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1549 Datasheet: 50V 18pF Capacitor – FH (Guangdong Fenghua)

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Component 1549

Capacitors — Manufactured by FH(Guangdong Fenghua Advanced Tech)

This 18pF 0402 MLCC is a high-precision component utilizing the ultra-stable C0G (NP0) dielectric, which ensures minimal capacitance variation over temperature and voltage. Rated at 50V DC with a tight ±5% tolerance, it is ideal for demanding RF, timing, and filtering applications where signal integrity is critical. Its monolithic construction provides superior mechanical strength and high reliability in compact, high-density PCB layouts. Fully compliant with RoHS standards and designed for modern SMT processes, it supports both reflow and wave soldering for versatile manufacturing options.

18pF 50V C0G ±5% 0402 Multilayer Ceramic Capacitors MLCC – SMD/SMT ROHS

📦 0402
⚙️ MLCC (C0G/NP0)
🌿 RoHS Compliant
  • Max Voltage (Vmax): 50V
  • Operating Temperature: -55°C to +125°C
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$0.0010963

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✨ Key Features

Monolithic laminated structure for enhanced reliability; Excellent solderability and resistance to soldering heat; Compatible with both reflow and wave soldering processes; Highly stable capacitance performance; Compliant with GB/T 21041-2007 and GB/T 21042-2007 standards.

🎯 Applications

Analog and digital modems, LAN/WAN interfaces, lighting ballast circuits, voltage multipliers, DC-DC converters, and back-lighting inverters.

⚡ Electrical Characteristics

Capacitance: 18pF; Rated Voltage: 50V DC; Dielectric: C0G (NP0); Tolerance: ±5%; Features low dissipation factor and high Q-factor characteristic of Class I ceramic materials.

⚠️ Absolute Maximum Ratings

Maximum Operating Voltage: 50V DC; Operating Temperature Range: -55°C to +125°C; Specifically designed for high-voltage reliability to improve electronic circuit performance.

🔌 Pinout & Connection Diagram

Standard 0402 SMD package (Metric 1005). This is a two-terminal passive device where terminals are non-polarized and interchangeable.

🔄 Equivalent & Alternative Components

  • Samsung CL05C180JB5NNNC
  • Murata GRM1555C1H180JA01D
  • TDK C1005C0G1H180J050BA

❓ Frequently Asked Questions

What makes the C0G dielectric superior for this 18pF capacitor?

C0G (NP0) is an ultra-stable Class I dielectric that exhibits no capacitance drift over time and has a near-zero temperature coefficient, making it the gold standard for precision and RF applications.

Can this capacitor be used in high-voltage circuits?

While this specific part is rated for 50V, it belongs to a series designed with special high-voltage reliability features that optimize performance in DC high-voltage lines compared to standard MLCCs.

Is this component suitable for automated SMT assembly?

Yes, its 0402 footprint and monolithic structure are optimized for high-speed surface mount technology (SMT) and can withstand standard industrial soldering profiles.

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