Best Clock Generators (Oct. 2026) - Rated by CherryPicks' Experts

At a Glance: Our Top Picks

Top 1

JESSINIE Si5351A 3-Channel Clock Signal Generator Module 8KHz-160MHz I2C Squa...

9.9
CPR Score
Top 2

YOURRYONG 5PCS CJMCU-5351 Si5351A Si5351 Clock Generator Signal Generator Clock

9.7
CPR Score
Top 3

DC 3V-5V Si5351A Si5351 I2C Clock Generator Breakout Board Module Signal Gene...

9.7
CPR Score
Tips


Based on our evaluations of 306 Clock Generators and the analysis of over 4 consumer satisfaction reviews, We have rank top 30 Best Clock Generators reviews of different brands, such asGeneric, Keenso, Eujgoov, plplaaoo, Reland Sung And Rizees.

* CherryPicks.Reviews is reader-supported, Our editor review, and recommend the best products based on extensive data analysis, if you click on the product links, we may earn a commission through qualifying products purchased.

The Best Clock Generators Rated by CherryPicks

Market Overview
30 Products Evaluated
  • Highest Price: $315.52
  • Lowest Price: $4.46
  • Avg. Price: $39.75
Price Disclaimer

Top 30 Clock Generators on Amazon (Verified You can Buy)

Top 1

JESSINIE Si5351A 3-Channel Clock Signal Generator Module 8KHz-160MHz I2C Square Wave for DIY Projects and Electronics Kits 3-5VDC

JESSINIE

Ratings for JESSINIE (CPR Score)

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Jessinie - ❌ ❌ ❌

Features

**Wide Frequency Range:** Easily generate frequencies from 8KHz to over 160MHz using the Si5351A Clock Signal Generator, perfect for RF projects, testing, and more.
**Precision and Stability:** Equipped with a 25MHz crystal reference, this module ensures high precision and stability for all your signal generation needs.
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Top 2

YOURRYONG 5PCS CJMCU-5351 Si5351A Si5351 Clock Generator Signal Generator Clock

YOURRYONG

Ratings for YOURRYONG (CPR Score)

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Yourryong - ❌ ❌ ❌

Features

5PCS CJMCU-5351 Si5351A Si5351 Clock Generator Signal Generator Clock
Top 3

DC 3V-5V Si5351A Si5351 I2C Clock Generator Breakout Board Module Signal Generator Clock 8KHz-160MHz for Arduino

GODIYMODULES

Ratings for GODIYMODULES (CPR Score)

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DIY-Module - ❌ ❌ ❌

Features

SSi5351A I2C Generator Clock Breakout Board 8KHz to 160MHz for Arduino
Never hunt around for another crystal again, with the Si5351A clock generator breakout ! This chip has a precision 25MHz crystal reference and internal PLL and dividers so it can generate just about any frequency, from <8KHz up to 150+ MHz.
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Top 4

SI5351 5351B Si5351B Clock Signal Generator Module I2C Programmable 27MHz + VCXO

Generic

Ratings for Generic (CPR Score)

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YuwParts - ❌ ❌ ❌

Features

SI5351 5351B Si5351B Clock Signal Generator Module I2C Programmable 27MHz + VCXO
Top 5

3Pcs SI5351 I2C Clock Signal Generator Module, High-Frequency Square Wave

MakerCircuit

Ratings for MakerCircuit (CPR Score)

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MakerCircuit US - ❌ ❌ ❌

Features

Wide Frequency Output Range: Generate programmable square-wave clock signals from 8 kHz to 160 MHz, making this SI5351A clock generator module ideal for RF projects, microcontroller experiments, signal testing, clock replacement, and DIY electronics development.
I2C Programmable for Flexible Control: The module supports I2C user configuration, allowing you to easily set and adjust output frequencies through compatible development boards such as Arduino, STM32, ESP32, and other MCU platforms.
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Top 6

SI5351 Clock Signal Generator Module High Precision Low Noise Square Wave Frequency Generator for Electronics Engineers Hobbyists PCB Material

plplaaoo

Ratings for plplaaoo (CPR Score)

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xjinwalo - ❌ ❌ ❌

Features

[HIGH PRECISION FREQUENCY OUTPUT] The SI5351 Clock Signal Generator delivers exceptional accuracy with a wide frequency range from 2.5KHz to 200MHz. Its configurable minimum step of 1Hz ensures precise tuning for various applications. The output frequency is stable and reliable, making it ideal for electronics projects requiring exact signal generation.
[LOW NOISE HIGH PERFORMANCE] Engineered for minimal noise interference, this signal generator provides clean and stable square wave outputs. The advanced design reduces noise figure and enhances dynamic range, ensuring superior signal integrity for sensitive electronic components and testing environments.
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Top 7

