Transcript
CR
Discontinued as of November 30, 2010
TWIN POWER SILENT AUTOMOTIVE RELAY
CR RELAYS
FEATURES 24.6 .969
• Silent Noise has been reduced by approximately 20 dB, using our own silencing design. • Twin (1 Form C × 2) Forward/reverse motor control is possible with a single relay.
17.0 .669 18.5 .728
• Sealed construction • Simple footprint enable ease of PC board layout Common
Coil
Coil
mm inch
Normally Open
Product is discontinued.
Normally Closed
SPECIFICATIONS Contact 1 Form C × 2
Arrangement Contact material
Ag alloy (Cadmium free)
Initial contact resistance (Initial) (By voltage drop 6 V DC 1A)
Typ. 6 mΩ (N.O.) Typ. 9 mΩ (N.C.)
Contact voltage drop
Rating
Max. 0.2V (at 10 A)
Nominal switching capacity
N.O.: 20 A 14 V DC N.C.: 10 A 14 V DC
Max. carrying current
35 A for 2 minutes, 25 A for 1 hour (12 V, at 20°C68°F) 30 A for 2 minutes, 20 A for 1 hour (12 V, at 85°C185°F)
Min. switching capacity#1
Electrical
Characteristics Max. operating speed (at nominal switching capacity)
6 cpm Min. 100 MΩ (at 500 V DC)
Initial insulation resistance*4 Initial breakdown voltage*5
Between open contacts
500 Vrms for 1 min.
Between contacts and coil
500 Vrms for 1 min.
Operate time* (at nominal voltage)(at 20°C68°F)
Max. 10 ms (initial)
Release time*6 (at nominal voltage)(at 20°C68°F)
Max. 10 ms (initial)
6
1 A 12 V DC Shock resistance
Mechanical (at 120 cpm) Expected life (min. operations)
#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.
Functional*7
Min. 100 m/s2 {10G}
Destructive*8
Min. 1,000 m/s2 {100G}
Functional*9
10 Hz to 100 Hz, Min. 44.1 m/s2 {4.5G}
Destructive*10
10 Hz to 500 Hz, Min. 44.1 m/s2 {4.5G}
Min. 107
Resistive load
Min. 105*1
Vibration resistance
Min. 2×105*2
Motor load
Min. 105*3
Coil Nominal operating power Conditions for operation, transport and storage*11 (Not freezing and condensing at low temperature)
640 mW
Ambient temperature
Humidity
Mass
–40°C to +85°C –40°F to +185°F
5% R.H. to 85% R.H. Approx. 12.5g.44 oz
Remarks
TYPICAL APPLICATIONS • Power windows • Auto door lock • Electrically powered sunroof • Electrically powered mirror, etc.
ORDERING INFORMATION Ex. CR
2
−
12 V
Contact arrangement
Coil voltage(DC)
1 Form C × 2
12 V
Standard packing: Carton(tube package) 32pcs. Case: 800pcs.
1
ds_61209_en_cr: 300108J
CR
Discontinued as of November 30, 2010
TYPES AND COIL DATA (at 20°C 68°F) Part No.
Nominal voltage, V DC
Pick-up voltage, V DC (Initial)*
Drop-out voltage, V DC (Initial)
Coil resistance, Ω
Nominal operating current, mA
Nominal operating power, mW
Usable voltage range, V DC
CR2-12V
12
Max. 7.2
Min. 1.0
225±10%
53.3±10%
640
10 to 16
* Other pick-up voltage types are also available. Please contact us for details.
DIMENSIONS
mm inch 17.0 .669
24.6 .969
PC board pattern (Bottom view) 7-1.5 +0.1 0 dia 7-.059 +.004 0 dia
4.5 .177
18.5 .728 Max. 1.0 .039
0.6 .024 3.5 .138
7-0.25 .010 4.5 177
A* Pre-soldering
4.5 .177
4.5 .177
3.5 .138
8.0 .315
4.5 .177
7-1.2 .047
22.4 .882
Tolerance: ±0.1 ±.004
Schematic (Bottom view) 3.5 .138
8.0 .315
4.5 .177
22.4 .882
COM1
Dimension: Max. 1mm .039 inch: 1 to 3mm .039 to .118 inch: Min. 3mm .118 inch:
Tolerance ±0.1 ±.004 ±0.2 ±.008 ±0.3 ±.012
COM2
COIL NO
NC
* Dimensions (thickness and width) of terminal specified in this catalog is measured before pre-soldering. Intervals between terminals is measured at A surface level.
