Last Updated on February 14, 2026 by omar Gamaleldin
M51393AP PAL Video Chroma IC 30-Pin-DIP
The M51393AP PAL Video Chroma IC 30‑Pin DIP is a semiconductor integrated circuit developed for color television and video equipment. It integrates the essential chroma processing functions required for PAL (Phase Alternating Line) and NTSC color signal decoding and chroma deflection processing. This linear IC is typically employed in analog television receivers, PAL/NTSC video decoders, and chroma signal processing stages where accurate color decoding and stability are critical. Designed in a robust 30‑pin Dual Inline Package (DIP), the M51393AP offers reliable operation across standard video system voltages and interfaces seamlessly with other TV system stages.
Features:
- Double differentiation for continuous high-frequency suppression in video tone control.
- Pedestal clamp system with variable DC regeneration for stable signal levels.
- Linked contrast and color saturation control for balanced image adjustments.
- Peak limiting to prevent signal overdrive and distortion.
- Built-in video output transistor for simplified amplification.
- High-sensitivity color killer at -43dB typical threshold.
Specifications:
| Parameter | Value |
|---|---|
| Part Number | M51393AP |
| Manufacturer | Mitsubishi |
| Function | PAL System Color TV Video Chroma Processor |
| Package Type | 30-Pin Plastic Molded DIL (DIP) |
| Supply Voltage (Recommended) | 11V – 13V DC |
| Rated Supply Voltage | 12V DC |
| Video Tone Control | Double differentiation / Continuous high-frequency suppression |
| DC Regeneration | Variable (Pedestal clamp system) |
| Contrast Control | Linked with color saturation |
| Brightness Control | Included |
| Killer Sensitivity | –43dB (typ) |
| Video Output | Built-in video output transistor |
| Peak Limiting | Built-in |
| Applications | PAL Color TV (video chroma circuits) |
Pin Configuration:

Applications:
- PAL system color television video chroma circuits.
- Analog TV receivers for signal decoding and processing.
- Video signal processors in legacy display systems.
- Chroma demodulation in multimedia equipment.
- Educational projects involving analog video technology.
- Repair and restoration of vintage color TVs.
Package Include:
1x M51393AP PAL Video Chroma IC 30-Pin-DIP
