CB MINI-ISO AUTOMOTIVE RELAY RoHS compliant CB RELAYS FEATURES TYPICAL APPLICATIONS * This relay has an Mini-ISO (International Organization for Standardization) terminal arrangement. * Relay is compact and high capacity (40 A). Compact form factor realized with space saving 22 x 26 mm .866 x 1.024 inch small base area thanks to integrated bobbin and base construction. Features high switching capacity of 40 A * Features high thermal resistance of 125C 257F (heat resistant type). Heat resistant type is available that can withstand use near engines. (40 A switching capacity) * Built-in resistor type is also available. * Automobiles Headlights, Cell motors, Air conditioners, ABS, EPS, etc. * Construction equipment * Agricultural equipment, Conveyor, etc. ORDERING INFORMATION CB Contact arrangement 1a: 1 Form A 1: 1 Form C Contact rating Nil: Standard type H: High contact capacity type Protective construction Nil: Sealed type F: Flux-resistant type Heat resistant of types Nil: Standard type T: Heat resistant type Protective element Nil: None R: with resistor inside Mounting classification Nil: Plug-in type P: PC board type M: Bracket type Coil voltage (DC) 12V, 24 V ASCTB220E 201208-T Panasonic Corporation Automation Controls Business Unit industrial.panasonic.com/ac/e/ CB TYPES 1. Standard type Contact arrangement Mounting classification PC board type 1 Form A Plug-in type Bracket type PC board type 1 Form C Plug-in type Bracket type PC board type* High contact capacity (1 Form A) Plug-in type Bracket type 12V DC 24V DC 12V DC 24V DC 12V DC 24V DC 12V DC 24V DC 12V DC 24V DC 12V DC 24V DC Sealed type Part No. CB1a-P-12V CB1a-P-24V CB1a-12V CB1a-24V CB1a-M-12V CB1a-M-24V CB1-P-12V CB1-P-24V CB1-12V CB1-24V CB1-M-12V CB1-M-24V Flux-resistant type Part No. CB1aF-P-12V CB1aF-P-24V CB1aF-12V CB1aF-24V CB1aF-M-12V CB1aF-M-24V CB1F-P-12V CB1F-P-24V CB1F-12V CB1F-24V CB1F-M-12V CB1F-M-24V 12V DC 24V DC 12V DC 24V DC 12V DC 24V DC CB1aH-P-12V CB1aH-P-24V CB1aH-12V CB1aH-24V CB1aH-M-12V CB1aH-M-24V CB1aHF-P-12V CB1aHF-P-24V CB1aHF-12V CB1aHF-24V CB1aHF-M-12V CB1aHF-M-24V Nominal coil voltage Standard packing; Carton: 50 pcs. Case: 200 pcs. Note: Please use "CBR" to order with resistor inside type. (Asterisks "" should be filled in from ORDERING INFORMATION.) 2. Heat resistant type Contact arrangement Mounting classification PC board type 1 Form A Plug-in type Bracket type PC board type 1 Form C Plug-in type Bracket type PC board type* High contact capacity (1 Form A) Plug-in type Bracket type 12V DC 24V DC 12V DC 24V DC 12V DC 24V DC 12V DC 24V DC 12V DC 24V DC 12V DC 24V DC Sealed type Part No. CB1a-T-P-12V CB1a-T-P-24V CB1a-T-12V CB1a-T-24V CB1a-T-M-12V CB1a-T-M-24V CB1-T-P-12V CB1-T-P-24V CB1-T-12V CB1-T-24V CB1-T-M-12V CB1-T-M-24V Flux-resistant type Part No. CB1aF-T-P-12V CB1aF-T-P-24V CB1aF-T-12V CB1aF-T-24V CB1aF-T-M-12V CB1aF-T-M-24V CB1F-T-P-12V CB1F-T-P-24V CB1F-T-12V CB1F-T-24V CB1F-T-M-12V CB1F-T-M-24V 12V DC 24V DC 12V DC 24V DC 12V DC 24V DC CB1aH-T-P-12V CB1aH-T-P-24V CB1aH-T-12V CB1aH-T-24V CB1aH-T-M-12V CB1aH-T-M-24V CB1aHF-T-P-12V CB1aHF-T-P-24V CB1aHF-T-12V CB1aHF-T-24V CB1aHF-T-M-12V CB1aHF-T-M-24V Nominal coil voltage Standard packing; Carton: 50 pcs. Case: 200 pcs. Note: Please use "CBR" to order with resistor inside type. (Asterisks "" should be filled in from ORDERING INFORMATION.) RATING 1. Coil data 1) No protective