MLCC GRM31BR73A332KW01L

What is GRM31BR73A332KW01L MLCC?

The GRM31BR73A332KW01L is a multilayer ceramic capacitor manufactured by Murata. Key specs include a capacitance of 3300pF with ±10% tolerance, a voltage rating of 1kV, X7R dielectric, and a 1206 case size. RoHS compliant, it is designed for high-voltage decoupling and filtering in compact power circuits.

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

Typical Applications & Why This Part Fits

• Snubber Networks for Switching Converters: The 1kV rating and stable X7R characteristic make this 3300pF capacitor ideal for absorbing voltage spikes in flyback and bridge topologies.
• High-Voltage DC-DC Converter Output Filtering: Its compact 1206 footprint combined with 1kV withstand voltage enables dense layout designs in telecom and industrial power modules.
• Baseplate Coupling in IGBT Gate Drivers: The X7R temperature stability (±15% over -55°C to +125°C) ensures consistent 3300pF capacitance for reliable gate signal coupling under thermal stress.

Key Features & Advantages

• 1kV High-Voltage Rating: Provides robust insulation and margin for surge conditions in power electronics without requiring series stacking.
• X7R Dielectric Stability: Capacitance change within ±15% over a wide temperature range, ensuring predictable performance in automotive and industrial environments.
• Space-Saving 1206 Package: Balances high voltage clearance with board area efficiency, reducing overall PSU size compared to through-hole alternatives.

Frequently Asked Questions

1. Q: What makes GRM31BR73A332KW01L different from a standard 50V MLCC?
   A: This part is specifically rated for 1kV operation, using a thicker dielectric layer to prevent breakdown, while maintaining the same 1206 footprint as lower-voltage parts.
2. Q: Is GRM31BR73A332KW01L 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 GRM31BR73A332KW01L is our primary recommendation, comparable alternatives include other 1206/1kV/X7R 3300pF ±10% parts from reputable brands. We provide comprehensive BOM Kitting service to streamline your procurement.