7 ± 0.3
(0.106 ± 0.012)
4.2
(0.165)
4.5 ± 0.3
(0.177 ± 0.012)
3.2 ± 0.3
(0.126 ± 0.012)
3.0
(0.118)
Packaging Specifications
The Model 2051-xx-SM ships standard reelpack (-RP),
2500 pieces per reel. Reel is 330 mm in diameter and 14 mm
wide.
DIA.
1.55 ± 0.05
(0.061 ± 0.002)
4.0 ± 0.1
(0.157 ± 0.004)
1.75 ± 0.1
(0.069 ± 0.004)
How to Order
2051 - xx - SM - RP LF
Model Number Designator
Voltage
(Divided by 10)
09 = 90 V
35 = 350 V
15 = 150 V
40 = 400 V
20 = 200 V
42 = 420 V
23 = 230 V
47 = 470 V
30 = 300 V
60 = 600 V
Surface Mount
Packaging
RP = Reelpack (2,500 pieces per reel)
Lead Free
LF = Lead Free or RoHS Compliant Product
5.45 ± 0.1
(0.215 ± 0.004)
12.0 ± 0.3
(0.472 ± 0.012)
8.0 ± 0.1
(0.315 ± 0.004)
0.4 ± 0.1
(0.016 ± 0.004)
3.1 ± 0.1
(0.122 ± 0.004)
330
(12.992)
DIA.
1.5
(0.059)
MIN.
100.0
(3.937)
TYP.
14.0
TYP.
(0.551)
DIMENSIONS:
MM
(INCHES)
REV. A 03/11
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.
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