1PC ADF4001BCPZ-RL7 IC Clock Generator 20LFCSP

CHUANGYEIC

Ratings for CHUANGYEIC (CPR Score)

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SHUNDEXINCHIP - ❌ ❌ ❌

Features

Part NO.:ADF4001BCPZ-RL7
Voltage - Supply 2.7V ~ 5.5V
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Top 8

DC 3V-5V 5351 Si5351A Si5351 I2C Clock Generator Breakout Board Module Signal Generator Clock 8KHz-160MHz for Arduino (1)

Reland Sung
034948546702

Ratings for Reland Sung (CPR Score)

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Reland - ✅ ✅ ✅

Features

Reland Sung
Top 9

1 Pcs Clock Generator/Frequency Synthesizer/PLL SI5351A-B-GTR SI5351A-B-GTR MSOP-10

Generic

Ratings for Generic (CPR Score)

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NaSuParts - ❌ ❌ ❌

Features

1 Pcs Clock Generator/Frequency Synthesizer/PLL SI5351A-B-GTR SI5351A-B-GTR MSOP-10
Top 10

1PC MPC9992ACR2 IC PLL Clock Generator 32TQFP

CHUANGYEIC

Ratings for CHUANGYEIC (CPR Score)

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SHUNDEXINCHIP - ❌ ❌ ❌

Features

Part NO.:MPC9992ACR2
Frequency - Max 400MHz
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Top 11

(5PCS) P2781AF-08SR Frequency Modulator, Spread Spectrum Clock Generator IC 78MHz 1 8-SOIC (0.154", 3.90mm Width)

Rizees
P2781AF-08SR

Ratings for Rizees (CPR Score)

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RIZEES ELECTRON - ❌ ❌ ❌

Features

Input Clock, Crystal
Number of Circuits 1
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Top 12

CFTGIW Signal Generator Clock Splitter for Electronics Hobbyists

CFTGIW
CFTGIWb5yomq12s7

Ratings for CFTGIW (CPR Score)

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Yesyesta - ❌ ❌ ❌

Features

[UNMATCHED FREQUENCY RANGE] Experience the unparalleled capability of the CJMCU-5351 Clock Splitter Signal Generator, designed to deliver precise frequencies from as low as 8KHz to a remarkable 160MHz, making it an essential tool for your electronic projects.
[VERSATILE OUTPUT OPTIONS] This state-of-the-art clock generator features three independent outputs, empowering you to create different frequencies simultaneously. With easy connections via a breadboard-friendly plug or optional SMA connector, achieving powerful 3Vpp signals has never been easier.
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Top 13

(1PC) IDT5V49EE901NLGI Clock Generator, Multiplexer IC 500MHz 1 32-VFQFN Exposed Pad

Rizees
IDT5V49EE901NLGI

Ratings for Rizees (CPR Score)

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RIZEES ELECTRON - ❌ ❌ ❌

Features

DigiKey Programmable Not Verified
Type Clock Generator, Multiplexer
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Top 14

Microchip Technology, PL500-17SC, Clock Generator 17MHz to 36MHz in - 8-Pin SOP - Tube (10 Item/s)

Generic
PL500-17SC

Ratings for Generic (CPR Score)

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Components eStore - ❌ ❌ ❌
Top 15

Keenso SI5351 Clock Signal Generator with Wide Frequency Range

Keenso
Keensog9tdse8jlf

Ratings for Keenso (CPR Score)

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Xuheelivi-US - ❌ ❌ ❌

Features

[WIDE FREQUENCY RANGE] Experience unparalleled versatility with the SI5351 Clock Signal Generator, offering an impressive output frequency range from 2.5K to 200MHz. This stable and reliable generator ensures signal production perfect for various applications, from audio projects to communication setups.
[ROBUST CONSTRUCTION] Designed for longevity, our clock signal generator features a durable PCB and a 1.6mm thick double-sided board. This construction not only enhances performance but also ensures efficient heat dissipation, allowing for extended, uninterrupted operation without overheating.
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Top 16

Microchip Technology, DSC557-0334FI1, Crystal-Less Two Output PCIE Clock Generator - 460MHz - CMOS (5 Item/s)

Generic
DSC557-0334FI1

Ratings for Generic (CPR Score)

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Components eStore - ❌ ❌ ❌
Top 17

Microchip Technology, PL611S-19-A18GI, Clock Generator - 1MHz to 125MHz in - 125MHz Out - 6-Pin DFN EP (1 Item/s)

Generic
PL611S-19-A18GI

Ratings for Generic (CPR Score)

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Components eStore - ❌ ❌ ❌
Top 18

CJMCU 5351 Si5351A Clock Signal Generator Breakout Board Compatible with Adafruit - 8KHz to 160MHz Programmable Three Channel Frequency Generator - 3V to 5V DC Power Input - I2C

