3RD-8S Series description：

The three-pole patch 3RD-8S series ceramic gas discharge tube produced by Ruilongyuan Electronics is suitable for automated PCB mounting production lines. There are different packages such as round electrodes, single square electrodes, and double-sided electrodes for users to choose freely. This series of products are mainly used in 5G communication base stations, high-frequency filters, switching power supplies, satellite antennas, automotive lighting, lightning protection devices, Gigabit and Fast Ethernet interfaces, 485 communication ports and other power and communication ports for surge protection. Volume: 8.3×10mm, voltage range: 75～600V, can withstand 20kA surge energy under 8/20μs waveform.

Part Number	DC Spark-over Voltage(VBR)@100V/s (V)	Impulse Spark-over Voltage		Insulation  Resistance	Capacitance  @1MHz	Impulse Discharge Current  @8/20μS
		100V/μS Max(V)	1KV/μS Max(V)	Min(GΩ)	Max(pF)	Nominal ±5 times (KA)	Max 1 time (KA)
3R075SD-8S	75±20%	500	600	1	1.5	20	25
3R090SD-8S	90±20%	500	600	1	1.5	20	25
3R150SD-8S	150±20%	500	600	1	1.5	20	25
3R230SD-8S	230±20%	600	700	1	1.5	20	25
3R250SD-8S	250±20%	600	700	1	1.5	20	25
3R350SD-8S	350±20%	800	900	1	1.5	20	25
3R420SD-8S	420±20%	850	950	1	1.5	20	25
3R470SD-8S	470±20%	900	1000	1	1.5	20	25
3R600SD-8S	600±20%	1100	1200	1	1.5	20	25