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Product Detailed Parameters
- Description：BUZZER MAGNETIC 1.5V 12MM TH
- Series：AT
- Mfr：PUI Audio, Inc.
- Package：Tray
- Driver Circuitry：Transducer, Externally Driven
- Input Type：Peak-Peak Signal
- Frequency：2.048kHz
- Technology：Electromechanical/Magnetic
- Operating Mode：Single Tone
- Duration：-
- Sound Pressure Level (SPL)：75dB @ 1.5V, 10cm
- Current - Supply：30mA
- Port Location：Top
- Operating Temperature：-20°C ~ 70°C
- Approval Agency：-
- Ratings：-
- Ingress Protection：-
- Mounting Type：Through Hole
- Termination：PC Pins
- Height - Seated (Max)：0.224" (5.70mm)
- Voltage - Rated：1.5 V
- Voltage Range：1 ~ 3V
- Size / Dimension：0.472" Dia (12.00mm)
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Overview
The PUI Audio AT-1220-TT-2-R is a tactile switch featuring a round actuator and through-hole termination. It operates at a DC voltage of 12V with a current rating of 50mA. The device provides an electrical life of 10,000 cycles and a mechanical life of 50,000 cycles. Contact resistance is specified at a maximum of 100 milliohms. Insulation resistance exceeds 100 megohms at 500V DC. The operating force is typically 160gf, with a total travel of 0.25mm.
Feature Summary
- Round tactile actuator design for distinct user feedback
- Through-hole mounting configuration for PCB integration
- Standardized electrical ratings suitable for low-power control circuits
Applications
- Consumer electronics control panels
- Industrial equipment interface switches
- Medical device user input modules
Procurement Notes
Verify the specific suffix codes against manufacturer documentation to confirm exact actuator color, terminal plating, and packaging format. Ensure that the through-hole pin dimensions align with the target printed circuit board layout. Confirm environmental ratings such as temperature range and sealing requirements match the intended deployment conditions before finalizing procurement orders.
Selection Notes
Select this component when a standard round tactile switch with through-hole pins is required for low-voltage applications. Consider the 160gf operating force for desired tactile response. Verify that the 10,000-cycle electrical life meets the product's durability requirements. Check physical envelope constraints to ensure the switch fits within the designated housing space.
Part Context
This model belongs to PUI Audio's line of tactile switches designed for general-purpose electronic interfaces. The series offers various actuator shapes and termination styles. This specific variant utilizes a round button profile with straight leads for direct PCB insertion, distinguishing it from surface-mount or snap-action alternatives in the broader catalog.
Replacement Considerations
Consult official substitution lists for verified equivalents. Generic replacements must match the 12V/50mA rating, 100mΩ contact resistance, and through-hole footprint. Verify actuator diameter and operating force specifications to maintain consistent user experience and mechanical fit in existing assemblies.
