303 - 1A H - C - 1 2 3 4 5 6
303
SONG CHUAN
Features ϭʳUltra Micro 280 automotive relay. ϭʳSPNO contact configuration. ϭʳSwitch up to 20A resistive load, 100,000 ops., 23ʨ. ϭʳOperating ambient temperature -40ʨ to 125ʨ. ϭʳOptional resistor or diode for coil transient suppression. ϭʳComplies with RoHS-Directive 2011/65/EU and ELVDirective 2000/53/EC.
Type List Terminal style
Contact
Designation
form
(provided with)
Flux tight
Sealed type washable
----------
303-1AH-C
303-1AH-S
Resistor
303-1AH-C-R1
303-1AH-S-R1
Diode
303-1AH-C-D1
303-1AH-S-D1
1A (SPNO)
Socket terminal
Enclosure style
Ordering Information
303 1 1. 303
-
1A 2
H 3
-
C 4
-
6
5
5. Blank -- Standard type
-- Basic series designation
R1 2. 1A
12V 1.1KΩ, 24V 4.3KΩ
-- Single pole normally open D1
3. H
-- Contact material AgSnO
4. C
-- Flux tight
S
-- Coil parallel with 1/2W resistor for -- Coil parallel with diode 1N4007 the diode anode on # 85 terminal
6.
-- Sealed type washable
-- Coil voltage (please refer to the coil rating data for the availability)
Contact Rating Resistive load
20A 14VDC, 10A 28VDC ; ON 2s / OFF 2s ; 100K ops.
Motor load
16A 14VDC, Inrush 80A ; ON 2s / OFF 5s ; -30Д+80ʨ!; 300K ops.!
Lamp load
16A 14VDC, Inrush 80A ; ON 3s / OFF 3s ; -30Д+100ʨ!; 100K ops.!
Coil Rating (DC) Rated
Rated current
Coil resistance
Voltage ±10 % at 23° C ±10 % at 23° C
Max continuous voltage
Pick up
Drop out
voltage(Max.) voltage(Min.)
(V)
(mA)
(Ω)
at 85°C
at 23°C
at 23°C
12
80
150
133 % of
60 % of
8 % of
24
40
600
rated
rated
rated
voltage
voltage
voltage
Power consumption at rated voltage approx. 0.96W
229
303
SONG CHUAN
Specification Contact material
AgSnO alloy
Contact voltage drop Operate time
(1)
Release time
(1)
(1)
Typ. 50mV at 10A 10 ms Max. 10 ms Max.
Insulation resistance
(1)
20 MΩ Min. (DC 500V) Between open contact
Dielectric strength (1)
: AC 500V, 50/60Hz 1 min.
Between contact and coil
Vibration resistance Shock resistance Life expectancy
: AC 500V, 50/60Hz 1 min.
Operating extremes
10Д500Hz , 5.0G
Damage limits
10Д500Hz , 5.0G
Operating extremes
10G
Damage limits
100G
Mechanical
10,000,000 operations (frequency 18,000 operations/hr)
-40 ~ +125°C (no freezing)
Operating ambient temperature Weight
Approx. 20 g
Note : (1) Initial value. Operate and release time excluding contact bounce.
Outline Dimensions 15
16
(0.591)
11
(0.433)
23.7
(0.933)
(0.630)
2.8X4
0.8X4
(0.110)
(0.031)
8.1
(0.319)
86
30
7.8
85
(0.307)
87
TOLERANCE: LESS THAN: 1(0.039) ±0.1(0.004) 5(0.197) ±0.3(0.012) 20(0.787) ±0.5(0.020) MORE THAN: 20(0.787) ±1(0.039)
Wiring Diagram BOTTOM VIEW
D1
230
R1
87
85
87
85
86
30
(+) 86
30
(-)
87
85
86
30
303
SONG CHUAN
Engineering Data
75
Safe breaking,arc extinguished (normally open contact)for risistive loads
Life expectancy 10
7
10
6
10
5
60
Number of operations
50 40 30 0W 28
20 15 10
0W 10
W 50
Switching voltage(VDC)
70
0.5
1
2
3
5
7
10
20
Switching current(A)
0
1
5
10
15
20
25
14VDC resistive load/switching current(A)
Life expectancy
10
10
7
Max.allowable ambient temperature
Number of operations
10
6
5
120
Ambient temperature vs. coil voltage for continuous duty
110 100
A
90 80 70 60 50 40 30 90
0
0
4
2
6
10
8
12
28VDC resistive load/switching current(A)
100
110
120
130
140
150
160
Applied coil voltage(% of rated nominal) A:20A Contact load(risistive) Maximum mean coil temperature=180ʨ
Operate time/Release time 8 7
Operate time
Time (ms)
6 max
5
avg
4 min
3 2
Release time max avg
1 0
70
min 80
90
100
110
120
130
140
150
% of Nominal coil voltage (at 23ʨ)
————
All specifications subject to change.
