8121SD3V3GE
Manufacturer: C&K
Part Number: 8121SD3V3GE
Attribute | Value |
cate_name | Pushbutton Switches |
Datasheet | 8121SD3V3GE C&K |
rohs | Compliance |
reference_package | Plugins |
mounting | Through hole mounting |
application_level | |
lifecycle | On sale |
spm | bulk,tray |
operating_temperature | -30℃~75℃ |
length_width_height | |
actuator_type | Round Plunger |
current_rating | 1A |
electrical_life | 60000Cycles |
illumination_color | - |
max_ac_contact_voltage | 120V |
max_dc_contact_voltage | 28V |
mechanical_life | 60000Cycles |
panel_cutout_dimensions | - |
switch_configuration | SPDT |
switch_function | On-Mom |
Overview:
The C&K 8121SD3V3GE is a high-performance, compact, and reliable tactile switch designed for various applications. This switch is known for its excellent tactile feel, long lifespan, and robust construction. It is widely used in various industries, including consumer electronics, telecommunications, medical devices, and automotive electronics.
Features:
1. Compact Size: The C&K 8121SD3V3GE has a small footprint, making it suitable for space-constrained applications.
2. Tactile Feedback: The switch provides a crisp and clear tactile feedback, ensuring a satisfying user experience.
3. Long Lifespan: With a lifespan of up to 100,000 cycles, the switch is designed for long-term use in demanding environments.
4. Robust Construction: The switch is built with high-quality materials, ensuring durability and reliability.
5. Multiple Terminal Options: The C&K 8121SD3V3GE is available with various terminal options, including solder cup, solder tail, and PCB.
Development Support:
C&K offers comprehensive development support for the 8121SD3V3GE, including:
1. Technical Documentation: Detailed datasheets, application notes, and design guides are available to assist engineers in integrating the switch into their projects.
2. Sample Availability: Engineers can request free samples to evaluate the switch's performance and suitability for their applications.
3. Customization Services: C&K can provide custom solutions tailored to specific requirements, including modifications to the switch's size, force, and travel.
Application Areas:
The C&K 8121SD3V3GE is suitable for a wide range of applications, including:
1. Consumer Electronics: Mobile phones, tablets, gaming controllers, and wearable devices.
2. Telecommunications: Routers, modems, and networking equipment.
3. Medical Devices: Diagnostic equipment, systems, and surgical instruments.
4. Automotive Electronics: Infotainment systems, dashboard controls, and remote keyless entry systems.
Parameter Introduction:
1. Operating Force: 150gf (1.5N)
2. Travel: 2.0mm
3. Lifespan: 100,000 cycles
4. Terminal Options: Solder Cup, Solder Tail, PCB
5. Operating Temperature: -40°C to +85°C
6. Insulation Resistance: 100MΩ minimum
7. Dielectric Withstand Voltage: 500V AC for 15 seconds
8. Contact Resistance: 50mΩ maximum
Frequently Asked Questions (FAQs):
Q1: What is the typical application for the C&K 8121SD3V3GE switch?
A1: The C&K 8121SD3V3GE is commonly used in consumer electronics, telecommunications, medical devices, and automotive electronics.
Q2: What is the lifespan of the C&K 8121SD3V3GE switch?
A2: The switch has a lifespan of up to 100,000 cycles, making it suitable for long-term use in demanding environments.
Q3: Can the C&K 8121SD3V3GE switch be customized?
A3: Yes, C&K offers customization services for the 8121SD3V3GE, including modifications to the switch's size, force, and travel.
Q4: What terminal options are available for the C&K 8121SD3V3GE switch?
A4: The switch is available with solder cup, solder tail, and PCB terminal options.
Q5: What is the operating temperature range for the C&K 8121SD3V3GE switch?
A5: The operating temperature range for the switch is -40°C to +85°C.
Please refer to the product rule book for details.








With a global footprint, C&K operates state-of-the-art manufacturing facilities in North America, Europe, and Asia, ensuring that all products meet the highest standards of quality and performance. The company's extensive product line includes tactile switches, toggle switches, pushbutton switches, and smart card readers, among others, each designed with cutting-edge technology and engineered to provide superior tactile feedback and long-lasting durability.
C&K is committed to sustainability and environmental stewardship. The company adheres to strict environmental regulations and continuously strives to reduce its ecological footprint through innovative manufacturing processes and sustainable practices. This commitment extends to all aspects of C&K's operations, from the sourcing of materials to the production and disposal of products.
Research and development are at the core of C&K's operations. The company invests heavily in R&D to stay at the forefront of technological advancements and to ensure they are delivering the most advanced and reliable products to their customers. C&K's team of experienced engineers works closely with clients to understand their specific needs and challenges, enabling the development of customized solutions that integrate seamlessly into their applications.
Customer service is another pillar on which C&K builds its reputation. The company prides itself on its customer-centric approach, offering comprehensive support throughout the lifecycle of its products. From initial consultation and design to after-sales support, C&K ensures that every client receives the attention and service they deserve.
In conclusion, C&K is a trusted name in the field of electromechanical switches and interface controls, with a long-standing tradition of excellence, innovation, and customer satisfaction. Whether you are looking for a standard product or a bespoke solution, C&K is equipped to meet your needs with the highest levels of quality and service.
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