SONG CHUAN
274
Contact Rating
Ordering Information
Type List
Features
ϭSmallest and slim type PCB Automotive relay.
ϭHigh rating 20A with maximum switching current up
to 30A.
ϭHigh Temperature withstand up to 125ʨ.
ϭSingle or twin relays are both available.
ϭComply with RoHS-Directive 2002/95/EC, and ELV-
Directive 2000/53/EC.
1. 103 -- Basic series designation
2. Blank -- Single relay
T -- Twin relay
3. 1A -- Single pole normally open
1C -- Single pole double throw
4. H -- Contact material AgSnO
5. C -- Flux tight
V -- Sealed type
S -- Sealed type washable
103 T - 1A H - C
1 2 3 4 5
Designation (provided with)ʳ
Terminal ʳ
styleʳ
Contactʳ
formʳFlux tightʳSealed type ʳSealed type
washable ʳ
103-1AH-C 103-1AH-V 103-1AH-S
1A (SPNO) ʳ
103T-1AH-C 103T-1AH-V 103T-1AH-S
103-1CH-C 103-1CH-V 103-1CH-S
PCB terminal
1C (SPDT) ʳ
103T-1CH-C 103T-1CH-V 103T-1CH-S
Resistive loadʳNO/NC 20A/10A 14VDC
Inrush 30A Steady state 10A 14VDC,750K ops.
Motor loadʳ
Motor Lock : 20A 14VDC 200K ops.
Rated
voltage
(V)
Rated current
p10 % at 23°C
(mA)
Coil resistance
p10 % at 23°C
(7)
Max. continuous
voltage
at 85°C
Pick up
voltage(Max)
at 23°C
Drop out
voltage(Min)
at 23°C
Power consumption
at rated
voltage
6 107 56
9 70.8 127
12 53.3 225
approx. 0.64W
24 26.7 900
125 % of
rated
voltage
60 % of
rated
voltage
5 % of
rated
voltage
Coil Rating (DC)
103
SONG CHUAN
275
103
Specification
Note Κ(1) initial
value
Contact material AgSnO alloy
Contact voltage drop
(1)
Typ. 50mV at 10A
Operate time
(1)
10 ms Max.
Release time
(1)
5 ms Max.
Insulation resistance
(1)
100 M 7 Min. (DC 500V)
Between open contact : AC 500V , 50/60Hz 1 min.
Dielectric strength
(1)
Between contact and coil : AC 500V , 50/60Hz 1 min.
Operating extremes 10Д50Hz , amplitude 1.0 mm
Vibration resistance
Damage limits 10Д50Hz , amplitude 1.0 mm
Operating extremes 10G
Shock resistance
Damage limits 100G
10,000,000 operations
Mechanical
(frequency 18,000 operations/hr)
Electrical 100,000 operations
Life expectancy
(frequency 360 operations/hr)
Operating ambient temperature -40Д+125°C (no freezing)
Weight Approx. 4 g
Outline Dimensions
ȟ103 ȟ103T
14.4
(0.567)
7.6
(0.299)
(0.539)
13.7
(0.047)
1.2-3
(0.138)
3.5
(0.024)
0.6-2
(0.012)
0.3
(0.012)
0.3-5 0.3-10
(0.012)
(0.622)
15.8
(0.567)
14.4
0.6-4
(0.024)
(0.047)
0.3
(0.012)
(0.539)
13.7
(0.138)
3.5
1.2-6
Wiring Diagram
BOTTOM VIEW ȟ103Tȟ103
SONG CHUAN
276
PC Board Layout
BOTTOM VIEW
Engineering Data
ȟ103 ȟ103T
(0.031)
(0.150)
3.8
(0.039)
1-2
0.8
(0.189)
4.8
(0.331)
1.6-3
(0.063)
4
(0.157)
8.4
(0.323)
0.8
(0.031)
(0.150)
3.8 8.2
4.8
1-4
(0.039)
(0.133)
(0.189)
3.4
8.4
(0.331)
1.6-6
(0.063)
4.8
(0.157)
4
(0.189)
Life expectancy
14VDC resistive load/switching current(A)
Number of operations
1
10
0
7
5
6
10
10
5101520
1A
1B
25
(normally open contact)for risistive loads
Safe breaking,arc extinguished
10
123
20
30
40
50
70
60
75
57
10 20
15
50W
100W
280W
0.5
Switching current(A)
Switching voltage(VDC)
A:20A B:15A C:10A Contact load(risistive)
Ambient temperature vs.
Applied coil voltage(% of rated nominal)
Max.allowable ambient temperature
Maximum mean coil temperature=180ʨ
coil voltage for continuous duty
10090
70
110
120
80
90
110
100
140
130
150
120
A
150 160
60
130 140
B
C
3
5
avg
min
max
2
6
14013012011090 10070
4
80 150
1
0
min
avg
max
Operate time
Release time
Operate time/Release time
Time (ms)
% of Nominal coil voltage (at 23ʨ)
Max. DC load breaking capacity
DC current(A)
20
0.1 0.2
DC voltage(V)
50
0.5 1 5
Resistive load
0
30
40
100
10
14
120
2015
———— All specifications subject to change. Please contact Song Chuan for update. ————
103
