MLCC GRM31A5C2J391JW01D

What is GRM31A5C2J391JW01D MLCC?

The GRM31A5C2J391JW01D is a SMD Capacitor manufactured by Murata. Key specs include 390pF capacitance, 630V voltage rating, C0G/NP0 dielectric in the 1206 case size with ±5% tolerance. RoHS compliant, it is designed for high-voltage stability and precision filtering.

✔ RoHS Compliant  /  ✔ SMD  /  ✔ Murata Quality  /  ✔ Long-Term Supply

Typical Applications & Why This Part Fits

• High-Voltage Snubber Circuits: The 630V rating and C0G/NP0 dielectric minimize losses and voltage derating, making it ideal for power converter snubbers.
• Resonant Tank Filtering: The 390pF ±5% tolerance ensures precise frequency control in oscillators and resonant converters.
• DC-DC Converter Output Coupling: Stable capacitance over temperature and voltage suits coupling stages requiring low ESR and high insulation resistance.

Key Features & Advantages

• High-Voltage Robustness: 630V rating with C0G/NP0 material ensures minimal capacitance change under bias, critical for high-voltage rails.
• Tight ±5% Tolerance: Guarantees consistent performance in precision timing and filtering circuits without need for extra tuning.
• Temperature Stable C0G: Nearly zero capacitance drift from -55°C to +125°C, making it reliable for harsh environment designs.

Frequently Asked Questions

1. Q: What makes GRM31A5C2J391JW01D different from a standard MLCC?
   A: It combines a 630V high-voltage rating with a stable C0G/NP0 Class 1 dielectric and 1206 case, offering extreme reliability for power circuits where standard X7R/X5R parts would degrade.
2. Q: Is GRM31A5C2J391JW01D RoHS compliant?
   A: Yes, as a Murata product, it is standardly RoHS compliant and lead-free, meeting all current environmental directives.
3. Q: What is the MOQ? Can we get small batches?
   A: We support small batch orders and full BOM kitting at SZYY, including fast prototyping supply for low-volume needs.

Cross Reference & Alternative Sourcing

While GRM31A5C2J391JW01D is our primary recommendation, comparable alternatives are available. We provide comprehensive BOM Kitting service.