Walsin Technology Corporation / Walsin MLCC Capacitors and Chip Resistors

Technical specifications and engineering selection of Walsin Technology Corporation passive components: MLCC ceramic capacitors, thick film resistors, thin film precision resistors, and power inductors.

Walsin Multilayer Ceramic Chip Capacitors MLCC

Walsin MLCC ceramic chip capacitors are manufactured in footprints from 0201 to 1812 using NP0, X5R, X7R, X6S, and X7S dielectrics. Rated for working voltages between 6.3V and 100V, they support automated SMT pick-and-place lines. These components ensure stable decoupling across industrial boards.

Standard footprints 0201 to 1812 across NP0, X5R, X7R, X6S, and X7S
Rated DC operational voltage range from 6.3V up to 100V DC working limit
High volumetric capacitance density with superior solderability on SMT
Factory Tape & Reel packaging, protective cover tapes, qualification kits

Walsin MT Series AEC-Q200 Automotive MLCC Capacitors

MT series automotive ceramic capacitors are rigorously qualified to the AEC-Q200 standard. Available in 0201 to 1210 sizes with X8G, NP0, and X7R dielectrics, they endure extreme engine bay temperatures. Flexible soft termination options prevent board cracking under severe mechanical shock.

Full AEC-Q200 automotive qualification across sizes 0201 to 1210
High-temperature dielectrics X8G, NP0, and X7R for extreme thermal profiles
Polymer soft termination architecture withstanding up to 5 mm board flex
Full reel traceability barcoding, antistatic packaging reels, sample reels

Walsin Middle and High Voltage Ceramic Chip Capacitors

Walsin high-voltage MLCC capacitors are engineered for operating thresholds from 200V to 3kV DC. Manufactured with specialized NP0 and X7R dielectric formulations, they feature surface arc-preventing coatings. These components deliver rugged transient surge protection in power inverters.

Operational rated voltage limits spanning 200V up to 3kV direct current
Robust NP0 and X7R ceramic cores with special anti-arcing dielectric coating
Engineered for industrial SMPS supplies, DC-AC inverters, and ballast boards
Factory surface-mount reels, protective blister packaging, inspection kits

Walsin WR Series General Purpose Thick Film Chip Resistors

WR series thick film chip resistors cover sizes 0201 through 2512 with resistance values from 1 Ohm to 10 MOhm. Built in 100% lead-free configurations, they offer standard tolerances of plus-minus 1% and 5%. These resistors deliver dependable long-term stability in industrial control circuits.

Standard case footprints 0201 to 2512 with lead-free terminal metallurgy
Broad resistance spectrum from 1 Ohm to 10 MOhm with 1% and 5% tolerances
Reliable power dissipation capability reaching up to 1W in 2512 packages
Tape & Reel factory packaging, embossed plastic carrier tapes, sample kits

Walsin WF Series Precision Thin Film Chip Resistors

WF series precision thin film chip resistors are sputtered onto high-purity alumina substrates. Spanning sizes 0201 to 2512, they achieve tight tolerances down to plus-minus 0.01% and TCR down to 2 ppm/C. They eliminate thermal measurement drift in precision instrumentation and test hardware.

Ultra-precise resistance tolerances down to plus-minus 0.01% on ceramic cores
Extremely low Temperature Coefficient of Resistance from 2 to 50 ppm/C
Anti-sulfuration endurance verified according to the ASTM B-809 standard
Sealed ESD reels, high-barrier moisture bags, precision calibration reels

Walsin WW Series Low Ohm Current Sensing Chip Resistors

WW series current sensing chip resistors measure current feedback in power conversion circuits. Sized from 0402 to 2512, they span values from 0.002 Ohm to 1 Ohm with ratings up to 2W. Their metal-foil structure minimizes thermal electromotive force in heavy-duty motor controllers.

