CA1A-12V-N-5 is a small-size automotive power relay designed for space-constrained applications in motorcycles, automobiles, and agricultural equipment. This 1 Form A relay features a 12V DC coil voltage with screw-mounting type installation, measuring 21.5 mm (length) × 14.4 mm (width) × 37 mm (height) and weighing approximately 19 g. The relay delivers a nominal switching capacity of 20 A at 12V DC with a maximum carrying current of 20 A continuous, utilizing silver alloy (cadmium-free) contacts with typical initial contact resistance of 3 mO. It exhibits superior inrush current handling capability of up to 120 A (max. 0.1 s) and provides an electrical life of minimum 105 operations at nominal switching capacity. The relay is sealed with epoxy resin per JIS D 0203 S2 waterproof standard and operates reliably across ambient temperatures from -30°C to +80°C, making it ideal for demanding automotive applications including motor control, air conditioning systems, and halogen lamp switching.