SONG CHUAN
502
Features
Wide switching capacity of 10
Sensitivity coil 0.22W.
High dielectric strength coil-contacts: 1000VAC,
open contacts: 750VAC.
Conforms to FCC part 68 requirements.
Ag+Au clad bifurcated crossbar contacts and fully
sealed for high contact reliability.
Comply with RoHS-Directive 2002/95/EC.
A to 2A.
Type List
Terminal
style
Contact
form
Coil
sensitivity
Standard type
PCB terminal
2C (DPDT)
High sensitivity type
Ultra-sensitivity type
Enclosure style
Plastics sealed
502-2C-S
502N-2C-S
502N1-2C-S
Ordering Information
502
1
1. 502
-
2
2C
3
-
S
4
3. 2C
4. S
-- Double pole double throw
-- Plastics sealed
-- Basic series designation
2. Blank -- Standard type
N
-- High sensitivity type
N1
-- Ultra-sensitivity type
Contact Rating
Number of contacts and type
Contact assembly
Contact material
Max. continuous current
Maximum switching current
2 changeover contacts
Bifurcated crossbar
Ag + Au-clad
2A
2A / standard type
1A / high sensitivity & Ultra-sensitivity type
Maximum switching voltage
125VAC
125VDC
DC voltage
Maximum switching capacity
AC voltage
Min. permissible load
(1)
Contact resistance (initial value)
10μA at 10mVDC
100 m
60W / standard type
24W / high sensitivity & Ultra-sensitivity type
62.5VA
Note : (1) P level:
60
=
0.1x 10
-6
/ operation
234
SONG CHUAN
502
Coil Rating (DC)
Standard Type
Rated
voltage
(V)
3
5
6
9
12
24
48
Rated current
10 % at 23°C
(mA)
166.7
100
83.3
55.6
41.7
20.8
12
Coil resistance
10 % at 23°C
( )
18
50
72
162
288
1152
4000
110 % of
rated voltage
approx. 0.58W
120 % of
rated
voltage
75 % of
rated
voltage
5 % of
rated
voltage
approx. 0.5W
Max. continuous
voltage
at 23°C
Pick up
Drop out
Power consumption
at rated
voltage
voltage(Max) voltage(Min)
at 23°C
at 23°C
High Sensitivity Type
Rated
voltage
(V)
3
5
6
9
12
24
48
Rated current
10 % at 23°C
(mA)
120
72
60
40
30
15
7.5
Coil resistance
10 % at 23°C
( )
25
70
100
225
400
1600
6400
140 % of
rated
voltage
75 % of
rated
voltage
5 % of
rated
voltage
approx. 0.36W
Max. continuous
voltage
at 23°C
Pick up
Drop out
Power consumption
at rated
voltage
voltage(Max) voltage(Min)
at 23°C
at 23°C
Ultra-sensitivity Type
Rated
voltage
(V)
3
5
6
9
12
24
48
Rated current
10 % at 23°C
(mA)
50
30
25
16.7
12.5
8.3
6.25
Coil resistance
10 % at 23°C
( )
60
166.7
240
540
960
2880
7680
150 % of
rated voltage
180 % of
rated
voltage
75 % of
rated
voltage
5 % of
rated
voltage
approx. 0.2W
approx. 0.3W
approx. 0.15W
Max. continuous
voltage
at 23°C
Pick up
Drop out
Power consumption
at rated
voltage
voltage(Max) voltage(Min)
at 23°C
at 23°C
235
SONG CHUAN
502
Specification
Contact resistance
Operate time
(1)
Release time
(1)
Bounce time
Insulation resistance
(1)
Surge withstand voltage
(1)
50m
100m
Max. (for 502(N) type) (100mA/6VDC by 4 pipes m
Max. (for 502N1 type) (100mA/6VDC by 4 pipes m
meter)
meter)
7 ms max.
3 ms max.
operate
release
1000 M
approx. 0.5ms
approx. 3.5ms
Min. (DC 500V)
s (conforms to part 68 of FCC rules)
:
AC 1000V, 50/60Hz 1 min.
1500V 10 X 160
Between contact and coil
Between contacts of different poles
:
AC 1000V, 50/60Hz 1 min.
Dielectric strength
(1)
Between contact of same poles
:
AC 750V, 50/60Hz 1 min.
:
AC 500V, 50/60Hz 1 min.
