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| E2R0014-37-21 REED SWITCH ORD221 General Purpose Miniature Offset (Medium-level Load 100 V Max.) ORD221 GENERAL DESCRIPTION The ORD221 is a small single-contact reed switch designed for general control of medium-level loads less than 100 V. The contacts are sealed within the glass tube with inert gas to maintain contact reliability. Features (1) Reed contacts are hermetically sealed within a glass tube with inert gas and do not receive any influence from the external atmospheric environment. (2) Quick response (3) The structure comprises an operating system and electrical circuits coaxially. Reed switches are suited to applications in radio frequency. (4) Reed switches are compact and light weight. (5) Superior corrosion resistance and wear resistance of the contacts assures stable switching operation and long life. (6) With a permanent magnet installed, reed switches economically and easily become proximity switches. External Dimensions (Unit:mm) 0.35 0.6 MAX f2.3 MAX 13.0 44.2 0.3 APPLICATIONS OF REED SWITCHES 1. Automotive electronic devices 2. Control equipment 3. Communication equipment 4. Measurement equipment 5. Household appliances ORD221 ELECTRICAL CHARACTERISTICS Parameter Pull-in Value Drop-out Value Contact Resistance Breakdown Voltage Breakdown Voltage Insulation Resistance Electrostatic Capacitance Contact Rating Maximum Switching Voltage Maximum Switching Current Maximum Carry Current Symbol PI DO CR -- -- -- -- -- -- -- -- Condition -- -- -- PI>20 PI<20 -- -- -- -- -- -- Rated Value Min. 10 5 -- 200 150 109 -- -- -- -- -- Typ. -- -- -- -- -- -- -- -- -- -- -- Max. 30 -- 100 -- -- -- 0.3 10 100DC AC 0.3 1.0 Unit AT AT mW VDC VDC W pF VA V A A (1) Drop-out vs. Pull-in (2) Contact resistance AT 50 99.9 99 95 (Measurement length; 32 mm) 40 Cumulative frequency percent 10 20 30 Pull-in 40 50 AT 90 80 70 60 50 40 30 20 10 5 1 0.1 Drop-out 30 20 10 0 40 60 80 100 mW Contact resistance ORD221 (3) Breakdown voltage (4) Insulation resistance (DC 100 V) 99.9 DC : V 400 99 95 Breakdown voltage Cumulative frequency percent 10 20 30 Pull-in 40 50 AT 300 90 80 70 60 50 40 30 20 10 5 1 0.1 200 100 0 10 10 10 11 10 12 10 13 10 14 W Insulation resistance (5) Electrostatic capacitance (1 MHz) pF 0.4 Electrostatic capacitance 0.3 0.2 0.1 0 10 20 30 Pull-in 40 50 AT ORD221 OPERATING CHARACTERISTICS Parameter Operate Time Bounce Time Release Time Resonant Frequency Maximum Operating Frequency Rated Value Min. -- -- -- 2500 -- Typ. -- -- -- 2750 -- Max. 0.4 0.5 0.05 3000 500 Unit ms ms ms Hz Hz (1) Operate time (25 Hz : 100 AT energized) ms 0.5 (2) Bounce time 99.9 99 95 (25 Hz : 100 AT energized) Cumulative frequency percent 0.4 90 80 70 60 50 40 30 20 10 5 1 0.1 Operate time 0.3 0.2 0.1 0 0 0.1 0.2 0.3 0.4 ms 10 20 30 Pull-in 40 50 AT Bounce time (3) Release time (25 Hz : 100 AT energized) (4) Resonant frequency 99.9 99 ms 95 15 Cumulative frequency percent 90 80 70 60 50 40 30 20 10 5 1 0.1 Release time 10 5 0 10 20 30 Drop-out 40 50 AT 2500 2750 3000 Hz Resonant frequency ORD221 MECHANICAL CHARACTERISTICS (1) Lead tensile test (static load) (2.27 kg - 10 sec) AT 60 (2) Lead tensile strength 99.9 99 95 50 Cumulative frequency percent 90 80 70 60 50 40 30 20 10 5 1 0.1 Pull-in and Drop-out 40 30 PI 20 DO 10 0 0 mW 2 4 6 8 10 kg Breaking load Contact resistance 80 CR 60 40 Before test After test ENVIRONMENTAL CHARACTERISTICS (1) Temperature characteristics 40 CR 30 Rate of change (percent) 20 DO 10 PI 0 -10 -20 -30 -40 -20 0 20 40 60 80 100 120 C Temperature ORD221 (2) Temperature cycle (-55 C to 125 C) AT 60 AT 60 (3) Temperature and humidity cycle to 65C (-10Cto 98% ) 80% 50 50 Pull-in and Drop-out 30 PI 20 DO 10 Pull-in and Drop-out 40 40 30 PI 20 DO 10 0 mW mW 0 Contact resistance 80 CR Contact resistance 100 100 80 CR 60 Before test After test 60 Before test After test (4) High temperature storage test (125 C - 500 H) AT 60 (5) Low temperature storage test (-40 C - 500 H) AT 60 50 50 Pull-in and Drop-out 40 Pull-in and Drop-out 40 30 PI 20 DO 10 30 PI 20 DO 10 0 mW mW 0 Contact resistance Contact resistance 100 100 80 CR 80 CR 60 Before test After test 60 Before test After test ORD221 (6) Shock test (30 G - 11 ms) AT 60 (open AE close) G 1500 50 Pull-in and Drop-out 40 30 PI 20 DO 10 1000 Acceleration Misoperation area 500 0 mW Contact resistance 100 CR 80 0 10 20 30 Pull-in 40 50 60 AT 60 Before test After test (7) Vibration test (20 G - 10 to 1000 Hz) AT 60 50 Pull-in and Drop-out 40 30 PI 20 DO 10 0 mW Contact resistance 100 80 CR 60 Before test After test ORD221 LIFE EXPECTANCY DATA: ORD221 (%) 99.9 90 70 50 30 10 5 No failure 5 mA 1 mA 100 mA Load conditions Voltage : 5 VDC Current : 100 mA, 1 mA, 5 mA Load : Resistive load Cumulative failure rate 1 0.1 0 2 3 5 7 10 5 2 3 5 7 10 6 2 3 5 7 10 7 2 3 5 7 10 8 Number of operations * Arrow indicates number of operations where test was completed (%) 99.9 90 70 50 30 10 5 No failure 100 mA 10 mA 5 mA Load conditions Voltage : 12 VDC Current : 5 mA, 10 mA, 100 mA Load : Resistive load Cumulative failure rate 1 0.1 0 2 3 57 10 5 2 3 57 10 6 2 3 57 10 7 2 3 57 10 8 Number of operations * Arrow indicates number of operations where test was completed (%) 99.9 90 Cumulative failure rate 70 50 30 10 5 200 mA No failure 10 mA 100 mA Load conditions Voltage : 24 VDC Current : 10 mA, 100 mA, 200 mA Load : Resistive load 1 0.1 0 2 3 5 7 10 5 2 3 5 7 10 6 2 3 5 7 10 7 2 3 5 7 10 8 Number of operations * Arrow indicates number of operations where test was completed |
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