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SMB-251M

SunMate
Part Number SMB-251M
Manufacturer SunMate
Description SURFACE MOUNT GLASS TUBE
Published Feb 22, 2022
Detailed Description SMB-141N-SMB-901M SURFACE MOUNT GLASS TUBE Features ! Small Capacitance and excellent Insulation Resistance(100M Ω mi...
Datasheet PDF File SMB-251M PDF File

SMB-251M
SMB-251M

Overview
SMB-141N-SMB-901M SURFACE MOUNT GLASS TUBE Features ! Small Capacitance and excellent Insulation Resistance(100M Ω min) ! Small Size,No Polarity.
No Dark effect ! Low Electrode Capacitance (1pF Max).
! Quick Response For Electrostatic,Voltage and low limiting vloltage ! Stable for repeated discharge test conditions.
! Operating Temperature: -40O C ~ + O 85 C ! Storage temperature: -40OC ~ + 125OC Application ! For instantaneous over-volage 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 Toammeter,Water Meter Auto Admin system,etc C B A LL34/ SOD-80 Dim Min Max A 3.
30 3.
70 B 1.
30 1.
60 C 0.
28 0.
50 All Dimensions in mm Electrical Characteristics DC Spark-Over Voltage Vs(V) Part Number Insulation Resistance Nominal value （min-max) Test voltage IR (MΩ) Capacitance electroosftatic Surge current Surge Life Test 1KHz-6V(PF) capacity8/20us SMB-141N SMB-181N SMB-201M SMB-251M SMB-301M SMB-401M SMB-471M SMB-501M SMD-901M SMB-901M 140V 180V 200V 250V 300V 400V 470V 500V 900V 900V (98V-182V) (126V-234V) (160V-240V) (200V-300V) (240V-360V) (320V-480V) （400V-560V） (400V-600V) (720V-1080V) (720V-1080V) DC100V >1000MΩ 1PF(MAX) DC250V >1000MΩ 1000A 8/20us 1000A 10times 1 of 2 www.
sunmate.
tw SMB 501 M DC Spark-Over Voltage Accuracy ±20 DC Spark-Over Voltage 500V Dimension：Diameterφ2.
6 Length 5.
0mm 2 of 2 www.
sunmate.
tw ...


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