2RK090M-4

2R-4 SERIES Gas Discharge Tube (GDT) Data Sheet Features ■ Provide ultra-fast response to surge voltage from slow-rising surge of 100V/s to rapid-rising surge of 1KV/μs. ■ Stable breakdown voltage. ■ High insulation resistance. ■ Low capacitance (≤1pF) ■ High holdover voltage ■ Large absorbing transient current capability. ■ Micro-Gap Design ■ Size: 4.2mm*4.0mm ■ Storage and operational temperature: -40℃ ~ +85℃ ■ Meets MSL level 1, per J-STD-020 ■ Safety certification: UL: E244458 Applications ■ ■ ■ ■ Repeaters, Modems. Telephone Interface, Line cards. Data communication equipment. Line test equipment Part Number Code Marking Revision：15-Aug-14 www.brightking.com 2R-4 SERIES Dimensions Dimension (mm) Symbol Spec. Tolerance D 4.2 ±0.5 T 4.0 ±0.4 B 0.4 ±0.1 d 3.9 ±0.1 Electrical Characteristics Part Number DC Spark-over Voltage Maximum Impulse Spark-over Voltage Nominal Impulse Discharge Current Alternating Discharge Current Impulse Life 100V/s 1000V/μs 8/20μs 10times 50Hz,1sec 10/1000μs 100A Test Voltage Minimum Insulation Resistance Maximum Capacitance 1MHz Device Marking Code (GΩ) (V) (V) (KA) (A) (times) DC(V) 2RK075M-4 75±20% 800 3 3 300 25 1 1.0 075 2RK090M-4 90±20% 800 3 3 300 50 1 1.0 090 2RK145M-4 145±20% 800 3 3 300 100 1 1.0 145 2RK230M-4 230±20% 700 3 3 300 100 1 1.0 230 2RK250M-4 250±20% 700 3 3 300 100 1 1.0 250 2RK300M-4 300±20% 800 3 3 300 100 1 1.0 300 2RK350M-4 350±20% 850 3 3 300 100 1 1.0 350 2RK400M-4 400±20% 900 3 3 300 100 1 1.0 400 2RK470M-4 470±20% 800 3 3 300 250 1 1.0 470 2RK600M-4 600±20% 1100 3 3 300 250 1 1.0 600 2RK800M-4 800±20% 1200 3 3 300 250 1 1.0 800 2RK1000M-4 1000±20% 1500 3 3 300 500 1 1.0 1000 2RK1200M-4 1200±20% 1900 3 3 300 500 1 1.0 1200 Revision：15-Aug-14 (pF) www.brightking.com 2R-4 SERIES Electrical Ratings Items DC Spark-over Voltage Maximum Impulse Spark-over Voltage Test Condition/Description Requirement The voltage is measured with voltage ramp dv/dt=100V/s. The maximum impulse spark-over voltage is measured with voltage ramp dv/dt=1000V/μs. Maximum 8/20μs surge current that can be applied between two electrodes, 5 positive and 5 negative surges, with 3 minutes interval time, without causing the DC spark-over voltage to change more than 25% from its initial value. Impulse Discharge Current To meet the specified value Alternating Discharge Current Insulation Resistance Capacitance Revision：15-Aug-14 Rated RMS value of AC current at 50Hz, 1 sec. for 10 times with interval time 3 min. DC spark-over voltage shall not change more than ±25% from its initial value. IR＞108 ohms (-20%, +30% for 70~90V). The resistance of gas tube shall be measured between two electrodes. The capacitance of gas tube shall be measured between two electrodes. Test frequency: 1MHz www.brightking.com 2R-4 SERIES Recommended Soldering Conditions Reflow Soldering Recommended Conditions Profile Feature Pb-Free Assembly Average ramp-up rate (TL to TP) 3℃/second max. Preheat -Temperature Min (TS min) -Temperature Max (TS max) -Time (min to max) (ts) 150℃ 200℃ 60-180 seconds TS max to TL -Ramp-up Rate 3℃/second max. Time maintained above: -Temperature (TL) -Time (tL) 217℃ 60-150 seconds Peak Temperature (TP) 260℃ Time within 5℃ of actual Peak Temperature (tP) Ramp-down Rate Time 25℃ to Peak Temperature Revision：15-Aug-14 20-40 seconds 6℃/second max. 8 minutes max. www.brightking.com 2R-4 SERIES Packaging Tape Symbol P2 P0 D0 P1 Spec. Tolerance W 16.00 ±0.20 P0 4.00 ±0.10 P1 12.00 ±0.20 P2 2.00 ±0.10 D0 1.55 ±0.05 E 1.75 ±0.10 F 7.50 ±0.10 A0 4.27 ±0.10 K0 5.20 ±0.10 B0 4.45 ±0.10 t 0.50 ±0.10 D 330.00 ±1.00 d 13.00 ±0.50 L 20.00 ±0.50 t 2.00 ±0.20 E t F W B0 K0 A0 Reel Dimension (mm) Quantity: 900pcs Revision：15-Aug-14 www.brightking.com