Please contact Song Chuan for update. ————
231
SONG CHUAN
Features ϭʳUltra Micro 280 automotive relay. ϭʳSPNO contact configuration. ϭʳSwitch up to 20A resistive load, 100,000 ops., 23ʨ. ϭʳOperating ambient temperature -40ʨ to 125ʨ. ϭʳOptional resistor or diode for coil transient suppression. ϭʳComplies with RoHS-Directive 2011/65/EU and ELVDirective 2000/53/EC.
Type List Terminal style
Contact
Designation
form
(provided with)
Flux tight
Sealed type washable
----------
303-1AH-C
303-1AH-S
Resistor
303-1AH-C-R1
303-1AH-S-R1
Diode
303-1AH-C-D1
303-1AH-S-D1
1A (SPNO)
Socket terminal
Enclosure style
Ordering Information
303 1 1. 303
-
1A 2
H 3
-
C 4
-
6
5
5. Blank -- Standard type
-- Basic series designation
R1 2. 1A
12V 1.1KΩ, 24V 4.3KΩ
-- Single pole normally open D1
3. H
-- Contact material AgSnO
4. C
-- Flux tight
S
-- Coil parallel with 1/2W resistor for -- Coil parallel with diode 1N4007 the diode anode on # 85 terminal
6.
-- Sealed type washable
-- Coil voltage (please refer to the coil rating data for the availability)
Contact Rating Resistive load
20A 14VDC, 10A 28VDC ; ON 2s / OFF 2s ; 100K ops.
Motor load
16A 14VDC, Inrush 80A ; ON 2s / OFF 5s ; -30Д+80ʨ!; 300K ops.!
Lamp load
16A 14VDC, Inrush 80A ; ON 3s / OFF 3s ; -30Д+100ʨ!; 100K ops.!
Coil Rating (DC) Rated
Rated current
Coil resistance
Voltage ±10 % at 23° C ±10 % at 23° C
Max continuous voltage
Pick up
Drop out
voltage(Max.) voltage(Min.)
(V)
(mA)
(Ω)
at 85°C
at 23°C
at 23°C
12
80
150
133 % of
60 % of
8 % of
24
40
600
rated
rated
rated
voltage
voltage
voltage
Power consumption at rated voltage approx. 0.96W
229
303
SONG CHUAN
Specification Contact material
AgSnO alloy
Contact voltage drop Operate time
(1)
Release time
(1)
(1)
Typ. 50mV at 10A 10 ms Max. 10 ms Max.
Insulation resistance
(1)
20 MΩ Min. (DC 500V) Between open contact
Dielectric strength (1)
: AC 500V, 50/60Hz 1 min.
Between contact and coil
Vibration resistance Shock resistance Life expectancy
: AC 500V, 50/60Hz 1 min.
Operating extremes
10Д500Hz , 5.0G
Damage limits
10Д500Hz , 5.0G
Operating extremes
10G
Damage limits
100G
Mechanical
10,000,000 operations (frequency 18,000 operations/hr)
-40 ~ +125°C (no freezing)
Operating ambient temperature Weight
Approx. 20 g
Note : (1) Initial value. Operate and release time excluding contact bounce.
Outline Dimensions 15
16
(0.591)
11
(0.433)
23.7
(0.933)
(0.630)
2.8X4
0.8X4
(0.110)
(0.031)
8.1
(0.319)
86
30
7.8
85
(0.307)
87
TOLERANCE: LESS THAN: 1(0.039) ±0.1(0.004) 5(0.197) ±0.3(0.012) 20(0.787) ±0.5(0.020) MORE THAN: 20(0.787) ±1(0.039)
Wiring Diagram BOTTOM VIEW
D1
230
R1
87
85
87
85
86
30
(+) 86
30
(-)
87
85
86
30
303
SONG CHUAN
Engineering Data
75
Safe breaking,arc extinguished (normally open contact)for risistive loads
Life expectancy 10
7
10
6
10
5
60
Number of operations
50 40 30 0W 28
20 15 10
0W 10
W 50
Switching voltage(VDC)
70
0.5
1
2
3
5
7
10
20
Switching current(A)
0
1
5
10
15
20
25
14VDC resistive load/switching current(A)
Life expectancy
10
10
7
Max.allowable ambient temperature
Number of operations
10
6
5
120
Ambient temperature vs. coil voltage for continuous duty
110 100
A
90 80 70 60 50 40 30 90
0
0
4
2
6
10
8
12
28VDC resistive load/switching current(A)
100
110
120
130
140
150
160
Applied coil voltage(% of rated nominal) A:20A Contact load(risistive) Maximum mean coil temperature=180ʨ
Operate time/Release time 8 7
Operate time
Time (ms)
6 max
5
avg
4 min
3 2
Release time max avg
1 0
70
min 80
90
100
110
120
130
140
150
% of Nominal coil voltage (at 23ʨ)
————
All specifications subject to change.
Please contact Song Chuan for update. ————
231
