SONG CHUAN
Relays Selection Chart
Features
Low cost and low profile miniature PCB Relays.
UL/CUL, TUV approved.
High rating 12A SPDT, 8A DPDT.
3.5mm & 5mm pinning are both available.
Standard coil 700mW and high sensitivity coil 530mW.
SPNC, SPNO, SPDT, DPNO, DPNC, DPDT contact
configurations.
General purpose application including UPS, power
supply controls, Home Appliances of heating element
controls, motor control for access control, etc.
PC board type socket & hold down clips can be offered
with relay for automation control application.
Comply with RoHS-Directive 2002/95/EC.
845
Type List
Standard Type
Terminal
style
Contact
form
1A (SPNO)
1C (SPDT)
2A (DPNO)
2C (DPDT)
2A (DPNO)
2C (DPDT)
PCB terminal
1A (SPNO)
1C (SPDT)
2A (DPNO)
2C (DPDT)
2A (DPNO)
2C (DPDT)
H
H
-----
-----
H
H
F
F
F
F
F
F
845H-1A-F-C
845H-1C-F-C
845-2A-F-C
845-2C-F-C
845H-2A-F-C
845H-2C-F-C
845H-1A-F-V
845H-1C-F-V
845-2A-F-V
845-2C-F-V
845H-2A-F-V
845H-2C-F-V
845H-1A-F-S
845H-1C-F-S
845-2A-F-S
845-2C-F-S
845H-2A-F-S
845H-2C-F-S
High
capacity
H
H
-----
-----
H
H
UL Insulation
system approval
-----------
-----------
-----------
-----------
-----------
-----------
Flux tight
845H-1A-C
845H-1C-C
845-2A-C
845-2C-C
845H-2A-C
845H-2C-C
Designation
Sealed type
845H-1A-V
845H-1C-V
845-2A-V
845-2C-V
845H-2A-V
845H-2C-V
Sealed type
washable
845H-1A-S
845H-1C-S
845-2A-S
845-2C-S
845H-2A-S
845H-2C-S
High Sensitivity Type
1A (SPNO)
1C (SPDT)
2A (DPNO)
PCB terminal
2C (DPDT)
2A (DPNO)
2C (DPDT)
1A (SPNO)
1C (SPDT)
H
H
-----
-----
H
H
H
H
-----------
-----------
-----------
-----------
-----------
-----------
F
F
845HN-1A-C
845HN-1C-C
845N-2A-C
845N-2C-C
845HN-2A-C
845HN-2C-C
845HN-1A-V
845HN-1C-V
845N-2A-V
845N-2C-V
845HN-2A-V
845HN-2C-V
845HN-1A-S
845HN-1C-S
845N-2A-S
845N-2C-S
845HN-2A-S
845HN-2C-S
845HN-1A-F-S
845HN-1C-F-S
845HN-1A-F-C 845HN-1A-F-V
845HN-1C-F-C 845HN-1C-F-V
69
845
PCB terminal
SONG CHUAN
2A (DPNO)
2C (DPDT)
2A (DPNO)
2C (DPDT)
-----
-----
H
H
F
F
F
F
845N-2A-F-C
845N-2C-F-C
845N-2A-F-V
845N-2C-F-V
845N-2A-F-S
845N-2C-F-S
845HN-2A-F-S
845HN-2C-F-S
845HN-2A-F-C 845HN-2A-F-V
845HN-2C-F-C 845HN-2C-F-V
Ordering Information
845
1
1. 845
H
2
N
3
-
1A
4
-
F
5
-
C
6
2A
2B
2C
5. Blank
F
6. C
V
S
-- Double pole normally open
-- Double pole normally closed
-- Double pole double throw
-- Standard type
-- Class F
-- Flux tight
-- Sealed type
-- Sealed type washable
-- Basic series designation
2. Blank -- Standard type
H
-- High capacity type
3. Blank -- Standard type
N
-- High sensitivity type
4. 1A
1B
1C
-- Single pole normally open
-- Single pole normally closed
-- Single pole double throw
Contact Rating
Load type
Rated load (resistive)
Max. switching current
Max. switching voltage
Max. switching capacity
(845H) 1A , 1B , 1C
10A 240VAC
10A
277VAC
2400VA
(845) 2A , 2B , 2C
5A 240VAC
5A
277VAC
1200VA
(
) (845H) 2A , 2B , 2C
8A 240VAC
8A
277VAC
1920VA
Coil Rating (DC)
Standard Type
Rated
voltage
(V)
3
5
6
9
12
18
24
36
48
60
110
Rated current
10 % at 23°C
(mA)
234
139
118
78
58
39
29
19.5
15
11.7
6.4
Coil resistance Max. continuous
10 % at 23°C
( )
12.8
36
51
116
206
460
825
1850
3300
5100
17,230
160 % of
rated
voltage
75 % of
rated
voltage
10 % of
rated
voltage
approx. 0.7W
voltage
at 85°C
Pick up
voltage(Max)
at 23°C
Drop out
voltage(Min)
at 23°C
Power consumption
at rated
voltage
70
SONG CHUAN
845
Power consumption
at rated
voltage
High Sensitivity Type
Rated
voltage
(V)
3
5
6
9
12
18
24
36
48
60
Rated current
10 % at 23°C
(mA)
176
105
88
60
44
29.5
22
14.8
11
8.8
Coil resistance Max. continuous
10 % at 23°C
( )
17
47.7
68
150
275
610
1100
2440
4400
6800
170 % of
rated
voltage
80 % of
rated
voltage
10 % of
rated
voltage
approx. 0.53W
voltage
at 85°C
Pick up
voltage(Max)
at 23°C
Drop out
voltage(Min)
at 23°C
Specification
Contact material
Contact resistance
(1)
Operate time
Release time
(1)
(1)
Ag SnO alloy
100m
Max.
