3RM350L-8

3R-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 (≤2pF) ■ High holdover voltage ■ Large absorbing transient current capability ■ Micro-Gap Design ■ Size: 8.0mm*10.0mm ■ Storage and operating temperature: -40℃ ~ +85℃ ■ Meets MSL level 1, per J-STD-020 ■ Safety certification: E244458 Applications ■ ■ ■ ■ Repeaters, Modems Telephone Interface, Line cards Data communication equipment Line test equipment Part Number Code 3 8 R Electrical Characteristics M: 10KA P: 20KA Lead Type L: Lead M: SMD DC Spark-over Voltage Electrode Numbers 3R: 3 Electrodes Packing Code No suffix: Bulk TR: Tape & Reel packing Failsafe Option Blank: Standard product F: With failsafe mechanism Dimensions 8: 8.0mm×10.0mm Marking : BrightKing Logo 3RM090-8 : Device Marking Code YXXX : Date Code Revision: GDT-3R-8 SERIES-001(A2) 2/7 http://brightking.pulseelectronics.com 3R-8 SERIES Dimensions L Type Dimension (mm) Symbol T1 T Spec. Tolerance D 8.0 +0.2, -0.8 T 10.0 ±0.5 T1 12.0 ±0.5 L 15.0 ±0.5 S 4.4 ±0.4 d 1.0 ±0.1 R1 9.8 ±0.4 R2 8.1 ±0.3 D 8.0 +0.2, -0.8 T 10.0 ±0.5 B 0.5 ±0.1 B1 1.5 ±0.2 L D 1.2 4.4 S 4.4 Recommended Pad Size d L-F Type T1 T R1 R2 1.2 4.4 S 4.4 Recommended Pad Size d M Type T D B1 B Notes: This type is not suitable for PCB soldering. Revision: GDT-3R-8 SERIES-001(A2) 3/7 http://brightking.pulseelectronics.com 3R-8 SERIES Electrical Characteristics 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 Part Number Minimum Insulation Resistance (V) (V) (KA) (A) (times) DC(V) Maximum Capacitance 1MHz Device Marking Code (GΩ) (pF) 3RM075L-8 3RM075M-8 75±20% 700 10 10 300 25 1.0 2.0 3RM075-8 3RM090L-8 3RM090M-8 90±20% 700 10 10 300 50 1.0 2.0 3RM090-8 3RM150L-8 3RM150M-8 150±20% 700 10 10 300 100 1.0 2.0 3RM150-8 3RM200L-8 3RM200M-8 200±20% 700 10 10 300 100 1.0 2.0 3RM200-8 3RM230L-8 3RM230M-8 230±20% 700 10 10 300 100 1.0 2.0 3RM230-8 3RM350L-8 3RM350M-8 350±20% 850 10 10 300 100 1.0 2.0 3RM350-8 3RM400L-8 3RM400M-8 400±20% 850 10 10 300 100 1.0 2.0 3RM400-8 3RM470L-8 3RM470M-8 470±20% 950 10 10 300 250 1.0 2.0 3RM470-8 3RM600L-8 3RM600M-8 600±20% 1300 10 10 300 250 1.0 2.0 3RM600-8 3RM800L-8 3RM800M-8 800±20% 1500 10 10 300 250 1.0 2.0 3RM800-8 3RP075L-8 3RP075M-8 75±20% 700 20 20 300 25 1.0 2.0 3RP075-8 3RP090L-8 3RP090M-8 90±20% 700 20 20 300 50 1.0 2.0 3RP090-8 3RP150L-8 3RP150M-8 150±20% 700 20 20 300 100 1.0 2.0 3RP150-8 3RP200L-8 3RP200M-8 200±20% 700 20 20 300 100 1.0 2.0 3RP200-8 3RP230L-8 3RP230M-8 230±20% 700 20 20 300 100 1.0 2.0 3RP230-8 3RP350L-8 3RP350M-8 350±20% 850 20 20 300 100 1.0 2.0 3RP350-8 3RP400L-8 3RP400M-8 400±20% 850 20 20 300 100 1.0 2.0 3RP400-8 3RP470L-8 3RP470M-8 470±20% 950 20 20 300 250 1.0 2.0 3RP470-8 3RP600L-8 3RP600M-8 600±20% 1300 20 20 300 250 1.0 2.0 3RP600-8 3RP800L-8 3RP800M-8 800±20% 1500 20 20 300 250 1.0 2.0 3RP800-8 Electrical Ratings Items Test Condition/Description Requirement DC Spark-over Voltage