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The Best 3.3V Solid State Relay of 2023 – Reviewed and Top Rated

After hours researching and comparing all models on the market, we find out the Best 3.3V Solid State Relay of 2023. Check our ranking below.

2,932 Reviews Scanned

Rank No. #1

Kyoto Electric KF0602D DC-to-DC Solid State Relay, 32 Volt, DC Input, 2 Amp, 4-Pin, 1.4"L x 0.3"W x 0.9"H

Control voltage: 3-32VDC
Contact form: SPST
Size: 1.4"L x 0.3"W x 0.9"H
Terminal type: Solder lead

Rank No. #2

HiLetgo 2pcs SSR-25DA 25A 250V Solid State Relay Module

SSR-25DA 25A 250V Solid State Relay Alloy Heat Sink
Model: SSR-25DA
Input voltage: 3-32V DC
Output voltage: 24-380V AC
Control Method: DC to AC

Rank No. #3

Songhe DC 1 Channel Optocoupler 3V/3.3V Relay High Level Driver Module Isolated Drive Control Board 3V/3.3V Relay Module for Arduino (Pack of 5)

Original Songle Relay
30VDC 250VAC Load：The power switch is compatible with 10A 250VAC and 10A 30VDC load.
Optocoupler Isolator:3V/3.3V power relay module supports photocoupler isolation control.

Rank No. #4

Shipenophy 8 Channels Solid State Relay Module DC AC Low Trigger with Fuse DC 3.3v 8 Channel Relay

There is a 8 channels solid state relay module.Wisely used., 12v 4 channel solid state
MORE CONVENIENT 8 channels make it more convenient to connect control line. Package List: 1 8 Channel Solid State Relay Module, 8 channel 5v relay, electronic relays
The relay is closed when the voltage between the trigger terminal and the negative pole of the power supply is 0V or close to 0V.
solid state relay low , Brand new and high quality wisely used.
Convenience: The eight channels of this solid state relay make connecting control lines easier.

Rank No. #5

eletechsup 4 CH 3.3V 5V PNP-NPN Digital Logic Converter 5A MOS Solid State Relay PLC Signal Amplifier Board for Motor Relay (4 x with Shell)

Control Voltage: 3.3-8V
Input current: 8-15mA
Output type: Non-Contact type
Adopt original drive chip, stable and reliable performance.
The module is designed wiht standard rail type.

Rank No. #6

Clare LCA110 Solid State Relay, AC-DC Output, 6-Pin, Plastic DIP Tube, 350 Volt, 0.12 Amp, 0.3" L x 0.3" W x 0.1" H (Pack of 2)

Isolation voltage: 3750Vrms
Single pole, dip-6 package
Load voltage: 350V
Input control current: 2Ma
Off-state leakage: 1µa

Rank No. #7

RED WOLF Adjust DC 12V to 3.3V 5V 6V 9V DC Step Down Converter Power Supply Voltage Adapter Reducer Regulator Fit for Vehicles Accessories Devices Backup Camera Radio

RED WOLF Voltage Step Down Switcher Harness work as input 12V-14V but finally output 3.3V 5V 6V 9V to meet your car devices install need. Won't work for wider Voltage.
Total 4 kinds of output voltage are available. There are 3 voltage slot representing 3.3V 5V 6V 9V power. It can be switch to your desired voltage output.
The DC-DC converter is widely used in Vehicles electronic systems. Such as to power factory camera or to Remove Popping noise for Ford Mustang Lincoln when install aftermarket radio stereo, Install dash cam, CB or power other car Accessories Devices.
Made of professional electrical level copper wire materials, Strong conductivity. Prevent Car equipment from damage due to over voltage, Short-circuit.
Easy installation. Only 4 wires are need to be connected. Wiring diagram is included in the package. Input voltage range DC12V-DC14V. Output DC 12V to 3.3V, DC12V to 5V, DC12V to 6V, 12V to 9V.

Rank No. #8

8 Channel I2C Interface Relay Module for Arduino, Raspberry PI, Home Assistant YAML, ESP32 3.3V 5.0V 10A Peak LED Indicator for Each Relay Channel Control AC DC Voltage - I2C I/O pin Expander

LEDs indicators for each electromagnetic relay channel. Relays with SPDT switch contacts: Normally Open, Common, Normally Closed.
Up to 8 boards can be connected to I2C bus line. The module contains an PCF8574 or PCF8574A chip. Working temperature range - 25 C ~ + 80 C
Comes with different slave address 0x27 or 0x3F, depends on the batch. Relay expected life Mechanical - 10,000,000 operations min. Relay expected life Electrical - 100,000 operations min. at rated load
Relay dielectric strength 750 VAC, 50/60Hz between contact. Maximum current per relay – 10A peak. Maximum current @5.0V – 700mA. Operation DC voltage – 3.3V and 5.0V
AC controlling voltage range 100…240V AC, AC voltage frequency range 50…60Hz. compatible with plastic din rail holder, size 100mm

