I. Product Structure and Installation Features
1. Core Structure: Uses a sealed glass tube magnetic reed switch structure, utilizing a magnetic field to control the reed switch action, achieving effective isolation of high and low voltage circuits;
2. Miniaturized Design: Compact size, suitable for PCB mounting, saving internal installation space and facilitating high-density layouts;
3. Performance Stability: Features high sensitivity, long mechanical life, and strong resistance to environmental interference, ensuring stable operation under complex working conditions.
II. Core Functions and Applicable Scenarios
1. Core Functions: Provides isolation, switching, and control of high-voltage circuits, while also offering signal detection, low power consumption control, and high-reliability switching functions, suitable for explosion-proof/moisture-proof applications;
2. New Energy Field: Applicable to insulation detection and current management systems in electric vehicles, charging piles, inverters, energy storage equipment, etc.
3. Testing and Instrumentation Field: Used in high-voltage isolation applications for instruments, high-voltage power supplies, and other testing fields;
4. Other High-Voltage Scenarios: Suitable for automatic test equipment (ATE), medical devices, photovoltaics, base stations, and other applications requiring high-voltage isolation and reliable switching. IV. Utilizing Core Advantages
1. Ultra-high voltage resistance: Excellent insulation characteristics and superior voltage withstand performance between contacts and coils ensure safe operation in high-voltage environments.
2. Miniaturization and high-voltage compatibility: Achieves high-voltage switching capabilities in a compact size, meeting the dual demands of equipment miniaturization and high-voltage control;
3. Wide range of applications: Covers multiple high-voltage application fields such as new energy, test instruments, medical equipment, and communications, offering strong versatility.
4. Long lifespan and high reliability: Long mechanical life, high sensitivity, and authoritative certifications reduce equipment maintenance costs and failure risks.
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Contact Data
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Type
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CYCHV
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Contact material
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Rhodium alloys
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Contact Arrangement
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1A
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Contact resistance
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≤ 150 mΩ Max.(at 1A 16VDC)
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Rated load (Resistive load）
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10mA 1500VDC/ 15mA 1000VDC / 1A 30VDC
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Max. switching current
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1A
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Max. switching voltage
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1500VAC/1000VDC
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Max. Carrying Current
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2.5A
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Characteristics
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Operate time (at rated coil voltage)
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≤ 1.5ms Max.
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Release time
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≤ 0.5ms Max.
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Insulation resistance
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Min 10000MΩ (at 100VDC,RH<45%)
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Dielectric strength
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Between open contacts: Standard3000VDC High-pressure type3500VDC
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Between coil and contact:7000VDC
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Vibration resistance
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10-55Hz,20g
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Shock resistance
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1/2 half sine wave, 11ms, 3 axial, 30G
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Endurance
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Mechanical endurance （10800ops./h)
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100000000 ops.(at room temperature)
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Electrical endurance (360ops./h)
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100000 ops.(at room temperature)
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Ambient temperature
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-40℃~+105℃
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Weight
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Approx. 4.5g
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Coil Data (at 20℃)
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Nominal
voltage
(VDC)
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Nominal
operating
current
±10%(mA)
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Coil resistance
±10%(Ω)
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Nominal operating
power
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Operate voltage
(Max.)
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Release voltage
(Min.)
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Max. allowable voltage
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5
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40
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120
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0.2
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75% of nominal
voltage
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5% of nominal
voltage
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130% of nominal voltage
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12
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24
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500
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0.288
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24
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12
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2000
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0.288
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The data shown above are initial values. Do not apple maximum allowable voltage on coil for more than 10 minutes to avoid overheating of thd coil.
Outline dimension, Wiring diagram, PCB layout (Unit:mm)
Ordering Information
CYCHV - 1 A - 12VDC - S - XX
1 2 3 4 5 6
1：Type：CYCHV
2: Number of Poles: 1-1Pole
3: Contact Arrangement: A From A
4: Nominal Voltage: 5,12,24VDC
5： Mounting form：（THT) ; S （ SMT）
6: Special Parameter: Nil-Standard type
Letter or number-Special requirement
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.
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