C3216JB2J332M115AA C3216JB2J332M115AA Ceramic Capacitor (MLCC)

C3216JB2J332M115AA 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. As an MLCC, it offers high volumetric efficiency and reliability, making it a fundamental building block in modern electronics despite its ‘Obsolete’ product status, which often indicates a mature product line or a manufacturer’s shift to newer series while still being widely available in the distribution channel for existing designs.

Key Specifications

This TDK MLCC boasts several critical specifications that define its performance and suitability for various applications:

Apps.: Commercial Grade – This designation indicates that the capacitor is designed for general-purpose electronic applications where standard reliability and performance are required, as opposed to more stringent automotive or industrial grades. It’s suitable for a broad range of consumer electronics, computing, and telecommunications equipment.

Brand: TDK – TDK is a renowned Japanese multinational electronics company known for its high-quality passive components, including capacitors, inductors, and ferrite products. Their brand signifies reliability and adherence to industry standards.

Feature: Mid – While somewhat generic, ‘Mid’ often refers to a standard or general-purpose characteristic within TDK’s product hierarchy, suggesting it’s not an ultra-high-performance or specialized variant but a solid, dependable option for common circuit requirements.

Tolerance: ±20% – This specifies the permissible deviation of the actual capacitance value from its nominal value (3.3nF). A ±20% tolerance is common for general-purpose ceramic capacitors, indicating it’s suitable for applications where precise capacitance is not absolutely critical, such as decoupling or filtering.

L x W Size: 3.2mm x 1.6mm [EIA 1206] – This refers to the physical dimensions of the surface-mount device (SMD) capacitor. The 1206 EIA (Electronic Industries Alliance) standard package size is widely used, offering a balance between component density and ease of handling during automated assembly processes. This size is common in many circuit boards.

Capacitance: 3.3nF – This is the nominal capacitance value, meaning the capacitor can store 3.3 nanofarads of electrical charge. This value is suitable for various filtering, coupling, and timing applications in electronic circuits.

T(Max.) / mm: 1.3 – This indicates the maximum thickness of the component, which is 1.3 millimeters. This dimension is crucial for PCB layout and ensuring proper clearance in compact designs.

Temp. Chara.: JB – The ‘JB’ temperature characteristic, according to EIA standards, signifies a dielectric material with a capacitance change of ±10% over the operating temperature range of -25°C to +85°C. This makes it suitable for applications where moderate temperature stability is acceptable.

Component Type: Ceramic Capacitor (MLCC) – This confirms it is a Multilayer Ceramic Capacitor, known for their compact size, high frequency performance, and excellent reliability compared to other capacitor types.

Product Status: Obsolete – While listed as obsolete, this often means the manufacturer has introduced newer series or improved versions. However, such components are frequently still available through distributors like Cirkit Electro Components for legacy designs or long-term production needs.

Rated Voltage [DC] / V: 630 – This is the maximum DC voltage that can be continuously applied across the capacitor without risk of dielectric breakdown. A 630V rating makes this capacitor suitable for higher voltage applications, providing a robust safety margin in many circuits.

Cap.Change or Temp.Coef.: ±10% – This reiterates the capacitance change over the specified temperature range, directly correlating with the ‘JB’ temperature characteristic. It indicates how much the capacitance value can vary with temperature fluctuations.

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 performance characteristics. This range covers typical commercial and industrial indoor environments.

Features and Benefits

• High Voltage Capability: With a 630V rated voltage, the C3216JB2J332M115AA is well-suited for applications requiring robust voltage handling, providing a significant safety margin and reliability in power supply sections or high-voltage signal paths.
• Compact 1206 Package: The industry-standard 3.2mm x 1.6mm (1206) footprint allows for efficient use of PCB space, facilitating miniaturization in electronic designs while remaining manageable for automated pick-and-place assembly.
• Reliable TDK Quality: Manufactured by TDK, a leader in passive components, this capacitor benefits from stringent quality control and advanced manufacturing processes, ensuring consistent performance and long-term reliability in commercial-grade applications.
• Versatile Commercial Grade: Its commercial-grade designation makes it a cost-effective and suitable choice for a broad spectrum of general electronic devices, from consumer electronics to industrial control systems where extreme environmental conditions are not present.
• Stable Performance over Temperature: The JB temperature characteristic with a ±10% capacitance change over -25°C to 85°C ensures predictable performance in typical operating environments, crucial for maintaining circuit integrity.

Typical Applications

The C3216JB2J332M115AA ceramic capacitor finds its utility in a diverse range of electronic circuits due to its balanced specifications:

1. Power Supply Decoupling and Filtering: In DC-DC converters, AC-DC power supplies, and voltage regulators, this capacitor can be used for decoupling to suppress noise on power lines and for filtering to smooth out ripple voltages, ensuring stable power delivery to sensitive ICs and components. Its 630V rating makes it suitable for input or output filtering in higher voltage power stages.

2. Signal Coupling and DC Blocking: In analog and digital circuits, the capacitor can be employed to couple AC signals between different stages while blocking unwanted DC components. This is vital in audio amplifiers, communication circuits, and sensor interfaces to prevent DC offsets from interfering with signal integrity.

3. Resonant Circuits and Oscillators: While its ±20% tolerance might preclude it from highly precise timing applications, it can be used in less critical resonant circuits, timing circuits, and oscillators where the exact frequency is not paramount, or where tuning components are present.

4. General Purpose Filtering: Its 3.3nF capacitance and 630V rating make it suitable for various general-purpose filtering tasks, such as EMI/RFI suppression in data lines, noise reduction in control circuits, and transient voltage protection in industrial equipment.

5. Lighting and LED Drivers: In LED lighting power supplies and other high-voltage lighting applications, this capacitor can serve as a snubber capacitor to absorb voltage spikes, or as part of the filtering network to ensure stable and flicker-free operation of LED arrays.

In summary, the TDK C3216JB2J332M115AA is a versatile and robust commercial-grade MLCC, offering a valuable combination of high voltage rating, compact size, and reliable performance. Despite its ‘Obsolete’ status, it remains a viable option for many existing designs and new projects requiring these specific characteristics. This component is stocked and shipped across India by Cirkit Electro Components, Mumbai, ensuring prompt availability for your manufacturing and design needs.

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