C1608JB2A682K080AA C1608JB2A682K080AA Ceramic Capacitor (MLCC)

C1608JB2A682K080AA is a commercial-grade multilayer ceramic capacitor (MLCC) manufactured by TDK, a global leader in electronic components. This passive component is designed to store and release electrical energy, filter noise, and stabilize voltage in a wide array of electronic circuits. Its compact 0603 EIA package makes it suitable for space-constrained applications, while its robust construction ensures reliable performance. Although listed as ‘Obsolete’ by the manufacturer, it remains a critical component for maintenance, repair, and legacy system support, offering a specific set of characteristics that are still relevant for various designs.

Key Specifications

The attributes of the C1608JB2A682K080AA capacitor are crucial for understanding its functionality and suitability for specific applications:

• Applications: Commercial Grade – This designation indicates the capacitor is designed for general-purpose electronic equipment where standard reliability and performance are required, as opposed to automotive or high-reliability military applications.
• Brand: TDK – TDK is a renowned Japanese electronics company known for its high-quality passive components, ensuring a certain standard of manufacturing and performance for this MLCC.
• Feature: Mid – This likely refers to its dielectric constant or overall performance characteristics falling into a mid-range category, balancing capacitance density with temperature stability.
• Tolerance: ±10% – This specifies the permissible deviation of the actual capacitance value from the nominal 6.8nF. A ±10% tolerance is common for general-purpose capacitors, indicating it’s suitable for applications where precise capacitance is not overly critical.
• L x W Size: 1.6mm x 0.8mm [EIA 0603] – This is the physical dimension of the surface-mount device (SMD) package. The 0603 EIA code is a standard size, meaning 0.06 inches by 0.03 inches, which translates to 1.6mm by 0.8mm. This compact size is vital for miniaturized electronic assemblies.
• Capacitance: 6.8nF – This is the nominal electrical charge storage capacity of the capacitor, measured in nanofarads (nF). A 6.8nF capacitance is suitable for various filtering, coupling, and timing applications in digital and analog circuits.
• T(Max.) / mm: 0.9 – This indicates the maximum thickness of the component, which is 0.9mm. This dimension is important for mechanical design and clearance considerations on a printed circuit board (PCB).
• Temp. Chara.: JB – The JB temperature characteristic (also sometimes referred to as X5R) indicates a dielectric material that offers a capacitance change of ±10% over an operating temperature range of -25°C to +85°C. This makes it suitable for applications that experience moderate temperature variations.
• Component Type: Ceramic Capacitor (MLCC) – MLCCs are known for their small size, high-frequency performance, and low equivalent series resistance (ESR), making them ideal for decoupling and filtering in high-speed circuits.
• Product Status: Obsolete – While the manufacturer has designated this part as obsolete, it does not mean it is unusable. It implies that TDK may no longer actively produce it, but it can still be sourced for existing designs, repairs, or specific legacy projects.
• Rated Voltage [DC] / V: 100 – This is the maximum DC voltage that can be continuously applied across the capacitor without causing damage. A 100V rating provides a good margin for many common 5V, 12V, or 24V power supply applications.
• Cap.Change or Temp.Coef.: ±10% – This reiterates the capacitance change over the specified temperature range, directly correlating with the JB temperature characteristic.
• Operating Temp. Range / °C: -25 to 85 – This defines the ambient temperature range within which the capacitor is designed to operate reliably and meet its specified electrical characteristics.

Features and Benefits

• Compact 0603 Package: The small footprint of 1.6mm x 0.8mm allows for high-density PCB layouts, crucial for miniaturized electronic devices and portable equipment.
• Reliable TDK Quality: Manufactured by TDK, a leader in passive components, ensuring consistent performance and durability even for an obsolete part.
• Versatile 6.8nF Capacitance: Suitable for a broad spectrum of applications including signal coupling, decoupling, filtering, and timing circuits in various electronic designs.
• 100V DC Rated Voltage: Provides ample voltage headroom for many common power supply rails, enhancing circuit stability and longevity.
• JB Temperature Characteristic: Offers stable capacitance performance within a practical -25°C to +85°C operating range, making it suitable for commercial and industrial environments with moderate temperature fluctuations.

Typical Applications

• General Purpose Decoupling: The C1608JB2A682K080AA is frequently used to decouple power supply lines from integrated circuits, reducing noise and ensuring a stable voltage supply to sensitive components. Its 6.8nF capacitance is effective at filtering out high-frequency noise.
• Signal Coupling and Filtering: In analog circuits, it can be used to couple AC signals between stages while blocking DC, or as part of passive filter networks (RC filters) to shape frequency responses in audio or data communication applications.
• Timing Circuits: When combined with resistors, this capacitor can form RC timing circuits for oscillators, delays, or pulse generation in microcontrollers and other digital logic systems.
• Sensor Interface Circuitry: It can be employed in the input or output stages of sensor interfaces to filter out unwanted noise or to provide a stable reference for analog-to-digital conversion, ensuring accurate data acquisition.
• Legacy System Maintenance and Repair: Despite its obsolete status, this specific MPN is vital for repairing and maintaining existing electronic equipment where the original component needs to be replaced to restore functionality.

In summary, the C1608JB2A682K080AA TDK Ceramic Capacitor offers a reliable solution for various commercial-grade electronic applications requiring a 6.8nF capacitance in a compact 0603 package. Its robust specifications make it a valuable component for both new designs and legacy system support. This component is stocked and shipped across India by Cirkit Electro Components, Mumbai.

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