0402X475M6R3CT - 4.7uF 6.3V X5R 0402 MLCC | Walsin
MPN: 0402X475M6R3CT β Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $0.006 | $0.01 |
| 10 | $0.004 | $0.04 |
| 100 | $0.003 | $0.30 |
| 500 | $0.0026 | $1.30 |
| 1,000 | $0.0023 | $2.30 |
Drop-in alternatives for 0402X475M6R3CT β same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Quick Comparison Tool β Select alternative parts for side-by-side comparison:
GRM155R60J475ME47
β Drop-Inπ Reference alternative (not in catalog)
C0402C475K8PACTU
β Drop-Inπ Reference alternative (not in catalog)
CL05A475MP5NRNC
β Drop-Inπ Reference alternative (not in catalog)
0402X475M100CT
β Drop-In β οΈ εζ°εΎ ιͺθ―π Reference alternative (not in catalog)
0402X475M6R3CT Maximum Ratings & Electrical Characteristics
| Capacitance | 4.7 uF |
| Tolerance | +/-20% |
| Rated Voltage (DC) | 6.3 V |
| Dielectric | X5R (Class II) |
| Temperature Coefficient | +/-15% over -55C to +85C |
| Operating Temperature Range | -55C to +85C |
| Case Size | 0402 (1005 Metric) |
| Mounting Type | Surface Mount (SMD/SMT) |
| Terminations | Standard (Ni/Sn) multilayer termination |
| Polarity | Non-polarized |
| Packaging Type | Tape & Reel (T&R), general purpose (GP) |
0402X475M6R3CT 0402 (1005 metric) Pin Configuration Guide
Complete pinout information for 0402X475M6R3CT (0402 (1005 metric) package). Learn about pin numbering, functions, and connection diagrams. Refer to the manufacturer datasheet for exact footprint and soldering guidelines. Common applications include circuit design and PCB assembly.
No detailed pinout data available for 0402X475M6R3CT.
Refer to the datasheet for full pin configuration.
Safe Operating Area (SOA) & Thermal Characteristics
No official SOA curve available for this component. Always operate within absolute maximum ratings specified in the datasheet. Ensure adequate cooling and derate as needed.
Typical Applications
0402X475M6R3CT is suitable for 6 applications: Microcontroller Power Decoupling, DC-DC Converter Input/Output Filtering, Smartphone and Wearable Power Rails, RF and Wireless Module Supply Filtering, IoT Sensor Node Power Management, Automotive and Industrial Control Board Bypass.
Microcontroller Power Decoupling
The 0402X475M6R3CT provides local charge storage for microcontroller and SoC supply pins, where its 4.7 uF capacitance in a 0402 footprint lets designers place bulk-like capacitance immediately adjacent to each power pin. Its low ESR ceramic construction responds to sub-nanosecond load transients that larger electrolytic capacitors cannot supply, suppressing rail droop during clock switching. In a typical design, one 0402X475M6R3CT per power domain is placed within 2 mm of the VDD pin, complemented by 100 nF 0201/0402 capacitors for high-frequency decoupling. Because X5R capacitance derates under DC bias, verify effective capacitance at the actual rail voltage using the Walsin DC-bias curve; on a 3.3 V rail, plan for roughly 70-80% of nominal capacitance. The 6.3 V rating covers 1.0 V, 1.8 V, 2.5 V, and 3.3 V logic rails with margin.
Recommended
DC-DC Converter Input/Output Filtering
On buck and boost converter input and output nodes, the 0402X475M6R3CT supplies the pulsed input current that switching regulators demand and smooths output ripple. Its 4.7 uF value matches the typical output capacitor requirement of 1-2 MHz step-down regulators in wearables and IoT nodes, while the non-polarized ceramic construction tolerates the reverse recovery currents at the input without polarity concerns. Multiple 0402X475M6R3CT units can be paralleled on the output to reduce effective ESR and increase ripple current capacity; paralleling N capacitors divides ESR by N. Design caution: on switching nodes, X5R DC-bias derating at the output voltage must be accounted for so the loop compensation assumed in the regulator datasheet remains valid; a derated 4.7 uF may act closer to 3 uF at 3.3 V bias, shifting the control-loop crossover frequency upward.
Recommended
Smartphone and Wearable Power Rails
The 0402X475M6R3CT was designed for the density demands of smartphones, tablets, and wearables, where hundreds of decoupling capacitors compete for board area. Delivering 4.7 uF in a 1.0 x 0.5 mm case gives roughly 9.4 uF per square millimeter, which allows PMIC output rails for application processors, RF transceivers, and memory to be fully bypassed without enlarging the PCB. Its X5R dielectric holds capacitance across the -55C to +85C industrial and mobile temperature range with +/-15% variation, adequate for battery-powered devices operating between -20C and +60C. Designers should confirm the DC-bias characteristic at 1.8-3.8 V battery rails, since Li-ion maximum voltage of 4.2-4.4 V approaches the 6.3 V limit; for direct battery connection, a 10 V-rated 0402 alternative is the safer choice.
