Features

■

UL Recognized

Applications

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.

Specifications 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 specific applications.

Test Methods per ITU-T (CCITT) K.12 and IEEE C62.31

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 reflowing 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 %

100V/

μs

1000V/

μs

<500 V

<600 V

<500 V

<600 V

<500 V

<650 V

<500 V

<650 V

<600 V

<750 V

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.

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 %

100V/

μs

1000V/

μs

<650 V

<800 V

<750 V

<900 V

<750 V

<900 V

<800 V

<950 V

<950 V

<1100 V

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www.bourns.com

(1)

Impulse Sparkover voltage is defined as typical values of distribution.