Custom 8B35 Polycarbonate Lexan PCB Board Designer For Lighthouse Device
Here's a detailed description of using Lexan (polycarbonate) as the material for a PCB (Printed Circuit Board):
Lexan PCB Board Overview:
Lexan, a type of polycarbonate plastic, is an alternative material to the more commonly used FR-4 (fiberglass-reinforced epoxy) for manufacturing PCB boards. Lexan offers several distinct advantages that make it a suitable choice for specific applications.
Key Features and Benefits:
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Durability and Impact Resistance:
- Lexan is known for its exceptional impact and shatter resistance, making it highly durable and able to withstand physical stress or accidental impacts.
- This property makes Lexan PCBs well-suited for industrial, military, or other rugged applications where the board may be subjected to harsh environments or potential drops.
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Thermal Resistance:
- Lexan has a relatively high continuous-use temperature range, typically around 120°C to 135°C, making it suitable for applications where the PCB may be exposed to elevated temperatures.
- This thermal resistance can be beneficial for PCBs that generate substantial heat during operation, though additional cooling solutions may be required due to Lexan's lower thermal conductivity compared to FR-4.
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Electrical Insulation:
- Lexan exhibits excellent dielectric properties, providing effective electrical insulation for the copper traces and components on the PCB.
- This helps to prevent short circuits and maintain the overall electrical integrity of the circuit.
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Transparency and Aesthetics:
- The transparent nature of Lexan can be advantageous in applications where visibility of the PCB components is desirable, such as for prototyping, testing, or diagnostic purposes.
- This transparency can also contribute to a unique and visually appealing design for the PCB.
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Chemical Resistance:
- Lexan demonstrates good resistance to a wide range of chemicals, including acids, bases, and solvents, making it suitable for applications where the PCB may be exposed to various chemical agents or cleaning solutions
| Environmental | Operating Temperature | -40°C to +80°C (-40°to 176°F) | | | Storage Temperature | -40°C to +85°C (-40°to 185°F) | | | Humidity | 40°C, 90% to 95% for 240 hours | | | Vibration | 20G's max. | | Mechanical | Actuation Force | Non-tactile 60g to 300g (2oz to 10oz) | | | | Tactile 150g to 400g (6oz to 14oz) | | | Switch Stroke | Non-tactile 0.1 to 0.5mm | | | Life Expectancy | Tactile 0.6 to 1.5mm | | | | Non-tactile >5 million actuations | | | | Tactile >1 million actuations | | Electrical | Operating Voltage | 35 volts maximum | | | Operating Current | 10 micro amps to 100 milliamps, resistive | | | Operating Power | 1 watt maximum | | | Circuit Resistance | 10 ohms to 500 ohms, dependent on size and layout | | | Insulation Resistance | 100M ohms at 100V DC | | | Dielectric Withstand | >250 VRMs (50-60Hz 1 minute) | | | Contact Bounce | ≤ 5 milliseconds | |
Other photo show :
Product Index:
Operating voltage: 35V DC
Operating current: 100mA 1W
Contact resistance: < 100 Ohms
Open circuit resistance: ≥ 10MΩ at 100V
Operating temperature: Flat/Metal dome:-20°c to +80°c
Storage temperature: Flat/Metal dome:-40°cto +80°c
Life expectancy Flat type≥5,000,000 times Tactile type≥1,000,000 times
Switch stroke: 0.1 to 0.6mm
Contact bounce: 5 to 30ms
Actuation force tolerance: +/- 20 to 45g
How to order
• Send us the drawing ,spec or photo about your product or fill our quotation information table . Get Latest Quote
• Confirm order details and approved our artwork before sample ,confirm our sample before mass goods and Order PI will be sent
• we will send our artwork for your confirm within 3 days before sample making ,and sample lead time is 4-5 business days As usual .
mass goods :as common ,it is 7-10 business days ,which is based on our produce department schedule and product craft and order quantity
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