CT
ULTRA SMALL
AUTOMOTIVE RELAY
17.4
.685
CT-RELAYS
FEATURES
14
.551
13.5
.531
Twin type (8 terminals)
7.2
.283
17.4
.685
• Ultra small size
Twin type: 17.4(L)×14.0(W)×13.5(H)mm
.685(L)×.551(W)×.531(H)inch
Slim 1c type: 17.4(L)×7.2(W)×13.5(H)mm
.685(L)×.283(W)×.531(H)inch
• Twin (1 Form C × 2)
Forward/reverse motor control is possible
with a single relay.
• Simple footprint enables ease of PC
board layout
10 terminals layout
13.5
.531
Contact
terminal
Coil
terminal
= 8 terminals
Slim 1c type
mm inch
SPECIFICATIONS
Contact
Characteristics
Arrangement
Contact material
Initial contact resistance, max.
(By voltage drop 6 V DC 1 A)
Initial contact voltage drop, max.
Nominal switching
capacity
Rating
Max. carrying current
Mechanical (at 120 cpm)
Resistive load
Expected life
(min. operation) Electrical
Motor load
1 Form C×2 (H bridge),
1 Form C
Silver alloy
Max. operating speed
(at nominal switching capacity)
Initial insulation resistance*4
Between open
Initial
contacts
breakdown
Between contacts
5
voltage*
and coil
Operate time*6
(at nominal voltage) (at 20°C 68° F)
Release time (without diode)*6
(at nominal voltage) (at 20°C 68° F)
Functional*7
Shock resistance
Destructive*8
100mΩ
0.2 V (at 10 A switching)
N.O.: 20 A 14 V DC
N.C.: 10 A 14 V DC
35 A for 2 minutes,
25 A for 1 hour
(14 V, at 20°C 68°F)
Min. 107
Min. 10 *
Min. 2×105*2
5 1
Coil
Nominal operating power
Remarks
800 mW
* Specifications will vary with foreigh standards certification ratings.
*1 At nominal switching capacity, operating frequency: 1s ON, 9s OFF
*2 N.O.: at 5 A (steady), 25 A (inrush)/N.C.: at 20 A (brake) 14 V DC, operating frequency: 0.5s ON, 9.5s OFF
*3 At 25A 14 V DC (Motor lock), operating frequency: 0.5s ON, 9.5s OFF
4
* Measurement at same location as "Initial breakdown voltage " section
*5 Detection current: 10mA
*6 Excluding contact bounce time
*7 Half-wave pulse of sine wave: 11ms; detection: 10µs
*8 Half-wave pulse of sine wave: 6ms
*9 Detection time: 10µs
Min. 100 MΩ (at 500 V DC)
500 Vrms for 1 min.
500 Vrms for 1 min.
Max. 10ms (Initial)
Max. 10ms (Initial)
Min. 100 m/s2 {10G}
Min. 1,000 m/s2 {100G}
10 to 100 Hz,
Min. 44.1m/s2 {4.5G}
10 to 500 Hz,
Min. 44.1m/s2 {4.5G}
–40°C to +85°C
–40°F to +185°F
Functional*9
Vibration
resistance
Min. 105*3
6 cpm
Destructive*10
Conditions for operaAmbient
tion, transport and stor- temp
age*11 (Not freezing and
condensing at low tem- Humidity
perature)
5 to 85% R.H.
Approx. 8.0g .28oz (Twin type)
Approx. 4.0g .14oz (Slim 1c type)
Unit weight
*10Time of vibration for each direction;
X
X, Y, direction: 2 hours
Z direction: 4 hours
Y
Z
*11 Refer to 5. Conditions for operation, transport and storage mentioned in
AMBIENT ENVIRONMENT (Page 61)
TYPICAL
APPLICATIONS
• Power windows
• Auto door lock
• Power sunroof
• Electrically powered mirrors
ORDERING INFORMATION
Ex.
A
Product name
CT
CT
1
12
Contact arrangement
1: 1 Form C
2: 1 Form C × 2 (8 terminals type)
5: 1 Form C × 2 (10 terminals type)
Coil voltage (V DC)
12: 12
Standard packing; 1 Form C: Carton(tube package) 30pcs. Case 1,500pcs.
1 Form C × 2: Carton(tube package) 30pcs. Case 900pcs.
364
CT
TYPES AND COIL DATA (at 20°C 68°F)
Contact
arrangement
Part No.
Nominal
voltage,
V DC
1c
ACT112
12
ACT212
12
ACT512
12
1c × 2
(8 terminals type)
1c × 2
(10 terminals type)
Pick-up
voltage,
V DC (max.)
Drop-out
voltage,
V DC (min.)
