Products with diode inside discontinued in diode 2014. inside Products with are If you are seeking a CA relay type not listed in this current data sheet, please refer to the one under the rubric "Discontinued / Not for new applications". are discontinued in 2014. Automotive power relays small size, light weight CA CA RELAYS FEATURES 1. Small size and light weight For space saving, the outside dimensions of the main body are reduced to be 21.5 mm (length) 14.4 mm (width) 37 mm (height) (.846 .567 1.457 inch) and the weight is also reduced to be approx. 19 g .67 oz (direct coupling 1 Form A, 1 Form B type) 2. Low operating power (1.4W) type is available (1 Form A, 1 Form B) 3. Since the terminal arrangement complies with JIS D5011 B4-M1, commercial connectors are available for these types of relays. Products to be discontinued. SPECIFICATIONS Contact Type Arrangement Initial contact resistance (By voltage drop 6 V DC 1A) Contact material Contact voltage drop Nominal switching capacity (resistive load) Max. switching voltage Rating Max. switching current Max. carrying current Min. switching capacity#1 Nominal operating power Mechanical (at 120 cpm) Expected 20 A life (min. (1.4 W, 1.8 W type) operations) Electrical 30 A (1.8 W type) 1 Form A 12 V DC 1 Form B 1 Form C 24 V DC 1 Form C Max. 50 m AgSnO2 type Max. 0.3 V After electrical life test, Max. 0.3 V Max. 0.4 V Max. 0.4 V by voltage drop After electrical life test, After electrical life test, After electrical life test, 12 V DC 20 A by voltage drop by voltage drop by voltage drop (1.4 W type), 12 V DC 20 A 12 V DC 20 A 24 V DC 10 A 12 V DC 30 A (1.8 W type) 20 A 12 V DC (1.4 W type) 10 A 24 V DC 20 A 12 V DC 30 A 12 V DC (ON: 2s, OFF: 2s) (1.8 W type) 16 V 15 V 30 V 120 A (1.4 W type) 120 A 100 A 50 A (Inrush current) 150 A (1.8 W type) 20 A continuous (1.4 W type) 20 A continuous 20 A continuous 10 A continuous 30 A for 1 min (1.8 W type) 1 A 12 V DC 1 A 24 V DC 1.4 W / 1.8 W 1.8 W 106 5105 5 10 (ON: 2s, OFF: 2s) 105 (ON 2s, OFF 2s) 105 (ON 2s, OFF 2s) 2104 (ON: 3s, OFF: 15s) #1 This value can change due to the switching frequency, environmental conditions, and desired reliability level, therefore it is recommended to check this with the actual load. ds_61201_en_ca: 030412D 1 CA Products with diode inside are discontinued in 2014. Characteristics (at 20C 68F) Type 15 cpm Max. operating speed Initial insulation resistance Initial breakdown Between open contacts voltage*1 Between contacts and coil Operate time*2 (at nominal voltage) Release time (without diode)*2 (at nominal voltage) Functional*3 Shock resistance Destructive*4 Functional*5 Vibration resistance Destructive*6 ( 12 V DC 24 V DC 1.4 W type: at nominal load 15 cpm (at nominal load) 1.8 W type: at 20 A Min. 10 M at 500 V DC 500 V rms for 1 min. 500 V rms for 1 min. Max. 10 ms at 20C (initial) Max. 10 ms (initial) ) Max. 10 ms at 20C (initial) Max. 10 ms (initial) Min. 200 m/s2 {20 G} Min. 100 m/s2 {10 G} Min. 1,000 m/s2 {100 G} Rubber bracket A type: Min. 100 m/s2 {10 G}, 50 Hz to 500 Hz Direct coupling type or Screw-mounting type: Min. 44.1 m/s2 {4.5 G}, 33Hz Rubber bracket A type: Min. 100m/s2 {10 G}, 50 Hz to 500 Hz Direct coupling type or Screw-mounting type: Min. 44.1 m/s2 {4.5 G}, 33Hz Conditions for operation, Ambient transport and storage*7 temp. (Not freezing and condensing Humidity low temperature) Water-proof standard Min. 100 m/s2 {10 G} Min. 44.1 m/s2 {4.5 G}, 33 Hz Min. 44.1 m/s2 {4.5 G}, 33 Hz -30C to +80C -22F to +176F 5% R.H. to 85% R.H. Plastic sealed type: JIS DO203S2, Dust cover type: JIS DO203R2 JIS DO203S2 Rubber bracket A type: 23 g .81 oz Direct coupling type or Screw-mounting type: 31 g 1.09 oz 19 g .67 oz Mass Electrical life (min. operation) Motor load Halogen lamp load (operating frequency ON: 2 s, OFF: 2 s) (operating frequency ON: 1 s, OFF: 14 s) 105, 20 A 12 V DC 105, 20 A 12 V DC 5 10 , 20 A 12 V DC 105, 20 A 12 V DC 5 10 , 10 A 24 V DC 105, 6 A 24 V DC Nominal coil voltage, V DC 1 Form A, 1 Form B 12 12 24 1 Form C Remarks *1 Detection current: 10 mA *2 Excluding contact bounce time *3 Half-wave pulse of sine wave: 11ms; detection time: 10s *4 Half-wave pulse of sine wave: 6ms *5 Detection time: 10s *6 Time of vibration for each direction; X, Y, direction: 2 hours, Z direction: 4 hours *7 Refer to "6. Usage, Storage and Transport Conditions" in AMBIENT ENVIRONMENT section in Relay Technical Information. ORDERING INFORMATION CA Contact arrangement 1a: 1 Form A 1b: 1 Form B 1 : 1 Form C 1a Protective construction Nil: Plastic sealed type F: Dust cover type F S 12 V Nominal operating power A Coil voltage (DC) 5 Mounting method Nil: Standard type (1.8 W) 12 V A: Rubber bracket A type S: Low operating power type (1.4 W) 24 V (1 Form C only) A: (1 Form A, 1 Form B) (1 Form A, 1 Form B) N: Screw mounting type C: Direct coupling type Classification by type Nil: 1 Form C 5: 1 Form A or 1 Form B Notes: 1. Type with resistor/diode inside are available as options. Please consult our sales office. 2. Standard packing: Carton: 20 pcs. Case: 200 pcs. Types with diode inside are only available until 2014. 2 ds_61201_en_ca: 030412D Products with diode inside CA are discontinued in 2014. COIL DATA 1) Standard type Contact arrangement 1 Form A 1 Form B 1 Form C Mounting type Rubber bracket A Screw-mounting Direct coupling Rubber bracket A Screw-mounting Direct coupling Screw-mounting Direct coupling Screw-mounting Direct coupling Plastic sealed type Dust cover type CA1a-12V-A-5 CA1a-12V-N-5 CA1a-12V-C-5 CA1b-12V-A-5 CA1b-12V-N-5 CA1b-12V-C-5 CA1-DC12V-N CA1-DC12V-C CA1-DC24V-N CA1-DC24V-C CA1aF-12V-A-5 CA1aF-12V-N-5 CA1aF-12V-C-5 CA1bF-12V-A-5 CA1bF-12V-N-5 CA1bF-12V-C-5 - - - - Nominal Pick-up voltage, voltage, V DC V DC (at 20C 68F) 12 12 12 12 12 12 12 12 24 24 Max. 8 Max. 8 Max. 8 Max. 8 Max. 8 Max. 8 Max. 8 Max. 8 Max. 16 Max. 16 Drop-out voltage, V DC (at 20C 68F) Min. 0.6 to 6 Min. 0.6 to 6 Min. 0.6 to 6 Min. 0.6 to 6 Min. 0.6 to 6 Min. 0.6 to 6 Min. 0.6 Min. 0.6 Min. 1.2 Min. 1.2 Nominal operating current, mA (at 20C 68F) 15010% 15010% 15010% 15010% 15010% 15010% 15010% 15010% 7510% 7510% Coil resistance, (at 20C 68F) 8010% 8010% 8010% 8010% 8010% 8010% 8010% 8010% 32010% 32010% Nominal operating power, W (at 20C 68F) 1.8 1.8 1.8 1.8 1.8 1.8 1.8 1.8 1.8 1.8 Usable voltage range, V DC 10 to 16 10 to 16 10 to 16 10 to 16 10 to 16 10 to 16 10 to 15 10 to 15 20 to 30 20 to 30 Nominal operating power, W (at 20C 68F) 1.4 1.4 1.4 1.4 1.4 1.4 Usable voltage range, V DC 10 to 16 10 to 16 10 to 16 10 to 16 10 to 16 10 to 16 2) Low operating power type Contact arrangement 1 Form A 1 Form B Mounting type Plastic sealed type Dust cover type Rubber bracket A Screw-mounting Direct coupling Rubber bracket A Screw-mounting Direct coupling CA1aS-12V-A-5 CA1aS-12V-N-5 CA1aS-12V-C-5 CA1bS-12V-A-5 CA1bS-12V-N-5 CA1bS-12V-C-5 CA1aFS-12V-A-5 CA1aFS-12V-N-5 CA1aFS-12V-C-5 CA1bFS-12V-A-5 CA1bFS-12V-N-5 CA1bFS-12V-C-5 Nominal Pick-up voltage, voltage, V DC V DC (at 20C 68F) 12 12 12 12 12 12 Max. 8 Max. 8 Max. 8 Max. 8 Max. 8 Max. 8 Drop-out voltage, V DC (at 20C 68F) Min. 0.6 to 6 Min. 0.6 to 6 Min. 0.6 to 6 Min. 0.6 to 6 Min. 0.6 to 6 Min. 0.6 to 6 DIMENSIONS(mm inch) Nominal operating current, mA (at 20C 68F) 12010% 12010% 12010% 12010% 12010% 12010% Coil resistance, (at 20C 68F) 10010% 10010% 10010% 10010% 10010% 10010% CAD Data Data from our Web site. Download CAD 1. 