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CL31B104KBCNNNC

MLCC 0.1uF 50V X7R 10% 1206, Samsung CL series, general purpose decoupling

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Manufacturer Part：

CL31B104KBCNNNC

Package：

1206 (3216 Metric) (3.2 x 1.6 x 0.95 mm)

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Description

Product Overview

The CL31B104KBCNNNC from Samsung Electro-Mechanics is a general-purpose multilayer ceramic capacitor (MLCC) with 0.1 uF capacitance, 50V DC rated voltage, X7R temperature characteristic, and +/-10% tolerance in a 1206 (3216 metric) surface-mount package. It provides stable capacitance from -55°C to +125°C with Ni-barrier Sn termination for reliable soldering.

Key Specifications

Capacitance 0.1 uF (100 nF)
Rated Voltage 50V DC
Tolerance +/-10% (K)
Dielectric X7R (-55 to +125°C, +/-15%)
Case Size 1206 (3216 Metric)
Dimensions 3.2 x 1.6 x 0.95 mm
Termination Ni-barrier / Sn (plated)
Operating Temperature -55°C to +125°C
Series CL (Samsung MLCC)
Mounting Surface Mount (SMD)

Features

  • X7R dielectric with +/-15% temperature coefficient
  • 50V rating suitable for 12V/24V industrial rails
  • Compact 1206 footprint with 0.95 mm max height
  • Ni-barrier termination prevents solder leaching
  • No polarity, high reliability construction
  • RoHS compliant, lead-free

Applications

  • Bypass and decoupling for ICs
  • EMI filtering on signal lines
  • DC-DC converter input/output capacitors
  • Resonant and timing circuits
  • General-purpose consumer and industrial electronics

The Samsung Electro-Mechanics CL31B104KBCNNNC is a multilayer ceramic chip capacitor (MLCC) from the CL series offering 0.1 uF capacitance at 50V DC rated voltage with X7R dielectric stability in a 1206 (3216 metric) surface-mount package. The X7R dielectric provides capacitance stability of +/-15% over the full -55°C to +125°C operating range, making it suitable for decoupling, bypass, and filtering applications where moderate capacitance stability is required. The Ni-barrier Sn termination ensures reliable solder joint formation during reflow and resistance to solder leaching during multiple thermal cycles. With 0.95 mm maximum height, it fits in low-profile PCB designs including portable electronics and thin-form-factor industrial modules.

The CL31B104KBCNNNC is constructed from alternating layers of ceramic dielectric material and inner electrodes, compressed and co-fired into a monolithic block. The X7R dielectric is a Class II barium-titanate-based formulation that provides a good balance between capacitance density and temperature stability. The interleaved electrode structure gives rise to high capacitance per unit volume. The inner electrodes are connected to opposite end terminations, and the Ni-barrier layer between the inner electrode connection and the outer Sn plating prevents dissolution of the termination during soldering. The 50V DC rating means the dielectric can withstand at least 50V without breakdown, and the X7R characteristic guarantees the capacitance will not vary more than +/-15% across the specified temperature range.

Terminal Name Description
Terminal 1 Electrode A Connected to odd-layer inner electrodes
Terminal 2 Electrode B Connected to even-layer inner electrodes
  • IC Decoupling: 0.1 uF bypass capacitor placed near IC power pins to provide low-impedance charge reservoir for transient current demands
  • EMI Filtering: RC or LC filter elements on digital signal lines and I/O connectors suppressing high-frequency noise
  • DC-DC Converter: Input and output filtering capacitor in buck/boost converters with 50V rating suitable for 12V/24V rails
  • Timing Circuits: RC time constant elements in oscillator and monostable circuits where X7R stability ensures consistent timing
  • Consumer Electronics: General-purpose decoupling in TVs, set-top boxes, and appliances with 1206 size for easy pick-and-place assembly
Model Brand Cap Voltage Size
GRM31CR71H104KA01L Murata 0.1uF 50V 1206
CC1206KRX7R9BB104 Yageo 0.1uF 50V 1206
C1206C104K5RACTU KEMET 0.1uF 50V 1206
12065C104KAT2A AVX 0.1uF 50V 1206
C3216X7R1H104K160AC TDK 0.1uF 50V 1206
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