(Initial)
7.2
(Initial)
7.2
(Initial)
7.2
(Initial)
1.0
(Initial)
1.0
(Initial)
1.0
Coil
resistance,
Ω (±10%)
Nominal
operating
current,
mA (±10%)
Nominal
operating
power,
mW
Usable
voltage range,
V DC
180
53.3
800
10 to 16
180
53.3
800
10 to 16
180
53.3
800
10 to 16
DIMENSIONS
mm inch
1. Twin type (8 terminals)
17.4
.685
PC board pattern (Bottom view)
14
.551
9.5
.374
6
.236
13.5
.531
0.4
.016
3
6.8 .118
.268 3.15
.124
Max. 1.0
.039
3.5
.138
4.3
.169
2.5
.098
4.3
.169
*A
0.4
.016
1
.039
1
.039
Sealed by epoxy resin
1.25
.049
0.8
.031
0.4 0.4
.016 .016
Pre-soldering
0.3
.012
9.5
.374
6
.236
1
.039
4.3
.169
JAPAN
15
.591
1.45
.057
4-1.1 0 dia
4-.043 +0.04
dia
0
+0.1
4-1.4 0 dia
4-.055 +0.04
dia
0
Tolerance: ±0.1±.004
4.3
.169
2.5
.098
3
6.8 .118
.268 3.15
.124
+0.1
15
.591
Schematic (Bottom view)
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
COIL
COM
NC
NO
COIL
COM
* Dimensions (thickness and width) of terminal specified in this catalog is measured before pre-soldering.
Intervals between terminals is measured at A surface level.
2. Twin type (10 terminals)
17.4
.685
PC board pattern (Bottom view)
14
.551
9.5
.374
6
.236
13.5
.531
0.4
.016
3.5
.138
0.4
.016
1.25
.049
4.3
.169
2.5
.098
4.3
.169
3.15
.124
Max. 1.0
.039
0.65
6.8 .026
.268 3.15
.124
*A
1
.039
1
.039
+0.1
0.8
.031
0.3
.012
0.4 0.4
.016 .016
0.65
.026
6-1.4 dia
6-.055
dia
Pre-soldering
9.5
.374
6
.236
4-1.1 0 dia
4-.043 +0.04
dia
0
15
.591
+0.1
0
+0.04
0
Tolerance: ±0.1±.004
Sealed by epoxy resin
Schematic (Bottom view)
3.15
.124
0.65
6.8
.026
.268 3.15
.124
1.45
.057
0.65 1
.026 .039
JAPAN
JAPAN
15
.591
4.3
.169
2.5
.098
4.3
.169
NO
COIL
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
NC
COM
NO
COIL
COM
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.
365
CT
3. Slim 1c type
mm inch
7.2
.283
17.4
.685
PC board pattern (Bottom view)
3-1.4 dia.
3-.055 dia.
13.5
.531
0.4
.016
Max. 1.0
.039
3.5
.138
+0.1
1.45 0.65
.057 .006
0.8
.031
0.3
.012
4.3
.169
3.15
.124
*A
0.4
1
1
.016
.039
Sealed by epoxy resin .039
9.5
1.25
6
.374
.049
.236
1
.039
3.15
JAPAN
.124
9.5
.374
6
.236
0.65
.026
0.4
.016
2-1.1 0 dia.
2-.043 +0.04
dia.
0
15
.591
0.4
.016
Tolerance: ±0.1±.004
Pre-soldering
Schematic (Bottom view)
4.3
.169
Dimension:
Max. 1mm .039 inch:
1 to 3mm .039 to .118 inch:
Min. 3mm .118 inch:
15
.591
Tolerance
±0.1 ± .004
±0.2 ± .008
±0.3 ± .012
NO
COM
COIL
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 windows
NO
COM
12 V DC
Tr 1
NC
M
NO
COM
Tr 2
NC
M Power window motor
REFERENCE DATA
1-(1). Coil temperature rise (at 20°C 68°F)
1-(2). Coil temperature rise (at 85°C 185°F)
Sample: ACT212, 3pcs
Contact carrying current: 0A, 10A, 20A
Sample: ACT212, 3pcs
Contact carrying current: 0A, 10A, 20A
140
140
20A
120
10A
100
0A
80
60
Temperature rise, °C
Temperature rise, °C
120
20A
100
0A
60
40
40
20
20
0
10A
80
0
12
14
16
12
Coil applied voltage, V
14
16
Coil applied voltage, V
Tested sample: ACT212, 3pcs.
Load: 25A, 14V DC
Operating frequency: ON 0.5s, OFF 9.5s
Circuit
Tested sample
M
10
8
Pick-up voltage
Max.
X
Min.
6
4
Drop-out voltage
Max.
X
Min.
2
0
0
10
No. of operations, × 104
20
Pick-up and drop-out voltage, V
2-(2). Electrical life test (Motor lock)
Tested sample: ACT212, 3pcs.
Load: 5A steady, Inrush 25A, 14V DC
Operating frequency: ON 0.5s, OFF 9.5s
Pick-up and drop-out voltage, V
2-(1). Electrical life test (Motor load)
10
8
Pick-up voltage
6
Max.
X
Min.
4
Drop-out voltage
Max.
X
Min.
2
0
0
10
No. of operations, × 104
For Cautions for use, see Relay Technical Information (Page 48 to 76).
366
9/1/2000
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