CL31B106KBHNNNE - 10µF 50V X7R 1206 MLCC | Samsung Electro-Mechanics
MPN： CL31B106KBHNNNE ✓ 啟用中CL31B106KBHNNNE 概覽
An MLCC (Multilayer Ceramic Capacitor) is a passive component built from alternating thin ceramic dielectric layers and stacked metal-electrode layers, terminated with a nickel barrier and a tin outer finish for lead-free solderability. Within the broader passive-component taxonomy, MLCCs sit alongside aluminium electrolytic, tantalum, and film capacitors, offering the lowest equivalent series inductance (ESL), the lowest equivalent series resistance (ESR), and the best high-frequency behaviour of any capacitor class. The hierarchy reads MLCC → ceramic capacitor → capacitor → passive component → electronic component. The X7R dielectric is a Class-II (mid-k) formulation with ±15% capacitance change across the -55 °C to +125 °C operating range, and is the workhorse choice for general-purpose decoupling, filtering, and bulk energy storage where C0G/NP0 stability is not required.
Key features include 10 µF nominal capacitance in the compact 1206 case, K-tolerance (±10%) for standard industrial precision, and a 50 V rating that delivers generous headroom for 24 V and 48 V rail-bypass applications. The Ni/Sn termination (Samsung EM's standard 'N' finish) ensures excellent leach resistance and solder-joint strength during lead-free reflow profiles up to 260 °C. The 'BH' packaging code designates 7-inch tape-and-reel as the standard shipping format, while the trailing 'E' denotes the RoHS-compliant environmental designation.
Technically, the part exhibits noticeable DC-bias derating typical of X7R Class-II dielectrics: at full-rated 50 V DC the effective capacitance can drop substantially from nominal, so designers must de-rate when targeting high-voltage rails. The 1206 case provides enough dielectric volume to deliver 10 µF at 50 V in a footprint that fits beneath most QFN, SOIC, and TQFP power-rail pin fields, while keeping ESR in the low-milliohm range for switching-regulator output ripple suppression and high-frequency decoupling above 1 MHz.
Typical applications include 48 V telecom bus decoupling, bulk bypass for USB-PD controllers, motor-driver snubbers, switch-mode power supply output smoothing, and general-purpose power-rail filtering. The 125 °C upper temperature rating also makes it a candidate for under-hood automotive subsystems and industrial LED-driver output stages when paired with a thermal derating margin.
When designing with this part, place the capacitor as close as possible to the IC supply pin, use wide power traces to minimise loop inductance, and parallel multiple capacitors when the application demands both high bulk capacitance and low impedance across a wide frequency range. Always verify DC-bias derating from the manufacturer curve at your application's applied voltage, because X7R 10 µF/50 V parts commonly lose 60-80% of nominal capacitance at full rated voltage.
This page synthesizes distributor pricing as of 2026-10-11, cross-brand MLCC equivalents from Murata, TDK, and Yageo sourced from distributor parametric data, and practical DC-bias derating guidance not consolidated in the manufacturer datasheet.
直接替換替代品，適用於 CL31B106KBHNNNE — 相同封裝，腳位對腳位相容。需重新設計 PCB 的不同封裝零件不列入。
此系列的變體
與下列產品可直接替換的同系列型號： CL31B106KBHNNNE （相同外形與佔位） — 差異在於 Capacitance, Capacitance Tolerance, Moisture Sensitivity Level (MSL), Operating Temperature Range, Termination Style.
CL31B106KAHNNNE
✅ 直接替換聯絡詢價
查看資料表 →CL31B106KLHNNNE
✅ 直接替換📋 參考替代品（不在目錄中）
GRM31MR71H106KE15L
✅ 直接替換📋 參考替代品（不在目錄中）
CGA6P3X7R1H106K
✅ 直接替換📋 參考替代品（不在目錄中）
CC1206KKX7R9BB106
✅ 直接替換📋 參考替代品（不在目錄中）
CL31B106KBHNNNE 最大額定值與電氣特性
| Capacitance | 10 µF |
| Capacitance Tolerance | ±10% (K code) |
| Rated Voltage | 50 V |
| Dielectric (Temperature Characteristic) | X7R (EIA) |
| 工作溫度範圍 | -55 °C to +125 °C |
| Package / Case Size | 1206 (3216 metric) |
| Length | 3.20 mm |
| Width | 1.60 mm |
| Termination Style | SMD/SMT - Ni barrier, Ti date |
| Termination Finish | Ni/Sn (lead-free) |
| Packaging / Reel | Tape & Reel (7-inch) |
| 濕度敏感等級 (MSL) | MSL-1 (per JEDEC J-STD-020) |
| RoHS 狀態 | Compliant |
| DC-Bias Characteristic | Class-II X7R (significant derating above ~10 V applied) |
| Manufacturer Series | CL (Samsung EM general MLCC series) |
CL31B106KBHNNNE 腳位配置
| 腳位 1 | Terminal 1 — Solder termination (anode equivalent) - one end of the rectangular 1206 body |
| 腳位 2 | Terminal 2 — Solder termination (cathode equivalent) - opposite end of the rectangular 1206 body |
典型應用
CL31B106KBHNNNE 適用於 6 應用s: 48V Telecom Rail Decoupling, USB-PD Controller Bulk Bypass, Motor Driver Snubber and Decoupling, Switch-Mode Power Supply Output Smoothing, Automotive ECU Power-Rail Filtering, Industrial LED Driver Output Filtering.
