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What Is a Leaded Chip Carrier? Definition, PLCC, and LCC

A leaded chip carrier has electrical leads extending around and down the package sides. PLCC usually refers to the plastic J-lead form, while LCC can also mean leadless chip carrier.
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A leaded chip carrier is an integrated-circuit package with electrical leads that extend around and down its sides. That formed-lead geometry distinguishes it from a leadless chip carrier, which connects through pads or metallized terminations at the package edge. The acronym “LCC” is used for both, so check the full package name and the manufacturer’s drawing before choosing a footprint or socket.

What “leaded chip carrier” means

IEC 60194 defines a chip carrier as one “whose external connections consist of leads that are around and down the side of the package.” That wording is reproduced in an EN 61188-5-1 excerpt; it identifies the package by the shape and position of its electrical connections, not by a particular size. IPC-7356 likewise describes four-sided J-lead components, also called leaded chip carriers, as ceramic or plastic packages with terminations extending beyond the package outline.

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How PLCC and LCC relate

PLCC: plastic leaded chip carrier

PLCC is the familiar abbreviation for a plastic leaded chip carrier. Its leads are typically J-shaped, curling under the package edge. The same general J-lead arrangement may also be used in a ceramic package, sometimes called JLCC. The material and exact outline are not determined by the broad term “leaded chip carrier.” TI’s package catalog distinguishes ceramic leadless carriers from J-wing leaded packages, which may be plastic or ceramic.

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LCC: an ambiguous abbreviation

LCC may stand for either “leaded chip carrier” or “leadless chip carrier.” A leadless carrier has pads or metallized terminations integral to the package body rather than projecting formed leads. Analog Devices’ glossary records both expansions. If a datasheet or parts list says only “LCC,” use the package drawing and full part number to determine which type it means.

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PATIKIL PLCC32P IC Socket 32Pin 1.26mm Pitch SMT Surface Mounted Devices for PCB Board Pack of 10
  • 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.

What to check before choosing a footprint or socket

The generic package name is not enough to identify a compatible board layout or socket. Check the manufacturer’s current datasheet and package drawing for the specific component, including:

  • Whether the connections are formed leads or edge pads/terminations.
  • Package construction and outline, including the dimensions shown in the drawing.
  • Lead arrangement and count, pitch, and other layout details needed for the PCB footprint.
  • For a socket, the exact package outline and device compatibility.

A compatible PLCC socket can be used with some devices for testing or replacement, but that does not make every leaded carrier socketable. A general technical glossary describes this socket use; it does not establish compatibility for any particular part. See the PLCC glossary entry.

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Joyangy PLCC IC Chip Extractor and U-Shape ROM Puller Tool Kit
  • 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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Why package terminology may vary

Names can differ across standards and supplier catalogs. An IEC 60191-4 amendment excerpt marks “Plastic Leaded Chip Carrier (PLCC)” as an unrecommended term in that classification and gives “P-QFJ” as the official JEITA name there. This is terminology guidance in that standards context; it does not mean manufacturers universally stopped using PLCC. The amendment catalog entry provides that context.

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Quick Recap

Bestseller No. 1
PATIKIL PLCC32P IC Socket 32Pin 1.26mm Pitch SMT Surface Mounted Devices for PCB Board Pack of 10
PATIKIL PLCC32P IC Socket 32Pin 1.26mm Pitch SMT Surface Mounted Devices for PCB Board Pack of 10
Please make sure the chip pitch is the same as the connector pitch.
$8.79
Bestseller No. 3
PATIKIL PLCC84P IC Socket 84Pin 2.54mm Pitch DIP Through Hole Mounting for PCB Board Pack of 4
PATIKIL PLCC84P IC Socket 84Pin 2.54mm Pitch DIP Through Hole Mounting for PCB Board Pack of 4
Please make sure the chip pitch is the same as the connector pitch.
$7.99
Bestseller No. 4
Hakko CHP PLCC-32 PLCC Socket Extractor, 32 Pin, ESD-Safe
Hakko CHP PLCC-32 PLCC Socket Extractor, 32 Pin, ESD-Safe
Component extractor removes 32-pin PLCC-type integrated circuits from the socket; ESD-safe material construction prevents electrostatic charge build-up
$43.37
Best Value
Joyangy 2-Pack Stainless Steel PLCC IC Chip Extractor for Circuit Board
  • 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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Rank #4
Hakko CHP PLCC-32 PLCC Socket Extractor, 32 Pin, ESD-Safe
  • Component extractor removes 32-pin PLCC-type integrated circuits from the socket
  • ESD-safe material construction prevents electrostatic charge build-up
  • Jaws apply even force to prevent damage during removal
  • Country of origin: United States
Rank #3
PATIKIL PLCC84P IC Socket 84Pin 2.54mm Pitch DIP Through Hole Mounting for PCB Board Pack of 4
  • 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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