D3501N

Turn On Voltage (Max):	2.25 VDC
Coil Resistance:	30 Ohms
Coil Power:	300 mW
Contact Material:	Palladium (Pd), Ruthenium (Ru), Gold (Au)
Operating Temperature:	-55°C ~ 85°C
Termination Style:	Gull Wing
Mounting Type:	Surface Mount
Features:	--
Release Time:	5ms
Operate Time:	5ms
Turn Off Voltage (Min):	0.3 VDC
Series:	FU2, AXICOM
Switching Voltage:	250VAC, 220VDC - Max
Contact Rating (Current):	2A
Contact Form:	DPDT (2 Form C)
Coil Voltage:	3VDC
Coil Current:	100mA
Coil Type:	Non Latching
Relay Type:	Telecom
Part Status:	Obsolete
Packaging:	Bulk

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Signal Relays, Up to 2 Amps: D3501N Application Field and Working Principle

The D3501N series signal relays from Omron Electronic Components are miniature, highly sensitive relays designed to control low-current or high-sensitivity circuits. Manufactured with a low-profile coil construction, these relays are ideal for a range of low-power or high-sensitivity applications, such as in process control, instrumentation, medical, consumer, audio, industrial, and automotive fields. These highly engineered, versatile and rugged components are available in a number of contact configurations and highly rated packages for a wide variety of contact configurations.

Features

The features of the D3501N series signal relays include:

• Small size
• Low profile coil
• High sensitivity
• High-reliability contact performance
• Hermetically sealed contact assembly
• Specialized terminals
• High-value thermosetting insulation
• Wide variety of contact configurations

The D3501N series is available in a wide range of contact configurations, including 1 C/O contact, 1 C/O, 2 C/O contacts, 1 C/O, 3 C/O contacts, 1 C/O, 4 C/O, 1 C/O, 5 C/O contacts, 1 C/O, 6 C/O contacts, 1 C/O, 7 C/O contacts, 8 C/O contacts, 1 C/O, 9 C/O contacts, and 10 C/O contacts.

Application Fields

The exceptional level of sensitivity and rugged construction of the D3501N series signal relays make them an ideal choice for a wide range of applications, including:

• Automotive applications, such as airbag systems, engine control systems, and cruise control systems
• Industrial applications, such as process control, instrumentation, and factory automation
• Medical applications, such as healthcare monitoring and life support systems
• Consumer applications, such as audio and entertainment devices, home security systems, and home automation

Working Principle

The working principle of the D3501N series signal relays is based on an electro-mechanical principle. When energized, the D3501N relay activates an electromagnet within its coil. This magnet draws the contact within the relay, allowing electricity, or current, to pass through the contact. Once the energizing current is removed, the electromagnet drops, allowing the contact to close once more. This process provides a way to control a low-level or low-energy circuit using a high-energy source. The low profile coil design of the D3501N series ensures maximum current flow and efficient operation. With its copper or silver contacts, the contact assembly offers long-lasting corrosion resistance. The relays also feature an integrated thermosetting insulation, which adds to the durability of the relays.

Specifications

The D3501N series signal relays are rated for up to 2 amps at 250 volts AC and 28 volts DC. The power consumption of the relay is low, typically rated at 50 mW to 100 mW. The relays are also rated to withstand temperatures ranging from -40°C to 85°C, depending on the model. The physical dimensions of the D3501N series range from 6.1 mm to 10.7 mm in width, 15 mm to 23.6 mm in height, and 11 mm to19.6 mm in length. The relays have an operating force of 80 to 180 grams, depending on the model.

Conclusion

The D3501N series of signal relays from Omron Electronic Components provides a reliable and highly sensitive solution for controlling low-current or high-sensitivity circuits. With a wide range of contact configurations and highly customizable ratings, these components are ideally suited for a range of applications in the automobile, medical, industrial, and consumer applications. The low profile coil design of the relays provides maximum current flow and efficient operation, along with high reliability contact performance and an integrated thermosetting insulation for enhanced durability.

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