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4308H-101-181

4308H-101-181 Description

The 4308H-101-181 from Bourns Inc. is a high-performance resistor network designed for precision applications. This 7-resistor bussed array features a compact 8-pin SIP (Single In-line Package) with a 180Ω resistance per element and a tight ±2% tolerance. Its ±100ppm/°C temperature coefficient and 50ppm/°C resistor-ratio drift ensure stable performance across varying environmental conditions. The device operates at 300mW power per element and is housed in a through-hole-mount package measuring 0.784" x 0.085" (19.91mm x 2.16mm) with a 0.350" (8.89mm) seated height.

4308H-101-181 Features

• Bussed Circuit Configuration: Simplifies PCB layout by sharing a common node, reducing wiring complexity.
• High Power Handling: 300mW per resistor ensures reliability in demanding circuits.
• Low Drift & Stable TCR: ±100ppm/°C TCR and 50ppm/°C ratio drift minimize resistance variations with temperature fluctuations.
• Robust Construction: Through-hole mounting provides mechanical stability, ideal for industrial environments.
• REACH Compliance: Meets environmental standards despite being REACH Affected, ensuring global usability.
• Non-MSIL (Not Applicable): Suitable for applications where moisture sensitivity is not a concern.

4308H-101-181 Applications

This resistor array excels in:

• Analog Signal Conditioning: Precision voltage dividers in sensor interfaces.
• Industrial Control Systems: Stable biasing and pull-up/down networks in PLCs.
• Power Supply Circuits: Current-limiting and load-sharing in DC/DC converters.
• Automotive Electronics: Reliable performance in under-hood environments due to low drift.
• Test & Measurement Equipment: High-accuracy reference networks for calibration.

Conclusion of 4308H-101-181

The 4308H-101-181 stands out for its combination of precision, power handling, and compact design, making it a versatile choice for engineers needing reliable resistor networks. Its low thermal drift and bussed architecture reduce design complexity while ensuring consistent performance in harsh conditions. Ideal for industrial, automotive, and instrumentation applications, this Bourns array delivers exceptional value in a standardized SIP package.