CL21B224KCFSFNE - 0.22µF 100V X7R 0805 MLCC | Samsung Electro-Mechanics
MPN: CL21B224KCFSFNE ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $0.14 | $0.14 |
| 10 | $0.1 | $1.00 |
| 100 | $0.07 | $7.00 |
| 500 | $0.055 | $27.50 |
| 1,000 | $0.045 | $45.00 |
| 4,000 | $0.0355 | $142.00 |
CL21B224KCFSFNE Overview
A multilayer ceramic capacitor (MLCC) is a surface-mount passive that stores energy in alternating layers of ceramic dielectric and metal electrodes, sandwiched between two metal terminations. Within the capacitor taxonomy, MLCCs sit under ceramic capacitors > chip capacitors > surface-mount capacitors > passive components. X7R is a mid-stability Class-II dielectric defined by EIA-198, offering ±15 % capacitance change across -55 °C to +125 °C - a strong trade-off between volumetric efficiency (roughly 10× higher C per volume than C0G/NP0) and temperature stability (less stable than C0G but adequate for most power-rail and signal-coupling duties).
Key features include a 100 V DC rated voltage (well above typical 5 V, 12 V, and 24 V rails), ±10 % capacitance tolerance (K-code), 0805 case size (2.0 × 1.25 mm) compatible with standard pick-and-place footprints, soft-termination for mechanical robustness, and an X7R temperature characteristic suitable for automotive, industrial, and consumer designs. The part is supplied on 7-inch tape-and-reel (T/R) per EIA 481 for high-speed assembly.
Technically, the X7R dielectric uses a paraelectric barium titanate-based ceramic that delivers high permittivity. The soft-termination is a silver-polymer epoxy layer applied between the nickel barrier and the tin plating, providing strain relief without changing the electrical footprint. The 100 V rating gives generous derating headroom when the cap is used on 12 V, 24 V, or 48 V rails.
Typical applications include DC-link and snubber capacitors in 12 V/48 V automotive ECUs, decoupling for MCU/SoC power pins, EMI bypass on industrial sensor modules, and general-purpose filtering in consumer electronics. The 125 °C rating also suits under-hood and outdoor LED lighting.
When designing with this part, derate the voltage to ≤50 % of rated (i.e. ≤50 V applied) for long-term reliability under temperature bias. Confirm that the soft-termination variant matches your board's flexure profile - for low-stress consumer boards, a standard-termination 220 nF/100 V X7R part may be sufficient and less expensive.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes beyond the manufacturer catalog entry.
Drop-in alternatives for CL21B224KCFSFNE — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
CL21B224KCFNNNG
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
CL21B224KBFSFNE
✅ Drop-In📋 Reference alternative (not in catalog)
CL21B224KAFSFNE
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
GRM21BR72A224KA01L
✅ Drop-In📋 Reference alternative (not in catalog)
CGA4J3X7R2A224K125AA
✅ Drop-In📋 Reference alternative (not in catalog)
C2012X7R2A224K125AA
✅ Drop-In📋 Reference alternative (not in catalog)
CL21B224KCFSFNE Maximum Ratings & Electrical Characteristics
| Capacitance | 0.22 µF (220 nF) |
| Capacitance Tolerance | ±10 % (K code) |
| Rated Voltage (DC) | 100 V |
| Dielectric / Temperature Characteristic | X7R (EIA Class II) |
| Operating Temperature Range | -55 °C to +125 °C |
| Case Size (EIA) | 0805 (2012 Metric) |
| Case Dimensions | 2.0 mm × 1.25 mm |
| Termination Style | Soft termination (polymer) |
| Termination Composition | Ni barrier + Sn plating (with polymer under-layer) |
| Mounting Type | Surface Mount (SMD/SMT) |
| Packaging | Tape & Reel (7-inch) |
| Maximum Operating Temperature | +125 °C |
| Minimum Operating Temperature | -55 °C |
| RoHS Status | Compliant |
| MSL Level | 1 (per JEDEC J-STD-020) |
| Construction | MLCC, vertical termination, soft flex |
CL21B224KCFSFNE Pin Configuration
| Pin 1 | Terminal 1 — Solder pad - one polarity of the capacitor (anode equivalent) |
| Pin 2 | Terminal 2 — Solder pad - opposite polarity of the capacitor (cathode equivalent) |
Typical Applications
CL21B224KCFSFNE is suitable for 6 applications: Automotive ECU Decoupling, Industrial Sensor Module Filtering, DC-Link Bypass for Switching Converters, Audio-Circuit Coupling Capacitor, LED Driver Snubber Network, Outdoor IoT Node Power Decoupling.
