This 20-pin surface-mount (SMT) PLCC socket provides a solderless interface for 20-lead J-lead IC chips directly on PCB pads. It allows fast chip installation and replacement without soldering heat, protecting microcontrollers and memory from thermal reflow damage. The socket is widely used on industrial automation controllers, embedded development boards, and automotive electronics.
Key Features
- Available Positions: Standard options in 20, 28, 32, 44, 52, 68, and 84 pins.
- Mating Pitch: 1.27 mm (.050″) pitch for J-lead PLCC-packaged chips.
- Mounting Type: Surface mount (SMT) with 2.54 mm (.100″) PCB pad footprint.
- Thermal Endurance: Brown high-temperature UL 94V-0 thermoplastic for reflow soldering.
- Solderless Swapping: Protects chips from soldering heat and enables fast field replacement.
Main Specifications:
General Information:
| Product No.: | PLCC-20-AT-SMT | |
| Product Type: | PLCC Sockets | |
| Number of Positions: | 20 (4 x 5) | |
| Mounting Type: | Surface Mount | |
| Pitch – Mating: | 0.050″ (1.27mm) | |
| Pitch – Termination: | 0.100″ (2.54mm) | |
| Tail Length: | 0.126″ (3.20mm) |
Materials and Plating:
| Insulator Material: | Polybutylene Terephthalate (PBT), Glass Filled | |
| Insulator Color: | Brown | |
| Contact Material: | Phosphor Bronze | |
| Contact Plating: | Tin over Nickel | |
| Contact Finish Thickness: | 80.0µin (2.03µm) |
Electrical:
| Current rating: | 1 Amp max | |
| Operating voltage: | N/A | |
| Contact resistance: | 30 mohms max | |
| Insulation resistance: | 1000 Mohms min | |
| Dielectric withstanding voltage: | 500 VAC for 1 minute |
Environmental：
| Operating Temperature: | -55°C to +105°C | |
| Compliance: | Lead Free & RoHS Compliant |
PLCC Socket Dimensions
Applications:
- BIOS & Firmware Socketing
- Microcontroller (MCU) Development Boards
- IC Programming & Test Fixtures
- Industrial Automation Controllers
- Automotive Electronics & ECUs
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