Rank No. #9

High Level Trigger 1 Channel Solid State Relay Module SSR DC-DC 3-32V to 5-220V 5A for Arduino

High Level Trigger 1 Channel Solid State Relay Module SSR DC-DC 3-32V to 5-220V 5A For Arduino

Rank No. #10

NOYITO 2-Channel Solid State Relay Module High-Level Trigger DC Control AC Load AC 240V 2A for PLC Automation Equipment Control, Industrial Control, Circuit Modification(2-Channel 12V)

Product Applications: PLC automation equipment control, industrial system control, Internet of Things control, electronic enthusiasts to develop experiments, all kinds of circuit modification.
With anti-reverse power function, power supply will not damage when the module reverse.
High-quality 2A AC solid state relay module. Module anti-interference ability, stable performance, trigger current only 2mA.
Each channel with relay on / off LED indicator.
Module load: AC 240V 2A Max（Can only control the AC load, can not control the DC load.）.

Rank No. #11

LCLCTC Din Rail Solid State Relay with Heat Sink DC to AC (Input 3-32V DC Output 24-480V AC), 40A,SSR (DC to AC 40A)

Solid State Relays come with their own heatsinks, you don't need to buy additional heatsinks
This solid state relay has mounting rail clips, suitable for distribution box installation
The product width is only 0.964in (2.45cm), which is more suitable for installation in narrow spaces
We also have voltage regulating type VD 0-5V, VF 0-10V, LA 4-20mA, it is more accurate to use with thermostat
If you will not choose the model, please see the picture

Rank No. #12

SainSmart 5V 2A 4 Channel Solid State Relay Module High Level Trigger Black for Arduino Uno Duemilanove MEGA2560 MEGA1280 ARM DSP PIC

Rank No. #13

TWTADE SSR-40 DD 10A DC 3-32V to DC 5-60V SSR Solid State Relay + Heat Sink

Special attention: The current of this product is 10A for a long time.A large heat sink or fan need to be added.Model: SSR-40DD Solid State Relay 40A DC to DC
Input voltage: 3-32V DC Output voltage: 5-60V DC
Heat Sink Mounting Thread Diameter (Approx.) : 0.5cm / 0.19"
Heat Sink Total Size (Approx.) : 8 x 4.9 x 4.9cm / 3.1" x 1.9" x 1.9" (L * W * T )
Package content: 1 x SSR + 1 x heat sink

Rank No. #14

Inkbird SSR Solid State Relay SSR 40DA for PID Thermostat Temperature Controller

Input : DC 3-32V;
Output : AC 24-380V
Solid State Relay
Type : SSR-40DA
1 x Solid State Relay

SaleRank No. #15

LGDehome 10PCS DC 5V-36V 15A(Max 30A) 400W Dual High-Power MOS Transistor Driving Controller Module FET Trigger Switch Drive Board 0-20KHz PWM Electronic Switch Control Board DC Motor Speed Controller

Operating Voltage: DC DC 5V--36V; continuous current 15A at normal temperature; power: 400W; The maximum current can reach 30A under auxiliary cooling conditions.
Trigger signal source: digital high and low level (DC3.3V--20V), can be connected to single-chip IO port, PLC interface, DC power supply, etc., can be connected to PWM signal, signal frequency 0--20KHZ support
Adopt imported dual MOS parallel active output, lower internal resistance, large current, strong power, 15A, 400W at room temperature, meeting the needs of most equipment
Application: The output can control high-power equipment, motor, bulb, LED strip, DC motor, micro pump, solenoid valve, etc. It can input PWM, control motor speed, lamp brightness, etc
Wide voltage, support PWM;Easily control high-power devices;Service life: unlimited switch; working temperature: -40-85 ¡ã C; size: 1.34x0.7x0.5inch/3.4 x 1.7 x1.2cm(L*W*H)

Rank No. #16

CG Solid State Relay SSR-25DD DC to DC Input 3-32VDC To Output 5-240VDC 25A Single Phase Plastic Cover

♥【What You Get】Each package With 2 mini bag of thermal grease which apply on the back of the SSR to make the temperature dissipate faster.
♥ Product Name: solid state module relay SSR-25DD, 3-32VDC/5-220VDC ; Current & Frequency:25A,50/60Hz.
♥ Total size (approximate):58 x 45 x 32mm/2.3" x 1.8" x 1.26" (l*w*t); Net weight:116g; Material:metal, plastic, electronic parts.
♥ SSR Application: with a switch no spark, no noise,high switching speed,anti-corrosion,moisture-proof,anti-vibration,long life.high reliability,electromagnetic compatibility and other characteristics.
♥ Solid state relay ideal for automatic process control application, a must component for temperature controller and other machinery control system.

