MEDER electronic MS Series MICRO SIL Reed Relays DESCRIPTION MICRO SIL is a compact version of our SIL Reed Relay Series using only 15.2 x 3.81 mm of board space which is half the standard SIL requirement. FEATURES APPLICATIONS • • • • • • • ATE systems • Measurement equipment • Telecommunications • Security systems Contact Form 1A, 1B and 2A Coaxial shield option for 1A Internal magnetic shield on all relays Diode option available High coil resistance option for 1A UL available on most models DIMENSIONS All dimensions in mm [inch] DIMENSIONS mm [inch] Unspecified Tolerances +/- 0.25mm Form 1A Unspecified Tolerances +/- 0.25 mm Form 2Amm [inch] DIMENSIONS Unspecified Tolerances +/- 0.127mm Unspecified Tolerances +/- 0.127 mm max3.81 [0.150] max 3.81 [0.150] 15.20 [0.598] 6.80 [0.268] 8.76 [0.345] 0.50 [0.020] 3.81 [0.150] 0.25 [0.010] 0.51 [0.020] 3.18 [0.125] ø0.51 [0.020] 3.20 [0.126] 15.11 [0.595] 2.54 [0.100] 0.50 [0.020] 12.70 [0.500] 11.43 [0.450] PIN OUT LAYOUT 75 Pitch 3.81mm [0.150] / Top View LAYOUT 78 [0.100] / Top View View fromPitch top2.54mm of component Form 1A 2 3 LAYOUT 80 Pitch 2.54mm [0.100] / Top View Form 2A 75 1 LAYOUT 79 Pitch 2.54mm [0.100] / Top View Form 1A/coax 78 80 4 1 Pitch grid: 3.81 mm [0.15”] Pin #2 must be positive when internal diode protection is present. 2 3 4 5 6 1 2 3 4 5 6 1 2 3 4 Pitch grid: 2.54 mm [0.1”] Pin #3 must be positive when internal diode protection is present. • Notch in case denotes pin #1 in 75 layout; dot stamped over pin # 1 for 78, 79 and 80 layouts. www.meder.com 180 Form 1B 79 5 6 MS Series MEDER electronic MICRO SIL Reed Relays ORDER INFORMATION Part Number Example Relay Series Nominal Voltage Contact Form Switch Model Pin Out Options High Resistance Version MS XX - 1A 87 75 X XX Options 05, 12 L, D HR MS12 - 1A87 - 75L 12 is the nominal voltage 87 is the switch model L is the option Options 05 1A coaxial 87 79 L, D 05 1B 87 80 L, D 05 2A 87 78 L, D OPTIONS L = No diode D = With diode HR = High resistance version (5 Volt option only) COIL DATA Contact Form Switch Model All Data at 20 °C * Coil Voltage Coil Resistance Pull-in Voltage Drop-out Voltage Nominal Coil Power VDC Ω VDC VDC mW Nom. Max. Min. Typ. Max. Max. Min. Typ. 5 7.5 250 280 310 3.5 0.75 90 5 HR 7.5 450 500 550 3.5 0.75 50 12 18 630 700 770 8.4 1.8 205 1A Normally open 87 1A coaxial 87 5 7.5 338 375 413 3.75 0.5 67 1B Normally closed 87 5 7.5 338 375 413 3.75 0.5 67 2A 2 poles 87 5 7.5 338 375 413 3.75 0.5 67 * The pull-in / drop-out voltages and coil resistance will change at the rate 0.4% / oC www.meder.com 181 MS Series MEDER electronic MICRO SIL Reed Relays RELAY DATA All Data at 20° C Switch Model → Contact Form → Contact Ratings Conditions Switch 87 Form A Min. Typ. Max. Units Switching Power Any DC combination of V & A not to exceed their individual max.‘s 10 W Switching Voltage DC or peak AC 200 V Switching Current DC or peak AC 0.5 A Carry Current DC or peak AC 1.0 A Static Contact Resistance w/ 0.5 V & 50mA 150 mΩ Dynamic Contact Resistance Measured w/ 0.5 V & 50mA , 1.5 ms after closure 200 mΩ Insulation Resistance Across Contacts Coil - Contact 1010 1013 Breakdown Voltage Across Contacts Contact - Shield Contacts and shield to coil 225 1000 1500 Operation Time incl. Bounce Nominal voltage 0.5 ms Release Time with no coil suppression with diode suppression 0.1 0.35 ms 1012 1014 Ω VDC Capacitance - across open contact No shield Shield floating Shield guarded 0.1 0.7 < 0.1 Open contacts to coil No shield Shield floating Shield guarded 0.8 0.8 0.4 Contact to shield Contact open and shield floating 0.8 DC <10 pF stray cap. 1000 pF Life Expectance Switch Voltage 5V - 10 mA 106 Cycles For other load requirements, see test section on Page 120. Environmental Data Shock Resistance 1/2 sinus wave duration 11 ms 50 g Vibration Resistance From 10 - 2000 Hz 20 g Ambient Temperature 10°C/ minute max. allowable -20 70 o C Stock Temperature 10°C/ minute max. allowable -35 95 o C Soldering Temperature 5 sec. wave soldering 260 o C www.meder.com 182