0402YD105KAT2A - 1uF 16V X5R 0402 MLCC | KYOCERA AVX
MPN: 0402YD105KAT2A ✓ Hoạt động0402YD105KAT2A Tóm tắt
An MLCC (multilayer ceramic capacitor) is a passive electronic component built from alternating layers of ceramic dielectric and metal electrodes, sintered into a monolithic block with terminations on both ends. Within the passive-component hierarchy, it sits under capacitor > ceramic capacitor > multilayer ceramic chip capacitor, and it is the dominant decoupling element in modern surface-mount electronics because of its small size, low ESR, and absence of polarity.
Key features of the 0402YD105KAT2A include its high volumetric efficiency - 1 uF in a 1.0 x 0.5 mm footprint - the temperature-stable X5R formulation rated -55 C to +85 C with up to +/-15% capacitance change over that range, and a 16 V DC working voltage with a K-code (10%) tolerance for predictable decoupling impedance. Nickel-barrier terminations support reflow and wave soldering.
Architecturally, the part uses a thin-layer high-K barium-titanate-based X5R ceramic stack. X5R delivers far higher permittivity than Class I dielectrics (C0G/NP0), enabling microfarad-range capacitance in tiny cases, at the cost of DC-bias and voltage-coefficient effects that engineers must account for in power-rail design.
Typical applications include power-supply decoupling for MCUs, FPGAs, and PMICs, output and input filtering in DC-DC converters, RF-module supply bypassing, and general bypass duties in consumer, industrial, and IoT hardware where board space is constrained.
A critical design consideration: X5R capacitance derates significantly under DC bias - verify effective capacitance at your actual operating voltage rather than using the nominal 1 uF value.
This page adds value beyond the datasheet by combining verified distributor pricing, drop-in alternative cross-references, and practical X5R derating design notes in one place.
Bộ thay thế dễ dàng lắp đặt cho 0402YD105KAT2A — cùng gói, chân-to-chân tương thích. Các bộ phận yêu cầu hàn PCB bị loại trừ.
Các biến thể trong loạt này
Các mẫu cùng loạt có thể lắp đặt dễ dàng tương thích với 0402YD105KAT2A (cùng hình factor và footprint) — khác nhau ở Dielectric, Mounting Type, Rated Voltage (DC), Termination Style.
EMK105BJ105KV-F
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
CGB2A1X5R1C105K033BC
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
0402X105K100CT
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →0402YD105KAT2A Tỷ lệ tối đa & tính chất điện
| Capacitance | 1 uF |
| Tolerance | +/-10% (K) |
| Rated Voltage (DC) | 16 V |
| Dielectric | X5R |
| Temperature Range (dielectric) | -55 C to +85 C |
| Temperature Characteristic | X5R (+/-15% over -55 C to +85 C) |
| Hộp / Vỏ | 0402 (1005 Metric) |
| Case Dimensions | 1.0 mm x 0.5 mm |
| Kiểu lắp đặt | Surface Mount (MLCC, SMD/SMT) |
| Termination Style | Nickel barrier, solderable (matte Sn) finish |
| Polarity | Non-polarized |
| Series | AVX 0402Y commercial MLCC series (global PN KGM05AR51C105KH) |
| Trạng thái RoHS | Compliant (Lead (Pb) free) |
| Reflow Soldering | Suitable for reflow and wave soldering processes |
| Operating Category | Commercial grade |
| Packing | Tape & Reel |
Hướng dẫn cấu hình chân 0402YD105KAT2A 1.0 mm x 0.5 mm
Cấu hình chân cho 0402YD105KAT2A (1.0 mm x 0.5 mm gói). Số thứ tự chân, chức năng và sơ đồ kết nối được xác định trong tài liệu thông số kỹ thuật của nhà sản xuất. Tham khảo nó để biết footprint và hướng dẫn hàn chính xác.
Không có dữ liệu chân cụ thể sẵn có cho 0402YD105KAT2A.
