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

At a Glance: Our Top Picks

Top 1

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

9.7
CPR Score
Top 2

(2PCS) PLL1700EG/2K PLL Multi-Clock Generator IC 36.87MHz 1 20-SSOP (0.209", ...

9.7
CPR Score
Top 3

2 Pcs Clock Generator/Frequency Synthesizer/PLL CD4046BNSR CD4046BNSR SO-16-2...

9.6
CPR Score
Tips


Based on our evaluations of 306 Clock Generators and the analysis of over 133 consumer satisfaction reviews, We have rank top 24 Best Clock Generators reviews of different brands, such asGeneric, HiLetgo, Teyleten Robot, plplaaoo, Rizees And Reland Sung.

* 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
Clock Generators Reviewed
  • Reviews Analyzed: 133 Items
  • CPR Avg. Rating: 8.7 / 10
24 Products Evaluated
  • Highest Price: $28.56
  • Lowest Price: $3.00
  • Avg. Price: $12.47
Price Disclaimer

Top 24 Clock Generators on Amazon (Verified You can Buy)

Top 1

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

Generic

Ratings for Generic (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
YuwParts -

Features

SI5351 5351B Si5351B Clock Signal Generator Module I2C Programmable 27MHz + VCXO
Top 2

(2PCS) PLL1700EG/2K PLL Multi-Clock Generator IC 36.87MHz 1 20-SSOP (0.209", 5.30mm Width)

Rizees
PLL1700EG/2K

Ratings for Rizees (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
RIZEES ELECTRON -

Features

Ratio - Input:Output 1:6
Differential - Input:Output Yes/No
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Top 3

2 Pcs Clock Generator/Frequency Synthesizer/PLL CD4046BNSR CD4046BNSR SO-16-208mil

Generic

Ratings for Generic (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Fugui Shen -

Features

2 Pcs Clock Generator/Frequency Synthesizer/PLL CD4046BNSR CD4046BNSR SO-16-208mil
Top 4

2.5KHz-200MHz SI5351 Clock Signal Generator Square Wave Signal Source W OLED Digital Display Type‑C Powered

Generic
200MHz SI5351 Clock Signal Generator

Ratings for Generic (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Dykbmeterd -

Features

Wide Adjustable Frequency Range from 2.5 kHz to 200 MHz Two user‑programmable outputs (K1 and K2) cover 2.5 kHz – 200 MHz, providing a versatile square‑wave source for clocking digital circuits, RF experiments, and general lab testing. The third output (K0) delivers the onboard crystal frequency as a fixed reference.
Three Independent SMA Outputs for Flexible System Integration Features three SMA‑female ports: K0 (fixed crystal frequency), K1, and K2 (both user‑adjustable). Use them simultaneously – for example, as a reference clock, a variable local oscillator, and a test signal – without external splitters.
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Top 5

5PCS MAX9485EUP+T IC Clock Generator 20TSSOP

CHUANGYEIC

Ratings for CHUANGYEIC (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
SHUNDEXINCHIP -

Features

Part NO.:MAX9485EUP+T
Frequency - Max 73.728MHz
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Top 6

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)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Radwell International -

Features

16-LEAD
CLOCK GENERATOR / DRIVER
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Top 7

(2PCS) PLL1705DBQ PLL Multi-Clock Generator IC 36.87MHz 1 20-SSOP (0.154", 3.90mm Width)

Rizees
PLL1705DBQ

Ratings for Rizees (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
RIZEES ELECTRON -

Features

Input CMOS, Crystal
Number of Circuits 1
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Top 8

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

Generic

Ratings for Generic (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
NaSuParts -

Features

1 Pcs Clock Generator/Frequency Synthesizer/PLL SI5351A-B-GTR SI5351A-B-GTR MSOP-10
Top 9

2 Pcs Clock Generator/Frequency Synthesizer/PLL CD4046BE CD4046BE PDIP-16

Generic

Ratings for Generic (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Fugui Shen -

Features

2 Pcs Clock Generator/Frequency Synthesizer/PLL CD4046BE CD4046BE PDIP-16
Top 10

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)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
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 11

(1PC) NBC12430FNG PLL Clock Generator IC 800MHz 1 28-LCC (J-Lead)

Rizees
NBC12430FNG

Ratings for Rizees (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
RIZEES ELECTRON -

Features

Input CMOS, TTL, Crystal
Differential - Input:Output No/Yes
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Top 12

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

YOURRYONG

Ratings for YOURRYONG (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Yourryong -

Features

5PCS CJMCU-5351 Si5351A Si5351 Clock Generator Signal Generator Clock
Top 13

(1PC) MPC9229AC Clock/Frequency Synthesizer, Clock Generator IC 400MHz 1 32-LQFP

Rizees
MPC9229AC

Ratings for Rizees (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
RIZEES ELECTRON -

