SONG CHUAN
294
ϭHigh rating Micro ISO automotive relays up to
35A/14VDC.
ϭSPNO & SPDT of contact configuration.
ϭSkirted cover and plain cover are both available.
ϭOptional to be equipped with diode or resistor.
ϭComply with RoHS-Directive 2002/95/EC, and ELV-
Directive 2000/53/EC.
Contact Rating
Ordering Information
Type List
Coil Rating (DC)
Features
1. 871 -- Basic series designation
2. 1A -- Single pole normally open
1C -- Single pole double throw
3. D -- Dust cover
DF -- Dust cover / base holder type available
C -- Flux tight
S -- Sealed type washable
4. Blank -- Standard type
R1 -- Coil parallel with 1/2W resistor for
6V 1807,12V 6807, 24V 27007
871 - 1A - C - R1
1 2 3 4
1A 1C
Resistive load 35A 14VDC
15A 28VDC
NO: 35A 14VDC , 15A 28VDC
NC : 20A 14VDC , 10A 28VDC
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
6 187.5 32 133 % of 60 % of 10 % of
12 97.5 123 rated rated rated approx. 1.2W
24 49.6 483 voltage voltage voltage
Enclosure style
Terminal
style
Contact
form
Designation
(provided with) Dust cover Dust cover
/Fixed Base Flux tight Sealed type
washable
---------- 871-1A-D 871-1A-DF 871-1A-C 871-1A-S
Resistor 871-1A-D-R1 871-1A-DF-R1 871-1A-C-R1 871-1A-S-R1
1A
(SPNO)
Diode 871-1A-D-D1 871-1A-DF-D1 871-1A-C-D1 871-1A-S-D1
---------- 871-1C-D 871-1C-DF 871-1C-C 871-1C-S
Resistor 871-1C-D-R1 871-1C-DF-R1 871-1C-C-R1 871-1C-S-R1
Socket terminal
1C
(SPDT)
Diode 871-1C-D-D1 871-1C-DF-D1 871-1C-C-D1 871-1C-S-D1
D1 -- Coil parallel with diode IN4007 the
positive pole on # 85 terminal
871
SONG CHUAN
295
871
Specification
Note:(1)Initial value
Contact material AgSnO alloy
Contact voltage drop (1) Typ. 40mV at 10A
Operate time (1) 10ms Max.
Release time (1) 10ms Max.
Insulation resistance (1) 20M7 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 10Д500Hz , 5.0G
Vibration resistance
Damage limits 10Д500Hz , 5.0G
Operating extremes 10G
Shock resistance
Damage limits 100G
10,000,000 operations
Mechanical
(frequency 18,000 operations/hr)
100,000 operations
Life expectancy
Electrical
(frequency 1,800 operations/hr)
Temperature range Operating -40Д+125°C (no freezing)
Weight Approx. 20 g
Outline Dimensions
Ϭ871 (C,D)
(0.236)
6
(0.354)
9
(0.315)
8
(0.301)
7.65
(1.000)
25.4
(0.248)
6.3
(0.610)
15.5
(0.189)
4.8
(0.031)
0.8-5
(0.906)
23
(0.441)
11.2
SONG CHUAN
296
ȟ871 (DF)
ȟ871 (S,V)
(0.701)
17.8
(0.610)
15.5
(0.236)
6
(0.315)
8
(0.354)
9
(0.248)
6.3
(0.031)
0.8-5
(0.189)
4.8
(0.917)
23.3
(1.732)
44
(0.906)
23
(0.610)
15.5
(0.248)
6.3
(0.236)
6
(0.354)
9
(0.315)
8
(0.301)
7.65
(0.189)
4.8
(0.031)
0.8-5
(0.441)
11.2
(1.000)
25.4
(0.906)
23
RESISTOR
PROVIDED WITH PROVIDED WITH
RESISTOR
1C 1A 1C 1A
Wiring Diagram
BOTTOM VIEW
1C
DIODE
PROVIDED WITH PROVIDED WITH
1A
DIODE
(-)
(+)
(-)
(+)
871
SONG CHUAN
297
871
Engineering Data
A:15A B:20A C:25A D:35A Contact load(resistive)
Ambient temperature vs coil voltage for continuous duty
Applied coil voltage (% of rated nominal)
115
Max.allowable ambient temperature
10090
20
95 105 110
70
30
40
60
50
90
80
110
100
140
120
130
120 125 130
C
B
A
135
D
Maximum mean coil temperature=155ʨ
14VDC resistive load/Switching current(A)
Life expectancy
10
0
10
10
Number of operations
6
5
7
201510 25 30
NC
NO
355
Switching voltage(VDC)
Switching current(A)
Safe breaking,arc extinguished
(normally open contact)for resistive loads.
3
5
avg
min
max
2
6
14013012011090 10070
4
80 150
1
0
min
avg
max
Operate time
Release time
7
9
8
10
11
12
Operate time/Release time
Time (ms)
% of Nominal coil voltage (at 23ʨ)
28VDC resistive load/Switching current(A)
Life expectancy
Number of operations
2
10
0
7
5
6
10
10
46810
NO
12
014 16
NC
0.5
10
1
15
20
30
50
40
50W
23 5 10
100W
20
490W
200W
35
70
60
90
15
———— All specifications subject to change. Please contact Song Chuan for update. ————
