Other
Electrical machines and apparatus, having individual functions, not specified or included elsewhere in this chapter; parts thereof: > Parts: > Other: > Printed circuit assemblies: > Other
Duty Rate (from China)
Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Except as provided in headings 9903.88.05, 9903.88.06, 9903.88.07, 9903.88.08, 9903.88.10, 9903.88.11, 9903.88.14, 9903.88.19, 9903.88.50, 9903.88.52, 9903.88.58, 9903.88.60, 9903.88.62, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(a) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(b) [to this subchapter]
Products classified under HTS 8543.90.68.00
Raspberry Pi Compute Module 4 PCB Assembly
This printed circuit assembly contains the processor, RAM, and flash storage for the Raspberry Pi Compute Module 4, designed for embedded applications. It falls under HTS 8543.90.68.00 as a printed circuit assembly with individual electrical functions not specified elsewhere in Chapter 85. The assembly provides computing capabilities through integrated circuits mounted on a PCB.
Arduino Uno R3 Printed Circuit Board Assembly
The Arduino Uno R3 is a microcontroller development board assembly featuring an ATmega328P processor and various input/output circuits on a single PCB. Classified under 8543.90.68.00 as it performs individual electrical functions like signal processing not covered elsewhere. It's widely used for prototyping and hobbyist electronics projects.
ESP32 Development Board Printed Circuit Assembly
This PCB assembly integrates the ESP32 WiFi/Bluetooth SoC, sensors, and power management circuits for IoT prototyping. It qualifies for HTS 8543.90.68.00 as a multifunctional electrical apparatus assembly not specified in other headings. The board enables wireless connectivity and processing in compact devices.
Industrial PLC I/O Module Printed Circuit Assembly
Printed circuit assembly providing input/output interfaces for programmable logic controllers in factory automation. Falls under 8543.90.68.00 as it performs electrical signal conversion functions not elsewhere specified. Equipped with opto-isolators, relays, and terminal blocks for rugged industrial use.
Automotive ECU Printed Circuit Assembly
Engine Control Unit PCB assembly with microcontroller, sensors interfaces, and power regulation for vehicle engine management. Classified in HTS 8543.90.68.00 as electrical apparatus parts with specific automotive functions. Designed to withstand vibration, temperature extremes, and EMI.
Industrial HMI Controller Printed Circuit Assembly
Human-machine interface controller PCB with touchscreen processing, communication interfaces, and I/O for factory panels. HTS 8543.90.68.00 for multifunctional control functions. Features CAN, Ethernet, and Modbus connectivity.
Medical Device Signal Processing PCB Assembly
Printed circuit assembly for processing bioelectric signals in patient monitors, featuring ADCs, filters, and isolation circuits. Falls under 8543.90.68.00 as specialized electrical processing not covered elsewhere. Meets medical electrical safety standards (IEC 60601).
Power Supply Control Printed Circuit Assembly
PCB assembly containing PWM controllers, feedback circuits, and protection for switch-mode power supplies. Classified under HTS 8543.90.68.00 for its electrical regulation functions. Provides stable DC output from AC input for electronic equipment.
LED Driver Printed Circuit Assembly
Constant current LED driver assembly with dimming control, thermal protection, and PFC circuits for lighting fixtures. HTS 8543.90.68.00 covers this electrical control function not specified elsewhere. Suitable for commercial and architectural lighting applications.
Audio DSP Printed Circuit Assembly
Digital signal processor board assembly for audio effects, equalization, and mixing in professional sound equipment. Classified 8543.90.68.00 for specialized audio processing functions. Features high-quality AD/DA converters and low-latency processing.
RF Transceiver Printed Circuit Assembly
Radio frequency transceiver module assembly with upconversion, filtering, and modulation circuits for wireless applications. HTS 8543.90.68.00 applies to this RF electrical function not elsewhere specified. Used in industrial wireless sensors and telemetry.
Sensor Interface Printed Circuit Assembly
Multi-channel sensor signal conditioning assembly with amplification, filtering, and A/D conversion for industrial monitoring. Falls under 8543.90.68.00 as electrical interface functions. Compatible with thermocouples, RTDs, and strain gauges.
Battery Management System PCB Assembly
BMS printed circuit assembly monitoring cell voltage, temperature, and balancing for lithium battery packs. Classified 8543.90.68.00 for electrical monitoring/protection functions. Essential for EV, energy storage, and portable power safety.
Haptic Driver Printed Circuit Assembly
Linear resonant actuator driver assembly with waveform generation and force feedback control for touch interfaces. HTS 8543.90.68.00 covers this specialized vibration control function. Used in smartphones, game controllers, and wearables.
Gate Driver Printed Circuit Assembly
High/low side MOSFET/IGBT gate driver assembly with isolation, dead-time control, and fault protection for motor drives. Classified under 8543.90.68.00 for power semiconductor drive functions. Used in inverters, UPS, and industrial motor control.