GRM1555C1H120JA01J

Overview of GRM1555C1H120JA01J Multilayer Ceramic Capacitor (MLCC)

The Murata GRM1555C1H120JA01J is a high-reliability, general-purpose multilayer ceramic capacitor (MLCC) designed for surface-mount technology (SMT) assembly. As part of Murata's renowned GRM series, this 0402 chip capacitor offers a stable 12 pF capacitance with a tight 5% tolerance, making it an ideal choice for precision tuning, filtering, and bypass applications in demanding environments. Its C0G (NP0) dielectric is key, providing exceptional temperature stability with virtually no change in capacitance across the full operating range of -55°C to +125°C, a critical feature for high-frequency and timing circuits. Rated for 50 VDC, this durable ceramic capacitor is engineered for long-term performance in compact consumer electronics, telecommunications infrastructure, automotive control modules, and industrial instrumentation where board space is at a premium and signal integrity is paramount.

Manufacturer Information

Murata Electronics

Key Features

• Delivers exceptional capacitance stability across a wide -55°C to +125°C temperature range using Class I C0G (NP0) dielectric.
• Enables high-density PCB designs with its ultra-compact 0402 (1005 metric) chip footprint.
• Provides reliable performance in general-purpose circuits with a 50 VDC voltage rating.
• Ensures precise circuit behavior with a low 5% capacitance tolerance.
• Facilitates automated, high-speed SMT assembly with robust ceramic construction and standard solder terminations.

Packaging Details

Chip Multilayer Ceramic Capacitor (Dimensions: 1.0mm × 0.5mm × 0.5mm), 2-Terminal, SMD/SMT Compatible. Supplied in tape and reel packaging for automated placement.

Equivalent / Alternative Parts

• GRM1555C1H120JA01D (Murata) - Identical specifications, potentially different tape and reel packaging code.
• CC0402JRNPO9BN120 (Yageo) - Similar 12pF C0G, 5%, 50V capacitor in 0402 package.
• C0402C120J5GACTU (KEMET) - Functionally equivalent 12pF ±5% C0G chip capacitor in 0402 case size.

Advantages

• Superior temperature coefficient compared to Class 2 (X7R, Y5V) MLCCs, ensuring stable performance in environments with temperature fluctuations.
• Ultra-miniature 0402 package allows for more compact and lightweight end-product designs compared to larger form factors like 0603 or 0805.
• The combination of Murata's manufacturing quality and the inherent reliability of C0G ceramic ensures long-term operational stability and low failure rates.

Lifecycle Status & Updates

Status: Active; Stable supply. No product change notifications (PCN) or discontinuance notices (PDN) are currently associated with this standard part number.

Application Examples

• RF Impedance Matching (Telecom)
• Oscillator Tank Circuits (MCU Clocking)
• High-Frequency Bypass (Power ICs)
• Precision Filtering (Medical Sensors)
• Timing Networks (Automotive ECUs)
• Coupling in Audio Circuits (Portable Devices)

Technical Specifications

• Capacitance: 12 pF
• Tolerance: ±5%
• Voltage Rating: 50 VDC
• Dielectric: C0G (NP0)
• Operating Temperature: -55°C to +125°C
• Package: 0402 (1005 Metric)

Pinout and Functionality

• No dedicated pins. This is a standard two-terminal passive component. Terminal 1 and Terminal 2 are functionally identical. Typical application involves placing the capacitor between a signal line and ground for bypass or between two points in a circuit for coupling/filtering.

FAQ Section

Q:What is the dielectric type?
A: C0G (NP0), Class I stable.

Q:What is the operating temperature?
A: Full range from -55°C to +125°C.

Q:What is the package size?
A: 0402 metric (1.0mm x 0.5mm).

Q:Is it RoHS compliant?
A: Details indicate compliance; verify specific batch.

Q:What is the capacitance tolerance?
A: ±5% for precise applications.

Q:Suitable for high-frequency use?
A: Yes, C0G is ideal for RF circuits.

Q:What is the voltage rating?
A: 50 VDC rated.