RT0805CRE07178RL Equivalent & Substitute Parts

Part Overview

The RT0805CRE07178RL is a 178 Ohms ±0.25% thin film chip resistor in 0805 (2012 Metric) package manufactured by YAGEO. This surface mount device is rated for 0.125W (1/8W) power dissipation and operates across -55°C to 155°C. The part is ROHS3 compliant and carries MSL 1 (Unlimited) moisture sensitivity rating. As an active product with established supply availability, equivalent and substitute parts exist from alternative manufacturers that meet or exceed the electrical and mechanical specifications of this component.

Substiute Parts

RT0805CRE07178RL

YAGEOIn Stock: 1092RT0805CRE07178RL Datasheet

Current PartRFQ

4-2176091-8

TE Connectivity Passive ProductIn Stock: 12934-2176091-8 Datasheet

DirectRFQ

ERA-6AEB1780V

Panasonic Electronic ComponentsIn Stock: 7540ERA-6AEB1780V Datasheet

UpgradeRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the RT0805CRE07178RL is determined by the following critical parameters: identical resistance value (178 Ohms), compatible package format (0805), thin film composition, and compliance with RoHS3 and MSL 1 requirements. Tolerance, power rating, and temperature coefficient may vary within acceptable ranges for equivalent functionality. The substitute parts identified maintain the same resistance value and package specification while offering improved tolerance and temperature stability characteristics.

Parameter Comparison

Engineering Selection Recommendations

The RT0805CRE07178RL can be directly substituted with either the 4-2176091-8 (TE Connectivity) or ERA-6AEB1780V (Panasonic). Both substitute parts maintain identical resistance values and package specifications while offering improved tolerance (±0.1% versus ±0.25%) and superior temperature coefficient stability (±25ppm/°C versus ±50ppm/°C). All three parts are ROHS3 compliant with MSL 1 ratings and active product status.

The ERA-6AEB1780V provides additional value through AEC-Q200 automotive qualification, suitable for applications requiring automotive-grade component reliability. The 4-2176091-8 offers increased power dissipation capability (0.25W versus 0.125W) for applications with higher thermal requirements while maintaining the same physical footprint.

Frequently Asked Questions (FAQ)

Q: Can the 4-2176091-8 be used as a direct replacement for the RT0805CRE07178RL?

A: Yes. Both parts share identical resistance (178 Ohms), package format (0805), and compliance ratings (ROHS3, MSL 1). The 4-2176091-8 offers superior tolerance and lower temperature coefficient. The increased power rating (0.25W versus 0.125W) does not prevent substitution in circuits designed for the original 0.125W specification.

Q: What is the advantage of the ERA-6AEB1780V over the original RT0805CRE07178RL?

A: The ERA-6AEB1780V provides improved tolerance (±0.1% versus ±0.25%), lower temperature coefficient (±25ppm/°C versus ±50ppm/°C), and AEC-Q200 automotive qualification. Physical dimensions and electrical performance remain compatible with the original specification.

Q: Are all three parts physically interchangeable?

A: Yes. All three parts use the 0805 (2012 Metric) package with identical footprint dimensions (0.079" L x 0.049" W). Maximum seated heights are 0.024" to 0.026", within acceptable PCB assembly tolerances.

Q: Do the substitute parts maintain the same operating temperature range?

A: Yes. All three parts operate across -55°C to 155°C, providing identical thermal performance envelope.

Q: Which substitute part should be selected for cost optimization?

A: Selection between 4-2176091-8 and ERA-6AEB1780V depends on application requirements. The 4-2176091-8 provides higher power dissipation capability. The ERA-6AEB1780V includes automotive qualification for applications requiring AEC-Q200 compliance.