Automotive ECU Decoupling
The CL21B224KCFSFNE suits 12 V/24 V automotive ECU decoupling where PCB flexure and thermal cycling stress standard Ni-Sn terminations. Its 100 V rating gives >4× derating headroom over a 24 V load-dump transient, the X7R dielectric keeps capacitance within ±15 % across -40 °C to +125 °C under-hood temperatures, and the soft-termination layer absorbs vibration-induced board strain. Place the part between the 5 V MCU rail and ground with 100 nF X7R neighbors for broadband decoupling. The 0805 footprint matches AEC-Q100 reference layouts used by major ECU vendors.
Recommended
Industrial Sensor Module Filtering
For 24 V industrial sensor signal-chain filtering, the CL21B224KCFSFNE provides a 100 V-rated 220 nF X7R filter element that tolerates wide temperature swings and mechanical vibration on factory floors. Its soft-termination prevents flex-cracking when sensor boards are mounted in vibration-prone enclosures, and the 0.22 µF value paired with a 1 kΩ source impedance forms a 723 Hz low-pass pole ideal for tacho and analog front-end filtering. The X7R dielectric maintains stable gain over the -40 °C to +85 °C industrial range, and the 0805 footprint is a standard pick-and-reel component.
Recommended
DC-Link Bypass for Switching Converters
Place the CL21B224KCFSFNE across the 48 V DC-link of a buck or boost converter to shunt switching noise to ground. Its 100 V rating covers the 48 V nominal rail with 2× derating, and the 220 nF value combined with the 0805 case provides a 0.22 µV·s charge reservoir that smooths inrush during FET switching. Soft-termination is valuable here because converters generate repeated thermal cycling, while the X7R dielectric keeps effective capacitance within ±15 % across converter operating temperatures up to +125 °C junction.
Recommended
Audio-Circuit Coupling Capacitor
The CL21B224KCFSFNE works as a coupling cap between audio amplifier stages when the source impedance is ≥1 kΩ, yielding a 723 Hz lower cutoff suitable for subwoofer or PA coupling. Its X7R dielectric is acceptable for audio paths with ≥1 kΩ loading where C0G stability is not critical, and the 100 V rating ensures reliability even at amplifier supply peaks. Soft-termination prevents failures when speakers induce board vibration, while the 0805 footprint simplifies rework in prototype audio boards.
LED Driver Snubber Network
Use the CL21B224KCFSFNE as a 220 nF RC snubber across the switching FET of an LED driver to suppress voltage spikes and reduce EMI. Its 100 V rating handles inductive kickback on 24 V LED strings, the X7R dielectric maintains capacitance over the high ambient of LED enclosures, and soft-termination prevents cracks from thermal cycling between off and full-brightness states. Pair with a low-ESR 0805 resistor to form a 1-10 MHz snubber that complies with CISPR 15 EMI limits.
Outdoor IoT Node Power Decoupling
For battery-powered outdoor IoT nodes, the CL21B224KCFSFNE provides decoupling on the 3.3 V or 5 V rail with 100 V headroom that survives nearby lightning-induced transients, while the X7R dielectric operates reliably from -55 °C winter cold to +125 °C summer-heat PCB temperatures inside sealed housings. Soft-termination prevents flex-cracking when housings flex due to wind load or thermal expansion, and the 0805 0.22 µF value pairs with smaller 100 nF and 10 nF caps to broadband-decouple RF and digital sections of an IoT SoC.
