REMtech DIP and SIP Dry Reed Relays, and Electromechanical Relays Dry Reed and Electromechanical Relays Dry Reed Relays c c c c Miniature, Cost-Effective Switching Solution State-of-the-Art Capsule Diode and Electrostatic Shield Options Available Standard Nominal Coil Voltages Include 5, 12, and 24 Volts Series LM, Electromechanical Relays 4 c Standard Nominal Coil Voltages 5,12, 24, VDC c UL and CSA Approval on Some Models c Sealed Construction for Automatic Board Cleaning Processes Engineering Specifications DSS4 PRMA PRMA (Form C) MSS4 LM44 Contact Form 1A, 1B 1C 1A 2C Contact Rating Maximum switching power Maximum switching voltage Maximum switching current Maximum carry current 10 VA 200 VDC or Peak AC 0.50 A 2.00 A 3 VA 100 VDC or Peak AC 0.25 A 0.40 A 30 VA 500 VDC/Peak AC 2.00 A 4.00 A 30 VA 125 VDC or AC 2.00 A 2.00 A Contact Resistance, Initial 150 milliohms max. 200 milliohms max. 100 milliohms max. 100 milliohms max. Contact Material Ruthenium Rhodium Mercury (all positions) Ag with Au cap Life Expectancy Signal level loads (ref 10 VDC, 10 mA) 200 106 20 106 200 106 10 106 Timing (at nominal VDC, 10 Hz drive, 50% duty cycle with diode suppression) Operate time, maximum (including Bounce) Release time, maximum 0.50 ms 2.00 ms 1.75 ms 6.00 ms 0.50 ms 3.00 ms 1.50 ms 4.00 ms Across Contacts 1000 Vrms 1400 VDC 175 Vrms 250 VDC 1000 Vrms 1400 VDC 100 Vrms 150 VDC 1000 Vrms 1400 VDC 1400 Vrms 5000 VDC 1000 Vrms 1400 VDC 500 Vrms 70 VDC Insulation Resistance (Ohms) 1010 109 108 109 Breakdown Voltage Coil to contact Stock No. Mfr.'s Type 681-0005 681-0010 681-0015 681-0016 Schematic Contact Form (Bottom View) EACH Nominal Voltage (VDC) Coil Resistance (Ohms 10%) Nominal Input Power (mW) Must Operate Voltage (VDC) Must Release Voltage (VDC) Maximum Voltage (VDC) 1-24 25-49 50-99 DSS41A05 DSS41A12 DSS41A24 DSS41A05B* 5 12 24 5 500 1000 2000 500 50 144 288 50 3.75 8.60 17.50 3.75 0.8 1.5 2.5 0.8 15.0 30.0 40.0 15.0 2.76 3.62 4.08 3.87 2.14 2.81 3.16 3.08 1.78 2.33 2.63 2.56 681-0020 681-0025 681-0030 DSS41B05 DSS41B12 DSS41B24 5 12 24 500 1000 2150 50 144 268 3.75 9.00 18.00 0.8 1.0 2.0 6.0 14.5 29.0 17.88 17.90 18.17 13.86 13.88 14.09 11.51 11.53 11.70 681-0050 681-0055 681-0060 681-0061 PRMA1A05 PRMA1A12 PRMA1A24 PRMA1A05B* 5 12 24 5 500 1000 2150 500 50 144 268 50 3.75 9.00 18.00 3.75 0.8 1.0 2.0 0.8 21.0 30.0 44.0 21.0 3.78 4.51 4.24 4.35 2.93 3.49 3.29 3.37 2.44 2.90 2.73 2.80 681-0065 681-0070 681-0075 PRMA1B05 PRMA1B12 PRMA1B24 5 12 24 500 1000 2150 50 144 268 3.75 9.00 18.00 0.8 1.0 2.0 6.0 14.5 29.0 6.07 6.39 6.71 4.70 4.95 5.20 3.91 4.11 4.32 681-0080 681-0085 681-0090 PRMA1C05 PRMA1C12 PRMA1C24 5 12 24 200 500 2150 125 288 268 3.75 9.00 18.00 0.8 1.0 2.0 12.0 18.0 32.0 9.64 9.64 10.12 7.47 7.47 7.85 6.21 6.21 6.52 681-0095 681-0100 681-0105 PRMA2A05 PRMA2A12 PRMA2A24 5 12 24 140 500 2150 170 288 268 3.75 9.00 18.00 0.8 1.0 2.0 11.0 21.0 44.0 6.76 7.09 7.44 5.25 5.50 5.77 4.36 4.56 4.79 681-0110 681-0115 PRMA10037 PRMA10038 5 12 380 530 66 271 3.75 9.00 0.8 1.0 15.0 19.0 5.61 5.93 4.35 4.60 3.61 3.82 681-1100 681-1101 MSS41A05 MSS41A12 5 12 140 500 179 288 3.75 9.00 0.5 1.0 10.0 16.0 14.79 14.79 11.47 11.47 9.53 9.53 681-0116 681-0117 681-0118 LM44B00 LM44D00 LM44E00 5 12 24 167 960 2880 150 150 150 3.60 8.50 16.80 0.6 1.2 2.4 7.0 16.8 33.5 5.13 5.13 5.45 3.98 3.98 4.23 3.30 3.30 3.51 *With Diode. 144 b ALLIED See Our Manufacturer Index Located In Section 1