YINGHUA PIC18LF4221-I PT LQFP44 semiconductor
PIC18LF4221-I 8-bit microcontroller in a 44-pin LQFP package for embedded control applications
- Product typeICs Semicoductors
- PIC18LF4221 microcontroller with 44-pin LQFP package
- Low-voltage operation suits 18-series battery-powered designs
- 4221 model delivers 8-bit performance for embedded control
- New condition ensures reliable operation from first power-up
- First listed by manufacturer in June 2026
PIC18LF4221-I PT LQFP44 Microcontroller
The YINGHUA PIC18LF4221-I PT LQFP44 is a new semiconductor device from the PIC18 family. It uses a 44-pin LQFP package for surface-mount assembly. This microcontroller suits embedded designs needing low-voltage operation and integrated peripherals. Engineers building industrial or consumer control boards can evaluate it.
Thermals Noise and Power Draw
The device is rated for low-power operation at reduced supply voltages. Static current consumption stays minimal during sleep modes. Typical active current scales with clock frequency and enabled modules. No acoustic noise is produced by the solid-state component.
Sustained Load Behaviour
Under continuous code execution the chip maintains specified timing and voltage parameters. Thermal performance depends on PCB layout and ambient conditions. The 44-pin package dissipates heat through its leads and exposed pad if present. Long-term reliability follows standard semiconductor qualification.
How it compares
Measured against everything we stock in Encoders & Semiconductor Parts, at today’s prices. Recalculated every night.
- Price $25.99
- Cheaper than about 62% of the 1,027 comparable items (median $34.99).
Specifications
| Product | |
|---|---|
| Product type | ICs Semicoductors |
Questions about this item
How is the 44-pin LQFP package soldered to a PCB, and what alignment step is often missed?
Align the 44 leads with the PCB pads using the package corner marker, then reflow-solder; the step often missed is verifying lead coplanarity before reflow to prevent open joints.
What long-term maintenance does the PIC18LF4221-I PT require after board assembly?
No periodic maintenance is needed; the device stays in-circuit for its service life and is only replaced if electrical testing shows a permanent fault.
Which limit appears first during sustained operation of this 18-series microcontroller?
The maximum junction temperature is the first limit reached under continuous heavy code execution, so adequate PCB copper area or a heatsink must be provided.
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