Tham khảo: tài liệu kỹ thuật cho cấu hình chân đầy đủ.
Ứng dụng tiêu biểu
0402YD105KAT2A phù hợp cho 6 Áp dụngs: MCU / FPGA Power Decoupling, DC-DC Converter Input/Output Filtering, IoT and Wearable Module Bypass, Automotive Infotainment and Body Electronics (12 V Rails), Audio Codec and Amplifier Supply Filtering, Consumer Electronics General Bypass.
MCU / FPGA Power Decoupling
The 0402YD105KAT2A serves as local decoupling for microcontroller and FPGA supply pins. Its 1 uF capacitance with 16 V rating comfortably covers 3.3 V and 5 V logic rails, and at these low bias levels the X5R dielectric retains most of its nominal capacitance. The 1.0 x 0.5 mm 0402 footprint lets you place one capacitor directly at each power pin of fine-pitch BGAs and QFNs where 0603 parts would not fit. Place the part within 2-3 mm of the pin with short, wide traces to minimize loop inductance, and pair it with 10-47 uF bulk capacitance per rail. The non-polarized construction allows free orientation for optimal routing on dense boards.
Được đề xuất
DC-DC Converter Input/Output Filtering
In buck and boost converters, the 0402YD105KAT2A works as an input ripple bypass and output filter capacitor for low-current rails. Its ceramic construction provides very low ESR compared with electrolytic alternatives, which reduces output ripple voltage and input switching spikes. Because X5R capacitance derates under DC bias, verify the effective capacitance at the converter's operating voltage when sizing the output filter for loop stability - regulators expecting a minimum output capacitance can become unstable if derating is ignored. At a 5 V rail on a 16 V part, derating is modest; at higher bias, consider parallel devices. Keep it close to the switch node and inductor.
Được đề xuất
IoT and Wearable Module Bypass
Wireless modules for Bluetooth, Wi-Fi, and LPWAN systems exhibit burst TX currents in the hundreds of milliamps, requiring local energy storage at the module supply pin. The 0402YD105KAT2A's 1 uF capacitance and small 0402 footprint make it ideal for the tight keep-out zones around RF module pads, while the 16 V rating covers battery packs up to 4-cell Li-ion configurations. Its low ESR handles the burst current edges without excessive voltage droop when combined with a nearby 10 uF reservoir capacitor. Place it directly at the module VCC pin; the compact case minimizes parasitic inductance that would otherwise degrade transient response during radio bursts.
Được đề xuất
Automotive Infotainment and Body Electronics (12 V Rails)
On 12 V automotive accessory rails, the 0402YD105KAT2A's 16 V rating provides direct headroom for infotainment, telematics, and body-control module boards (use load-dump-clamped supplies; raw load dump requires higher ratings). X5R dielectric suits the -40 C to +85 C cabin environment, matching the dielectric's -55 C to +85 C window. The capacitor handles supply decoupling for SoCs, CAN transceivers, and audio amplifiers. Note that Class II X5R parts exhibit piezoelectric acoustic noise under ripple - for audible-noise-sensitive audio paths, consider C0G in combination or a larger case size. The small footprint supports the dense layouts typical of body-control modules.
Được đề xuất
Audio Codec and Amplifier Supply Filtering
Audio codecs and headphone amplifiers benefit from the 0402YD105KAT2A on analog supply and reference-bypass pins. The 1 uF value provides a low-impedance supply at audio frequencies when combined with larger bulk capacitance, and its ceramic construction introduces no electrolytic degradation mechanisms over product lifetime. Caution: X5R ceramics are piezoelectric and can convert supply ripple into audible microphonics - for AC-coupling or high-ripple environments use film or C0G parts instead, keeping this MLCC for stiff, quiet supply decoupling. Place one capacitor at each AVDD and headphone-driver supply pin with a solid ground connection to minimize crosstalk between channels.