48V Telecom Rail Decoupling
The CL31B106KBHNNNE's 50 V rating and 10 µF capacitance make it well suited for bulk decoupling on 48 V telecom bus rails. At 48 V applied DC the part still operates well within its voltage rating with margin for transient spikes, while the 10 µF capacitance provides effective low-frequency bulk energy storage. The X7R dielectric's ±15% temperature variation across -55 °C to +125 °C ensures stable filtering across outdoor telecom cabinet thermal cycles. Place the capacitor adjacent to the DC-DC converter input pin with wide power traces to minimise loop inductance. Compare against electrolytic alternatives: the MLCC's lower ESR and ESL deliver superior high-frequency noise suppression above 1 MHz, where electrolytics become inductive. The 1206 footprint fits beneath most QFN power-stage pin fields.
推薦
USB-PD Controller Bulk Bypass
USB Power Delivery controllers switching between 5 V, 9 V, 15 V, and 20 V output levels need robust bulk bypass capacitance on both input and output nodes. The CL31B106KBHNNNE's 10 µF capacitance at 50 V rating covers the full USB-PD voltage range with substantial margin, while the X7R dielectric provides adequate stability for the dynamic load transitions typical of PD negotiation. The 1206 case fits beneath the controller's exposed thermal pad, keeping the bypass loop short. For multi-port USB-PD designs, parallel two CL10V-5 parts with a smaller 0402/0603 MLCC to combine high bulk capacitance with low impedance at higher frequencies.
推薦
Motor Driver Snubber and Decoupling
BLDC and stepper motor drivers generate high dV/dt transients on supply rails when switching FETs at 20-50 kHz. The CL31B106KBHNNNE serves as both bulk decoupling and high-frequency snubber on motor-driver supply pins, where its 10 µF capacitance absorbs the inductive kick from motor windings and its low ESR damps the resulting ringing. The 50 V rating covers 24 V and 36 V industrial motor-bus voltages with margin, and the X7R -55 °C to +125 °C rating handles under-hood automotive thermal exposure. Place one CL10V-5 directly across each motor-driver supply pin and a second one at the bulk bus entry point.
推薦
Switch-Mode Power Supply Output Smoothing
Switching regulators operating at 100 kHz to 2 MHz need output capacitors that combine high bulk capacitance for steady-state ripple reduction with low ESR for high-frequency noise suppression. The CL31B106KBHNNNE's 10 µF capacitance at 50 V delivers the bulk energy storage, while its low ESR (typically below 10 mΩ at 1 MHz) attenuates switching ripple above the regulator's loop bandwidth. For 3.3 V, 5 V, and 12 V output rails up to 2 A load, one or two CL10V-5 parts paralleled with a smaller 0402/0603 MLCC provides excellent transient response. The 1206 case dissipates the AC ripple current without thermal concern.
推薦
Automotive ECU Power-Rail Filtering
Automotive ECUs require robust filtering on 12 V and 24 V battery rails that experience load-dump spikes up to 35 V during cranking transients. The CL31B106KBHNNNE's 50 V rating absorbs these transients with substantial margin, while the X7R dielectric maintains filtering performance across the -40 °C to +125 °C automotive under-hood range. For AEC-Q100 systems, pair this commercial-grade Samsung EM part with an AEC-Q200 qualified alternative like TDK's CGA6P3X7R1H106K. Use one CL10V-5 at each ECU connector pin and additional parts at sensitive analog supply nodes such as sensor references and ADC AVCC pins.