element Contact arrangement Nominal coil voltage Pick-up voltage Drop-out voltage 1 Form A, 1 Form C 12V DC 24V DC 3 to 7V DC 6 to 14V DC 1.2 to 4.2V DC 2.4 to 8.4V DC High contact capacity (1 Form A) 12V DC 3 to 7V DC 1.2 to 4.2V DC 24V DC 6 to 14V DC 2.4 to 8.4V DC Nominal operating current Coil resistance Nominal operating power Usable voltage range 117mA 75mA 117mA 150mA 58mA 75mA 103 320 103 80 411 320 1.4W 1.8W 1.4W (PC board type) 1.8W 1.4W (PC board type) 1.8W 10 to 16V DC 20 to 32V DC 10 to 16V DC 20 to 32V DC Note: Other pick-up voltage types are also available. Please contact us for details. 2) With resistor inside Contact arrangement Nominal coil voltage Pick-up voltage (Initial, at 20C 68F) Drop-out voltage (Initial, at 20C 68F) Nominal operating current (at 20C 68F) Combined resistance (10%) (at 20C 68F) Nominal operating power (at 20C 68F) Usable voltage range 1 Form A, 1 Form C 12V DC 24V DC 3 to 7V DC 6 to 14V DC 1.2 to 4.2V DC 2.4 to 8.4V DC 134mA 84mA 89.5 287.2 1.6W 2.0W 10 to 16V DC 20 to 32V DC Panasonic Corporation Automation Controls Business Unit industrial.panasonic.com/ac/e/ ASCTB220E 201208-T CB 2. Specifications 1) Standard type (12 V coil voltage) Characteristics Item Specification Arrangement Contact 1 Form A Contact resistance (Initial) Contact material Typ2m (By voltage drop 6 V DC 1 A) Ag alloy (Cadmium free) Nominal switching capacity (Initial) Rating Electrical characteristics Max. carrying current (Initial) (14V DC, at 85C 185F, continuous) Nominal operating power Min. switching capacity (resistive load)*1 Insulation resistance (Initial) Expected life Conditions 40A 14V DC N.O.: 40A 14V DC N.C.: 30A 14V DC 70A 14V DC (at 20C 68F) 50A 14V DC (at 85C 185F) N.O.: 40A N.O.: 40A, N.C.: 30A N.O.: 40A 1.4W 1.4W 1.8W (1.4W: PC board type) 1A 14V DC Min. 20 M (at 500V DC, Measurement at same location as "Breakdown voltage" section.) Between open contacts Between contacts and coil Operate time (at nominal coil voltage) (at 20C 68F) Release time (at nominal coil voltage) (at 20C 68F) 500 Vrms for 1 min. (Detection current: 10mA) 500 Vrms for 1 min. (Detection current: 10mA) Breakdown voltage (Initial) Shock resistance Mechanical characteristics High contact capacity (1 Form A) 1 Form C Max. 15ms (excluding contact bounce time) (Initial) Max. 15ms (excluding contact bounce time) (Initial) Min. 200 m/s2 {20G} Min. 1,000 m/s2 {100G} Functional Destructive Functional Destructive Electrical (at nominal switching capacity) Mechanical Vibration resistance Conditions for operation, transport and storage*2 Max. operating speed Mass 10 Hz to 500 Hz, Min. 44.1m/s2 {4.5G} 10 Hz to 2,000 Hz, Min. 44.1m/s2 {4.5G} Time of vibration for each direction; X. Y. Z direction: 4 hours Flux-resistant type: Min. 105, Sealed type: Min. 5x104 (Operating frequency: 2s ON, 2s OFF) Min. 106 (at 120 cpm) Standard type; Ambient temperature: -40 to +85C -40 to +185F, Humidity: 5 to 85% R.H. (Not freezing and condensing at low temperature) Heat resistant type; Ambient temperature: -40 to +125C -40 to +257F, Humidity: 5 to 85% R.H. (Not freezing and condensing at low temperature) 15 cpm (at nominal switching capacity) Approx. 33 g 1.16 oz Notes: *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. *2. The upper operation ambient temperature limit is the maximum temperature that can satisfy the coil temperature rise value. Please refer to "Usage ambient condition" in CAUTIONS FOR USE OF AUTOMOTIVE RELAYS. 