0402B104K500NT - 100nF 50V X7R 0402 MLCC | FH | Decoupling
MPN: 0402B104K500NT β Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $0.0054 | $0.01 |
| 10 | $0.0048 | $0.05 |
| 100 | $0.0027 | $0.27 |
| 500 | $0.0014 | $0.70 |
| 1,000 | $0.0008 | $0.80 |
Drop-in alternatives for 0402B104K500NT 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:
0402B104M500NT
β Drop-In β οΈ εζ°εΎ ιͺθ―π Reference alternative (not in catalog)
0402B104K251NT
β Drop-In β οΈ εζ°εΎ ιͺθ―π Reference alternative (not in catalog)
0402B104K101NT
β Drop-In β οΈ εζ°εΎ ιͺθ―π Reference alternative (not in catalog)
0402B104K500CT
β Drop-Inβ In Stock
$0.002 / Unit
View Datasheet βCGA2B3X7R1H104KT0Y0F
β Drop-Inπ Reference alternative (not in catalog)
0402B104K500NT Maximum Ratings & Electrical Characteristics
| Capacitance | 100 nF (0.1 uF) |
| Capacitance Tolerance | +/-10% (K) |
| Rated Voltage (DC) | 50 V |
| Dielectric | X7R (Class 2) |
| Temperature Coefficient | X7R (+/-15% over range) |
| Operating Temperature | -55C to +125C |
| Package / Case | 0402 (1005 Metric) |
| Case Dimensions | 1.0 mm x 0.5 mm |
| Mounting Type | Surface Mount (SMD/SMT) |
| Type | Multilayer Ceramic Capacitor (MLCC) |
| Terminations | Nickel-barrier, solderable (estimated: standard MLCC termination) |
| Polarity | Non-polarized |
| Reflow Soldering | Suitable (standard SMT reflow profile) |
| RoHS Status | Compliant |
| Packaging | Tape & Reel (NT suffix, paper taping) |
0402B104K500NT 1.0 mm x 0.5 mm Pin Configuration Guide
Complete pinout information for 0402B104K500NT (1.0 mm x 0.5 mm 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 0402B104K500NT.
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
0402B104K500NT is suitable for 6 applications: MCU / FPGA Supply Decoupling, DC-DC Converter Input/Output Filtering, Consumer Electronics Boards, Industrial Control and Automation, Gate Driver and Power Stage Snubbing/Decoupling, IoT and Wireless Module Power Integrity.
MCU / FPGA Supply Decoupling
The 0402B104K500NT is the default local decoupling capacitor for microcontroller and FPGA power pins. Its 100 nF value in a 0402 footprint provides a low-impedance path for the nanosecond-scale switching transients drawn by modern CMOS logic, while the 50 V rating gives roughly 10x margin over a 5 V rail. Placement within 1-2 mm of each VDD pin, with short traces to ground vias, keeps the loop inductance below a few nanohenries so the capacitor remains effective up to tens of MHz. Above that, board plane capacitance and smaller high-frequency caps take over. Because the X7R dielectric derates under DC bias, budget effective capacitance at 60-70% of nominal when the rail is at a large fraction of rated voltage.
Recommended
DC-DC Converter Input/Output Filtering
In buck and boost converter designs, the 0402B104K500NT complements bulk input and output capacitance by suppressing high-frequency switching ripple. Placed directly across the converter input pins, its low ESR (typical of X7R MLCCs in the milliohm range) absorbs the pulsed input current that bulk electrolytics handle poorly at high frequency. On the output side, it flattens the impedance of the output network in the MHz region. The 50 V rating covers 12 V and 24 V intermediate bus inputs with margin. Designers should account for X7R DC bias and piezoelectric effects: at high ripple voltage the effective capacitance shrinks, so parallel 0402 units or an X5R/C0G supplement may be needed for low-ripple specifications.
Recommended
Consumer Electronics Boards
Smart-home devices, set-top boxes, wearables, and small appliances all rely on vast quantities of 100 nF 0402 X7R capacitors for distributed decoupling. The 0402B104K500NT fits this role because it combines the industry-standard 1005 footprint with commodity pricing around $0.001 at reel quantities as of 2026-09-14, and multi-million-unit stock at LCSC. In densely routed consumer PCBs, the 1.0 mm x 0.5 mm body fits under BGA fanouts and between fine-pitch ICs. The +/-10% tolerance is fully adequate for bypass duty, and the -55C to +125C X7R range covers typical consumer ambient conditions with margin for self-heating from nearby power components.
Recommended
Industrial Control and Automation
Industrial PLC I/O cards, motor-control boards, and sensor interfaces operate from 24 V logic rails derived supplies and electrically noisy environments, making robust decoupling essential. The 0402B104K500NT, with its 50 V rating and X7R stability from -55C to +125C, tolerates industrial ambient conditions near cabinets, drives, and heaters. Distributed 100 nF decoupling at every gate-driver and logic IC supply pin suppresses the dV/dt-coupled noise typical of inverter environments. Designers should add a small series ferrite or resistor where a capacitor connects to long harness-derived rails to damp resonance, since low-ESR MLCCs can form high-Q tanks with cable inductance.
