Features Applications Compactsize MDC/PCImodems Lowcapacitance Splitters Performancestabilityoverlife TelecomCPE Highinsulationresistance Datacom RoHScompliant* 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 0.4 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. Characteristic 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 % (1) Impulse Sparkover 100V/ s <500 V <500 V <500 V <500 V <600 V 1000V/ s <600 V <600 V <650 V <650 V <750 V Model No. Characteristic 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 % (1) Impulse Sparkover 100V/ s <650 V <750 V <750 V <800 V <950 V 1000V/ s <800 V <900 V <900 V <950 V <1100 V (1) Impulse Sparkover voltage is defined as typical values of distribution. Insulation Resistance (IR) ............................... 50 / 100 V ......................................................> 1G dc Glow Voltage ................................................... 10 mA................................................................~ 70 V Arc Voltage ...................................................... 1 A.....................................................................~ 10 V Glow-Arc Transition Current .......................................................................................................< 1 A Capacitance..................................................... 1 MHz ...............................................................< 0.5 pF Impulse Discharge Current.............................. 2000 A, 8/20 s.................................................10 operations 100 A, 8/20 s...................................................300 operations 10 A, 10/1000 s...............................................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 Moisture Sensitivity Level...........................................................................................................1 ESD Classification (HBM)...........................................................................................................6 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. WARNING Cancer and Reproductive Harm - www.P65Warnings.ca.gov *RoHS Directive 2015/863, Mar 31, 2015 and Annex. Specications are subject to change without notice. Users should verify actual device performance in their specic applications. The products described herein and this document are subject to specic legal disclaimers as set forth on the last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf. *RoHS COMPLIANT2051 Series Gas Discharge Tube Surge Protector Product Dimensions Recommended Pad Layout 0.5 0.1 1.5 (0.020 0.004) (0.059) 2.7 0.3 4.2 (0.106 0.012) (0.165) 4.5 0.3 3.2 0.3 3.0 (0.177 0.012) (0.126 0.012) (0.118) Packaging Specifications How to Order 2051 - xx - SM - RP LF The Model 2051-xx-SM ships standard reelpack (-RP), 2500 pieces per reel. Reel is 330 mm in diameter and 14 mm Model Number Designator wide. Voltage (Divided by 10) DIA. 09 = 90 V 35 = 350 V 1.55 0.05 4.0 0.1 1.75 0.1 15 = 150 V 40 = 400 V (0.061 0.002) (0.157 0.004) (0.069 0.004) 20 = 200 V 42 = 420 V 23 = 230 V 47 = 470 V 30 = 300 V 60 = 600 V 5.45 0.1 Surface Mount (0.215 0.004) Packaging 12.0 0.3 RP = Reelpack (2,500 pieces per reel) (0.472 0.012) RoHS Compliancy LF = RoHS Compliant Product 8.0 0.1 0.4 0.1 (0.315 0.004) (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. Asia-Pacific: Tel: +886-2 2562-4117 Email: asiacus bourns.com Europe: Tel: +36 88 885 877 14.0 TYP. (0.551) Email: eurocus bourns.com MM The Americas: DIMENSIONS: (INCHES) Tel: +1-951 781-5500 Email: americus bourns.com www.bourns.com REV. E 09/19 Specications are subject to change without notice. Users should verify actual device performance in their specic applications. The products described herein and this document are subject to specic legal disclaimers as set forth on the last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf.