C0603CH1E180K030BA C0603CH1E180K030BA Ceramic Capacitor (MLCC)

C0603CH1E180K030BA is a high-quality Ceramic Capacitor (MLCC) manufactured by TDK, a global leader in electronic components. This specific component is designed for commercial-grade applications, offering reliable performance in a compact 0201 EIA package. As a passive component, its primary function is to store and release electrical energy, filter noise, and stabilize voltage in various electronic circuits. TDK’s reputation for precision engineering ensures that this MLCC provides consistent electrical characteristics, making it suitable for a wide array of general-purpose electronic designs where space is at a premium and stable capacitance is critical.

Key Specifications

The attributes of the C0603CH1E180K0030BA ceramic capacitor are crucial for understanding its capabilities and suitability for specific designs:

• Apps. (Commercial Grade): This designation indicates that the capacitor is designed and tested to meet the requirements of general commercial electronic products. While not automotive or military grade, it offers robust performance for consumer electronics, industrial controls, and communication equipment where extreme conditions are not typically encountered.
• Brand (TDK): TDK is a renowned Japanese multinational electronics company known for its high-quality electronic components, particularly passive components like capacitors, inductors, and ferrite products. Choosing a TDK component assures designers of reliability and adherence to stringent manufacturing standards.
• Feature (General): This denotes that the capacitor is suitable for a broad range of standard applications, including decoupling, bypassing, filtering, and timing circuits, rather than being optimized for highly specialized functions like RF or high-power applications.
• Tolerance (±10%): The capacitance value of 18pF can vary by up to ±10% from its nominal value. This tolerance is acceptable for many general-purpose applications where precise capacitance is not absolutely critical, allowing for cost-effective design.
• L x W Size (0.6mm x 0.3mm [EIA 0201]): This ultra-compact footprint is one of the smallest available for surface-mount components. The EIA 0201 designation means the component measures 0.02 inches by 0.01 inches, making it ideal for miniaturized electronic devices where board space is severely limited, such as smartphones, wearables, and compact modules.
• Capacitance (18pF): This is the nominal electrical charge storage capacity of the capacitor. An 18pF capacitor is typically used in high-frequency circuits for filtering, coupling, or in resonant circuits where small capacitance values are required.
• T(Max.) / mm (0.33): This refers to the maximum thickness of the component, which is 0.33mm. This thin profile further contributes to its suitability for slim and compact electronic assemblies.
• Temp. Chara. (CH): The CH temperature characteristic indicates a very stable capacitance over a wide operating temperature range. Specifically, for CH, the capacitance change is 0 ±60ppm/°C from -25°C to +85°C, making it highly suitable for applications requiring stable performance across varying ambient temperatures.
• Component Type (Ceramic Capacitor (MLCC)): This specifies that it is a Multi-Layer Ceramic Capacitor, which uses multiple layers of ceramic dielectric and metal electrodes to achieve high capacitance in a small volume. MLCCs are known for their high reliability, low ESR, and excellent high-frequency characteristics.
• Product Status (Obsolete): It is important to note that this specific part number is listed as obsolete. While it may still be available through existing stock, designers should consider alternative, currently active parts for new designs to ensure long-term supply.
• Rated Voltage [DC] / V (25): This is the maximum DC voltage that can be continuously applied across the capacitor without causing damage or breakdown. A 25V rating makes it suitable for many low-voltage digital and analog circuits.
• Cap.Change or Temp.Coef. (0±60ppm/°C): This reiterates the excellent temperature stability of the CH dielectric. A low temperature coefficient means the capacitance value changes very little with temperature fluctuations, ensuring consistent circuit performance.
• Operating Temp. Range / °C (-25 to 85): This defines the ambient temperature range within which the capacitor is designed to operate reliably. This range covers typical indoor and many outdoor commercial environments.

Features and Benefits

• Ultra-Compact Size (EIA 0201): Its minuscule dimensions enable significant space savings on PCBs, crucial for miniaturized electronic devices and high-density circuit designs.
• Excellent Temperature Stability (CH Characteristic): The CH temperature characteristic ensures that the 18pF capacitance remains highly stable across a wide operating temperature range (-25°C to 85°C), leading to predictable circuit performance.
• High Reliability from TDK: Manufactured by TDK, a leader in passive components, this MLCC benefits from stringent quality control and advanced manufacturing processes, ensuring long-term reliability and consistent performance.
• Versatile Commercial Grade Application: Suitable for a broad spectrum of commercial electronics, offering a cost-effective solution for general-purpose filtering, decoupling, and timing applications.
• Low ESR and ESL: As an MLCC, it inherently offers low equivalent series resistance (ESR) and equivalent series inductance (ESL), which are beneficial for high-frequency applications and effective noise suppression.

Typical Applications

• Smartphones and Wearable Devices: The C0603CH1E180K030BA’s extremely small footprint and stable performance make it ideal for decoupling and filtering in the dense circuitry of mobile phones, smartwatches, and fitness trackers, where space is at an absolute premium.
• IoT Modules and Sensors: In compact Internet of Things (IoT) devices and wireless sensor nodes, this capacitor can be used for power supply decoupling, signal coupling, and timing circuits, contributing to the overall miniaturization and energy efficiency of the module.
• Portable Consumer Electronics: From digital cameras to portable audio players, the component’s small size and reliability are beneficial for general filtering and bypassing functions in battery-powered devices where compact design is essential.
• Communication Modules: In Wi-Fi, Bluetooth, or cellular communication modules, the 18pF capacitance can be utilized in RF matching networks, resonant circuits, or as a bypass capacitor for high-frequency signals, leveraging its low ESR and ESL characteristics.
• Industrial Control Systems (Compact Boards): For compact industrial control boards or embedded systems where space is limited but stable operation is required, this MLCC can perform critical filtering and voltage stabilization tasks for microcontrollers and other ICs.

While the C0603CH1E180K030BA is currently listed as obsolete, it remains a testament to TDK’s engineering prowess in ceramic capacitors. For current designs, customers are encouraged to seek active alternatives with similar specifications. This component, along with a wide range of other electronic parts, is stocked and shipped across India by Cirkit Electro Components, Mumbai, ensuring prompt delivery for your project needs.

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