ALCO TT-21 Miniature Toggle Switch DPDT On-On PC Mount 0.4VA
The ALCO TT-21 is a compact and reliable miniature toggle switch designed for precise control in electronic circuits. Featuring a Double Pole Double Throw (DPDT) configuration, this switch offers versatile functionality suitable for various applications.
Key Features
- Switch Function: On-On
- Contact Rating: 0.4VA (AC/DC)
- Voltage Rating: 20V AC/DC
- Actuator Type: Standard Round
- Actuator Length: 5.61mm
- Mounting Type: Through Hole
- Termination Style: PC Pin
- Operating Temperature Range: -30°C to 85°C
- Electrical Life: 60,000 Cycles
Design and Construction
The TT-21 switch is engineered with a standard round actuator measuring 5.61mm in length, providing a comfortable interface for manual operation. Its through-hole mounting design ensures secure attachment to printed circuit boards, while the PC pin termination facilitates straightforward soldering and integration into electronic assemblies.
Performance and Reliability
With a contact rating of 0.4VA and a voltage rating of 20V AC/DC, the TT-21 is suitable for low-power signal applications. It operates efficiently within a temperature range of -30°C to 85°C, making it adaptable to various environmental conditions. The switch boasts an electrical life of 60,000 cycles, ensuring long-term reliability in repetitive use scenarios.
Applications
The ALCO TT-21 miniature toggle switch is ideal for applications requiring compact size and dependable performance, including:
- Industrial control systems
- Telecommunications equipment
- Instrumentation panels
- Consumer electronics
Its DPDT On-On configuration allows for seamless switching between two circuits, making it a versatile component in complex electronic designs.
Conclusion
The ALCO TT-21 Miniature Toggle Switch combines compact design with robust performance, offering a reliable solution for various electronic switching needs. Its precise engineering and durable construction make it a valuable component in both commercial and industrial applications.
