2R-8*8 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 (≤1.5pF) ■ High holdover voltage ■ Large absorbing transient current capability. ■ Micro-Gap Design ■ Size: 8.0mm*8.0mm ■ Storage and operational temperature: -40℃ ~ +85℃ ■ Meets MSL level 1, per J-STD-020 ■ Safety certification: UL: E327997 Applications ■ ■ ■ ■ Repeaters, Modems. Telephone Interface, Line cards. Data communication equipment. Line test equipment Part Number Code 2 8 R H: 2.5KA K: 3KA L: 5KA 2R: 2 Electrodes L: Lead M: SMD No suffix: Bulk TR: Tape & Reel packing 8: 8.0mm×8.0mm Marking Revision：15-Aug-14 www.brightking.com 2R-8*8 SERIES Dimensions L Type Dimension (mm) Symbol Spec. Tolerance D 8.0 +0.3, -0.5 T 8.0 +0.6, -0.1 0.8 ±0.05 1.0 ±0.05 L 30.0 Max. D 8.0 +0.3, -0.5 T 8.0 +0.6, -0.1 B 1.1 ±0.4 d M Type Electrical Characteristics DC Spark-over Part Voltage Maximum Nominal Impulse Impulse Spark-over Discharge Voltage Current Number 8/20μs 100V/s 1000V/μs (V) (V) (KA) 10times Alternating Discharge Current Impulse Life Minimum Insulation Resistance Maximum Capacitance Device Marking 10/1000μs Test 100A Voltage (A) (times) DC(V) 50Hz,1sec (GΩ) 1MHz Code (pF) 2RH1400L-8 2RH1400M-8 1400±20% 2200 2.5 2.5 100 500 1.0 1.5 2RH1400-8 2RH1600L-8 2RH1600M-8 1600±20% 2400 2.5 2.5 100 500 1.0 1.5 2RH1600-8 2RH2000L-8 2RH2000M-8 2000±20% 2800 2.5 2.5 100 500 1.0 1.5 2RH2000-8 2RH2500L-8 2RH2500M-8 2500±20% 3600 2.5 2.5 100 500 1.0 1.5 2RH2500-8 2RH2700L-8 2RH2700M-8 2700±20% 3800 2.5 2.5 300* 1000 1.0 1.5 2RH2700-8 2RH3000L-8 2RH3000M-8 3000±20% 4200 2.5 2.5 100 1000 1.0 1.5 2RH3000-8 2RH3500L-8 2RH3500M-8 3500±20% 5000 2.5 2.5 100 1000 1.0 1.5 2RH3500-8 2RK2700L-8 2RK2700M-8 2700±20% 3800 3.0 3.0 300* 1000 1.0 1.5 2RK2700-8 2RK3000L-8 2RK3000M-8 3000±20% 4200 3.0 3.0 300* 1000 1.0 1.5 2RK3000-8 2RK3500L-8 2RK3500M-8 3500±20% 5000 3.0 3.0 100 1000 1.0 1.5 2RK3500-8 2RK4000L-8 2RK4000M-8 4000±20% 5500 3.0 3.0 100 1000 1.0 1.5 2RK4000-8 2RK5000L-8 2RK5000M-8 5000±20% 6400 3.0 3.0 100 1000 1.0 1.5 2RK5000-8 2RK6000L-8 2RK6000M-8 6000±20% 7800 3.0 3.0 100 1000 1.0 1.5 2RK6000-8 2RL1000L-8 2RL1000M-8 1000±20% 1400 5.0 5.0 100 500 1.0 1.5 2RL1000-8 2RL1400L-8 2RL1400M-8 1400±20% 2200 5.0 5.0 100 500 1.0 1.5 2RL1400-8 2RL1600L-8 2RL1600M-8 1600±20% 2400 5.0 5.0 100 500 1.0 1.5 2RL1600-8 2RL2000L-8 2RL2000M-8 2000±20% 2800 5.0 5.0 100 500 1.0 1.5 2RL2000-8 2RL2500L-8 2RL2500M-8 2500±20% 3600 5.0 5.0 100 1000 1.0 1.5 2RL2500-8 * Measured with an 8/20μs waveform, 100A Revision：15-Aug-14 www.brightking.com 2R-8*8 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-8*8 SERIES Recommended Soldering Conditions Wave Soldering Item Conditions Peak Temperature 265℃ Dipping Time 10 seconds Soldering 1 time Reflow Soldering Profile Feature Average ramp-up rate (TL to TP) Preheat -Temperature Min (TS min) -Temperature Max (TS max) -Time (min to max) (ts) TS max to TL -Ramp-up Rate Time maintained above: -Temperature (TL) -Time (tL) Peak Temperature (TP) Time within 5℃ of actual Peak Temperature (tP) Ramp-down Rate Time 25℃ to Peak Temperature Revision：15-Aug-14 Pb-Free Assembly 3℃/second max. 150℃ 200℃ 60-180 seconds 3℃/second max. 217℃ 60-150 seconds 260℃ 20-40 seconds 6℃/second max. 8 minutes max. www.brightking.com 2R-8*8 SERIES Packaging Axial Packing (Bulk) Skin packing B Symbol A H Dimension (mm) Spec. Tolerance A 264.0 ±1.0 B 145.0 ±1.0 H 6.5 ±0.5 Quantity: 100pcs Inner box B0 H0 A0 A0 270.0 ±2.0 B0 150.0 ±1.0 H0 50.0 ±1.0 Quantity: 500pcs Axial Packing (Tape & Reel) Tape Dimension (mm) Symbol Spec. Tolerance P 10.0 ±0.1 W 65.0 ±0.1 E 6.0 ±0.1 F 26.5 ±0.1 d 0.8/1.0 ±0.05 A1 330.0 ±1.0 B1 70.0 ±1.0 C1 82.0 ±1.0 D 25.0 ±0.2 t 2.0 ±0.2 P E F W d Reel B1 D A1 C1 t Revision：15-Aug-14 Quantity: 500pcs www.brightking.com 2R-8*8 SERIES Packaging SMD Packing (Tape & Reel) Tape Symbol P2 D0 t0 Spec. Tolerance W 16.00 ±0.20 P0 4.00 ±0.10 P1 12.00 ±0.20 P2 4.00 ±0.10 D0 1.45 ±0.1 E 1.75 ±0.10 F 7.50 ±0.10 A0 8.80 ±0.10 K0 8.30 ±0.10 B0 8.30 ±0.10 t0 0.50 ±0.10 D 330.00 ±1.00 d 13.00 ±0.50 L 20.00 ±0.50 t 2.00 ±0.20 B0 W F E P0 Dimension (mm) P1 K0 A0 Reel Quantity: 500pcs Revision：15-Aug-14 www.brightking.com