EXAMPLE OF CIRCUIT Forward/reverse control circuits of DC motor for power window
M COM
COM
Tr1
Tr2
NC
NO
12 VDC
ds_61209_en_cr: 300108J
M Power window motor
Tr1
Tr2
OFF
OFF
Motor Stop
ON
OFF
Forward
OFF
ON
Reverse
2
CR
Discontinued as of November 30, 2010
REFERENCE DATA 1-(1). Coil temperature rise (at room temperature)
1-(2). Coil temperature rise (at 85°C 185°F) Sample: CR2-12V, 5pcs Contact carrying current: 10A, 15A Ambient temperature: 85°C 185°F
Sample: CR2-12V, 5pcs Contact carrying current: 10A, 15A, 20A Ambient temperature: Room temperature
120
15A 10A
80
40
160
120 15A 80
10A
3. Ambient temperature and operating temperature range
12
20
0
10
20 30 40 Switching current, A
50
5. Distribution of pick-up and drop-out voltage Sample: CR2-12V, 100pcs
Ratio against the rated voltage, %V
35 30 25 20 15 10
80
70 Pick-up voltage upper limit
70
Pick-up voltage (Cold start) 0 20 40 60 8085 100 120 Ambient temperature, °C
60 50 40 30
0
80 20 40 60 Ambient temperature, °C
7. Distribution of release time Sample: CR2-12V, 100pcs * With diode
100
100
90
90
80
80
70
70
Quantity, n
30
10
0 −40 −20
100
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 7.5 Voltage, V
60 50
40
40
30
30
20
20
10
10
0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 6.5
40
Pick-up voltage lower limit
Sample: CR2-12V, 100pcs
50
50
20
20
6. Distribution of operate time
60
Pick-up voltage Drop-out voltage
60
10
0 −40 −20
30
14 16 Coil applied voltage, V
4. Ambient temperature characteristics
40
5
40
0
0
14 16 Coil applied voltage, V
Frequency, n
12
50
10
40
0
Coil applied voltage, VDC
Switching voltage, VDC
20A
Temperature rise, °C
Temperature rise, °C
160
(N.O. side Room temperature)
60
200
200
Quantity, n
2. Max. switching capability (Resistive load, initial)
0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 6.5
Time, ms
Time, ms
8-(2). Operation noise distribution
Measuring conditions
When operated
When released
Sample: CR2-12 V, 50 pcs. Equipment setting: “A” weighted, Fast, Max. hold Coil voltage: 12V DC Coil connection device: Diode Background noise: Approx. 20dB
50
50
40
40 Frequency
Frequency
8-(1). Operation noise distribution
30
20
20
10
10
0 40
42
44
46
48
50
52
Noise level, dB
3
54
56
Microphone
30
0 36
Relay
50mm 1.969inch Sponge
38
40
42
44
46
48
50
52
Noise level, dB
ds_61209_en_cr: 300108J
CR
Discontinued as of November 30, 2010 Change of pick-up and drop-out voltage
Circuit
14VDC
M
Change of contact resistance 50
10
Pick-up and drop-out voltage, V
Sample: CR2-12V, 3pcs Load: Inrush current: 25A, Steady current: 6A, Brake current: 15A, power window motor actual load (free condition) Tested voltage: 14V DC Ambient temperature: Room temperature
N.C. side N.O. side
9 8 Pick-up voltage
7
Max. X Min.
6 5 4
Drop-out voltage
Max. X Min.
3 2
Contact resistance, mΩ
9-(1). Electrical life test (Motor free)
40
30
20 Max. X(N.C.) Max. X(N.O.) Min. Min.
10
1 0
0
10
0
20
No. of operations, × 10
0
10 No. of operations, × 104
4
Load current waveform Inrush current: 25A, Steady current: 6A, Brake current: 15A Tested voltage: 14V DC 10A 100ms
Change of pick-up and drop-out voltage
Circuit
14VDC
M
Change of contact resistance
10 Pick-up and drop-out voltage, V
Sample: CR2-12V, 3pcs Brake current: 22A, power window motor actual load (lock condition) Tested voltage: 14V DC Switching frequency: (ON:OFF = 0.5s:9.5s) Ambient temperature: Room temperature
50
N.C. side N.O. side
9 8 Pick-up voltage
7 6 5
Drop-out voltage
4
Max. X Min. Max. X Min.
3 2
Contact resistance, mΩ
9-(2). Electrical life test (Motor lock)
40
30
20
10
1 Motor
0
0
5
10
No. of operations, × 104
0
0
5
Max. X Max. Min. X Min. 10
No. of operations, × 104
Load current waveform Brake current: 22A Tested voltage: 14V DC 5A 100ms
For Cautions for Use, see Relay Technical Information. ds_61209_en_cr: 300108J
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