WR04X4990FTL
Manufacturer: Walsin Technology
Part Type: Thick Film Chip Resistor
Resistance Value: 499 Ω
Tolerance: ±1% (F)
Power Rating: 1/16 W (0.063 W)
Package Size / Code: 0402 (EIA 1005, 1.0 mm × 0.5 mm)
Temperature Coefficient: ±100 ppm/°C
Mounting Type: Surface Mount (SMD)
Operating Temperature Range: -55°C to +155°C
Termination Finish: Tin over Nickel Barrier
Construction: Thick Film Technology
Polarity: Non-polarized
Compliance: RoHS Compliant, Halogen Free
Applications: General-purpose precision circuit applications
Key Features
The WR04X4990FTL is a compact and reliable surface-mount resistor from Walsin, built with thick film technology. With a resistance value of 499 Ω and ±1% tolerance, it provides accurate current and voltage control in compact designs. Its 0402 case size conserves PCB space, making it suitable for high-density layouts. This resistor features excellent thermal stability with a coefficient of ±100 ppm/°C, ensuring consistent performance across a wide temperature range. RoHS compliance and halogen-free materials also enhance environmental compatibility.
Applications
Smartphones and tablets
Wearable electronics
Consumer electronics power management
Industrial automation control boards
Telecommunication modules
Automotive infotainment systems
Medical handheld devices
LED drivers and lighting controls
Networking hardware
Test and measurement equipment
Product Overview
The Walsin WR04X4990FTL offers high reliability in a miniature 0402 SMD package. It combines tight tolerance, low thermal drift, and robust thick film construction to meet the requirements of modern electronic systems. Its small footprint is especially valuable for space-limited designs such as smartphones, IoT modules, and portable instruments. With a maximum operating temperature of 155°C and long-term stability, this resistor ensures dependable performance in both consumer and industrial applications.
Contact Us
For additional information about the WR04X4990FTL or other Walsin chip resistors, please call 770-870-1760 or email info@cyndtek.com. The Cyndtek team is ready to support your design and sourcing needs.