1 Form A/1 Form B Rubber bracket A type 21.5 .846 CAD Data 14.4 .567 2.5 10 .098 .394 SCHEMATIC (Bottom View) 1 Form A 1 Form B 15 .591 37 1.457 Including diode type, including load type also available. 17.4 .685 Sealed with epoxy resin 19.5 .768 9 .354 5.5 .217 15.4 .606 12.4 .488 1.5 .059 2 .079 ds_61201_en_ca: 030412D 17 .669 21.5 .846 0.8 .031 2.4 .094 6 .236 Including load (1 Form A) Including diode (1 Form C) diode type Dimension: General tolerance Max. 1mm .039 inch: 0.1 .004 1 to 3mm .039 to .118 inch: 0.2 .008 Min. 3mm .118 inch: 0.3 .012 3 CA Products with diode inside 2. 1 Form A/1 Form B Screw-mounting type CAD Data R10 6.5 +0.3 0 dia. hole .256 +.012 0 dia. 14.4 .567 14 .551 3 .118 2 .079 are discontinued in 2014. SCHEMATIC (Bottom View) 1 Form A 1 Form B 17.5 .689 7 .276 Including diode type, including load type also available. 37 1.457 21.5 .846 Sealed with epoxy resin 17.4 .685 19.5 .768 9 .354 5.5 .217 Including load (1 Form A) diode type 15.4 .606 12.4 .488 6 .236 3. 1 Form A/1 Form B Direct coupling type Including diode (1 Form C) Dimension: General tolerance Max. 1mm .039 inch: 0.1 .004 1 to 3mm .039 to .118 inch: 0.2 .008 Min. 3mm .118 inch: 0.3 .012 0.8 .031 2.4 .094 mm inch 21.5 .846 CAD Data 14.4 .567 SCHEMATIC (Bottom View) 1 Form A 1 Form B 37 1.457 Sealed with epoxy resin 19.5 .768 9 .354 17.4 .685 5.5 .217 15.4 .606 12.4 .488 6 .236 Including diode type, including load type also available. 0.8 .031 2.4 .094 Including load (1 Form A) Including diode (1 Form C) diode type Dimension: General tolerance Max. 1mm .039 inch: 0.1 .004 1 to 3mm .039 to .118 inch: 0.2 .008 Min. 3mm .118 inch: 0.3 .012 4 ds_61201_en_ca: 030412D Products with diode inside 4. 1 Form C Screw-mounting type CAD Data CA are discontinued in 2014. 6.6 dia. hole .260 dia. 4 .157 R10 14 .551 SCHEMATIC (Bottom View) 2 .079 1 Form C 20 .787 12 .472 59 28 2.323 1.102 40 1.575 Including diode type, including load type also available. 31.2 1.228 28.4 1.118 23.4 .921 0.8 .031 6 .236 19.4 .764 Including load (1 Form C) 5.5 .217 diode type 11.4 12.2 .449 .480 2.4 .094 Sealed with epoxy resin 9 9 .354 .354 Including diode (1 Form A) Dimension: General tolerance Max. 1mm .039 inch: 0.1 .004 1 to 3mm .039 to .118 inch: 0.2 .008 Min. 3mm .118 inch: 0.3 .012 5. 1 Form C Direct coupling type SCHEMATIC (Bottom View) CAD Data 1 Form C 28 1.102 40 1.575 31.2 1.228 28.4 1.118 23.4 .921 0.8 .031 6 .236 9 9 .354 .354 19.4 .764 Including diode type, including load type also available. 5.5 .217 11.4 12.2 .449 .480 2.4 .094 Sealed with epoxy resin Including load (1 Form C) Including diode (1 Form A) diode type Dimension: General tolerance Max. 1mm .039 inch: 0.1 .004 1 to 3mm .039 to .118 inch: 0.2 .008 Min. 3mm .118 inch: 0.3 .012 REFERENCE DATA 1. Coil temperature rise 2. Max. switching capability (Resistive load) Samples: CA1aS-12V-N-5, 5pcs. Measured portion: Inside the coil Contact carrying current: 20A Ambient temperature: Room temperature, 85C 185F 120 100 85C 185F 80 60 40 Coil applied voltage, VDC Room temperature Switching voltage, VDC Temperature rise, C (N.O. side Room temperature) 60 140 3. Ambient temperature and operating temperature range 50 40 30 20 40 35 30 25 Operation range 20 15 10 10 20 0 0 12 14 16 Coil applied voltage, V ds_61201_en_ca: 030412D 5 0 10 20 30 40 Switching current, A 50 0 -40 -30 -20 0 Pick-up voltage (Cold start) 20 40 60 8085 100 120 Ambient temperature, C 5 CA Products with diode inside 4. Ambient temperature characteristics (Cold start) are discontinued in 2014. 