20ms Max.
10ms Max.
1000 M
Min. (DC 500V)
:
AC 1000V , 50/60Hz 1 min.
Insulation resistance
(1)
Between open contact
Dielectric strength
(1)
Between contact and coil
:
AC 5000V , 50/60Hz 1 min.
Between contact circuits
:
AC 3000V , 50/60Hz 1 min. (for 2pole only)
Operating extremes
10
10
10G
100G
10,000,000 operations
Mechanical
55Hz , amplitude 1.5 mm
55Hz , amplitude 1.5 mm
Vibration resistance
Damage limit
Operating extremes
Shock resistance
Damage limits
Life expectancy
Electrical
(frequency 18,000 operations/hr)
100,000 operations
( ) 50,000 operations
(frequency 1,200 operations/hr)
Operating ambient temperature
Weight
Note (1) initial value
-40°C +85°C (no freezing)
Approx. 14g
Safety Approval
Certified
File No.
UL / CUL
E88991
TUV
R09754104
71
845
845 2A , 2B , 2C
5A 277VAC
5A 30VDC
SONG CHUAN
Safety Approval Rating(UL/CUL)
845H 2A , 2B , 2C
8A 277VAC
8A 30VDC
1/4HP 125VAC/250VAC
TV-3 (NO contact only)
845H 1A , 1B , 1C
12A 277VAC
12A 30VDC
1/2HP 125VAC/250VAC
TV-5 (NO contact only)
1/8HP 125VAC/250VAC
TV-3 (NO contact only)
Safety Approval Rating(TUV)
845 2A , 2B , 2C
5A 250VAC
5A 30VDC
3A 250VAC cos 0.4
845H 2A , 2B , 2C
8A 250VAC
8A 30VDC
5A 250VAC cos 0.4
845H 1A , 1B , 1C
12A 250VAC
12A 30VDC
10A 250VAC cos 0.4
Outline Dimensions
845 1P
(0.012)
0.3
(0.728)
18.5
(0.138)
3.5
(0.138)
2.9
(0.114)
1
3.5
7.6
(0.299)
(0.039)
16.5
(0.650)
3.5
(0.138)
29
(1.142)
845 2P
(0.500)
(0.728)
12.7
(0.012)
0.3
18.5
(0.138)
1.4
(0.055)
1
3.5
7.6
(0.299)
(0.039)
15
(0.590)
5
(0.197)
5
(0.197)
29
(1.142)
72
(0.500)
12.7
SONG CHUAN
845
Wiring Diagram
BOTTOM VIEW
1C
1B
1A
2C
2B
2A
PC Board Layout
BOTTOM VIEW
1C
3.5
(0.138)
1A
2.9
(0.114)
2.9
(0.114)
1.3-5
(0.299)
(0.299)
(0.051)
1.3-4
(0.051)
7.6
16.5
(0.650)
3.5
(0.138)
7.6
20.0
(0.787)
3.5
(0.138)
1B
2C
5
6.4
(0.252)
(0.197)
1.4
(0.055)
(0.299)
1.3-4
(0.299)
(0.051)
1.3-8
7.6
(0.051)
7.6
15
16.5
(0.650)
5
(0.197)
3.5
(0.138)
(0.591)
2A
2B
1.4
(0.055)
6.4
(0.252)
1.3-6
(0.299)
1.3-6
(0.299)
7.6
7.6
(0.051)
(0.051)
20
(0.787)
5
(0.197)
15
(0.591)
5
(0.197)
73
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