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A leaded chip carrier is an integrated-circuit package with electrical leads running around and down its sides. Those projecting leads distinguish it from a leadless chip carrier, which connects through pads or metallized terminations on the package body. Because “LCC” can refer to either type, check the component’s full package designation and drawing before choosing a footprint or socket.
What defines a leaded chip carrier?
IEC 60194 defines a chip carrier as a “chip carrier whose external connections consist of leads that are around and down the side of the package.” That wording is reproduced in an excerpt from EN 61188-5-1; it describes the defining feature as the external connection geometry, not a particular material or size. Source: EN 61188-5-1 excerpt reproducing IEC 60194.
How does a leaded carrier differ from a leadless carrier?
| Feature | Leaded chip carrier | Leadless chip carrier |
|---|---|---|
| External connections | Leads extend around and down the package sides. | Metallized terminations are integral to the component body rather than projecting leads. |
| Common terminology | PLCC commonly refers to a plastic leaded chip carrier; ceramic leaded packages may also be called JLCC. | LCC may mean leadless chip carrier, including leadless ceramic chip carrier. |
| Material and dimensions | May be plastic or ceramic; exact outline and dimensions depend on the component. | Do not infer material or dimensions from “LCC” alone; consult the component drawing. |
TI distinguishes ceramic leadless carriers from J-wing leaded packages, which may be plastic (PLCC) or ceramic (JLCC). Analog Devices uses “LCC” for both “Leadless Ceramic Chip Carrier or Leadless Chip Carrier” and “Leaded Chip Carrier,” so the acronym alone is not enough to identify a package. TI package catalog; Analog Devices glossary.
What does PLCC mean?
PLCC stands for plastic leaded chip carrier. The familiar PLCC form has J-shaped leads that wrap under the package edges. Four-sided J-lead carriers may be ceramic or plastic, and their terminations extend beyond the package outline. IPC-7356 excerpt.
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- These are Plastic Leaded Chip Carrier (PLCC) Sockets. IC test sockets are devices that test the performance and electrical connection of IC devices to check whether the components work. Surface Mounted Devices have high assembly density and can reduce the volume of electronic products.
- Number of Pins: 32 Pin; Operating Temperature: -40°C to 105°C; Features: Surface Mounted Devices; Color: Brown; Pitch: 1.26mm / 0.05 inch; Size: 19.5x17x4.6mm / 0.8x0.7x0.2 inch (L*W*H); Package Contents: 10 Pcs x PLCC32P IC Sockets
- These sockets are easy to install. They have good electrical resistance, corrosion resistance and heat resistance, which provide a long service life.
- Steps of installation: 1. Solder the sockets on the PCB board; 2. Insert the chips into the IC adapters; 3. Pull out the chips directly after testing.
- Please make sure the chip pitch is the same as the connector pitch.
Package naming can vary by standards context. An IEC 60191-4 amendment catalog excerpt describes “Plastic Leaded Chip Carrier (PLCC)” as an unrecommended historical term in that classification and gives “P-QFJ” as the official JEITA name there. This is specific terminology guidance, not evidence that manufacturers have stopped using PLCC. IEC 60191-4 amendment catalog excerpt.
How to identify the right package for a component
The generic term “leaded chip carrier” does not specify a universal footprint, pin count, pitch, or socket. Before selecting a PCB footprint or replacement socket, use the exact component part number and manufacturer package drawing to verify:
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- Efficient U-Shape IC Extractor: Our tool kit includes a U-Shape IC Extractor, specially designed to safely and efficiently pull IC chips from circuit boards. A must-have tool for every professional repairman and hobbyist.
- Spring-Assisted PLCC IC Chip Extractor: The tool kit also features a PLCC IC Chip Extractor. With its spring-assisted design, it ensures the hassle-free removal of PLCC from any circuit board, making your repair work much easier.
- Static Charge Protection: All tools in our kit are made of metal and shielded plastic to prevent static charge damage to IC components. You can trust our tools to handle your IC components safely and securely.
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- High-Quality Materials for Durability: The main body of our tools is made of stainless steel and covered with a PVC insulated enclosure. This not only ensures the longevity of the tools but also provides an additional layer of protection against static charge. The package includes 1 PLCC IC Extractor and 1 U-Shape Extractor.
- Whether the terminals are projecting leads or leadless pads.
- The package outline, dimensions, and lead arrangement.
- The pin count and pitch required by the footprint or socket.
- The package material and the manufacturer’s full package designation.
Some PLCC devices can be used in a special socket for testing or replacement, but compatibility is package-specific. A generic PLCC label is not enough to establish that a socket fits. Technical glossary discussion of PLCC sockets.
Quick Recap
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- High-Quality Material: The PLCC IC chip extractor is made of premium stainless steel, ensuring durability and reliability. The main body is covered with a PVC insulated enclosure for added safety and longevity.
- Versatile Use: Perfect for a variety of applications, our chip extractor is ideal for working with motherboards, microcontrollers, programmers, and more. It's a practical tool for both professional and DIY electronics projects.
- Efficient PLCC Removal: Designed with a spring-assisted mechanism, our PLCC IC chip extractor makes the removal of PLCC easy and efficient, without damaging any IC conductors. It's a tool that brings professionalism to your fingertips.
- Compact Size for Precision: With dimensions of 100x49mm / 3.94"x1.93"(L*W), our extractor is compact yet powerful, offering precise control for delicate operations.
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- Component extractor removes 32-pin PLCC-type integrated circuits from the socket
- ESD-safe material construction prevents electrostatic charge build-up
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- Country of origin: United States
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- These are Plastic Leaded Chip Carrier (PLCC) Sockets. IC test sockets are devices that test the performance and electrical connection of IC devices to check whether the components work. Dual in-line package components can be mounted on the circuit board by through-hole mounting, or can be mounted using DIP sockets.
- Number of Pins: 84 Pin; Operating Temperature: -40°C to 105°C; Features: Through Hole Mounting; Color: Brown; Pitch: 2.54mm / 0.1 inch; Size: 36x36x11mm / 1.4x1.4x0.4 inch (L*W*H); Package Contents: 4 Pcs x PLCC84P IC Sockets
- These sockets are easy to install. They have good electrical resistance, corrosion resistance and heat resistance, which provide a long service life.
- Steps of installation: 1. Solder the sockets on the PCB board; 2. Insert the chips into the IC adapters; 3. Pull out the chips directly after testing.
- Please make sure the chip pitch is the same as the connector pitch.
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