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77083271

77083271 Description

The 77083271 from CTS Resistor Products (a division of CTS Corporation) is a 4-resistor network designed for precision applications in through-hole mounting configurations. This obsolete yet reliable component features isolated resistors, each with a 270Ω resistance and a tight ±2% tolerance, ensuring consistent performance in demanding circuits. Its ±100ppm/°C temperature coefficient and 100mW power rating per element make it suitable for stable operation across varying environmental conditions. The 8-pin SIP (Single In-line Package) design measures 0.800" x 0.098" (20.32mm x 2.50mm) with a seated height of 0.195" (4.95mm), offering a compact footprint for space-constrained layouts.

77083271 Features

• High Precision: ±2% tolerance and ±100ppm/°C stability for reliable signal conditioning.
• Robust Construction: Through-hole mounting ensures mechanical durability in harsh environments.
• Isolated Circuit Design: Independent resistors minimize crosstalk in multi-channel applications.
• Compliance: ROHS3 and REACH Unaffected, meeting environmental standards.
• Non-MSIL: Not Applicable moisture sensitivity simplifies storage and handling.
• Bulk Packaging: Cost-effective for medium- to high-volume production.

77083271 Applications

Ideal for legacy or maintenance-critical systems, the 77083271 excels in:

• Analog Signal Processing: Voltage dividers, pull-up/pull-down networks.
• Industrial Controls: PLCs, sensor interfaces, and instrumentation.
• Power Management: Current-limiting circuits in power supplies.
• Retrofit Designs: Replacing older resistor arrays without PCB redesign.

Conclusion of 77083271

While marked obsolete, the 77083271 remains a viable choice for engineers seeking a high-precision, through-hole resistor network with proven reliability. Its isolated 270Ω resistors, robust SIP package, and compliance with modern environmental standards make it a pragmatic solution for legacy systems, industrial hardware, and applications demanding stable resistance values. For designs requiring long-term availability, consider verifying alternative models within the CTS 770 series.