301 SONG CHUAN Features Micro 280 automotive relay. SPNO & SPDT contact configurations. NO contacts switch 35A resistive load, NC contacts switch 20A resistive load, 100,000 ops., 23C. Operating ambient temperature -40C to 125C. Optional resistor or diode for coil transient suppression. Complies with RoHS-Directive 2011/65/EU and ELVDirective 2000/53/EC. Type List Enclosure style Terminal Contact Designation style form (provided with) Dust cover Flux tight Sealed type washable ---------- 301-1A-D 301-1A-C 301-1A-S Resistor 301-1A-D-R1 301-1A-C-R1 301-1A-S-R1 Diode 301-1A-D-D1 301-1A-C-D1 301-1A-S-D1 ---------- 301-1C-D 301-1C-C 301-1C-S Resistor 301-1C-D-R1 301-1C-C-R1 301-1C-S-R1 Diode 301-1C-D-D1 301-1C-C-D1 301-1C-S-D1 1A (SPNO) Socket terminal 1C (SPDT) Ordering Information 301 1 - 1A 2 - D 3 4 5 1. 301 -- Basic series designation 2. 1A 1C -- Single pole normally open -- Single pole double throw 3. D C S -- Dust cover -- Flux tight -- Sealed type washable 4. Blank -- Standard type R1 -- Coil parallel with 1/2W resistor for 6V 180, 12V 680, 24V 2700 D1 -- Coil parallel with diode 1N4007 the diode anode on # 85 terminal 5. -- Coil voltage (please refer to the coil rating data for the availability) Contact Rating Resistive load 1A 1C 35A 14VDC NO: 35A 14VDC, 15A 28VDC 15A 28VDC NC: 20A 14VDC, 10A 28VDC Coil Rating (DC) Rated voltage Rated current Coil resistance 10 % at 23C 10 % at 23C without resistor with resistor without resistor with resistor 6V 188 mA 222 mA 32 27 12V 98 mA 115 mA 123 104 24V 50 mA 59 mA 483 410 Note : (1) With continuous contact current 15A. 244 Max. continuous voltage at 85C (1) Pick up voltage (Max.) at 23C Drop out voltage (Min.) at 23C 133 % of rated voltage 60 % of rated voltage 10 % of rated voltage Power consumption at rated voltage without resistor with resistor approx. 1.2W approx. 1.4W SONG CHUAN 301 Specification Contact material AgSnO alloy Contact voltage drop Operate time (1) Release time (1) (1) Typ. 40mV at 10A 10ms Max. 10ms Max. Insulation resistance Dielectric strength (1) 20M Min. (DC 500V) (1) Vibration resistance Shock resistance Life expectancy Between open contact : AC 500V , 50/60Hz 1 min. Between contact and coil : AC 500V , 50/60Hz 1 min. Operating extremes 10500Hz , 5.0G Damage limits 10500Hz , 5.0G Operating extremes 10G Damage limits 100G Mechanical 10,000,000 ops. (frequency 18,000 ops./hr.) Electrical 100,000 ops. (frequency 1,800 ops./hr.) -40+125C (no freezing) Operating ambient temperature Weight Approx. 20 g Note (1) Initial value. Operate and release time excluding contact bounce. (2) Unless otherwise specified, all tests are under room temperature and humidity. (3) Do not use the relay exceeding the coil rating, contact rating and life expectancy, or this may cause the risk of overheating. (4) To assure optimum performance, avoid the relay from dropping, hitting, or other unnecessary shocks. (5) Do not switch the contacts without any load as the contact resistance may become increased rapidly. (6) Flux tight version is recommended. If there is cleaning process and sealed type is selected, the vent-hole should be removed after the process. (7) Use suitable harnesses and bus bars according to the current as below 2 25A typeMin. 6.0mm (8) Usage, transport and storage conditions 1. Temperature: -40+125C 2. Humidity: 5 to 85% R.H. 3. Pressure: 86 to 106 kPa Furthermore, the humidity range varies with the temperature. So, use relays within the range indicated in the graph below. Humidity, %RH Tolerance range (Avoid freezing when used at temperatures lower than 0C) (Avoid condensation when used at temperatures higher than 0C ) Temperature, C (9) Please contact Song Chuan for the detailed information. 245 301 SONG CHUAN Outline Dimensions 22.5 15 (0.886) 11 (0.433) 25 (0.984) (0.591) 3.9 8.1 2.8-5 (0.110) 0.8-5 (0.154) (0.319) (0.031) 7.8 16.2 (0.307) (0.638) TOLERANCE: LESS THAN: 1(0.039) 0.1(0.004) 5(0.197) 0.3(0.012) 20(0.787) 0.5(0.020) MORE THAN: 20(0.787) 1(0.039) C L C L Wiring Diagram BOTTOM VIEW 1A 1C R1 30 86 30 85 87 85 86 D1 85 (-) 85 86 (+) 86 87 87A Engineering Data Safe breaking,arc extinguished (normally open contact)for resistive loads. Life expectancy 10 7 10 6 Life expectancy 10 7 10 6 90 50 40 0W 49 30 20 20 0W 0W 10 W 15 Number of operations Number of operations 60 50 Switching voltage(VDC) 70 NO 10 NC 5 NO NC 10 5 10 0.5 1 2 3 5 10 15 20 35 Switching current(A) 0 0 5 10 15 20 25 30 35 14VDC resistive load/Switching current(A) 140 130 120 12 11 100 90 80 70 50 40 7 min 6 5 avg Release time max 3 20 avg 2 95 100 105 110 115 120 125 130 Applied coil voltage (% of rated nominal) Maximum mean coil temperature=155C 246 max 8 4 30 90 Operate time 9 60 -------- 135 1 0 2 min 70 80 90 100 110 120 130 140 150 % of Nominal coil voltage (at 23) All specifications subject to change. 4 6 8 10 12 14 28VDC resistive load/Switching current(A) Operate time/Release time 10 15A 20A 25A 35A 110 Time (ms) Max. allowable ambient temperature Ambient temperature vs coil voltage for continuous contact load 0 Please contact Song Chuan for update. -------- 16