MLCC GRM21A5C2E101FW01D

What is GRM21A5C2E101FW01D MLCC?

The GRM21A5C2E101FW01D is a high-voltage SMD capacitor manufactured by Murata (村田). Key specs include 100pF capacitance, 250V DC rating, C0G/NP0 dielectric, 0805 package, and ±1% tolerance. RoHS compliant, it is designed for precision filtering and timing circuits requiring ultra-stable capacitance over temperature and voltage.

✔ RoHS Compliant  /  ✔ 0805  /  ✔ Murata Quality  /  ✔ Long-Term Supply

Typical Applications & Why This Part Fits

• DC-DC Converter Snubbers: The 250V rating and low 100pF value effectively damp high-frequency ringing without excessive power loss, while C0G ensures no DC bias derating.
• RF Impedance Matching: ±1% tolerance and NP0 temperature coefficient (0±30ppm/°C) maintain accurate impedance in 433MHz/868MHz ISM band matching networks.
• Sensor Signal Conditioning: The 0805 form factor and 100pF value suit precision RC filters for piezoelectric or capacitive sensor interfaces needing minimal leakage and drift.

Key Features & Advantages

• C0G/NP0 Dielectric: Provides capacitance stability within ±0.3% from -55°C to +125°C, eliminating temperature-induced frequency shifts in oscillators.
• 250V DC Rating: Offers 2.5x safety margin over 100V bus rails, reducing failure risk from voltage transients in industrial power supplies.
• ±1% Tight Tolerance: Enables precise RC time constants and filter cutoff frequencies without additional trimming or calibration steps.

Frequently Asked Questions

1. Q: What makes GRM21A5C2E101FW01D different from a standard X7R MLCC?
   A: Unlike X7R, this C0G part exhibits virtually no capacitance change under DC bias or temperature variation, making it essential for precision timing and high-Q resonant applications.
2. Q: Is GRM21A5C2E101FW01D RoHS compliant?
   A: Yes, as a Murata product, it is standardly RoHS compliant and lead-free, suitable for global regulatory requirements.
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 with cut tape or reels as needed.

Cross Reference & Alternative Sourcing

While GRM21A5C2E101FW01D is our primary recommendation, comparable alternatives are available if exact stock requires substitution. We provide comprehensive BOM Kitting service to streamline your procurement.