mdcg-4 features and benefits dimensions (in) mm notes 1) for details on electrical specifications, contact hamlin. 2) contact rating-product of the switching voltage and current should never exceed the wattage rating. contact hamlin for additional load/life information. 3) operate (inc. bounce) /release time-per eia/narm rs421a, diode suppressed coil. 4) pull in range-contact hamlin for tolerances available within this range. 5) rating sensitivity-the value at which contact ratings and operating characteristics are determined. derating may be required below this value. 6) storage temperature-long time exposure at elevated temperature may degrade solderability of the leads. switch type mdcg-4 contact form a underwriters laboratories recognised, file e47258 (see note 1) electrical ratings contact rating (2) watt - max. 10 voltage switching vdc - max. 200 breakdown vdc - min. 250 current switching a - max. 0.5 carry a - max. 1.2 resistance contact, initial ? - max. 0.100 insulation ? - min. 10 10 capacitance contact pf - typ. 0.2 temperature operating ? -40 to +125 storage (6) ? -65 to +125 operating characteristics operate time (3) ms - max. 0.6 release time (3) ms - max. 0.2 shock 11ms 1 2 sine wave g - max. 100 vibration 50-2000 hertz g - max. 30 resonant frequency hz - typ. 3900 magnetic characteristics pull-in range (4) ampere turns 12-38 rating sensitivity (5) ampere turns 20 test coil l4989 features sub-miniature normally open switch with 15.24mm x 2.28mm (0.600?x 0.090? glass envelope capable of switching up to 200vdc maximum contact rating 10 watts 10 10 ohms insulation resistance available sensitivity range 12-38 at surface mount version available benefits hermetically sealed switch contacts are not effected by and have no effect on their external environment low, stable contact resistance low space requirement zero operating power required for contact closure fit and forget durability well suited to signal switching applications applications reed relays security limit switching telecoms office equipment information provided on this data sheet is provided for information purposes only and should not be relied upon as being accura te for any particular purpose. product performance may be affected by the application to which the product is applied. upon request, hamlin will assist purchasers by providing information specific to any particular application. hamlin disclaims any and all liability whatsoever for any purchaser? reliance upon th e information contained on this data sheet without further consultation with authorised representatives of hamlin. hamlin usa tel: +1 920 648 3000 fax: +1 920 648 3001 email: sales.us@hamlin.com hamlin uk tel: +44 (0)1379 649700 fax: +44 (0)1379 649702 email: sales.uk@hamlin.com hamlin germany tel: +49 (0) 6142 923920 fax: +49 (0) 6142 923921 email: sales.de@hamlin.com hamectrol france tel: +33 (0) 1 6047 3000 fax: +33 (0) 1 6015 9136 email: sales.fr@hamlin.com www.hamlin.com issue no: 4 date: 1/5/3
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