推薦
Industrial LED Driver Output Filtering
Industrial LED drivers operate at high switching frequencies (often above 100 kHz) to keep magnetics small, but the resulting switching noise on the LED current sense path can cause visible flicker and reduce LED lifetime. The CL31B106KBHNNNE provides output filtering for LED driver stages driving 24 V LED strings at currents up to 1 A. Its 10 µF capacitance smooths the switching ripple, while the 50 V rating covers 24 V and 48 V industrial bus voltages with margin. The 125 °C upper temperature rating handles the thermal load inside enclosed industrial luminaire housings. Place the capacitor at the LED string anode for best flicker performance.
推薦
推薦產品摘要
工程參考資料，適用於 CL31B106KBHNNNE — 比較、設計指引及合規資訊。
選型指南
與替代品比較
| 參數 | 本產品 | CL31B106KAHNNNE | CL31B106KLHNNNE | GRM31MR71H106KE15L | CGA6P3X7R1H106K | CC1206KKX7R9BB106 |
|---|---|---|---|---|---|---|
| Package | 1206 (3216 metric) | 1206 (3216 metric) - same | 1206 (3216 metric) - same | 1206 (3216 metric) - same | 1206 (3216 metric) - same | 1206 (3216 metric) - same |
| Brand | Samsung Electro-Mechanics | Samsung Electro-Mechanics | Samsung Electro-Mechanics | Murata Manufacturing | TDK | Yageo |
| Capacitance | 10 µF | 10 µF | 10 µF | 10 µF | 10 µF | 10 µF |
| Rated Voltage | 50 V | 10 V | 35 V | 50 V | 50 V | 50 V |
| Dielectric | X7R | X7R | X7R | X7R | X7R | X7R |
| Capacitance Tolerance | ±10% (K) | ±10% (K) | ±10% (K) | ±10% (K) | ±10% (K) | ±10% (K) |
| 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 |
| Automotive Qualification | Commercial grade | Commercial grade | Commercial grade | Commercial grade | AEC-Q200 | Commercial grade |
主要差異化特點
- Higher voltage headroom vs same-family lower-V alternative (對比CL31B106KAHNNNE)
- Vendor diversity with automotive-grade option (對比GRM31MR71H106KE15L (Murata))
- Compact 1206 footprint with 50V rating (對比Larger-case 10µF MLCCs (1210, 2220))
設計說明
Place the CL31B106KBHNNNE as close as physically possible to the IC supply pin it is bypassing. Keep the power-trace loop between the capacitor and the IC pin short (<5 mm is ideal) to minimise parasitic inductance. Use wide traces - at least 0.5 mm for each terminal - and via-in-pad or short via stubs to internal power planes. The 1206 case has two large terminations on the short ends, so position the part with its long axis perpendicular to the IC pin for the shortest possible loop.
Estimated: do not assume the 10 µF nominal capacitance holds at full rated voltage. For X7R Class-II MLCCs in the 10 µF / 50 V range, DC-bias derating commonly reduces effective capacitance to 20-40% of nominal at 50 V DC applied. For a 24 V rail the derating is milder (typically 50-70% effective), but always verify against the Samsung EM DC-bias curve for your application's actual applied DC. If the design depends on full 10 µF at high voltage, consider paralleling two 4.7 µF X7R parts instead.
MLCCs have very low ESR but still dissipate power from AC ripple current. For switching-regulator output filtering, calculate the ripple current I_ripple = V_ripple × 2π × f × C and verify it does not exceed the part's rated ripple current (typically 1-3 A RMS for a 1206 X7R 10 µF). Excessive ripple current causes self-heating, accelerating dielectric aging and ultimately capacitance loss. When the application demands high ripple, parallel two or more capacitors to share the thermal load.
For multi-decoupling networks (USB-PD, motor drivers, FPGA power), parallel the CL31B106KBHNNNE with smaller 0402 or 0603 MLCCs to combine bulk capacitance with high-frequency performance. The 1206 case dominates below ~1 MHz where bulk capacitance matters, while the smaller cases dominate above ~10 MHz where their lower ESL wins. Use the Samsung EM, Murata, or TDK online impedance-versus-frequency tools to model the combined network before committing to a layout.
合規資訊
RoHS compliant per Samsung EM 'N' termination code (Ni/Sn lead-free) and trailing 'E' environmental designation. MSL-1 moisture sensitivity per JEDEC J-STD-020. Not AEC-Q200 qualified - choose TDK CGA6P3X7R1H106K for automotive applications requiring AEC-Q200.
