Features:
High Load Adaptation: 17 amp contact switching capacity, covering multiple load specifications (2 sets of 5A/8A, 1 set of 10A/12A/16A), suitable for different power circuit requirements;
DPDT Structure: Double-pole double-throw design allows for simultaneous/independent switching of two sets of circuits, expanding control functions and reducing the number of components.
High Voltage Withstand Insulation: 5000 volt withstand voltage between coil and contacts, excellent insulation performance, reducing the risk of circuit breakdown;
Wide Voltage Compatibility: 3VDC-48VDC coil voltage range, directly compatible with various control circuits without the need for additional voltage conversion components;
Compact Installation: Small size, 8-pin structure, suitable for high-density PCB layouts, saving internal equipment space;
Authoritative Certification: Certified by TUV and CQC, meeting international and domestic safety standards, suitable for multiple regional markets.
Stable Operation: Reliable switching control based on electromagnetic principles, stable contact resistance, fast response, suitable for continuous operation in low-power environments.
Convenient Assembly: Regular 8-pin structure facilitates automated soldering, improving production efficiency and reducing assembly errors. Applicable
Scenarios:
Industrial field: Signal switching and power control for industrial automation equipment, PLC control systems, and machine tool electrical systems;
Power supply protection: Switching circuits for UPS uninterruptible power supply systems, ensuring a continuous power supply;
Household appliances: Control circuits for large household appliances such as washing machines, refrigerators, and air conditioners, enabling load switching and mode selection;
Audio-visual and security: Signal switching for audio equipment, and circuit control for security alarm systems;
Other electronic devices: Control circuits for televisions (TVs), and power management modules for small electronic instruments.
Contact Data
|
Type
|
CYF2
|
|
Contact material
|
Silver alloy
|
|
Contact resistance
|
100mΩ Max.(at 1A 16VDC)
|
|
Rated load (Resistive load)
|
5A/8A 250VAC
|
|
Max. switching current
|
8A
|
|
Max. switching voltage
|
277VAC
|
|
Max. switching power
|
2216VA
|
|
Min. switching load
|
6V 1A
|
|
Characteristics
|
|
Operate time (at rated coil voltage)
|
15ms Max. (No diode)
|
|
Release time
|
5ms Max. (No diode)
|
|
Insulation resistance
|
Min 1000MΩ (at 500VDC)
|
|
Dielectric strength
|
Between open contacts:1000VAC, 50/60Hz for 1min
|
|
Between coil and contact: 5000VAC, 50/60Hz for 1min
|
|
Vibration resistance
|
Destructive
|
10-55Hz, at double amplitude of 1.5 mm
|
|
Functional
|
10-55Hz, at double amplitude of 1.5 mm
|
|
Shock resistance
|
Functional
|
10G Min
|
|
Destructive
|
10G Min
|
|
Endurance
|
Mechanical endurance (10800ops./h)
|
10000000 ops.(at room temperature)
|
|
Electrical endurance (360ops./h)
|
100000 ops.(at room temperature)
|
|
Ambient temperature
|
-40℃~+85℃(no condensation)
|
|
Weight
|
Approx. 14g
|
Coil Data (at 20℃)
|
Nominal
voltage
(VDC)
|
Nominal
operating
current
±10%(mA)
|
Coil resistance
±10%(Ω)
|
Nominal operating
power
|
Operate voltage
(Max.)
|
Release voltage
(Min.)
|
Max. allowable voltage
|
|
3
|
240
|
12.5
|
Approx 0.72W
|
75% of nominal
voltage
|
5% of nominal
voltage
|
130% of nominal voltage
|
|
5
|
144
|
35
|
|
6
|
120
|
50
|
|
9
|
80
|
113
|
|
12
|
60
|
200
|
|
18
|
40
|
450
|
|
24
|
30
|
800
|
|
48
|
15
|
3200
|
|
3
|
180
|
17
|
Approx 0.54W
|
|
5
|
108
|
46
|
|
6
|
90
|
67
|
|
9
|
60
|
150
|
|
12
|
45
|
270
|
|
18
|
30
|
600
|
|
24
|
22.5
|
1067
|
|
48
|
11.25
|
4267
|
The data shown above are initial values. Do not apply the maximum allowable voltage on coil for more than 10 minutes to avoid overheating of the coil.
Outline dimension, Wiring diagram, PCB layout (Unit: mm)

Characteristic Curves

Ordering Information
CYF2 H - 2 - C - 12VDC - H - D - T - XX
1 2 3 4 5 6 7 8 9
1:Type:CYF2
2: His 8A Nil -5A
3: Number of Poles: 2-2Pole
4: Contact Arrangement: C Fom C ; H From A ; B From B
5: Nominal Voltage: 3,5,6,9,12,18,24,48VDC
6: Enclosure Color: T -Transparent, H-Black, L-Blue
7: Coil Pwor: D-0.72W L-0.54W
8: Protective Construction: S-Flux proofed,
SH-Sealed type washable
9: Special Parameter: Nil-Standard type
Letter or number-Special requirement
Flux-proof relays can not be used in the environment with pollutants like H2S, SO2, NO2, dust, etc.
Water cleaning or surface processing is not suggested after the flux-proof relays are assembled on the PCB.
Disclaimer: The specification is for reference only. Specifications are subject to change without prior notice.
We could not evaluate all the performance and all the parameters for every possible application. Thus, the users should be in the right position to choose
Suitable product for their own application. For sealed relays, after installation and cleaning, please open the ventilation hole in the case before use. If there is any query, please contact Chengyuan for technical services. However, it is the user`s responsibility to determine which product should be used.