ShenZhen HuaXinAn Electronics Co.,Ltd Surge Absorbers GS37 Series 500A 1 Application: Fast Delivery Time ·For instantaneous over-voltage protection to ADSL,ISDN,MODEM,FAX,TEL,Power Supplies,Alarm systems. ·For instantaneous over-voltage protection to RS485,RS232 port, CATV,video transceiver. ·For instantaneous over-voltage protection to ammeter,water meter auto admin system, etc 2 Features ·Small capacitance and excellent insulation resistance(100MΩ min). ·Small size,No polarity.No dark effect. ·Low electrode capacitance(1pF max). ·Quick response for electrostatic,surge voltage and low limiting voltage. ·Stable for repeated discharge test conditions. ·Operating temperature: -40℃ ~ +85℃. Storage temperature: -40℃ ~ +125℃. 3 Electrical Characteristics DC Spark-Over Voltage Vs(V) Part Number Insulation Resistance Test voltage Capacitance of electrostatic IR (MΩ) Surge current capacity 8/20us Surge Life 1KHz-6V(PF) Nominal value（min-max) GS37-141N 140V (98V-182V) GS37-181N 180V (144V-216V) GS37-201M 200V (160V-240V) GS37-251M 250V (200V-300V) GS37-301M 300V (240V-360V) GS37-401M 400V (320V-480V) GS37-471M 470V （400V-560V） GS37-501M 500V (400V-600V) 10/700us DC100V >1000MΩ 4KV 1PF(MAX) DC250V 500A >1000MΩ 4 Dimension： Model Series ① ② ③ ④ GS37 φ2.0±0.3 φ4.0±0.3 28.4±0.5 Φ0.5±0.1 1 Revised:February 25,2014 www.huaandz.com 10times ShenZhen HuaXinAn Electronics Co.,Ltd Surge Absorbers 5 Marking of colour code： Fast Delivery Time GS37-301M Model Colour GS37-141N Brown GS37-181M Gray GS37-201M Red GS37-251M Red GS37-301M Red GS37-401M yellow GS37-471M yellow GS37-501M Green Photo 6 Part Number Description: GS37 301 M DC Spark-Over Voltage Accuracy ±20 DC Spark-Over Voltage 300V Dimension：Diameterφ2.0 Length 4.0mm 7 Packing Quantity (3000PCS) Shen Zhen HuaXinAn Electronics Co.,Ltd [email protected] [email protected] 2 Revised:February 25,2014 www.huaandz.com Tel:+86-755-27465585