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RI-25A PDF预览

RI-25A

更新时间： 2024-02-28 09:43:34
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Dry Reed Switch

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RI-25A 数据手册

 浏览型号RI-25A的Datasheet PDF文件第2页 
RI-25 Series Dry Reed Switch  
RI-25 Series  
Micro dry-reed switch hermetically sealed in a gas-filled glass enve-  
lope. Single-pole, single-throw (SPST) type, having normally open  
contacts, and containing two magnetically actuated reeds.  
The switch is of the double-ended type and may be actuated by an  
electromagnet, a permanent magnet or a combination of both.  
The device is intended for use in high load applications in relays or  
switching devices.  
RI-25 Series Features  
ꢀ
ꢀ
ꢀ
ꢀ
Can handle up to 25 W load  
Contact layers: gold, sputtered ruthenium  
Superior glass-to-metal seal and blade alignment  
Excellent life expectancy and reliability  
Dimensions in inches (mm)  
General data for all models RI-25  
AT-Customization / Preformed Leads  
Release time > 2ms (latching or contact sticking).  
Loaded conditions (resistive load: 20 V; 500 mA;  
operating frequency: 125 Hz)  
Besides the standard models, customized products can  
also be supplied offering the following options:  
! Operate and release ranges to customer  
specification  
RI-25AAA  
Life expectancy: min. 106 operations with a failure rate  
of less than 2.5x10-7 with a confidence level of 90%.  
End of life criteria:  
! Cropped and/or preformed leads  
Coils  
Contact resistance > 2Ω after 2.5 ms  
Release time > 2.5 ms (latching or contact sticking).  
All characteristics are measured using the Philips  
Standard Coil. For definitions of the Philips Standard  
Coil, refer to “Application Notes” in the Reed Switch  
Technical & Application Information Section of this  
catalog.  
RI-25AA; RI-25A; RI-25B; RI-25C  
Life expectancy: min. 5x107 operations with a failure  
rate of less than 5x10-9 with a confidence level of 90%.  
End of life criteria:  
Life expectancy and reliability  
Contact resistance > 2Ω after 2.5 ms  
The life expectancy data given below are valid for a coil  
energized at 1.25 times the published maximum operate  
value for each type in the RI-25 series.  
Release time > 2.5 ms (latching or contact sticking).  
Loaded conditions (resistive load: 50 V; 100mA;  
operating frequency: 50 Hz)  
Life expectancy: min. 106 operations with a failure rate  
of less than 2x10-7 with a confidence level of 90%.  
End of life criteria:  
No-load conditions (operating frequency: 100 Hz)  
Life expectancy: min. 3x108 operations with a failure  
rate of less than 0.9x10-9 with a confidence level of  
90%.  
End of life criteria:  
Contact resistance > 1Ω after 2 ms  
Contact resistance > 1Ω after 5 ms  
Release time > 2 ms (latching or contact sticking).  
Switching different loads involves different life expect-  
COTO TECHNOLOGY (USA) Tel: (401) 943-2686 / Fax (401) 942-0920 6 (Europe) Tel: +31-45-5439343 / Fax +31-45-5427216  
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