HEATH ZENITH ETW-3300A Laboratory Breadboard

( Brand: Heath Zenith ), ( Manufacturer Part Number: ETW-3300A ), ( Country Of Origin: United States )

Review HEATH ZENITH Vintage Laboratory Breadboard

Introducing the Heath Zenith ETW-3300A Laboratory Breadboard, a must-have tool for any electronics hobbyist, student, or professional working in the field of electronics design and prototyping. This versatile and high-quality breadboard is designed to accommodate a wide range of components and circuits, making it an essential piece of equipment in any lab or workbench.

The ETW-3300A Laboratory Breadboard boasts a generous size of 16.5 inches by 9.5 inches, providing ample space for even the most complex circuits. It features a total of 31 rows, with the first 25 rows able to accommodate dual-in-line (DIL) components, and the last six rows designed for mini-DIL and other smaller components. The board also includes a power bus system, allowing you to easily connect power supplies to your circuit.

Each row on the Heath Zenith ETW-3300A Laboratory Breadboard includes a metal tab, which helps to provide a strong electrical connection between your components and the power and ground buses. The board also includes a numbered grid system, making it easy to keep track of your component placement and wiring.

The ETW-3300A is made from high-quality, fire-resistant material, ensuring safety and durability. It also includes a removable power jacket, which can be used to house and protect power supplies and other large components. The breadboard is also compatible with a wide range of accessories, such as power supplies, function generators, and oscilloscopes, making it a versatile and flexible tool for a variety of applications.

In summary, the Heath Zenith ETW-3300A Laboratory Breadboard is a high-quality, versatile, and essential tool for anyone working in the field of electronics design and prototyping. Its generous size, robust design, and compatibility with a wide range of components and accessories make it an indispensable addition to any lab or workbench.

The HEATH Zenith ETW-3300A Laboratory Breadboard is a popular choice among electronics hobbyists and engineers due to its robust design and extensive features. Here are some pros and cons to help you make an informed decision about purchasing this breadboard:

1. Size: The ETW-3300A is a large double-sided breadboard with a total area of 12 inches by 9 inches. This ample space allows for building complex circuits with multiple components.

2. Versatility: It has a mix of various pad types, including power rails, test points, and signal and power buses. This versatility makes it suitable for a wide range of projects.

3. Durability: The breadboard is made of heavy-duty phenolic material, ensuring that it can withstand repeated use and handling.

4. Grounding system: The breadboard features a comprehensive grounding system with multiple grounding buses and grounding clips, ensuring a stable power supply and proper grounding for your circuits.

5. Cost-effective: The ETW-3300A is a cost-effective option for those who require a large, durable breadboard for their projects.

1. Complexity: Due to its large size and numerous features, the ETW-3300A may be more intimidating for beginners who are just starting out with electronics projects.

2. Weight: The heavy-duty phenolic material makes the breadboard quite heavy, which can be a disadvantage for those who need to transport their projects frequently.

3. Limited mounting options: The breadboard does not come with any mounting options, so you would need to find alternative solutions if you plan on mounting it to a surface.

The HEATH Zenith ETW-3300A Laboratory Breadboard offers a large, versatile, and durable platform for building complex circuits. Its extensive features, such as power rails, test points, and multiple grounding buses, make it a valuable tool for electronics hobbyists and engineers. However, its size and weight may make it less suitable for beginners or those who need to transport their projects frequently.

If you are an electronics hobbyist or engineer working on complex projects that require a large breadboard, the HEATH Zenith ETW-3300A is an excellent choice due to its durability, versatility, and cost-effectiveness. However, if you are a beginner or need a more portable option, you might want to consider a smaller and lighter breadboard.