5. Distribution of pick-up and drop-out voltage 6. Distribution of operate and release time Quantity: 50pcs. Sample: CA1a-12V-N-5, 10pcs. Samples: CA1bS-12V-N-5 9 50 Pick-up voltage 8 7 Drop-out voltage 6 5 4 40 30 20 3 2 Operate and release time, ms Pick-up voltage Drop-out voltage 10 Frequency, n Pick-up and drop-out voltage, V 25 60 11 20 15 10 Operate time 5 10 Release time 1 0 0 -30 80 20 Ambient temperature, C 0 0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 6.5 0 6 8 10 12 14 Max. X Min. Max. X Min. 16 Coil applied voltage, %V Voltage, V 7-(1). Electrical life test (Motor load) Sample: CA1a-12V-C, 3pcs. Load: Inrush current: 63A, steady current: 23A Blower fan motor actual load (motor free) Switching frequency: (ON:OFF = 2s:2s) Ambient temperature: Room temperature Load current waveform Change of pick-up and drop-out voltage Change of contact resistance Load: Inrush current: 63A, steady current: 23A, 10A 500ms 10 9 8 7 Pick-up voltage 6 Max. X Min. 5 4 Drop-out voltage 3 Max. X Min. 2 Contact resistance, m Pick-up and drop-out voltage, V 10 8 6 Max. 4 X Min. 2 1 0 0 10 0 20 0 No. of operations, x 104 10 20 No. of operations, x 104 7-(2). Electrical life test (Lamp load) Sample: CA1a-12V-C, 3pcs. Load: 60Wx4, Inrush current: 110A, steady current: 20A Halogen lamp actual load Switching frequency: (ON:OFF = 1s:14s) Ambient temperature: Room temperature Load current waveform Change of pick-up and drop-out voltage Change of contact resistance Load: Inrush current: 110A, steady current: 20A, 20A 10 10 9 9 8 7 6 Pick-up voltage 5 Max. X Min. 4 3 Drop-out voltage 2 Max. X Min. 0 10 No. of operations, x 104 6 8 7 6 5 4 3 Max. X Min. 2 1 1 0 Contact resistance, m Pick-up and drop-out voltage, V 200ms 20 0 0 10 20 No. of operations, x 104 ds_61201_en_ca: 030412D Products with diode inside are discontinued in 2014. CA Cautions regarding the protection element 1. Part numbers without protection elements 1) 12 V models When connecting a coil surge protection circuit to these relays, we recommend a Zener diode with a Zener voltage of 24 V or higher, or a resistor (680 to 1,000). When a diode is connected to the coil in parallel, the release time will slow down and working life may shorten. Before use, please check the circuit and verify that the diode is not connected in parallel to the coil drive circuit. 2) 24 V models When connecting a coil surge protection circuit to these relays, we recommend a Zener diode with a Zener voltage of 48 V or higher, or a resistor (2,800 to 4,700). When a diode is connected to the coil in parallel, the release time will slow down and working life may shorten. Before use, please check the circuit and verify that the diode is not connected in parallel to the coil drive circuit. 2. Part numbers with diodes These relays use a diode in the coil surge protection element. Therefore, the release time is slower and the working life might be shorter compared to part numbers without protection elements and part numbers with resistors. Be sure to use only after evaluating under actual load conditions. 3. Part numbers with resistors This part number employs a resistor in the coil surge protection circuit; therefore, an external surge protection element is not required. In particular, when a diode is connected in parallel with a coil, the revert time becomes slower which could adversely affect working life. Please check the circuit and make sure that a diode is not connected in parallel with the coil drive circuit. For Cautions for Use, see Relay Technical Information. ds_61201_en_ca: 030412D 7