Klanata

Ratings for Klanata (CPR Score)

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Klanata - ❌ ❌ ❌

Features

Wide Frequency Range: This Si5351A clock generator utilizes an internal PLL and frequency divider to produce output frequencies ranging from 8KHz up to 160MHz.
Accurate Reference Source: The breakout board features an integrated 25MHz crystal reference voltage source to drive internal clock dividers for signal generation via I2C instructions.
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Top 19

1 Pcs Clock Generator/Frequency Synthesizer/PLL PI6C557-05BLE PI6C557-05BLE TSSOP-20

Generic

Ratings for Generic (CPR Score)

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Fugui Shen - ❌ ❌ ❌

Features

1 Pcs Clock Generator/Frequency Synthesizer/PLL PI6C557-05BLE PI6C557-05BLE TSSOP-20
Top 20

NTE NTE8224 16-Lead, Clock Generator/Driver, DIP, Logic IC

NTE
1.0 x 0.5 x 1.0 Inches
0.05 Pounds

Ratings for NTE (CPR Score)

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Radwell International - ❌ ❌ ❌

Features

16-LEAD
CLOCK GENERATOR / DRIVER
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Top 21

Microchip Technology, ZL30156GGG2, Universal Rate Adapting Synchronous Clock Generator - 1kHz to 750MHz - 100-CABGA - 4LVPECL/4LVCMOS (1 Item/s)

Generic
ZL30156GGG2

Ratings for Generic (CPR Score)

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Components eStore - ❌ ❌ ❌
Top 22

1 Pcs Clock Generator/Frequency Synthesizer/PLL PI6LC48H02LIE PI6LC48H02LIE TSSOP-16

Generic

Ratings for Generic (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
NaSuParts - ❌ ❌ ❌

Features

1 Pcs Clock Generator/Frequency Synthesizer/PLL PI6LC48H02LIE PI6LC48H02LIE TSSOP-16
Top 23

Eujgoov AD9910 DDS Module 1GSPS Sampling Rate Frequency Signal Generator Automatic Scanning 8 Modulation Modes

Eujgoov

Ratings for Eujgoov (CPR Score)

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hafanpp - ❌ ❌ ❌

Features

[Powerful Control] : The ad9910 module completely controls io external connections, ideal for comprehensive functionality and secondary development.
[Easy to Use] : Comes with a demo program based on for simple ad9910 control and seamless integration.
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Top 24

1 Pcs Clock Generator/Frequency Synthesizer/PLL PL611-01-F93TC PL611-01-F93TC SOT-23-6L

Generic

Ratings for Generic (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Fugui Shen - ❌ ❌ ❌

Features

1 Pcs Clock Generator/Frequency Synthesizer/PLL PL611-01-F93TC PL611-01-F93TC SOT-23-6L
Top 25

Microchip Technology, DSC557-0344FL1, Crystal-Less Two Output PCIE Clock Generator - 460MHz - CMOS (5 Item/s)

Generic
DSC557-0344FL1

Ratings for Generic (CPR Score)

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Components eStore - ❌ ❌ ❌
Top 26

Abracon, AB-557-03-HCHC-F-L-C-T, SMD Clock Generator - Dual Output - HCSL & HCSL - 100 MHz ±50ppm - 14-QFN - Tape&Reel (50 Item/s)

Generic

Ratings for Generic (CPR Score)

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Components eStore - ❌ ❌ ❌
Top 27

ABLIC S-35390A-J8T1G 8-SOIC, Clock/Calendar, Clock Format: HH:MM:SS, IC Type: Generator, Date Format: YY-MM-DD-DD, Features: Alarm/LEAP Year, IC, Interface Type: I2C, ROHS Compliant

ABLIC
S-35390A-J8T1G
7.0 x 4.0 x 7.0 inches
0.01 Pounds

Ratings for ABLIC (CPR Score)

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Radwell International - ❌ ❌ ❌

Features

8-SOIC
CLOCK / CALENDAR
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Top 28

1 Pcs Clock Generator/Frequency Synthesizer/PLL PI6C557-03BLEX PI6C557 03BLEX TSSOP-16

Generic

Ratings for Generic (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Fugui Shen - ❌ ❌ ❌

Features

1 Pcs Clock Generator/Frequency Synthesizer/PLL PI6C557-03BLEX PI6C557 03BLEX TSSOP-16
Top 29

CHUANGYEIC 1PC FS6377-01G-XTP IC PLL Clock Generator 16SOIC

CHUANGYEIC

Ratings for CHUANGYEIC (CPR Score)

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SHUNDEXINCHIP - ❌ ❌ ❌
Top 30

Si5351A Si5351 I2C IIC High Frequency Clock Signal Generator Board 4PCS

LETORIA

Ratings for LETORIA (CPR Score)

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VIGORPOW STORE - ❌ ❌ ❌

Features

Precision Frequency Generation: The Si5351A clock module features a precision 25MHz crystal reference together with internal PLL and dividers to produce flexible output frequencies ranging from below 8KHz to over 150MHz.
I2C Controlled Configuration: The Si5351A clock generator module works as an I2C controllable clock generator. It leverages the onboard precise clock source to manage multiple PLLs and clock dividers through I2C commands.
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Top 10 Clock Generators - Verified to Buy (October 2026)

Top 10 Clock Generators Brands on Amazon

Here is the list of top-rated brands that were evaluated by CherryPicks.

