The Apem AC3535 Standard Membrane Keypad is a high-quality matrix keypad featuring 16 pressure pad...The Apem AC3535 Standard Membrane Keypad is a high-quality matrix keypad featuring 16 pressure pads. It has a flat, flexible surface with outlines and symbols printed on it. The keypad includes clear windows with a silver perimeter embossing and border on a black background, along with four inserts featuring black graphics on a silver background. It has a female 2.54 mm pitch 8-way connector. Specifications include a maximum temperature of +55 °C, a minimum temperature of -30 °C, a nominal current of 100 mA, and a nominal voltage of 30 V. The print motif includes A-F and numbers 0-9, along with control keys. The product dimensions are 95 mm in length and 95 mm in width. Key features include self-adhesive backing and a label patch.
The APEM AC3535 Standard Membrane Keypad is designed for users needing a durable and versatile input solution, offering a 4x4 matrix for clear and reliable data entry. Its key benefit is the flexible, flat design with printed symbols and self-adhesive backing for easy integration. A potential consideration is its operation within a limited temperature range.
All features
Brand
APEM
Extended Product Information
FAQs
What is the operating temperature range for the AC3535 keypad?
The APEM AC3535 Standard Membrane Keypad operates within a temperature range of -30 °C to +55 °C.
How is the keypad mounted?
The keypad features a self-adhesive backing for easy and secure mounting onto a clean, flat surface.
What type of connector does it use?
It uses a female 2.54 mm pitch 8-way connector.
What are the dimensions of the keypad?
The product dimensions are 95 mm in length and 95 mm in width.
Can I use this keypad in a very cold or hot environment?
The keypad is rated for -30 °C to +55 °C. Operation outside this range may affect performance or cause damage.
What is the maximum voltage and current rating?
The nominal current is 100 mA and the nominal voltage is 30 V.
What characters are printed on the keypad?
The print motif includes A-F, numbers 0-9, along with control keys.
Troubleshooting
Keypad not responding
Ensure the 8-way connector is securely plugged in. Verify that the control system is providing the correct voltage (30 V) and current (100 mA). Check for any physical damage to the keypad or connector.
Specific keys are intermittent
Inspect the area around the specific keys for any debris or foreign material. Ensure the mounting surface is flat and not causing uneven pressure. If the issue persists, the keypad may need replacement.
Printing is fading or damaged
Avoid using harsh cleaning agents. Clean only with a slightly damp, soft cloth. Significant damage to printing indicates wear and tear, and the keypad may need to be replaced.
Pros and Cons
Pros
Flexible and low-profile design for easy integration.
Clear printing of symbols and numbers aids usability.
Self-adhesive backing simplifies installation.
Robust construction for reliable performance.
Cons
Limited to a maximum operating temperature of +55 °C.
Requires a specific voltage and current for operation (30 V, 100 mA).
Not suitable for harsh environments with extreme temperatures.
Setup, Compatibility & Care
Setup:
Identify a clean, dry, and flat surface for mounting.
Peel off the protective backing from the self-adhesive side.
Carefully align the keypad and press firmly onto the chosen surface to ensure a secure bond.
Connect the 8-way female connector to the corresponding male connector on your control system.
Compatibility:
The keypad uses a standard 2.54 mm pitch connector, ensuring compatibility with many common electronic prototyping boards and connectors.
Ensure your control system can provide the nominal voltage of 30 V and handle a nominal current of 100 mA.
Check that the operating environment falls within the specified temperature range of -30 °C to +55 °C.
Care:
To clean, use a soft, damp cloth. Avoid abrasive cleaners or solvents, as they may damage the printed symbols.
Do not immerse the keypad in water.
Protect the surface from sharp objects or excessive pressure to maintain the integrity of the membrane.