851
SONG CHUAN
Features
□
10.5mm slim type miniature PCB Relay.
□
UL/CUL, TUV approved.
□
High ratings 7A 250VAC and high insulation 2500V
between coils to contacts.
□
Special design for household appliances applications.
□
Flux free and sealed types are both available.
□
Comply with RoHS-Directive 2002/95/EC.
□
Relay with AgCdO contact material do not comply
◆
Standard Type
Terminal
style
Contact
form
1A
PCB terminal
(SPNO)
1C
(SPDT)
High insulation
type
------
B
------
B
Flux tight
851-1A-C
851B-1A-C
851-1C-C
851B-1C-C
Designation
Sealed type
851-1A-V
851B-1A-V
851-1C-V
851B-1C-V
Sealed type
washable
851-1A-S
851B-1A-S
851-1C-S
851B-1C-S
Type List
with the Directives.
◆
High Power Type
1A
PCB terminal
(SPNO)
1C
(SPDT)
------
B
------
B
851H-1A-C
851HB-1A-C
851H-1C-C
851HB-1C-C
851H-1A-V
851HB-1A-V
851H-1C-V
851HB-1C-V
851H-1A-S
851HB-1A-S
851H-1C-S
851HB-1C-S
◆
High Sensitivity Type
1A
PCB terminal
(SPNO)
1C
(SPDT)
------
B
------
B
851N-1A-C
851NB-1A-C
851N-1C-C
851NB-1C-C
851N-1A-V
851NB-1A-V
851N-1C-V
851NB-1C-V
851N-1A-S
851NB-1A-S
851N-1C-S
851NB-1C-S
Ordering Information
851 H N B
-
1
1. 851
1A
5
-
F
6
-
C
7
5. 1A
1B
1C
6. Blank
F
7. C
V
S
-- Single pole normally open
-- Single pole normally closed
-- Single pole double throw
-- Standard type
-- Class F
-- Flux tight
-- Sealed type
-- Sealed type washable
2
3
4
-- Basic series designation
2. Blank -- Standard type
H
-- High power type
3. Blank -- Standard type
N
-- High sensitivity type
4. Blank -- Standard type
B
-- High insulation type
SONG CHUAN
851
851H
7A 250VAC
Power consumption
at rated
voltage
Contact Rating
Load type
Resistive load
851
5A 250VAC
Coil Rating (DC)
◆
Standard Type
Rated
voltage
(V)
3
5
6
9
12
18
24
36
48
Rated current
10% at 23°C
(mA)
120
72.5
60
40
30
20
15
10
7.5
Coil resistance Max. continuous
10% at 23°C
( )
25
69
100
225
400
900
1600
3600
6400
160% of
rated
voltage
75% of
rated
voltage
5% of
rated
voltage
approx. 0.36W
voltage
at 85°C
Pick up
at 23°C
Drop out
at 23°C
voltage(Max) voltage(Min)
◆
High Sensitivity Type
Rated
voltage
(V)
3
5
6
9
12
18
24
36
Rated current
10% at 23°C
(mA)
83.3
50
41.3
27.7
20.9
13.8
10.4
6.9
Coil resistance Max. continuous
10% at 23°C
( )
36
100
145
325
575
1300
2310
5180
170% of
rated
voltage
75% of
rated
voltage
5% of
rated
voltage
approx. 0.25W
voltage
at 85°C
Pick up
at 23°C
Drop out
at 23°C
Power consumption
at rated
voltage
voltage(Max) voltage(Min)
851
Specification
Contact material
Contact resistance
Operate time
Release time
(1)
(1)
(1)
(1)
SONG CHUAN
AgCdO / AgSnO alloy
100m
Max.
10ms Max.
5ms Max.
1000 M
Min. (DC 500V)
:
AC750V,50/60Hz 1 min.
:
AC2500V,50/60Hz 1 min.
(for High insulation type)
Operating extremes
Damage limits
Operating extremes
Damage limits
Mechanical
10½55Hz, amplitude 1.5 mm
10½55Hz, amplitude 1.5 mm
10G
50G
10,000,000 operations
(frequency 18,000 operations/hr)
100,000 operations
(frequency 1,200 operations/hr)
-40½+85°C (no freezing)
Approx. 8g
Between open contact
Insulation resistance
Dielectric strength
(1)
Between contact and coil
:
AC2000V,50/60Hz 1 min.
Vibration resistance
Shock resistance
Life expectancy
Electrical
Operating ambient temperature
Weight
Note：(1) initial value
Safety Approval
Certified
File No.
UL / CUL
E88991
TUV
R 09854137
Safety Approval Rating
◆
UL / CUL
851
NO
7A 277VAC
7A 30VDC
1/10HP 125/250VAC
NC
5A 277VAC
5A 30VDC
1/10HP 125/250VAC
NO
10A 277VAC
7A 30VDC
1/4HP 125/250VAC
851H
NC
7A 277VAC
7A 30VDC
1/4HP 125/250VAC
◆
TUV
851
NO
7A 250VAC
5A 250VAC cos 0.4
7A 30VDC
NC
5A 250VAC
3A 250VAC cos 0.4
5A 30VDC
NO
10A 250VAC
7A 250VAC cos 0.4
7A 30VDC
851H
NC
7A 250VAC
5A 250VAC cos 0.4
7A 30VDC
SONG CHUAN
851
5.08
Outline Dimensions
0.3
(0.012)
(0.100)
(0.500)
2.54
(0.134)
3.4
(0.807)
20.5
(0.200)
(0.055)
1.4
12.7
(0.200)
5.08
(0.300)
7.62
(0.807)
(0.413)
20.5
BOTTOM VIEW
Wiring Diagram
1C
1A
1B
BOTTOM VIEW
PC Board Layout
(0.500)
10.5
12.7
(0.200)
5.08
(0.300)
7.62
(0.100)
2.54
φ
1.3-5
(0.051)
(0.200)
5.08
851
Engineering Data
Coil temperature rise
100
90
SONG CHUAN
Coil temperature rise
100
90
Temperature rise (℃)
70
60
50
40
30
20
10
60
80
100
Temperature rise (℃)
80
80
70
60
50
40
30
20
10
10A
5A
7A
10A
5A
7A
120
140
160
180
60
80
100
120
140
160
180
% of Nominal Coil Voltage (at 23℃)
% of Nominal Coil Voltage (at 85℃)
10
7
Life expectancy(851H)
10
7
Life expectancy(851)
Number of operations
10
6
250VAC
Number of operations
10
6
250VAC
1C
10
5
1A
10
5
1C
1A
10
4
0
1
2
4
6
8
10
10
4
0
1
2
4
6
8
10
AC resistive load/Switching current(A)
AC resistive load/Switching current(A)
Operate time/Release time
18
17
16
15
14
13
avg
12
11
10
9
8
7
6
5
4
3
2
1
0
70
Operate time
Time (ms)
max
min
Release time
min
80
90
100
max
avg
110 120 130 140 150 160 170 180
% of Nominal coil voltage (at 23℃)
————
All specifications subject to change.
Please contact Song Chuan for update.
————
嵌入式系统
京公网安备 11010802033920号
Copyright © 2005-2026 EEWORLD.com.cn, Inc. All rights reserved
电子工程世界
