HE3351A1200

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Reed relays are electrical devices that are commonly used as switches. The switching mechanism consists of a magnetic core and an electromagnet or a permanent magnet; and the reed switch itself consists of two reed contacts, each made of a thin strip of magnetic material. As the energized reed moves, it opens and closes the contacts, thus allowing or cutting off current flow in the circuit.

HE3351A1200 is one reed relay developed and manufactured from Harbin Elmer Electronic Co., Ltd. It can mainly work in very strong electromagnetic interference (EMI) environment, and has the guarantee of high reliability and long service life. It features compact structure, low contact capacity, low contact resistance and long-term stability.

The application field of HE3351A1200 reed relays is wide. It is suitable for measuring pulsed signals, pulsed currents and acoustic signals. Besides, it is also applied in security alarm, motor remote control, light switch, cable monitoring, AD/DA conversion, signal transmission, measuring device, tone and pulse dialing and other mechanotronic devices. The working principle of HE3351A1200 reed relay is relatively simple: when the power is switched to the electromagnetic coil of the relay, the magnetism it generates will make the reed switch in the center to close the circuit. When the power is removed, the reed switch will bounce back, making the two contacts open the circuit.

HE3351A1200 reed relay has the following characteristics:

• Low contact capacity (0.5W under 25°C);
• Maximum 12VDC;
• High contact resistance (50mΩ max.);
• Operating temperature range between -20°C and 85°C;
• Long-term stability over 2000 times electrical endurance test;
• Compact size (ASK2V1.5) and fast switch.

Since the reed switch is encased securely in an oval or cylindrical shape, the interface of the switch is free from external environment, thus highly dustproof, waterproof and EMI-shielded. HE3351A1200 has good hermeticism, and is particularly suitable for small parts on PCB, which eliminates worries of leakage caused by unnecessary contact of wires.

In summary, the HE3351A1200 reed relay is a durable, reliable and versatile switching device for multiple application fields. The device features low contact resistance, high performance and long-term stability, which makes it widely applied in different kinds of digital products. HE3351A1200 reed relay is a cost-effective choice for those who are in need of quality electrical relays.

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