Sub-ohm resistance spectrum from 0.002 Ohm (2 mOhm) up to 1 Ohm
High power dissipation capability reaching 2W within compact 2512 layouts
Accurate load current monitoring for switch-mode DC-DC converters and BMS
SMD placement reels, high-temperature carrier tapes, factory test kits

Walsin WL and WPN Series Chip Inductors and Power Chokes

Walsin inductor portfolio comprises WL ceramic high-frequency coils, CB ferrite chip beads, and WPN shielded power chokes. These parts effectively attenuate EMI noise across high-speed industrial data links. They deliver high saturation currents in DC-DC converters without magnetic core saturation.

High-frequency ceramic and wire-wound chip inductors across WL and WFI series
Shielded power inductors WPN and WPA engineered for high DC saturation currents
Ferrite chip beads CB optimized for broadband EMI filtering and noise suppression
Standard tape reels, moisture-resistant packaging trays, component label packs

Walsin VZ and MLVS Series Varistors and Circuit Protection

Walsin safety components feature VZ zinc oxide disc varistors and MLVS multilayer SMD varistors. Engineered to clamp transient voltage spikes and absorb high-energy ESD surges, they safeguard incoming power lines. They hold safety approvals complying with international Y1 and Y2 capacitor standards.

Zinc oxide disc varistors VZ rated for surge clamping voltages up to 6kV
Multilayer chip varistors MLVS designed for board-level ESD and transient clamp
Compliance with international Y1 and Y2 line-filter safety standards
Bulk and taped packaging formats, protective insulating sleeves, test reels

Design Topology and Dielectric Parameters of Walsin MLCC Ceramic Capacitors

Taiwanese manufacturer Walsin Technology Corporation engineers multilayer ceramic chip capacitors MLCC for high-reliability industrial electronics, telecom infrastructures, and switch-mode power conversion.

Monolithic ceramic-metal architectures deliver ultra-low equivalent series resistance ESR and parasitic inductance ESL across high operational frequencies.

Class 1 temperature-compensating NP0 dielectrics provide zero capacitance drift, while high-capacitance Class 2 formulations (X5R, X7R, X6S, X7S) span ratings from 6.3V up to 3kV.

Polymer soft termination variants absorb circuit board flexing up to 5 mm, preventing microcracks under harsh industrial vibration.

Precision Thin Film and Thick Film Resistor Architectures for Instrumentation

Walsin resistive portfolio encompasses general-purpose thick film chip resistors WR and ultra-precise sputtered thin film resistors WF.

WF precision series uses vacuum magnetron sputtering on high-purity alumina ceramics, achieving tight tolerances down to plus-minus 0.01% and thermal coefficients from plus-minus 2 ppm/C. Sub-ohm current-sensing resistors WW provide feedback down to 0.002 Ohm for motor control, while anti-sulfur SF series complies with ASTM B-809 testing for extended endurance in harsh industrial atmosphere.

Electromagnetic Compatibility, Power Inductors, and High-Frequency RF Filtering

To guarantee electromagnetic compatibility EMC and suppress high-frequency noise, Walsin manufactures CB ferrite chip beads, WL wire-wound inductors, and WPN magnetically shielded power chokes.

CB ferrite beads absorb parasitic high-speed transients on digital bus architectures. Magnetically shielded chokes WPN and WPA eliminate stray flux leakage, providing robust DC saturation current limits without excessive thermal buildup in switch-mode DC-DC converters.

AEC-Q200 Automotive Reliability Standards and Transient Overvoltage Suppression

Walsin dedicated MT series capacitors and WF_Q series resistors are qualified to stringent AEC-Q200 automotive standards.

Components undergo temperature cycling across extreme thermal profiles, humidity bias testing, and mechanical shock validation.

To protect sensitive semiconductors against utility power surges and electrostatic discharge, VZ zinc oxide disc varistors and MLVS multilayer varistors deliver nanosecond-speed transient clamping.

Walsin Technology Corporation / Walsin Technology and model names are trademarks of their respective owners and are used only to identify the equipment for which we source parts. SpareX is not an official dealer, distributor or representative of Walsin Technology Corporation / Walsin Technology and is not affiliated with the trademark owner. Origin, documents and warranty are stated for each item in the quotation.