Texas Instruments 4C Big Glass Transponder – OEM High-Performance Immobilizer Chip

The Texas Instruments 4C Big Glass Transponder is an OEM-grade, high-performance immobilizer chip designed for vehicles using the classic 4C transponder system. Built with a larger, high-sensitivity glass capsule and precision-wound copper coil, this transponder ensures exceptional signal stability and reliable communication with Ford, Lincoln, and Mercury immobilizer units.

This original Texas TI 4C chip is ideal for professional locksmiths who require accurate cloning, key programming, or immobilizer chip replacement using authentic OEM-level components. Its extended glass size enhances read/write performance, making it a preferred choice for high-quality key duplication.

🔧 Features
• Model: TI 4C Big Glass
• Type: 4C Big-Size Glass Transponder
• Material: High-strength glass capsule
• Function: Immobilizer chip replacement, key programming, cloning
• Performance: Enhanced RF sensitivity, stable communication, OEM reliability
• Use Case: Automotive locksmithing & OEM-level key duplication
• Weight: ~0.6 g

🧩 Supported Chip Format
• Texas Instruments 4C (Big Size Variant)

📌 Typical Vehicle Usage
• Ford (4C systems)
• Lincoln
• Mercury
• Other vehicles equipped with Texas 4C immobilizer systems