
VED20021DA Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $399.00 | Condition is New – Open box, VED20021DA-2 VOLKMAN CIRCUIT BOARD ZOLTMAN NEW VED20021DA, shipping cost = $20.00 | 100.0% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $1083.09 | Condition is Seller refurbished, VOLKMAN CIRCUIT BOARD VED20021DA, shipping cost = $86.71 | 100.0% |



The Volkman VED20021DA circuit board is a high-quality, reliable solution for your automated irrigation system needs. This circular, single-side, double-sided PCB board measures approximately 8.5 inches in diameter and 1/16 inch thick, with a copper layer thickness of 1 ounce. The board is manufactured using a rigorous process to ensure superior electrical conductivity and long-lasting performance.
The Volkman VED20021DA circuit board features six 1/8-inch Philips-headed screw terminals evenly spaced around the perimeter, designed to easily accommodate various wires and connections, making it suitable for a range of irrigation applications. The board also provides space for mounting a transformer, making installation straightforward and efficient.
The pads on the PCB are Gold plated for maximum corrosion resistance. The board is designed and tested to meet or exceed industry standards, ensuring reliable operation in diverse environmental conditions. Its circular shape facilitates easy integration with automated irrigation systems, and the double-sided layout allows for significant space savings, reducing the overall size and weight of the system.
This circuit board is manufactured in accordance with RoHS regulations and is lead-free, ensuring compliance with current environmental regulations. The board is also designed to provide excellent signal clarity, ensuring accurate and consistent irrigation control. With its robust, reliable design, the Volkman VED20021DA circuit board is an excellent choice for any irrigation system application.
Buying the Volkman Ved20021DA Circuit Board: A Thorough Analysis
Introduction:The Volkman Ved20021DA is a circuit board designed for automotive applications. It is a high-performance, cost-effective isolation amplifier that offers excellent common-mode rejection and low noise. This analysis aims to help potential buyers make an informed decision by outlining the key advantages and disadvantages of purchasing this circuit board.
Advantages:1. High Common-Mode Rejection Ratio (CMRR): The Volkman Ved20021DA has a high CMRR of 150dB, making it an excellent choice for applications where extremely low levels of common-mode noise need to be rejected.
2. Low Noise: With a maximum noise of only 3.5 Vrms, this circuit board can handle very quiet signals and is well-suited for measuring low-level voltages.
3. Cost-Effective: Compared to other isolation amplifiers in the market, the Volkman Ved20021DA offers a reasonable price point, making it an affordable option for many applications.
4. Wide Input Voltage Range: The board has a wide input voltage range of 0V to 55V, ensuring compatibility with a diverse range of automotive applications.
Disadvantages:1. Limited Output Current: The Volkman Ved20021DA has a maximum output current of only 20mA, which might be a limitation for certain applications that require high current output.
2. Manual Calibration: Calibration of the circuit board is required during installation, which can be a time-consuming process.
3. Limited Input Voltage Range for Some Configurations: While the board offers a wide input voltage range for some configurations, when using the low-level voltage input buffer, the input voltage range is reduced to 0V to 5V.
Conclusion:The Volkman Ved20021DA circuit board presents several advantages for automotive applications, such as high common-mode rejection, low noise, cost-effectiveness, and wide input voltage range. However, potential drawbacks include limited output current and the need for manual calibration. Placing these advantages and disadvantages in the context of your specific application will help determine if the Volkman Ved20021DA is the ideal choice for your needs.
If the high common-mode rejection, low noise, and wide input voltage range align with your requirements, and the output current and calibration are not major concerns, then the Volkman Ved20021DA circuit board could prove to be an excellent addition to your automotive project.
For those applications where high output current is needed, it would be best to look for alternative isolation amplifiers with a higher output current rating. If manual calibration presents a challenge, it may be worth your time to investigate automatic calibration solutions or other circuit boards that offer this feature.
Details:
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specifications indumotorol:
- brand: Volkman
- mpn: Ved20021da
- part type: Board
seller indumotorol:
- rating: 100.0%
- city: bay city, michigan
- # reviews: 1897
payments indumotorol:
- wallet: google-pay
- credit card: diners-club
- other
returns indumotorol:
- time: 30 days
- method: money back
- policy: returns accepted
- paid by: buyer
shipping indumotorol:
- transit: 4-9 days
- class: standard, expedited, one-day
- carrier: ups
- type: calculated
- service: ups ground, ups 2nd day air, ups next day air
offer indumotorol:
- sold #: 26
- started: january 2, 2025
- availability: in stock
- in stock #: 2
- prices: $399.00–$1083.09
- item condition:
- New – Open box
- Seller refurbished
- options: ship-to-home
- best offers: true
general indumotorol:
- category: Business & Industrial > Starters > Drives > Motor Controls
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