2) Standard type (24 V coil voltage) Characteristics Item Specifications Arrangement Contact 1 Form A Contact resistance (Initial) Contact material Max. 15m (By voltage drop 6 V DC 1 A) Ag alloy (Cadmium free) Nominal switching capacity (Initial) Rating High contact capacity (1 Form A) 1 Form C Max. carrying current (Initial) (28V DC, at 85C 185F, continuous) Nominal operating power 20A 28V DC N.O.: 20A 28V DC N.C.: 10A 28V DC 20A 28V DC 20A N.O.: 20A, N.C.: 10A 20A 1.8W 1.8W 1.8W, 1.4W (PC board type) Note: All other specifications are the same as those of standard type (12 V coil voltage) 3) Heat resistant type (12 V and 24 V coil voltage) Characteristics Specifications Item Arrangement 12V 1 Form A 1 Form C 40A 14V DC N.O.: 40A 14V DC N.C.: 30A 14V DC 50A 14V DC N.O.: 50A 14V DC 45A 50A N.C.: 30A 14V DC 14V DC 14V DC Contact Contact resistance (Initial) Contact material Nominal switching capacity (Initial) Rating Max. carrying current (Initial) (at 85C 185F, continuous)* Nominal operating power 24V High contact capacity 1 Form A (1 Form A) Max. 15m (By voltage drop 6 V DC 1 A) Ag alloy (Cadmium free) 1.4W 1.4W 40A 14V DC 1.8W 1.4W (PC board type) 1 Form C High contact capacity (1 Form A) 20A 28V DC N.O.: 20A 28V DC N.C.: 10A 28V DC 20A 28V DC 25A 28V DC N.O.: 25A 28V DC N.C.: 10A 28V DC 25A 28V DC 1.8W 1.8W 1.8W, 1.4W (PC board type) Notes: 1. All other specifications are the same as those of standard type (12 V coil voltage) 2. *Current value in which carry current is possible when the coil temperature is 180C 356F ASCTB220E 201208-T Panasonic Corporation Automation Controls Business Unit industrial.panasonic.com/ac/e/ CB REFERENCE DATA CB RELAYS (Standard type) 2. Max. switching capability (Resistive load) (Heat resistant standard type) (Standard type) 20A 100 30A 80 40A 60 3. Ambient temperature and operating voltage range (Standard type) 40 Coil applied voltage, VDC 120 50 40 30 20 105 cycle line 100 110 120 130 140 Applied coil voltage, %V 0 150 10 30 25 20 Operating voltage range 15 5 Actual value (Max. 105 cycle) 0 35 10 10 40 20 90 (N.O. side Room temperature) 60 150 140 Switching voltage, VDC Maximum allowable ambient temperature, C 1. Allowable ambient temperature 20 30 40 Switching current, A 0 -40 -20 50 Pick-up voltage (Cold start) 0 20 40 60 8085 100 120 Ambient temperature, C Assumption: * Maximum mean coil temperature: 180C * Curves are based on 1.4W (Nominal power consumption of the unsupprressed coil at nominal voltage) 4. Distribution of pick-up and drop-out voltage 5. Distribution of operate and release time Sample: CB1-P-12V, 42pcs. Sample: CB1-P-12V, 42pcs. 60 60 Pick-up voltage Drop-out voltage 40 30 40 30 20 20 10 10 0 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 6.5 7.0 0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 Voltage, V 6. Electrical life test (Motor free) Operate and release time, ms Change of pick-up and drop-out voltage Sample: CB1F-12V, 5pcs. Load: 25A 14V DC, motor free actual load Operating frequency: ON 1s, OFF 9s Ambient temperature: Room temperature Change of contact resistance Relay harness M Motor 50 5 Pick-up voltage Max. X Min. 4 3 Drop-out voltage 2 Max. X Min. 0 40 3 20 10 1 Observation of load waveform with current probe and digital oscilloscope Contact resistance, m Tested sample