MLCC GRJ55DR7LV334KW01K

What is GRJ55DR7LV334KW01K MLCC?

The GRJ55DR7LV334KW01K is a SMD Capacitor manufactured by Murata. Key specs include 0.33µF capacitance, 630V rated voltage, X7R dielectric, 2220 case size, and ±10% tolerance. RoHS compliant, it is designed for high-voltage decoupling and filtering in space-constrained power circuits.

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

Typical Applications & Why This Part Fits

• High-Voltage DC-DC Converters: The 630V rating ensures reliable bulk capacitance in flyback and forward converter output stages, reducing ripple under heavy loads.
• Industrial Power Supplies: X7R dielectric maintains stable capacitance from -55°C to +125°C, critical for motor drives and factory automation equipment operating in harsh thermal environments.
• Base Station & Telecom Power Amplifiers: The 0.33µF value in 2220 package provides low ESR for effective decoupling at high frequencies, supporting clean bias rails for GaN and LDMOS amplifiers.

Key Features & Advantages

• 630V High-Voltage Rating: Enables direct connection to 400V bus rails without derating anxiety, simplifying power stage layout.
• X7R Temperature Stability: ±15% capacitance change over -55°C to +125°C ensures predictable performance in thermal cycling conditions.
• 2220 Large Case Size: Offers improved mechanical strength and lower equivalent series resistance (ESR) compared to smaller packages, reducing self-heating in high-ripple applications.

Frequently Asked Questions

1. Q: What makes GRJ55DR7LV334KW01K different from a standard MLCC?
   A: Its 630V rating combined with 0.33µF in X7R dielectric is uncommon—most high-voltage X7R parts max out at lower capacitance. This specific combination suits 400V bus filtering where both voltage headroom and bulk capacitance are required.
2. Q: Is GRJ55DR7LV334KW01K RoHS compliant?
   A: Yes, as a Murata product, it is standardly RoHS compliant and lead-free.
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.

Cross Reference & Alternative Sourcing

While GRJ55DR7LV334KW01K is our primary recommendation, comparable alternatives are available. We provide comprehensive BOM Kitting service.