The voltage is measured with voltage ramp dv/dt=100V/s. Test is between each side electrode and center electrode. To meet the specified Maximum Impulse Spark-over Voltage The maximum impulse spark-over voltage is measured with voltage ramp dv/dt=1000V/μs. Test is between each side electrode and center electrode. Revision: GDT-3R-8 SERIES-001(A2) 4/7 value http://brightking.pulseelectronics.com 3R-8 SERIES Maximum surge current that can be applied through center electrode with 8/20μs waveform, for 10 times with 3min interval time, which will be equally divided between each side electrode to center electrode, without causing the DC breakdown voltage to change more than 25% from its initial measured value. Crest value 100 90 Current (%) Impulse Discharge Current 50 20µs 10 0 8µs Time Impulse Width Alternating Discharge Current Insulation Resistance Capacitance 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. Test is between each side electrode and center electrode. 8 IR＞10 ohms (-20%, +30% for 70~90V). The resistance of gas tube shall be measured between each side electrodes and center electrode. The capacitance of gas tube shall be measured between each side electrodes and center electrode. Test frequency: 1MHz Recommended Soldering Conditions Wave Soldering 300 Preheating Maximum Wave 265℃ Soldering Cooling Temperature (℃) 250 200 150 100 50 0 0 Revision: GDT-3R-8 SERIES-001(A2) 0.5 1 1.5 2 2.5 Time (minutes) 3 3.5 Item Conditions Peak Temperature 265℃ Dipping Time 10 seconds Soldering 1 time 5/7 4 http://brightking.pulseelectronics.com 3R-8 SERIES Reflow Soldering Critical Zone TL to TP tP TP Ramp-up TL tL Temperature TS max TS min Ramp-down tS Preheat 25 t 25℃ to Peak Time Profile Feature Pb-Free Assembly 3℃/second max. Average ramp-up rate (TL to TP) Preheat -Temperature Min (TS min) 150℃ -Temperature Max (TS max) 200℃ -Time (min to max) (ts) 60-180 seconds TS max to TL 3℃/second max. -Ramp-up Rate Time maintained above: 217℃ -Temperature (TL) -Time (tL) 60-150 seconds 260℃ Peak Temperature (TP) Time within 5℃ of actual Peak Temperature (tP) 6℃/second max. Ramp-down Rate Time 25℃ to Peak Temperature Revision: GDT-3R-8 SERIES-001(A2) 20-40 seconds 8 minutes max. 6/7 http://brightking.pulseelectronics.com 3R-8 SERIES Packaging Axial Packing (Bulk) Skin packing Dimension (mm) Symbol Spec. Tolerance A 217.0 ±2.0 B 207.0 ±2.0 H 10.3 ±0.5 Quantity: 100pcs Inner box A0 225.0 ±2.0 B0 210.0 ±2.0 H0 60.0 ±2.0 Quantity: 500pcs SMD Packing (Tape & Reel) Tape P2 P1 t0 E P0 B0 B1 W F D0 W P0 P1 P2 D0 E F A0 K0 B0 B1 t0 Dimension (mm) Spec. Tolerance 16.00 ±0.20 4.00 ±0.10 16.00 ±0.10 2.00 ±0.10 1.55 ±0.05 1.75 ±0.10 7.50 ±0.10 11.60 ±0.10 8.90 ±0.10 8.60 ±0.10 10.00 ±0.10 0.50 ±0.05 D 330.00 ±2.00 d 13.00 ±0.50 L 20.00 ±2.00 t 2.00 ±0.20 Symbol K0 A0 Reel t D d L Revision: GDT-3R-8 SERIES-001(A2) Quantity: 300pcs 7/7 http://brightking.pulseelectronics.com