Rank No. #17

CNAODUN Solid State Relay SSR-25DA with Heat Sink DC to AC 25A Input 3-32VDC to Output 24-480VAC Single Phase

♥【What You Get】Each package include 1*solid state relay，1*aluminium heat sink,2*screws and 2*mini bag of thermal grease which apply on the back of the SSR to make the temperature dissipate faster.
♥【Parameter Detail】Solid state relay SSR-25DA, Input voltage: 3-32VDC ; Output voltage: 24-480VAC ; Current rating & Frequency : 25 Amps , 50/60Hz.
♥【Multiple Characteristics】With a switch no spark, no noise,high switching speed,anticorrosion,moisture-proof,anti-vibration,long life, high reliability,electromagnetic compatibility and other characteristics.
♥【Effective function】Solid state relay ideal for automatic process control application, a must component for temperature controller and other machinery control system.And it is more efficient to match radiator.
♥【Wide Range of Applicable 】Widely used in automation and automation control of petrochemical plants, food machines,packaging machines, textile machines, machine tools, plastic machines,entertainment possibilities.

Rank No. #18

20 Pieces 3 Pins AMS1117-3.3 DC 4.75V-12V to 3.3V Voltage Regulator Down Power Supply Buck 800mA Module

How to install: please check the product pictures carefully for the wiring diagram steps before using, simple dual-panel design and the input output using the 3 pin single row pin for easy connection, the input voltage is higher than output voltage 1.2V, the module will work normally; AMS1117-3.3 is a positive voltage regulator step down power supply module, support DC 4.75-12V input and 3.3V fixed voltage and 0.8A current output
Electronic devices partner: the 3 pins AMS1117-3.3 voltage regulator mini step down power supply module, can be applied to electronic devices which need 3.3V power supply, such as SCM project design, MCU development and more, easy to be connected and provide the power supply
Where to use: the voltage to 3.3V 800mA DC buck module is applicable for high-efficiency linear regulator published active power regulator battery charger active instrument
Compatible with: the 3 pins AMS1117-3.3 voltage regulator mini power supply is compatible with Arduino MEGA2560, MSP430 development board, 3.3V low power consumption MCU, FPGA/CPLD PLD programmable logic systems, ARM7 ARM9 ARM11 STM32, etc.
Provide more safety: the AMS1117-3.3 800mA DC buck module features overheat shutdown circuit provides overload and over-temperature protection, no worry about safety and bring you more convenience; Operating junction temperature range: -40 to 125°C, welding temperature (25 seconds): 265°C, storage temperature: - 65~150°C

Rank No. #19

5V 12V 24V 1 Channel DC Relay Module Solid State Low Level SSR Relay (12V)

Stable performance of electronic components, so that your equipment can work stably.
The use of the product expansion capability, can be used for all types of DIY.
With fuse to ensure the safe use of this module.
High sensitivity of products.

Rank No. #20

CG Solid State Relay SSR-25DA DC to AC Input 3-32VDC To Output 24-480VAC 25A Single Phase Plastic Cover…

♥【What You Get】Each package With 2 mini bag of thermal grease which apply on the back of the SSR to make the temperature dissipate faster.
♥ Product Name: solid state module relay SSR-25DA, 3-32VDC/24-480VAC ; Current & Frequency:25A,50/60Hz.
♥ Total size (approximate):58 x 45 x 32mm/2.3" x 1.8" x 1.26" (l*w*t); Net weight:116g; Material:metal, plastic, electronic parts.
♥ SSR Application: with a switch no spark, no noise,high switching speed,anti-corrosion,moisture-proof,anti-vibration,long life.high reliability,electromagnetic compatibility and other characteristics.
♥ Solid state relay ideal for automatic process control application, a must component for temperature controller and other machinery control system.

Last update on 2023-08-03 / Affiliate links / Product Titles, Images, Descriptions from Amazon Product Advertising API

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FAQ:

Q: What kind of DC input does solid state relay use?

A: Also, because there’s no moving contacts, solid state relays can be switched much faster and for much longer periods without wearing out. This particular SSR can switch current loads of up to 40A with a 3-32V DC input and a zero cross trigger control method.

Q: What kind of power do I need for a 3.3V relay?

A: Usually, you’re ging to power the 3.3V device from something like 5V USB or 9V plug. These sources can often provide the power required to energize the coil of your relay. You will have to make the control signal of your board and switch the “input power” over the coil of your relay.

Q: Can a relay be switched from a microcontroller?

A: Relay modules with opto couplers can drive the relay from a different voltage to the logic input, which is sometimes useful. The system is a physical switch that just short two wires (which are 24v max). This system should now also be able to be switched from the microcontroller.

Q: What kind of DC input does a SSR 40A use?

A: This particular SSR can switch current loads of up to 40A with a 3-32V DC input and a zero cross trigger control method. Each one of these relays is equipped with four screw terminals (for use with ring or fork connectors) and a plastic cover that slides over the top of the relay to protect the terminals.