Pick-up and drop-out voltage, V 6 Circuit 14V DC Operate time Release time 50 Quantity, n Quantity, n 50 0 5 10 0 0 No. of operations, x 104 5 Max. X Min. 10 No. of operations, x 104 Load current waveform Inrush current: 80A, Steady current: 25A 20A 200ms Panasonic Corporation Automation Controls Business Unit industrial.panasonic.com/ac/e/ ASCTB220E 201208-T CB CB RELAYS (High contact capacity type) 1. Allowable ambient temperature 2. Ambient temperature and operating voltage range (High resistant/high contact capacity type) 3. Distribution of pick-up and drop-out voltage Sample: CB1aHF-12V, 53pcs. 150 140 30A 100 40A 80 50A 60 40 70 35 60 30 Quantity, n 120 Coil applied voltage, VDC Maximum allowable ambient temperature, C (High contact capacity/standard type) 25 20 Operating voltage range 50 40 30 15 20 10 60A 40 10 5 70A 20 90 Pick-up voltage Drop-out voltage 100 110 120 130 140 Applied coil voltage, %V 0 -40 -20 150 Pick-up voltage (Cold start) 0 20 40 60 80 85 100 120 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 Voltage, V Assumption: * Maximum mean coil temperature: 180C * Curves are based on 1.4W (Nominal power consumption of the unsupprressed coil at nominal voltage) 4. Distribution of operate and release time 5. Contact resistance Sample: CB1aHF-12V, 53pcs. Sample: CB1aHF-12V, 53pcs. (By voltage drop 6V DC 1A) 70 10 60 Operate time Quantity, n 8 6 50 40 30 4 20 Release time 2 0 10 8 10 12 0 1.0 1.2 1.4 1.6 1.8 2.0 2.2 2.4 2.6 2.8 14 Coil voltage, V Resistance, m Change of pick-up and drop-out voltage Sample: CB1aH-12V, 3pcs. Load: Inrush current: 64A/Steady current: 35A Fan motor actual load (motor free) 12V DC Operating frequency: ON 3s, OFF 7s Ambient temperature: Room temperature Circuit 3s 7s 10s Change of contact resistance 50 10 Pick-up and drop-out voltage, V 6. Electrical life test (Motor free) 9 8 7 6 Pick-up voltage 5 4 Drop-out voltage 3 Max. X Min. 2 1 0 M Max. X Min. 0 5 10 No. of operations, x 104 Contact resistance, m Operate and release time, ms 12 40 30 20 Max. 10 X Min. 0 0 5 No. of operations, x 104 Load current waveform Inrush current: 64A, Steady current: 35A 10A 500ms ASCTB220E 201208-T Panasonic Corporation Automation Controls Business Unit industrial.panasonic.com/ac/e/ 10 CB DIMENSIONS (mm inch) The CAD data of the products with a CAD Data mark can be downloaded from: http://industrial.panasonic.com/ac/e/ 1. PC board type External dimensions CAD Data Schematic (Bottom view) 1 Form A 86 25.0 .984 30 87 85 4.5 .177 1.0 .039 Including resistor type also available 2.15 6.3 .085 .248 26.0 1.024 22.0 .866 1 Form C 86 30 87a 87 85 86 0.8 .031 8.4 .331 16.8 .661 87a 30 Including resistor type also available 87 85 8 .315 8.4 17.9 .331 .705 PC board pattern (Bottom view) 2.6 .102 4(or5)x2.6 4(or5)x.102 1 Form C type only 86 8.4 .331 87a Dimension: Max. 1mm .039 inch: 1 to 3mm .039 to .118 inch: Min. 3mm .118 inch: General tolerance 0.1 .004 0.2 .008 0.3 .012 30 87 4(or5)x1.4 4(or5)x.055 16.8 .661 85 1 Form C type only 8.0 .315 8.4 .331 17.9 .705 Tolerance: 0.1 .004 2. Plug-in type CAD Data External dimensions Schematic (Bottom view) 1 Form A 86 25.0 .984 30 87 85 4.0 11.0.157 .433 Including resistor type also available 5x6.3 5x.248 26.0 1.024 1.7 dia. .067 dia. 22.0 .866 86 30 8.4 .331 86 1 Form C 85 87a 87 87a Including resistor type also available 0.8 .031 30 85 87 8 .315 8.4 .331 17.9 .705 