Recommended
Gate Driver and Power Stage Snubbing/Decoupling
Gate driver ICs demand burst currents in amperes during MOSFET switching edges; a local 0402B104K500NT across the driver supply pins supplies this charge instantly, preventing gate-logic glitches and ringing. Its milliohm-level ESR and 50 V rating suit 12 V gate-drive rails with wide margin, and the 0402 body sits directly between the driver VDD and GND pins to minimize loop inductance. In half-bridge layouts, one capacitor per driver plus one at the bootstrap circuit keeps switching nodes clean. X7R capacitance stability over -55C to +125C ensures consistent drive behavior across the full automotive-adjacent temperature envelope of power electronics boards.
Recommended
IoT and Wireless Module Power Integrity
Wi-Fi, Bluetooth, and cellular modules draw highly pulsed transmit currents (hundreds of mA for brief bursts), which collapse poorly regulated local rails unless bypassed correctly. A bank of 0402B104K500NT capacitors - one at each module supply pin - supplies the instantaneous charge while bulk capacitance recharges them. The 50 V rating comfortably covers 3.3 V to 5 V module rails, and the small 0402 footprint fits the tight keep-out zones around RF module castellations. Because X7R suffers microphonic and bias-derating effects, RF designers often combine this 100 nF part with 1 uF and 10 uF neighbors to create a flat supply impedance from kHz to hundreds of MHz.
Recommended
Recommended Products Summary
Engineering reference data for 0402B104K500NT β comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | 0402B104M500NT | 0402B104K251NT | 0402B104K101NT | 0402B104K500CT | CGA2B3X7R1H104KT0Y0F |
|---|---|---|---|---|---|---|
| Package | 0402 (1005 Metric) | 0402 (1005 Metric) - same | 0402 (1005 Metric) - same | 0402 (1005 Metric) - same | 0402 (1005 Metric) - same | 0402 (1005 Metric) - same |
| Brand | FH (Guangdong Fenghua) | FH | FH | FH | Walsin Technology Corporation | TDK |
| Capacitance | 100 nF | 100 nF | 100 nF | 100 nF | 0.1 uF | 0.1 uF |
| Rated Voltage | 50 V | 50 V | 25 V | 100 V | 50 V | 50 V |
| Tolerance | +/-10% (K) | +/-20% (M) | +/-10% (K) | +/-10% (K) | +/-10% (K) | +/-10% (K) |
| Dielectric | X7R | X7R | X7R | X7R | X7R | X7R |
| Operating Temperature | -55C to +125C | -55C to +125C | -55C to +125C | -55C to +125C | -55C to +125C | -55C to +125C |
| Qualification Tier | General purpose / commercial | General purpose | General purpose | General purpose | General purpose | Automotive (TDK CGA series) |
| Price (qty 1) | $0.0054 (as of 2026-09-14) | [DATA_NEEDED] | [DATA_NEEDED] | [DATA_NEEDED] | [DATA_NEEDED] | [DATA_NEEDED] |
Key Differentiators
- Wider voltage margin than 25 V family variant (vs 0402B104K251NT)
- Tighter tolerance than M-grade variant (vs 0402B104M500NT)
- Commodity pricing versus automotive-grade equivalent (vs CGA2B3X7R1H104KT0Y0F)
Design Notes
Place the 0402B104K500NT within 1-2 mm of the IC supply pin it decouples, with the ground side connecting through a via directly to the plane. Keep the pad geometry per the standard 0402 (1005 metric) land pattern; oversize pads add solder-wicking risk during reflow. For high-frequency performance, prefer via-in-pad or short stub connections - every additional mm of trace adds roughly 1 nH of inductance, which dominates the capacitor impedance above its self-resonant frequency (estimated: ~40-60 MHz for 100 nF in 0402 with typical mounting inductance).
Account for DC bias derating: X7R dielectrics lose capacitance under applied DC voltage, commonly 20-40% of nominal at a large fraction of rated voltage. A nominally 100 nF 0402B104K500NT on a 5 V rail may deliver only 70-85 nF effective. Do not use this X7R part for timing, sample-hold, or precision RC filter circuits - use a C0G/NP0 capacitor instead. Also beware X7R piezoelectric (microphonic) response in audio and vibration environments.
For multi-rail digital boards, build a hierarchical decoupling network: one 0402B104K500NT (100 nF) per IC power pin, one 1-10 uF X5R/X7R 0805 per rail region, and one bulk 47-470 uF capacitor per rail entry. This flattens the supply impedance from kHz to hundreds of MHz. Estimate: 20 ICs x 100 nF gives 2 uF of aggregate local decoupling, but only the locally placed capacitors are effective above ~10 MHz due to trace inductance.
Compliance Information
RoHS compliant per LCSC and JLCPCB listings for this MLCC (passive - AEC-Q200 not applicable field mapped as not_applicable). REACH, halogen-free, and conflict-minerals status not stated in the provided data.