Recommended
RF and Wireless Module Supply Filtering
RF transceiver and wireless module supply rails demand clean power with low impedance across a wide frequency band, and the 0402X475M6R3CT serves as the mid-frequency bulk element in that decoupling ladder. Its small body minimizes parasitic loop inductance when placed with short, wide traces between the module VCC pin and ground via, keeping the capacitor's self-resonant frequency high enough to cover tens to hundreds of MHz where PA supply noise typically appears. Combined with 100 nF and 10 nF smaller-case capacitors, it forms a multi-decade low-impedance network. The 4.7 uF value also buffers PA burst-current transients in BLE and Wi-Fi transmit modes, reducing supply droop that would otherwise pull the RF frequency. Verify the mount orientation is irrelevant due to non-polarized construction, simplifying dense RF module placement.
Recommended
IoT Sensor Node Power Management
Battery-powered IoT sensor nodes use the 0402X475M6R3CT across sensor and radio supply pins to hold rails stable during sleep-to-active wake transitions, when radio TX bursts create millisecond-scale current spikes. The 4.7 uF capacitance provides enough charge storage that the node's LDO or buck regulator can respond without deep output dips that would reset the MCU or corrupt sensor readings. Because the part draws no DC bias current and exhibits negligible leakage (ceramic insulation resistance typically thousands of megohms), it adds nothing to the node's sleep current budget, which is critical for multi-year coin-cell lifetime. Its -55C to +85C X5R rating covers unheated outdoor enclosures. Layout guidance: keep the capacitor within a few millimeters of the sensor supply pin and use at least one solid via to the ground plane to minimize shared-impedance coupling between analog sensor rails and the radio.
Recommended
Automotive and Industrial Control Board Bypass
On industrial automation and in-vehicle control boards, the 0402X475M6R3CT decouples 3.3 V and 5 V logic rails for sensors, gate drivers, and communication transceivers. Its 6.3 V rating suits 5 V rails with headroom, and the X5R dielectric's -55C to +85C range covers most industrial environments, though extended automotive -40C to +125C zones require an automotive-grade (AEC-Q200) X7R alternative instead. Its ceramic construction withstands vibration and thermal cycling better than electrolytic alternatives, with no wear-out mechanism and no dry-out. When several 0402X475M6R3CT units buffer a CAN or LIN transceiver supply, they absorb the transient currents of bus dominant-state switching, reducing EMI emissions. Designers should apply proper derating: operating X5R MLCCs at 50% or less of rated voltage maximizes field reliability in 24/7 industrial equipment.
Recommended
Recommended Products Summary
Engineering reference data for 0402X475M6R3CT β comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | GRM155R60J475ME47 | C0402C475K8PACTU | CL05A475MP5NRNC | 0402X475M100CT |
|---|---|---|---|---|---|
| Package | 0402 (1005 Metric) | 0402 (1005 Metric) - same | 0402 (1005 Metric) - same | 0402 (1005 Metric) - same | 0402 (1005 Metric) - same |
| Brand | Walsin | Murata Manufacturing | KEMET | Samsung Electro-Mechanics | Walsin |
| Capacitance | 4.7 uF | 4.7 uF | 4.7 uF | 4.7 uF | 4.7 uF |
| Rated Voltage | 6.3 V | 6.3 V | 6.3 V | 6.3 V | 10 V |
| Tolerance | +/-20% (M) | +/-20% (M) | +/-10% (K) | +/-20% (M) | +/-20% (M) |
| Dielectric | X5R | X5R | X5R | X5R | X5R |
| Temperature Range | -55C to +85C | -55C to +85C | -55C to +85C | -55C to +85C | -55C to +85C |
| Approx Unit Price (qty 1k) | $0.0023 | [DATA_NEEDED] | [DATA_NEEDED] | [DATA_NEEDED] | [DATA_NEEDED] |
Key Differentiators
- Very high capacitance density (vs 0402B104K500CT)
- Cost leadership over premium brands (vs GRM155R60J475ME47)
- Voltage margin trade-off vs 10 V variant (vs 0402X475M100CT)
Design Notes
X5R capacitance derates significantly under DC bias. Estimated: on a 6.3 V-rated MLCC biased at 5 V (about 80% of rated voltage), effective capacitance commonly falls to 50-70% of nominal, so a nominal 4.7 uF may behave as roughly 2.5-3.5 uF. Always consult the Walsin DC-bias characteristic curve and size the capacitor for effective, not nominal, capacitance in regulator loop compensation and PDN impedance targets.
Place the 0402X475M6R3CT as close as possible to the IC supply pin with a short, wide trace to a via directly on the ground plane. For decoupling, put the capacitor between the pin and the power plane via pair so the high-frequency loop area stays minimal; each additional millimeter of trace adds roughly 1 nH of inductance, which lowers the effective high-frequency impedance benefit of the 4.7 uF capacitance.
Do not exceed 6.3 V DC under any condition including transients - X5R MLCCs have no self-healing mechanism and fail short, which can create a board-level fire risk on battery rails. For Li-ion cells reaching 4.4 V or automotive load-dump conditions, step up to a 10 V-rated variant. Also avoid flex-stress cracking near board edges and mounting holes; orient the capacitor with its terminations perpendicular to the expected flex direction.
Compliance Information
Compliance declarations were not explicitly stated in the retrieved distributor listings; Walsin's standard general-purpose (GP) 0402 MLCC series is typically RoHS-compliant, but confirm on the official compliance certificate before release.