Recommended
Recommended Products Summary
Engineering reference data for CL21B224KCFSFNE — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | CL21B224KCFNNNG | CL21B224KBFSFNE | GRM21BR72A224KA01L | CGA4J3X7R2A224K125AA | C2012X7R2A224K125AA |
|---|---|---|---|---|---|---|
| Brand | Samsung Electro-Mechanics | Samsung Electro-Mechanics | Samsung Electro-Mechanics | Murata Manufacturing | TDK | TDK |
| Package | 0805 (2012 Metric) | 0805 (2012 Metric) - same | 0805 (2012 Metric) - same | 0805 (2012 Metric) - same | 0805 (2012 Metric) - same | 0805 (2012 Metric) - same |
| Capacitance | 0.22 µF (220 nF) | 0.22 µF | 0.22 µF | 0.22 µF | 0.22 µF | 0.22 µF |
| Voltage Rating | 100 V | 100 V | 50 V (-50%) | 100 V | 100 V | 100 V |
| Dielectric | X7R | X7R | X7R | X7R | X7R | X7R |
| Tolerance | ±10 % | ±10 % | ±10 % | ±10 % | ±10 % | ±10 % |
| Soft Termination | Yes (SF suffix) | No (standard termination) | Yes (SF suffix) | No (standard) | Yes (AEC-Q200 grade) | Yes (mid-grade) |
| AEC-Q200 Qualified | Not explicitly listed | Not explicitly listed | Not explicitly listed | Not explicitly listed | Yes (AEC-Q200) | Not AEC-Q200 grade |
| Operating Temperature | -55 °C to +125 °C | -55 °C to +125 °C | -55 °C to +125 °C | -55 °C to +125 °C | -55 °C to +125 °C | -55 °C to +125 °C |
Key Differentiators
- Soft-termination for flexure stress relief (vs CL21B224KCFNNNG)
- 100 V voltage rating vs lower-voltage same-family (vs CL21B224KBFSFNE)
- AEC-Q200 qualified cross-brand alternative (vs CGA4J3X7R2A224K125AA (TDK))
Design Notes
Do not operate the CL21B224KCFSFNE continuously above 50 % of rated voltage (i.e. above 50 V applied) if long-term capacitance loss is critical. MLCCs exhibit aging and DC-bias derating - X7R parts lose 20-50 % of nominal capacitance at full-rated voltage. Estimate: at 100 V applied, effective capacitance may drop to 110-180 nF; at 50 V applied, capacitance remains within ±15 % of nominal. Apply this derating for power-rail filtering in 24 V or 48 V automotive systems.
For 0805 MLCCs, follow the IPC-7351 nominal land pattern: pads ~1.05 mm wide × 1.25 mm deep on a 2.0 mm center-to-center pitch, with solder mask defined (SMD) pads preferred over NSMD for AEC-Q100 vibration profiles. Place the part close to the IC power pin it decouples - keep the trace length under 2 mm to minimize parasitic inductance, and use a via-in-pad or two vias per pad to the ground/power plane to reduce ESL.
The CL21B224KCFSFNE's X7R dielectric capacitance drops with temperature by up to -15 % at +125 °C. In high-ambient applications (under-hood automotive, industrial enclosures near heat sources), verify effective capacitance at the maximum operating point, not room temperature. Estimated: at +125 °C with 100 V applied DC bias, capacitance may be as low as ~150 nF - design your filter or RC time constant to tolerate this worst-case value.
Compliance Information
RoHS compliant per Samsung Electro-Mechanics catalog and DigiKey listing. AEC-Q100 specifically refers to ICs; for passive AEC-Q200 (automotive passive qualification) status of CL21B224KCFSFNE itself, the verified catalog data does not explicitly state AEC-Q200 - consult Samsung factory for formal automotive-grade documentation.