(for 502N1 type)
Vibration resistance
Operating extremes
Damage limits
Shock resistance
Operating extremes
Damage limits
Mechanical
Life expectancy
Electrical
10 ~ 55Hz , amplitude 1.5 mm
10 ~ 55Hz , amplitude 1.5 mm
20G
100G
15,000,000 operations
(frequency 36,000 operations/hr)
AC 100,000 operations / DC 300,000 operations
(frequency 1,800 operations/hr)
Operating ambient temperature
Weight
-25 ~ +70°C (no freezing)
-25 ~ +65°C (no freezing) for standard coil
Approx. 6 g
Note
(1) initial value
Safety Approval
Certified
File No.
UL
CSA
218083
E74321
Safety Approval Rating
502 , 502N
0.6A 125VAC
0.6A 110VDC
2A 30VDC
502N1
0.5A 125VAC
0.2A 110VDC
1A 24VDC
236
SONG CHUAN
502
Outline Dimensions
20.5MAX
(0.807)
10.1MAX
(0.398)
11.5MAX
(0.138)
3.5
(0.453)
0.5
(0.020)
0.3
(0.012)
7.62
(0.300)
Wiring Diagram
BOTTOM VIEW
PC Board Layout
BOTTOM VIEW
(0.047)
1.2
7.62
(0.300)
1.3
(0.051)
(0.300)
7.62
1-8
(0.039)
5.08
(0.200)
5.08
(0.200)
Engineering Data
Maximum switching power
Standard type
5
5
Maximum switching power
High sensitivity type
100
Life expectancy
Standard type
Life expectancy (x10 operations)
Switching current (A)
2
2
50
Switching current (A)
AC resistive load
DC resistive load
AC resistive load
1
30
1
3
30VDC resistive load
0.5
0.5
10
DC resistive load
5
125VAC resistive load
1
0.1
0.1
0
10
30
50
100
300
500
0
10
30
50
70
125
300
500
0
1
2
3
Switching voltage (V)
Switching voltage (V)
Switching current (A)
237
SONG CHUAN
502
Life expectancy
High sensitivity type
100
160
Ambient temperature vs.maximum coil voltage
Ambient temperature vs. maximum coil voltage
Standard type
200
High sensitivity type
Life expectancy (x10 operations)
Maximum coil voltage (%)
24VDC resistive load
Maximum coil voltage (%)
50
30
140
180
3~24VDC
120
3~24VDC
160
3
10
140
100
48VDC
120
48VDC
80
5
100
125VAC resistive load
1
60
80
0
0.5
1
1.5
0
20
40
60
80
100
120
0
20
40
60
80
Switching current (A)
Ambient temperature (
)
Ambient temperature (
)
High-frequency characteristics
measurement conditions
HR 8502A
network
analyzer
HP 8501A
standard
storage
RF
R
A
HR 8502A
transmission
reflection
test set
terminator
B
50
Terminals which were not
being measured were
terminated with 50
Notes: The high-frequency characteristics data were measured using a dedicated
cir-cuit board and actual values will vary depending on the usage conditions.
Check the characteristics of the actual equipment used.
Isolation characteristics (average values)
Standard type
100
0.2
Insertion loss characteristics (average values)
Standard type
100
V.SWR,return loss characteristics (average values)
Standard type
1.5
80
80
1.4
a-b
0.15
Isolation (dB)
Return loss (dB)
b-c
60
Insertion loss (dB)
60
Return loss
c-a
c-b
V.SWR
1.3
V.SWR
0.10
40
40
1.2
0.05
20
20
1.1
c-b
c-a
0
0.5
1
3
5
10
30
50
100
300
0
0.5
1
3
5
10
30
50
100
0
0.5
1
3
5
10
30
50
100
1.0
300
Frequency (MHz)
Frequency (MHz)
Frequency (MHz)
Ambient temperature vs. must operate
or must release voltage
Standard type
100
100
Ambient temperature vs. must operate
or must release voltage
High sensitivity type
max
On the basis of rated voltage (%)
On the basis of rated voltage (%)
80
X
80
Operate voltage
60
max
min
X
Operate voltage
60
min
40
40
max
min
X
Release voltage
20
max
X
min
20
Release voltage
0
-60
0
-60
-40
-20
0
20
40
60
80
100
120
-40
-20
0
20
40
60
80
100
120
Ambient temperature (
)
Ambient temperature (
)
238
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