933766111 HELLA Micro Relay Spst Res

Review HELLA Micro Relay 12v 20a Spst Res

The Hella 933766111 micro relay is a versatile and reliable component designed for automotive applications. This 12V, 20A, Single Pole, Single Throw (SPST) relay offers superior switching capabilities in a compact size, making it an ideal choice for various electrical systems in vehicles.

Measuring only 31.5mm x 22.5mm x 12.5mm, this micro relay is designed to save space in even the most cramped engine bays. Its small form factor is achieved without compromising on performance, as it can handle a current of up to 20 Amperes and voltage of 12 Volts.

The Hella 933766111 micro relay features a silver contact material, ensuring excellent conductivity and a long service life. This high-quality construction also makes it resistant to harsh automotive environments, enabling it to withstand the heat, vibration, and electrical stresses that come with vehicle operation.

The relay's contacts are gold-plated, which further enhances its conductivity and reliability. The gold plating also provides protection against corrosion, ensuring that the relay maintains its performance over time, even in demanding conditions.

The Hella 933766111 micro relay comes with a built-in diode, which protects the coil from voltage spikes that may occur when the relay is de-energized. This added feature not only extends the life of the relay but also safeguards the rest of the electrical system from potential damage.

Installation of the Hella 933766111 micro relay is straightforward, thanks to its clear labeling and easy-to-use design. It requires a minimum coil voltage of 18V for proper operation and comes with a flyback diode to protect against inductive loads.

The Hella 933766111 micro relay is an essential component in various automotive applications, including fuel pump systems, power window controls, and electrical fan controls, among others. With its compact size, high current handling capability, and reliable performance, it is a must-have for automotive enthusiasts and professionals alike.

The Hella 933766111 micro relay is a 12V, 20A, SPST (Single Pole Single Throw) relay. Relays are electronic switches that can be used to control electrical circuits remotely. Here are some potential pros and cons of buying this particular micro relay:

1. High Current Capacity: This micro relay can handle a current of up to 20 Amperes, making it suitable for controlling high current circuits.

2. Compact Size: With dimensions of just 32 x 21 x 11.5 mm, this micro relay is very small and can be easily integrated into compact systems.

3. Robust Construction: Hella is a well-known automotive supplier, and this micro relay is designed to withstand the rigors of automotive applications.

4. Easy to Use: This relay has a simple SPST configuration, making it easy to use and understand.

1. Limited Switching Frequency: The data sheet for this micro relay does not specify a maximum switching frequency, which may limit its use in applications where fast switching is required.

2. Requires External Diode: This micro relay does not have a built-in diode to protect against inductive kickback, so an external diode will be required for some applications.

3. Sensitive to Overvoltage: The data sheet specifies that this micro relay should not be operated with a voltage greater than 15V, so care must be taken to ensure that the voltage does not exceed this limit.

In conclusion, the Hella 933766111 micro relay is a suitable choice for applications where a compact, high current switching solution is required. However, it may not be the best option for applications where fast switching or high voltages are involved.

If you are looking for a reliable, high current micro relay for a relatively simple application, then this Hella relay could be a good choice. However, if you require faster switching or higher voltage handling capabilities, then you may want to consider other options.

Overall, the Hella 933766111 micro relay is a well-designed and robust component that can be a valuable addition to many electronic systems. Its compact size, high current capacity, and easy-to-use SPST configuration make it a popular choice for automotive and industrial applications.

Details:

20 continuous. Hella 933766111 micro relay 12v 20a spst res:: res Hella. Resistor coil suppression.

specifications genpurrelays:

• brand: Hella
• mpn: 933766111
• upc: 760687159551

payments genpurrelays:

• other
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• credit card: diners-club

offer genpurrelays:

• options: ship-to-home
• sold #: 13
• started: december 25, 2025
• prices: $12.43–$19.77
• item condition: New
• availability: in stock
• in stock #: 5

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• policy: returns accepted
• time: 30 days
• paid by: buyer
• method: money back

general genpurrelays:

• category: Business & Industrial > Electrical Equipment Supplies > General Purpose Relays

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• rating: 99.3%
• # reviews: 76965
• city: clawson, michigan

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