Được đề xuất
Consumer Electronics General Bypass
In set-top boxes, displays, chargers, and small appliances, the 0402YD105KAT2A acts as the workhorse bypass capacitor across hundreds of net locations per board. Its commodity cost (sub-cent at volume), proven 0402 process compatibility, and RoHS-compliant lead-free terminations suit high-volume SMT lines running reflow profiles. The 16 V rating covers typical USB 5 V, 12 V adapter, and 3.3 V logic domains on a single BOM line, simplifying procurement. At ~$0.008-0.015 per piece in quantity as of September 2026, it is one of the most cost-effective 1 uF decoupling choices available, and multiple cross-brand drop-ins protect against allocation shortages.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho 0402YD105KAT2A — so sánh, hướng dẫn thiết kế và thông tin tuân thủ.
Hướng dẫn chọn lựa
So sánh với các sản phẩm thay thế
| Tham số | Sản phẩm này | EMK105BJ105KV-F | CGB2A1X5R1C105K033BC | 0402X105K100CT |
|---|---|---|---|---|
| Package | 0402 (1005 Metric) | 0402 (1005 Metric) - same | 0402 (1005 Metric) - same | 0402 (1005 Metric) - same |
| Brand | KYOCERA AVX | TDK | TDK | Yageo |
| Capacitance | 1 uF | 1 uF | 1 uF | 1 uF |
| Tolerance | +/-10% (K) | +/-10% (K) | +/-10% (K) | +/-10% (K) |
| Rated Voltage | 16 V | 16 V | 16 V | 10 V |
| Dielectric | X5R | X5R | X5R | X5R |
| Temperature Range | -55 C to +85 C | -55 C to +85 C | -55 C to +85 C | -55 C to +85 C |
| Drop-in Compatible Footprint | Yes (0402 land pattern) | Yes - identical land pattern | Yes - identical land pattern | Yes - identical land pattern (10 V limit) |
Bảo phân biệt quan trọng
- Full 16 V rating in the smallest standard 0402 case (vs0402X105K100CT)
- Identical electrical ratings with second-source supply security (vsEMK105BJ105KV-F)
- High volumetric efficiency from X5R Class II dielectric (vsC0G 0402 equivalents)
Ghi chú thiết kế
X5R capacitance derates under DC bias. Estimated rule of thumb for 0402 X5R MLCCs: at 50% of rated voltage (8 V on this 16 V part) expect roughly 20-40% capacitance loss; at low bias such as 3.3 V, the loss is minimal. If your converter or regulator depends on a minimum effective capacitance for stability, size the nominal value up or use parallel devices. Verify with the manufacturer DC-bias characteristic curve rather than relying on the nominal 1 uF value.
Place the 0402YD105KAT2A within 2-3 mm of the decoupled IC power pin, with via-in-pad or short wide traces to the rail and a nearby ground via. At 0402 size, placement inductance dominates over the capacitor's own ESL - a poor placement can negate the benefit of low-ESR ceramic decoupling. For 0402 land patterns, follow IPC-7351B density level B footprints (approximately 0.54 x 0.64 mm pads, 0.46 mm span); do not scale the classic 0603 footprint down arbitrarily, as tombstoning risk rises with reflow thermal gradients.
Three common pitfalls: (1) substituting a 10 V-rated 0402 1 uF part (e.g., 0402X105K100CT) onto a 12 V rail - it will exceed its rating; (2) using X5R for audio AC-coupling or signal paths where its piezoelectric microphonics inject audible noise - reserve it for supply decoupling; (3) ignoring Class II aging (X5R capacitance decreases logarithmically with time, typically a few percent per decade-hour) in precision timing or filter designs - for those, use C0G/NP0 dielectrics instead.
Thông tin tuân thủ
Lead (Pb) free and RoHS compliant per TTI/distributor listing data. REACH, halogen-free, and conflict-minerals status not stated in provided data - request manufacturer declarations from KYOCERA AVX.
