June 08, 2026

C1812ATZ Multilayer Ceramic Chip Capacitor

The C1812ATZ is a high-reliability multilayer ceramic chip capacitor (MLCC), designed for general-purpose to moderate-demanding electronic circuits. It features an 1812 (4.5 mm × 3.2 mm) EIA package, delivering stable capacitance in a compact surface-mount form factor.

Description

C1812ATZ Multilayer Ceramic Chip Capacitor

Overview

Constructed with high-quality Class II ceramic dielectric and internal electrode layers, the C1812ATZ provides consistent electrical performance and mechanical robustness. It is optimized for automated SMT assembly, suitable for consumer, industrial, and communication electronics where space efficiency and cost-effectiveness are critical. The capacitor meets RoHS and REACH compliance standards for environmental compatibility.

Key Specifications

Manufacturer: TDK
Model: C1812ATZ
Package Size: 1812 (4.5 mm × 3.2 mm)
Dielectric Type: Class II (X7R/X5R, ±15% tolerance typical)
Capacitance Range: 1 μF to 10 μF (standard values)
Voltage Rating: 50 VDC / 100 VDC (common options)
Tolerance: ±10% (K), ±20% (M)
Operating Temperature: -55°C to +125°C
Termination: Nickel barrier, tin-plated (RoHS compliant)
Mounting: Surface-mount technology (SMT)

Core Features

Stable Dielectric Performance: X7R/X5R dielectric offers good temperature stability and capacitance retention under varying voltage and temperature conditions.
Compact 1812 Form Factor: Balances high capacitance and board space, ideal for dense PCB layouts.
Robust Construction: Ceramic body with conformal coating resists thermal shock, vibration, and moisture in industrial environments.
Lead-Free Terminations: Nickel-tin plating complies with RoHS directives, suitable for green electronics initiatives.
Cost-Effective Reliability: Commercial-grade performance with consistent quality for high-volume production.

Applications

The C1812ATZ is widely used for decoupling, filtering, and bypassing in:

Consumer electronics (power supplies, audio/video devices)
Industrial control boards and instrumentation
Telecommunication equipment
Automotive non-safety circuits (infotainment, lighting)
LED lighting drivers
General-purpose PCB assemblies

Lifecycle and Availability

The C1812ATZ is an active, mass-produced component in TDK’s commercial MLCC lineup. It is readily available through authorized distributors with short lead times for volume orders. Custom capacitance and voltage variants may be available upon request for specific application requirements.

Contact Info