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77081201

77081201 Description

The 77081201 from CTS Resistor Products (a division of CTS Corporation) is a 7-resistor bussed network designed for through-hole mounting. This obsolete but REACH-unaffected component features a compact 8-pin SIP package with a 200Ω resistance per element, offering a ±2% tolerance and ±100ppm/°C temperature coefficient. Its 100mW power rating per resistor and bussed circuit topology simplify design integration, while the ROHS3 compliance ensures environmental safety. The network’s dimensions (20.32mm x 2.50mm) and 4.95mm seated height make it suitable for space-constrained applications.

77081201 Features

• High Density: Integrates 7 resistors in an 8-pin SIP package, reducing PCB footprint.
• Stable Performance: ±100ppm/°C temperature coefficient ensures reliability across operating conditions.
• Bussed Configuration: Simplifies circuit design by connecting resistors in a common-node topology.
• Robust Construction: Through-hole mounting enhances mechanical stability for harsh environments.
• Compliance: Meets ROHS3 and EAR99 standards, with REACH unaffected status.
• Moisture Resistance: MSL Not Applicable rating eliminates concerns about humidity sensitivity.

77081201 Applications

Ideal for analog signal conditioning, pull-up/pull-down networks, and voltage divider circuits in industrial and consumer electronics. Its bussed design suits bus termination in legacy digital systems, while the 100mW power handling supports low-power control circuits. Common uses include:

• Industrial PLCs (programmable logic controllers) for I/O interfacing.
• Automotive electronics where vibration resistance is critical.
• Test equipment requiring stable, matched resistances.
• Retrofit designs needing obsolete-component replacements.

Conclusion of 77081201

The 77081201 resistor network balances compactness, performance, and compliance, making it a pragmatic choice for legacy or low-power designs. While obsolete, its REACH/ROHS3 compliance and bussed topology offer advantages over discrete resistors in space-sensitive applications. Engineers seeking a cost-effective, high-density solution for analog or digital circuits will find this model particularly useful, despite its discontinued status.