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Molded DYAD(R)
CM15
* * * * * * * * *
Features Small size SMT-compatible Easily formed leads Sputtered ruthenium contacts Hermetically sealed contacts Fast switching speed -- up to 500Hz Wide range of available magnetic sensitivities Superior mechanical strength Enhanced for better auto placement
Applications * Security - Proximity sensing - Smoke alarms * Automotive - Level sensor - Lamp current sensor * Relays
Description Clare's Molded DYAD(R) dry reed switches are ideally suited for small switching signal applications. This switch has sputtered ruthenium contacts and an extraordinary seal strength, achieved by a patented laser sealing of the glass. In low level or dry switching environments, both switches typically provide >1 billion operations. The switches have hermetically sealed contacts and offer a wide range of available magnetic sensitivities. In addition, the molding process provides a solid plastic outer shell. This plastic shell provides superior mechanical strength, eliminates concerns over handling glass switches, and provides an ideal solution for high speed, automated assembly environments."
Ordering Information A complete part number is represented by the digits to the right. For example, CM15S1030 is a MOLDED DYAD(R) with a minimum operate value of 10NI and a maximum of 30NI. Refer to the switch operating specification charts for available ranges. Special ranges are available upon request.
CM15 S XX XX
"S" for straight switch blank for SMT Maximum Operate Value (NI) Minimum Operate Value (NI)
Surface Mount Molded DYAD Refer to operating characteristics table for complete part number.
Standard Test Coil
The magnetic force (expressed in NI, AT or Ampere Turns) required to cause the reed switch contacts to close is called the pull-in or operate value.
MOLDED DYAD(R) Part # CM15S1015 CM15S1020 CM15S1030 CM15S1520 CM15S1525 CM15S2025 Operate Range (NI)1 10 to 15 10 to 20 10 to 30 15 to 20 15 to 25 20 to 25
CM15 Part # Coil definition Coil resistance Number of turns Wire size (nom. diameter) Bobbin diameter (inside coil) Winding length
(1)
Coil - 1 NARM1 CTC01 1200 5,000 0.0399mm (AWG 46) 3.96mm 10.4mm
Consult factory for test procedure. The reed switch shall be placed in the test coil with the gap centered in the core of the coil winding. Test leads and their clips must be non-magnetic. The longitudinal axis of the test coil and the test switch shall be vertical.
MOLDED DYAD(R) Surface Mount Part # CM15-2024 CM15-2259 CM15-2282 CM15-2025 CM15-2249 CM15-2026
1 2 3
Operate Range (NI)1,2,3 10 to 15 10 to 20 10 to 30 15 to 20 15 to 25 20 to 25
Tolerance = 1.5NI Full Blade Sensitivity Surface Mount Switches are packaged 3,000 parts per reel
DS-CM15-R1
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1
Molded DYAD(R)
CM15
Absolute Maximum Ratings (@ 25 C)
Parameter Switching Voltage CM15 - MOLDED DYAD(R) Switching Current CM15 - MOLDED DYAD(R) Carry Current CM15 - MOLDED DYAD(R) Switching Frequency CM15 - MOLDED DYAD(R) Contact Resistance CM15 - MOLDED DYAD(R)
(See detailed specifications for more information.)
Min
Typ Max Units 200 0.5 1.5 500 150 Volts Amps Amps Hz m
Absolute Maximum Ratings are stress ratings. Stresses in excess of these ratings can cause permanent damage to the device. Functional operation of the device at these or any other conditions beyond those indicated in the operational sections of this data sheet is not implied. Exposure of the device to the absolute maximum ratings for extended period may degrade the device and effect its reliability.