  • JESSINIE
  • YOURRYONG
  • GODIYMODULES
  • Generic
  • MakerCircuit
  • plplaaoo
  • CHUANGYEIC
  • Reland Sung
  • Rizees
  • CFTGIW

Top 4 Clock Generators Sellers: CPR Seller Rank List

CPR sellers rank is based on CherryPicks-AI bestselling ranking system that helps us analyze each seller's sales trends. The List of top seller ranks is our in-house data, essential for our product ranking to help you make the right shopping choice.

Rank Name Yearly Feedbacks Avg. Ratings
🥇 Xuheelivi-US 585 4.6
🥈 Radwell International 500 4.1
🥉 Reland 407 4.2
4 RIZEES ELECTRON 59 4.8
View or download top Clock Generators seller & rating report
Xuheelivi-US [585] Radwell International [500] Reland [407] RIZEES ELECTRON [59] Xuheelivi-US 38% Radwell International 32% Reland 26% RIZEES ELECTRON 4%

[Get] Clock Generators Deals (✅Exclusively for Prime)

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When you order a product that is "Amazon Fulfilled," Amazon takes care of the storage, packing, shipping, and customer service for that product. This often ensures quicker delivery and better customer service compared to products that are not fulfilled by Amazon. It also means that the product is eligible for Amazon's return policy.

What does "Prime" Mean?

"Prime" refers to Amazon Prime Member (Join Amazon Prime Now), which indicates eligibility for Prime benefits. When you see "Prime" next to a product on Amazon, This generally means that if you are  an Amazon Prime member, you can get free two-day shipping on that product, and sometimes even same-day or one-day shipping depending on your location.

Prime members also have access to other benefits, including 2-Day Shipping, Exclusive Member Deals, Prime Video, Buy With Prime, Amazon Music, Prime Gaming, and more.

Shop Prime Clock Generators Deals

What does "Free Shipping" Mean?

"Free Shipping" means that you will not be charged additional fees for the shipping of that product. However, unlike "Prime," which usually guarantees fast two-day shipping, "Free Shipping" doesn't necessarily mean fast shipping.

Sometimes there might be a minimum purchase requirement to qualify for free shipping if you are not a Prime member. For Prime members, the "Free Shipping" usually refers to the free two-day shipping that is one of the benefits of the Prime membership.


Why Should You Trust Us?

Now hundreds and thousands of Industrial Electrical supplies are available on Amazon, Picking the right one is not easy, and that may take a lot of your time, Right? and What is the best Clock Generators to buy for new October 2026?

CherryPicks’s Methodology for Evaluating Clock Generators

We developed the CherryRatings-AI system to identify and score reviews and the CherryPicks-AI ranking system that uses TensorFlow framework to generate the best list, It will help us evaluate Industrial Electrical items that sell on Amazon. The score of items is based on over ten parameters such as analyzing customer review content, product reviewing rating statistics, brand reputation evaluation, comparing product price with features, etc, You can visit How We Rank to learn more in detail.

We collected and analyzed 306 of Clock Generators reviews based on our selection criteria. It helped us shortlist the top qualified and rated Clock Generators for Industrial Electrical, We found that most customers choose Clock Generators with an average price of $39.75, and the top brands are Generic, Keenso, Eujgoov, plplaaoo, Reland Sung And Rizees. 

Then our expert-level editors reviewed all those quality items and selected the top 30 Clock Generators for you, We have researched hundreds of sellers and picked the top sellers for Industrial Electrical, including Xuheelivi-US, Radwell International, Reland And RIZEES ELECTRON. The JESSINIE Si5351A 3-Channel Clock Signal Generat... are available for purchase right now, and The seller of #1 rank product has received honest feedback from 2 consumers with an average rating of 5.0.

We've helped a lot of satisfied users get the right Industrial & Scientific product based on their needs, and save lots of time for them to pick Clock Generators to buy.


Written By Thomas Joseph

Thomas Joseph has over 7 years of working experience with a reputation science laboratory. He is a father, a writer, and a pet lover. He would be sharing his expert knowledge on Industrial and scientific equipment to help us make the right purchase.