Features

Frequency - Max 400MHz
Divider/Multiplier Yes/No
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Top 14

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

Rizees
IDT5V49EE901NLGI

Ratings for Rizees (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
RIZEES ELECTRON -

Features

DigiKey Programmable Not Verified
Type Clock Generator, Multiplexer
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Top 15

1PC MPC9992ACR2 IC PLL Clock Generator 32TQFP

CHUANGYEIC

Ratings for CHUANGYEIC (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
SHUNDEXINCHIP -

Features

Part NO.:MPC9992ACR2
Frequency - Max 400MHz
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Top 16

(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)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
RIZEES ELECTRON -

Features

Input Clock, Crystal
Number of Circuits 1
Show More
Top 17

DiGiYes Si5351 I2C IIC 8KHz-160MHz High Frequency Signal Generator Breakout Board, DC3.3-5V Square Wave Frequency Generator Board Module for Arduino

DiGiYes
EMD_31J
1.18 x 0.86 x 0.19 inches

Ratings for DiGiYes (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
DiGiYes-US -

Features

This chip has a precision 25MHz crystal reference and internal PLL and dividers.
The Si5351 is a versatile I2C programmable clock generator that is ideally suited for replacing crystals, crystal oscillators, VCXO, PLLs, and buffers.
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Top 18

HiLetgo Si5351 Si5351A I2C IIC High Frequency Signal Generator Square Wave Frequency Generator 3.3-5V 8KHz -160MHz for Arduino

HiLetgo

Ratings for HiLetgo (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
HiLetgo 5,476

Features

This chip has a precision 25MHz crystal reference and internal PLL and dividers
It can generate just about any frequency, from <8KHz up to 150+ MHz.
Show More
Top 19

Teyleten Robot Si5351A Si5351 5351 8KHz -160MHz High Frequency Signal Generator Breakout Board DC3.3-5V Square Wave Frequency Generator Board Module I2C for Arduino (3pcs)

Teyleten Robot
1.2087 x 0.8504 x 0.0787 inches

Ratings for Teyleten Robot (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Teyleten Robot-US -

Features

The chip has a precise 25MHz crystal reference and an internal PLL and divider.
It can generate almost any frequency, from <8KHz to 150+ MHz.
Show More
Top 20

GRI 120T-12-B

GRI

Ratings for GRI (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
vCloud Choice -
Top 21

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)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
Reland -

Features

Reland Sung
Top 22

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)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
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 23

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

Generic
1212

Ratings for Generic (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
YingParts -

Features

DC 3V-5V -5351 Si5351A Si5351 Clock Generator Breakout Board Module Signal Generator Clock 8KHz-160MHz For Arduino
Top 24

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

GODIYMODULES

Ratings for GODIYMODULES (CPR Score)

Seller CPR Rank Amazon Fulfilled Prime Free Shipping
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.
Show More

Top 10 Clock Generators - Verified to Buy (September 2026)

Top 10 Clock Generators Brands on Amazon

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

  • Generic
  • Rizees
  • CHUANGYEIC
  • NTE
  • JESSINIE
  • YOURRYONG
  • DiGiYes
  • HiLetgo
  • Teyleten Robot
  • GRI

Top 6 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
🥇 HiLetgo 12,147 4.8
🥈 Teyleten Robot-US 1,523 4.7
🥉 vCloud Choice 503 4.2
4 Radwell International 483 4.1
5 Reland 398 4.2
6 RIZEES ELECTRON 58 4.8
View or download top Clock Generators seller & rating report
HiLetgo [12147] Teyleten Robot-US [1523] vCloud Choice [503] Radwell International [483] Reland [398] RIZEES ELECTRON [58] HiLetgo 80% Teyleten Robot-US 10% vCloud Choice 3% Radwell International 3% Reland 3% RIZEES ELECTRON 0%

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

What does "Amazon Fulfilled" Mean?

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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 ShippingExclusive Member DealsPrime VideoBuy With PrimeAmazon MusicPrime Gaming, and more.

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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 September 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 $12.47, and the top brands are Generic, HiLetgo, Teyleten Robot, plplaaoo, Rizees And Reland Sung

Then our expert-level editors reviewed all those quality items and selected the top 24 Clock Generators for you, We have researched hundreds of sellers and picked the top sellers for Industrial Electrical, including HiLetgo, Teyleten Robot-US, vCloud Choice, Radwell International, Reland And RIZEES ELECTRON. The SI5351 5351B Si5351B Clock Signal Generator Mod... are available for purchase right now, and The seller of #1 rank product has received honest feedback from 1 consumers with an average rating of 1.0.

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.