DAR-RELAYS
PC BOARD TYPE AUTOMOBILE RELAY WITH HIGH LEVEL SWITCHING POWER
FEATURES
  • DAR relaysSubminiature type
  • High level switching power (30A 12V DC)
  • Lightweight
  • Contact arrangement :
    1 Form A, 1 Form C
  • Low-cost
TYPICAL APPLICATIONS
1. Signal Flasher
Ambient Temperature : -30 to 60°C
Flashing Frequency : 85 times/min
Working Ratio : 50%
Lamp Load : 120W, 12V DC
Working Voltage : 10 to 16V DC
2. Wiper Operation (Intermittent)
Ambient Temperature : -30 to 60°C
Wiper Motor Load : 0.8 sec. ON,
2.0 sec. OFF to
0.8 sec. ON,
10.0 sec. OFF.
Working Voltage : 10 to 16V DC
3. Power Antenna Operation
4. Power Window Operation
5. Auto Speed Control
6. Timer Control
7. Panel Illumination Control
8. Electronic Circuit Output Control		 All DAR Relays are designed for control applications of automobile electronics.
Please refer to application explanations.
ORDERING INFORMATION
DAR ---------- 12 C 1 ---------- D
Model Coil Voltage Contact Arrangement Coil Type External
PC board type automobile relay 12 : 12V DC
24 : 24V DC		 A : 1 Form A
C : 1 Form C		 1 : High power dissipation
2 : Low power dissipation
*See "Coil Ratings"		 Nil : Open type
D : With dust cover
COIL RATINGS
Model Number Contact Arrangement Nominal Voltage (VDC) Pick-Up Voltage (VDC) Drop-Out Voltage (VDC) Coil Resistance (Ohms) Power Dissipation (Watts)
DAR-12C1- · 1 Form C 12 8.0 0.6 85 1.7
DAR-12A1- · 1 Form A 12 8.0 0.6 85 1.7
DAR-12C2- · 1 Form C 12 9.6 0.7 120 1.2
DAR-12A2- · 1 Form A 12 9.6 0.7 120 1.2
DAR-24C1- · 1 Form C 24 16.0 1.2 340 1.7
DAR-24A1- · 1 Form A 24 16.0 1.2 340 1.7
DAR-24C2- · 1 Form C 24 19.2 1.5 500 1.2
DAR-24A2- · 1 Form A 24 19.2 1.5 500 1.2
Note : The coil resistance, pick-up and drop-out voltage show the value at ambient temperature 20°C respectively, and the resistance tolerance is ±10%.
CONTACT RATINGS
Rated load 30A (Resistive load) Intermittent operation
Motor load 20A
Lamp load 120W
Max. switching power 240W
Max. voltage 60V DC
CHARACTERISTICS
Contact Arrangement 1 Form A, 1 Form C
Contact Material Silver-alloy
Initial Contact Resistance 100m ohm max. (at 6V DC 1A)
Coil Power Dissipation See "COIL RATINGS"
Coil Temperature Rise 60 deg. max.
Insulation Resistance 100M ohm min. (at 500V DC)
Breakdown Voltage 750V AC for 1 minute
Operate Time Approx. 10 msec
Release Time Approx. 10 msec
Expected Life Mechanical 1 X 106 operations (18,000 ops./hour)
Electrical 100 X 103 operations (1,800 ops./hour)
Shock Resistance Functional 10G's
Destructive 30G's
Vibration Resistance Functional 10 to 55Hz (Double amplitude 1.0mm)
Destructive 10 to 55Hz (Double amplitude 1.0mm)
Ambient Temperature -30 - +80°C
Humidity 45% - 85% RH
Unit Weight Approx. 17 gr.
Note: The data shown above are of initial value.
DIMENSIONS
diagram
diagram
diagram
PC BOARD PATTERN (Copper - Side View)
diagram
Schematic (Bottom View)
 

NOTE: ALL DIMENSIONS SHOWN IN THIS CATALOG ARE IN UNITS OF MILLIMETERS.
To convert millimeters into inches multiply by 0.03937.
To convert grams into ounces multiply by 0.03527.
Contents
 
Relay Selector Chart
  Glossary
  Ripple Factor
  Kinds of Load
  Contact Protection Circuits
Relays in Electronic Circuits
  Know-how of Circuit Design
  Mounting Direction for Relays
  Soldering and Cleaning Recommendations
  Representative Latching Relay Circuits
 
Standard Terms: Check/Money Order
Net 30
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Minimum Order: $100.00
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