C1210W124KCRACTU Kemet Capacitor (Other) In Stock
KEMET C1210W124KCRACTU is a 1210 case size ArcShield MLCC with 120 nF capacitance and high-voltage rating, featuring soft-termination for crack resistance in demanding PCB applications. It offers superior arc-fault protection compared to standard MLCCs. Available in stock with worldwide shipping.
- Manufacturer
- Kemet
- Package
- Other
- Pin Count
- 2
- Lifecycle
- ACTIVE
- Datasheet
- C1210W124KCRACTU Datasheet PDF
- Category
- Capacitor
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- ArcShield soft-termination technology prevents arc-fault failures, improving capacitor reliability in high-voltage circuits above 100 V
- 1210 SMD package (3.2 mm × 2.5 mm) balances high capacitance density with mechanical robustness for power supply filtering
- K tolerance (±10%) on 120 nF capacitance provides predictable performance in snubber networks, DC bus decoupling, and EMI filtering stages
Applications
The C1210W124KCRACTU is designed for high-voltage decoupling, snubber, and EMI filtering circuits in industrial power supplies, motor drives, and inverter systems where arc-fault events pose a reliability risk. Its ArcShield construction prevents internal arc propagation that can occur in standard MLCCs subjected to rapid voltage transients or dielectric breakdowns above 100 V. The 1210 package provides sufficient capacitance in 120 nF for bulk decoupling on 48 V to several hundred volt bus rails commonly found in renewable energy converters and EV charging systems.
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What makes KEMET's ArcShield construction in the C1210W124KCRACTU safer than a standard MLCC in high-voltage circuits?
ArcShield uses a modified internal electrode and termination structure that contains arc propagation inside the 1210 body if a dielectric breakdown occurs at voltages above 100 V. Standard MLCCs can fail with a violent arc discharge that damages surrounding components and PCB traces, while ArcShield limits fault energy to prevent board fires and cascading failures in motor drives and power converters.
What capacitance and voltage rating does the C1210W124KCRACTU carry, and which bus voltage rails does it suit?
The C1210W124KCRACTU provides 120 nF capacitance with K tolerance (±10%) in a high-voltage-rated 1210 MLCC. This combination suits decoupling and snubber applications on 100 V to 500 V DC bus rails found in industrial motor drives, PV inverters, and EV on-board chargers, where both adequate capacitance and arc-fault safety are mandatory for IEC and UL compliance.
How does the 1210 SMD footprint of the C1210W124KCRACTU affect PCB layout in space-constrained power electronics designs?
The 1210 case (3.2 mm × 2.5 mm) is larger than 0402 or 0603 capacitors but provides higher capacitance per part and better mechanical strength under board flexure. For high-voltage snubber networks, a single 1210 ArcShield replaces multiple smaller capacitors wired in series, reducing component count and simplifying 120 nF snubber placement near IGBT or SiC MOSFET switching nodes in compact power modules.
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