16.8 .661 2.6 .102 Dimension: Max. 1mm .039 inch: 1 to 3mm .039 to .118 inch: Min. 3mm .118 inch: Panasonic Corporation Automation Controls Business Unit General tolerance 0.1 .004 0.2 .008 0.3 .012 industrial.panasonic.com/ac/e/ ASCTB220E 201208-T CB 3. Bracket type External dimensions CAD Data 16.0 .630 5.40.1 dia. .213.004 Schematic (Bottom view) 4.00.1 .157.004 1.7 .067 1 Form A 86 30 6.0 16.0 .236 .630 87 85 Including resistor type also available 1 Form C 25.0 .984 86 30 4.0 11.0.157 .433 85 5x6.3 5x.248 26.0 1.024 22.0 .866 87a 87 Including resistor type also available 0.8 .031 30 86 85 87a* 87 8 .315 2.6 .102 16.8 .661 17.9 .705 8.4 .331 8.4 .331 Dimension: Max. 1mm .039 inch: 1 to 3mm .039 to .118 inch: Min. 3mm .118 inch: General tolerance 0.1 .004 0.2 .008 0.3 .012 4. High contact capacity type (1 Form A) (Plug-in type) CAD Data External dimensions Schematic (Bottom view) 86 30 25.5 1.004 85 87 Including resistor type also available 4.0 11.0 .157 .433 15.0 .591 5.8 .228 2x6.3 0.08 2x.248 .003 26.5 1.043 4x1.7 dia. hole 4x.067 dia. hole 2x9.50.08 2x.374.003 8.4 .331 0.8 .031 86 1.2 .047 16.8 .661 30 87 85 8.4 .331 17.9 .705 2.6 .102 Dimension: Max. 1mm .039 inch: 1 to 3mm .039 to .118 inch: Min. 3mm .118 inch: ASCTB220E 201208-T 22.0 .866 Panasonic Corporation General tolerance 0.1 .004 0.2 .008 0.3 .012 Automation Controls Business Unit industrial.panasonic.com/ac/e/ CB 5. High contact capacity type (1 Form A) (PC board type) CAD Data External dimensions Schematic (Bottom view) 86 30 25.5 1.004 1.0 .039 1.0 .039 4.5 .177 5.3 .209 3x1.7 3x.067 87 85 4.5 .177 3x1.7 3x.067 5.3 .209 2x2.15 9.5 6.3 2x.085 .374 .248 26.5 1.043 Sealed by epoxy resin 2x0.8 2x.031 2x1.2 2x.047 1.0 .039 A* 9.5 .374 22.0 .866 Including resistor type also available PC board pattern (Bottom view) 1.4 .055 8.4 .331 86 85 86 3.9 .154 16.8 3.9 .661 .154 30 87 3x1.8 3x.071 30 7.8 .307 2.6 .102 * Intervals between terminals is measured at A surface level. Dimension: Max. 1mm .039 inch: 1 to 3mm .039 to .118 inch: Min. 3mm .118 inch: 87 8.4 7.8 .331 16.8 .307 .661 85 3x2.15 3x.085 8.4 .331 3.9 3.9 .154 .154 17.9 .705 3x2.15 3x.085 2.6 .102 8.4 .331 17.9 .705 3x1.8 3x.071 Tolerance: 0.1 .004 General tolerance 0.1 .004 0.2 .008 0.3 .012 NOTES 1. Soldering Max. 350C 662F (solder temperature), within 3 seconds (soldering time) The effect on the relay depends on the actual PC board used. Please verify the PC board to be used. 2. Usage, transport and storage conditions 1) Ambient temperature, humidity, and atmospheric pressure during usage, transport, and storage of the relay: (1) Temperature: -40 to +85C -40 to +185F (Standard type) -40 to +125C -40 to +257F (High heatresistant type) (2) Humidity: 2 to 85% RH (Avoid freezing and condensation.) (3) Atmospheric pressure: 86 to 106 kPa The humidity range varies with the temperature. Use within the range indicated in the graph below. (Temperature and humidity range for usage, transport, and storage) Humidity, %RH 85 Tolerance range (Avoid freezing when used at temperatures lower than 0C 32F) 5 2 -40 -40 (Avoid condensation when used at temperatures higher than 0C 32F) 0 +32 Temperature, C F 85 +185 110 125 +230 +257 For general cautions for use, please refer to the "CAUTIONS FOR USE OF AUTOMOTIVE RELAYS" Panasonic Corporation Automation Controls Business Unit industrial.panasonic.com/ac/e/ ASCTB220E 201208-T