Details:

Only items included in pictures are the sale. Tested and Working. This item was pulled from a working environment. Please look at all photos before purchasing.

part #: etw3300a price

• $109.99

specifications vintaelec:

• brand: Heath Zenith
• mpn: Etw-3300a
• country of origin: United States

shipping vintaelec:

• service: UPS Ground
• transit: 5-10 Days
• carrier: UPS
• type: Fixed
• cost: $20.00
• class: Standard

seller vintaelec:

• # reviews: 9592
• rating: 99.3%
• city: San Diego, California

general vintaelec:

• Consumer Electronics > Vintage Electronics > Other Vintage Electronics
• condition: Used

offer vintaelec:

• started: November 7, 2025
• quantity: 1
• best offers: True
• sold: 0
• options: Ship-to-home
• availability: In Stock

returns vintaelec:

• time: 30 Days
• paid by: Seller
• method: Money back
• policy: Returns Accepted

payments vintaelec:

• credit card: Mastercard
• wallet: Apple-pay
• other

Heath Zenith ETW-3300A Is Similar To:

• 03639 Heath Vintage Intrusion Alarm Assembly Kit (38% similar) I cannot guarantee anything as can not test it. I opened it so you can see the board. Here is a clean nice looking unit. But it is a Heath so can be repaired. This is a vintage unit that was taken out of service and stored away in cabinet...(November 27th, 2018)
• Eu 41a Heath Vintage Eu-41a (38% similar) Vintage Heath EU-41A solid state low voltage power supply: up for offer is a physical condition: this unit has scuffs and scratches on it from average use. Unit has a dent on right side see photos. Testing: this unit powers on as shown in photos and was tested to power only...(June 5th, 2017)
• Euw-19a Heath Vintage Kit Operational Amplifier System Tube Based (41% similar) See my other offers for more of these and some Heath kit power supplies. Its in good condition but is missing its tubes. I'm sure its not been used in decades. Its untested, probably should be brought up slowly on a Mauriac to reform the power supply capacitors. It could be used as an analog ...(June 5th, 2019)
• Gc-1094 Heathkit Vintage Heath Woodgrain Clock For Parts Or Repair (35.6% similar) Because this item is used as-is it will show minimum to moderate cosmetic wear and may have some noticeable dents, scratches, scuffs, sticker residue, dust, other. Please see photos for what is included in this sale. Please for total cost before purchase. Please prior to purchase if a PO. As-is ...(May 7th, 2018)
• Gd-1021 Heathkit Vintage Heath Photo-electric (41.2% similar) For consideration is this vintage heat Heath kit model Gd 1021 photoelectric relay kit...(August 2nd, 2017)
• Gd-57 Heathkit Vintage Heath Multi (41.9% similar) See pictures to assess the condition of this prior buying. So the model number in back cover is GD-57 series no. Condition: this looks to be a well taken care of controller, I have not tested it as don't the knowledge or tools properly diagnose working capacity thing. About : I m a special education...(August 5th, 2017)
• Ib-2a Heathkit Estate Vintage Impedance Bridge Model Heath Company (47.5% similar) Don't miss out on this rare treat...(August 6th, 2018)
• Io-12 Heathkit Heath Model Laboratory (40.4% similar) Time to let it go. Fully operational as seen in the photos. The line cord has been replaced as original showed cracks. Horizontal channel controlled by either the internal time base or external input. Z input blanking terminal is available inside rear cover. Looking for a new home. This Heath kit ...(October 7th, 2017)
• Sg-1271 Zenith Heath Function Generator (35.2% similar) What you see is exactly will get. Performance characteristics of the SG-1271 form factor bench top number channels 1 ch waveform sine, square, etc...(February 22nd, 2018)
• Sg-1274 Heath Zenith Sweep Function (39.1% similar) A frequency span from. Its easy to use, rugged design and high quality components ensure long dependable service...(September 15th, 2017)
• Sg-8 Heath Company Vintage Heathkit Signal Generator Model Radio Frequency Clean (42.4% similar) By purchasing this item, you are agreeing to take photos of the item and box if it arrives damaged. It is very obvious that this unit either got little use or was extremely well maintained. On the handle there is a tiny dent right-side edge. It is no less than 90 immaculate. Many of the items I sell...(April 30th, 2018)