Specifications
All parameters are at 25C unless otherwise stated. PARAMETER Contact Ratings Operate ampere turns range Release ampere turns range Switching Voltage Switching Current Carry Current Contact Rating Life Expectancy CONDITIONS Full Blade Tolerance = 1.5NI Full Blade Tolerance = 1.5NI Max DC/PeakAC Resistive Max DC/PeakAC Resistive Max DC/PeakAC Resistive Max DC/PeakAC Resistive 1V, 10mA Signal Level 10V, 10mA Low Level 50V, 100mA Telecom Load 100V, 100mA Rated Loads 50mV, 10mA(1) SYMBOL AT AT VL IL IC CR IR TOP TREL TA TO G S S MIN 10 5 109 250 -40 -40 TYP 1000 500 2 2 80 Ru 1011 0.3 300 MAX 30 30 200 500 1.5 10 150 0.5 0.2 +125 +125 +240 20 30 500 UNITS NI NI VDC mAmps Amps VA x106 Ops x106 Ops x106Ops x106 Ops m pF VDC/Peak AC ms ms C C C -Gs Gs Gs
Static Contact Resistance Contact Material Switch Specifications Insulation Resistance(2) Capacitance Dielectric Strength(5) Operate Time, including bounce Release Time Environmental Ratings Storage Temperature Operating Temperature Soldering Temperature Vibration Shock Shock - survivability
(1) (2) (3)
100V, 25C, 40% RH Across Open Contacts Between Contacts At nominal coil voltage, 10Hz Square Wave Zener-Diode Suppression(3)
5Hz - 200Hz 111ms, 1/2 Sine Wave 111ms, 1/2 Sine Wave
Contact resistance measured with 4 terminal method, 1.1" between test leads >1012 is available upon request A 24V zener in series with a diode across the coil (4) Use caution not to exceed vibration resistance limits while ultrasonically cleaning. Contact Clare Engineering for more details/recommendations (5) 15 ampere turn minimum
2
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Rev. 1
Molded DYAD(R)
CM15
Mechanical Dimensions
DIMENSIONS mm (inches) Rev. 1
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3
Worldwide Sales Offices
CLARE LOCATIONS
Clare Headquarters 78 Cherry Hill Drive Beverly, MA 01915 Tel: 1-978-524-6700 Fax: 1-978-524-4900 Toll Free: 1-800-27-CLARE Clare Switch Division 4315 Earth City Expresssway St. Louis, MO 63045 Tel: 1-314-770-1832 Fax: 1-314-770-1812 Clare Micronix Division 145 Columbia Aliso Viejo, CA 92656-1490 Tel: 1-949-831-4622 Fax: 1-949-831-4628
EUROPE
European Headquarters CP Clare nv Bampslaan 17 B-3500 Hasselt (Belgium) Tel: 32-11-300868 Fax: 32-11-300890 France Clare France Sales Lead Rep 99 route de Versailles 91160 Champlan France Tel: 33 1 69 79 93 50 Fax: 33 1 69 79 93 59 Germany Clare Germany Sales ActiveComp Electronic GmbH Mitterstrasse 12 85077 Manching Germany Tel: 49 8459 3214 10 Fax: 49 8459 3214 29 Italy C.L.A.R.E.s.a.s. Via C. Colombo 10/A I-20066 Melzo (Milano) Tel: 39-02-95737160 Fax: 39-02-95738829 Sweden Clare Sales Comptronic AB Box 167 S-16329 Spanga Tel: 46-862-10370 Fax: 46-862-10371 United Kingdom Clare UK Sales Marco Polo House Cook Way Bindon Road Taunton UK-Somerset TA2 6BG Tel: 44-1-823 352541 Fax: 44-1-823 352797
ASIA PACIFIC
Asian Headquarters Clare Room N1016, Chia-Hsin, Bldg II, 10F, No. 96, Sec. 2 Chung Shan North Road Taipei, Taiwan R.O.C. Tel: 886-2-2523-6368 Fax: 886-2-2523-6369
SALES OFFICES AMERICAS
Americas Headquarters Clare 78 Cherry Hill Drive Beverly, MA 01915 Tel: 1-978-524-6700 Fax: 1-978-524-4900 Toll Free: 1-800-27-CLARE Eastern Region Clare P.O. Box 856 Mahwah, NJ 07430 Tel: 1-201-236-0101 Fax: 1-201-236-8685 Toll Free: 1-800-27-CLARE Central Region Clare Canada Ltd. 3425 Harvester Road, Suite 202 Burlington, Ontario L7N 3N1 Tel: 1-905-333-9066 Fax: 1-905-333-1824 Western Region Clare 1852 West 11th Street, #348 Tracy, CA 95376 Tel: 1-209-832-4367 Fax: 1-209-832-4732 Toll Free: 1-800-27-CLARE Canada Clare Canada Ltd. 3425 Harvester Road, Suite 202 Burlington, Ontario L7N 3N1 Tel: 1-905-333-9066 Fax: 1-905-333-1824
http://www.clare.com
Clare cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in this Clare product. No circuit patent licenses nor indemnity are expressed or implied. Clare reserves the right to change the specification and circuitry, without notice at any time. The products described in this document are not intended for use in medical implantation or other direct life support applications where malfunction may result in direct physical harm, injury or death to a person.
Specification: PB-CM15-R1 (c)Copyright 2001 Molded Ultra-Mini DYADTM, Molded Mini DYADTM, and Molded DYAD(R) are trademarks of Clare, Inc. All rights reserved. Printed in USA. 4/23/01

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