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Technical content

Features

■ Superior protection at a low price ■ Balanced TRIGARD® protection ■ Patented Switch-Grade Fail-Short device ■ Quick response and high energy handling ■ Low capacitance (<2.5 pF) - ideal for high- speed networks in high exposure environments ■ Meets test requirements of Telcordia GR 974, GR1361, SBC SR 5165 and RUS PE-80 ■ Telcordia Analysis report DA-1547 ■ Listed per UL 497 (File: 53117) ■ Solid brass, gold-plated pins ■ Test point access option ■ Sealed option for harsh environments Characteristics

2420 Series - 5-Pin Gas Discharge Tube (GDT) Protector

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. The Bourns® 3-type Model 2420 overvoltage protection modules utilize Bourns’ proprietary high-effi ciency gas discharge tube with our patented Switch-Grade Fail-Short mechanism to provide robust and reliable surge and thermal overload protection at a very competitive price. The 2420 Series is based on Bourns’ three-terminal common chamber GDT. This design provides greatly improved and balanced turn-on characteristics for overvoltage protection. The GDT is UL listed for use without a back-up device. Air back-up devices can become contaminated; the circuitry of the 2420 eliminates the air back-up gap and thus the possibility of its contamination. Our unique Switch-Grade Fail-Short device provides more reliable thermal overload protection compared to com- monly used solder pellet or insulation burn-through designs. Bourns ® Model 2420 Series 5-pin protectors can be used universally for broadband voice and data circuits including ADSL, ADSL2+, VDSL, VDSL2 and high-speed Ethernet. The 2420 Series is an economical, reliable and low capacitance choice for overvoltage protection of copper pair circuits. Test Methods per UL 497, CSA C22.2, Telcordia GR 974, 1361 and SBC SR 5165. Impulse Breakdown Impulse Reset Impulse Life Characteristics (Tip and Ring to Ground Simultaneously) AC Life Characteristics (Tip and Ring to Ground Simultaneously) Telcordia analyzed for controlled (non-sealed) and uncontrolled, high-exposure (sealed) environments per GR 974 and SBC SR 5165. Telcordia Technical Analysis Report DA-1547. Notes:

1 Network applied

2 Per RUS PE-80

Line to Line voltage is approximately 1.8 to 2 times the stated Line to Ground breakdown voltage.

19.0 (0.75) 11.2 (0.440) 5.6 (0.220) 42.17 (1.66) 29.9 (1.18) 10.2 (0.40) 5.1 (0.20) 11.2 (0.44) 12.8 (0.50) 2.2 (.085)DIA. 2 PLCS. 2.3 (.092)DIA. 5 PLCS. 3.6 (0.14) 6.1 (0.240) 5.7 (0.223) “MSP” and “TRIGARD” are registered trademarks of Bourns, Inc. 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. REV. P 04/15 DIMENSIONS: MM (INCHES) How To Order 2420 - X XX - X - XX Model Number Designator Module Length Housing Color/Circuit Type 1 = Black/Standard 7 = Violet/Standard 3 = Red/Special 9 = Orange/Standard Service (non-Bridgelifter) 6 = Blue/Standard 10 = Yellow/Standard Pin Plating G = Gold Plated N = Tin Plated Special Options S = Sealed Case ST = Sealed Case and Test Points* T = Test Points* *T and ST options are not available on 2420-7x short module. Examples: 3B1E = 2420-31-G (black, no test points) 3C1E = 2420-31-G-T (black, with test points) 3B3E = 2420-33-G (red, no test points) 3C3E = 2420-33-G-T (red, with test points) 30.99 (1.22) 24.9 (0.98) 10.2 (0.40) 5.1 (0.20) 6.15 (0.24) 2420-3 MODULE 2420-7 MODULE Schematic EQUIPMENT TIP EQUIPMENT RING O.P. TIP GND O.P. RING 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