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Molded Ultra-Mini DYADTM
CM5
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 Ultra-Mini DYADTM is well suited for small, signal switching applications. The small size lends itself to surface mountable applications; working well on higher density PC boards. The Molded Ultra-Mini DYADTM has sputtered ruthenium contacts and an extraordinary seal strength achieved by a patented laser sealing of the leads. In low level or dry switching environments, switches typically exceed 1 billion operations. 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, CM5S1030 is a MOLDED ULTRAMINI DYADTM 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.
CM5 S XX XX
"S" for straight switch Maximum operate value Minimum operate value
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.
CM5
Part # Coil Definition Coil Resistance Number of Turns Wire Size Bobbin Diameter (inside cell) Winding Length Coil-1 NARM1 CTC01 1200 5,000 0.0399mm (AWG 46) 3.96mm 10.4mm
Surface Mount Molded Ultra-Mini DYAD Refer to operating characteristics table for complete part number.
Molded Ultra-Mini DYADTM Part #
CM5S1015 CM5S1020 CM5S1030 CM5S1520 CM5S1525 CM5S2025
Operate Range (NI)1
10 to 15 10 to 20 10 to 30 15 to 20 15 to 25 20 to 25
(1) 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 Ultra-Mini DYADTM Surface Mount Part #
CM5-2319 CM5-2315 CM5-2376 CM5-2325 CM5-2341 CM5-2378
1
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 2 Full Blade Sensitivity 3 Surface Mount Switches are packaged 3,000 parts per reel DS-CM5-R1
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Molded Ultra-Mini DYADTM CM5
Absolute Maximum Ratings (@ 25 C)
Parameter Switching Voltage CM5 - Molded Ultra Mini-DYADTM Switching Current CM5 - Molded Ultra Mini-DYADTM Carry Current CM5 - Molded Ultra Mini-DYADTM Switching Frequency CM5 - Molded Ultra Mini-DYADTM Contact Resistance CM5 - Molded Ultra Mini-DYADTM
(See detailed specifications for more information.)
Min -
Typ -
Max 175 0.25 0.50 500 300
Units 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 5Switching 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 5 109 200 -40 -40 TYP 1000 500 2 2 120 Ru 1011 0.3 MAX 30 30 175 250 0.5 5 300 0.4 0.1 +125 +125 +265 20 30 500 UNITS NI NI VDC mAmps Amps VA x106 Ops -x106 Ops x106 Ops x106 Ops 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
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
(1) (2) (3)
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, Inc. Engineering for more details/ recommendations (5) 15 ampere turn minimum
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Rev. 1
Molded Ultra-Mini DYADTM CM5
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-CM5-R1 (c)Copyright 2001, Clare, Inc. Molded Ultra-Mini DYADTM, Molded Mini DYADTM, and Molded DYAD(R) are trademarks of Clare, Inc. All rights reserved. Printed in USA. 5/01/01

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