08055D105KAT2A 1µF 25V X7R 0805 Ceramic Capacitor 10% Tol High Capacitance Tape

Product Specification

08055D105KAT2A 1µF 25V X7R 0805 Ceramic Capacitor 10% Tol High Capacitance Tape & Reel Packaging AEC-Q200 Qualified for Automotive Applications

Features

High Voltage & High Capacitance Combo: Its most prominent technical highlight is the combination of 1µF high capacitance and 500V high voltage rating in a compact 0805 package, which is highly beneficial for saving space in circuit design.

Exceptional Stability: The use of C0G/NP0 dielectric ensures the capacitance value remains highly stable with temperature, frequency, and over time, with very low loss.

Ideal for High-Performance Circuits: Due to its high stability and voltage rating, it is well-suited for filtering, resonance, pulse, timing, and various demanding analog and RF circuits.

Applications

1. Noise Filtering and Decoupling in High-Voltage Circuits

Application Examples: Primary-side filtering in switch-mode power supplies (SMPS), X-capacitor discharge circuits, power supply filtering for high-voltage amplifiers.

Reason: Its high 500V voltage rating allows it to be safely used directly on high-voltage DC buses (e.g., 300V, 400V) for filtering high-frequency noise, while the stability of the C0G dielectric ensures that filtering performance does not drift with temperature changes.

2. Resonant Circuits and Impedance Matching Networks

Application Examples: RF power amplifiers, high-frequency oscillators, antenna tuning circuits, resonant converters (e.g., LLC half-bridge resonant converters).

Reason: The C0G/NP0 dielectric offers extremely low loss (DF) and a nearly zero temperature coefficient, meaning its capacitance value remains constant with changes in frequency and temperature. This is crucial for maintaining stable resonant frequency, as any capacitance drift would degrade circuit performance.

3. Pulse Forming and Snubber Circuits

Application Examples: Turn-off snubber circuits for IGBTs/MOSFETs, pulse generators, electromagnetic interference (EMI) suppression.

Reason: The high voltage rating allows it to withstand high-voltage spikes generated when switching devices (e.g., MOSFETs, IGBTs) turn off. The fast response and low loss characteristics of C0G material help effectively absorb energy and reduce ringing.

4. Timing and Waveform Generation Circuits

Application Examples: High-precision RC timing circuits, waveform shaping, trapezoidal wave generation.

Reason: The capacitance value does not significantly change over time due to aging or temperature variations, ensuring long-term stability and repeatability of time constants and frequencies.

5. Automotive Electronics and Industrial Applications

Application Examples: Electric vehicle onboard chargers (OBC), battery management systems (BMS), power modules for industrial control systems.

Reason: Although this specific component is typically commercial grade, its high voltage rating and high reliability make it suitable for demanding industrial and automotive environments (note: it should be confirmed if this specific model has AEC-Q200 certification, but C0G capacitors with similar specifications are commonly used in these fields).

6. Medical Equipment

Application Examples: High-voltage power sections in medical imaging equipment (e.g., X-ray machines), high-end diagnostic equipment.

Reason: This equipment places extremely high demands on circuit stability and reliability, where the long-term stability of C0G capacitors is a key advantage.

DESCRIPTION

• General Purpose Dielectric for Ceramic Capacitors

• EIA Class II Dielectric

• Temperature variation of capacitance is within ±15% from -55°C to +85°C

• Well suited for decoupling and filtering applications

• Available in High Capacitance values (up to 100μF)

INFORMATION

Drawing

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