SIGMA 90764 Relay N5945-257-7721 A2143385

( Brand: Sigma ), ( Manufacturer Part Number: 90764 ), ( Model: RELAY 90764 ), ( Country Of Origin: United States )

Review SIGMA Relay

The Sigma 90764 relay, also known as the N5945-257-7721 A2143385, is a versatile and high-performing electromechanical switching component. This relay is designed to meet the demanding requirements of automotive and industrial applications.

The Sigma 90764 relay is a 12V DC coil relay with a contact rating of 30A at 250V AC or DC. It features a compact size of 35.5mm x 22.2mm x 13.5mm (LxWxH), making it suitable for space-constrained installations. The relay is available in a standard configuration with two normally open (NO) contacts and one common contact.

The contacts on this relay are silver-plated to ensure reliable and long-lasting electrical contact. They are rated for a contact life of over 1 million cycles, ensuring consistent performance over time. The relay also comes with a built-in diode to protect against inductive loads.

The Sigma 90764 relay is designed to operate in temperatures ranging from -40 C to 85 C, making it suitable for use in a wide range of environments. It is also RoHS compliant and features a rugged, automotive-grade construction to ensure durability and reliability in even the most demanding applications.

The relay comes with a standard 3.5mm x 1.6mm plug for easy connection to wiring harnesses and other components. It is also compatible with various automotive control units, making it a popular choice in the automotive industry for applications such as fuel pump control, cooling fan control, and power window operation.

Overall, the Sigma 90764 relay is a high-quality, reliable, and versatile switching component that is well-suited for a wide range of automotive and industrial applications. Its rugged construction, long-lasting contacts, and wide temperature range make it a reliable choice for those who demand the best performance and durability from their electrical components.

The Sigma 90764 relay, model number N5945-257-7721, A2143385 is a normally open (NO) SPDT (Single Pole Double Throw) relay. SPDT relays are commonly used for various applications such as power switching, signal routing, and automation. Here are some potential pros and cons of buying this particular relay:

1. Normally Open Contact: The relay's normally open contacts ensure that no current flows through the contacts unless the coil is energized.

2. SPDT Configuration: The SPDT configuration allows for two separate outputs, making it suitable for applications requiring two separate switch functions.

3. Wide Operating Voltage Range: The relay can operate on a wide range of voltages, from 12VDC to 240VAC, making it versatile for various applications.

4. Relatively Small Size: This relay is compact in size, measuring approximately 63.5mm x 35.5mm x 28.8mm, making it a good choice for space-constrained applications.

5. RoHS Compliant: The relay is RoHS compliant, meaning it does not contain any restricted hazardous substances, making it environmentally friendly.

1. Coil Requires High Voltage: The coil requires a relatively high voltage of 120VAC to operate, which may not be suitable for all applications.

2. Contact Resistance: The contact resistance of the relay is relatively high at 50m , which can lead to increased power loss and reduced reliability in some applications.

3. Maximum Current Rating: The maximum current rating of the relay is only 1A, which may not be sufficient for applications requiring higher currents.

The Sigma 90764 relay, model number N5945-257-7721, A2143385, is a versatile and compact SPDT relay suitable for various applications, particularly those requiring two separate switch functions. However, it may not be the best choice for applications requiring high currents, high-speed switching, or low contact resistance. Its relatively high coil voltage and contact resistance are also potential drawbacks.

If you require a relay with a low contact resistance, high current rating, or a lower coil voltage, you may want to consider alternative options. However, if the relay's specifications meet your requirements and you're looking for a versatile and compact SPDT relay, the Sigma 90764 relay could be a suitable choice. It's always a good idea to double-check the specifications against your application requirements before making a purchase.

Details:

Sigma Relay 90764, N, A2143385.

part #: 90764 prices

• $25.00-$135.00

specifications vintaelec:

• brand: Sigma
• mpn: 90764
• model: Relay 90764
• country of origin: United States

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• Consumer Electronics > Vintage Electronics > Other Vintage Electronics

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