RT0805FRE07178KL Equivalent & Substitute Parts

Part Overview

The RT0805FRE07178KL is a 178 kOhms ±1% thin film chip resistor in 0805 (2012 Metric) package rated at 0.125W (1/8W) power dissipation. Manufactured by YAGEO, this component is actively produced and ROHS3 compliant. Substitute parts are identified based on matching resistance value, package form factor, and electrical performance within acceptable tolerance and power rating parameters.

Key Parameters

Parameter	Value
Resistance	178 kOhms
Tolerance	±1%
Power Rating	0.125W (1/8W)
Package / Case	0805 (2012 Metric)
Composition	Thin Film
Temperature Coefficient	±50ppm/°C
Operating Temperature Range	-55°C ~ 155°C
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitute parts for the RT0805FRE07178KL are qualified based on the following criteria:

Resistance Value: All substitutes maintain 178 kOhms nominal resistance
Package Compatibility: All substitutes use 0805 (2012 Metric) package with identical footprint dimensions (0.079" L x 0.049" W)
Composition: All substitutes are thin film resistors
Operating Temperature Range: All substitutes support -55°C ~ 155°C operating range
Compliance: All substitutes are ROHS3 compliant with MSL 1 rating

Substitutes are grouped by tolerance and power rating specifications. Tighter tolerance parts (±0.1%) and higher power ratings (0.25W) represent performance upgrades. Automotive-qualified variants (AEC-Q200) are available for applications requiring automotive-grade reliability.

Parameter Comparison

Part Number	Manufacturer	Resistance	Tolerance	Power Rating	Temp Coefficient	Features	Product Status
RT0805FRE07178KL	YAGEO	178 kOhms	±1%	0.125W	±50ppm/°C	—	Active
RT0805BRD07178KL	YAGEO	178 kOhms	±0.1%	0.125W	±25ppm/°C	—	Active
1-2176094-8	TE Connectivity	178 kOhms	±0.1%	0.25W	±25ppm/°C	—	Active
ERA-6AEB1783V	Panasonic	178 kOhms	±0.1%	0.125W	±25ppm/°C	AEC-Q200	Active
ERA-6AED1783V	Panasonic	178 kOhms	±0.5%	0.125W	±25ppm/°C	AEC-Q200	Active

Engineering Selection Recommendations

Direct Substitutes (Same Specifications)

No substitute part maintains identical tolerance (±1%) and temperature coefficient (±50ppm/°C) specifications. All listed substitutes offer improved tolerance or power rating performance.

Tolerance Upgrade Path

RT0805BRD07178KL (YAGEO) and ERA-6AEB1783V (Panasonic) both provide ±0.1% tolerance with improved temperature coefficient (±25ppm/°C) while maintaining 0.125W power rating and 0805 package compatibility. Both are ROHS3 compliant and actively produced.

Power Rating Upgrade

1-2176094-8 (TE Connectivity) provides 0.25W power rating with ±0.1% tolerance and ±25ppm/°C temperature coefficient. This part supports higher dissipation applications while maintaining package compatibility.

Automotive Applications

ERA-6AEB1783V and ERA-6AED1783V (Panasonic ERA-6A series) are AEC-Q200 qualified for automotive use. ERA-6AEB1783V matches tolerance upgrade specifications; ERA-6AED1783V provides ±0.5% tolerance with automotive qualification.

All substitute parts are actively produced with confirmed inventory availability and ROHS3 compliance.

Frequently Asked Questions (FAQ)

Q: Can RT0805BRD07178KL replace RT0805FRE07178KL in any application?

A: RT0805BRD07178KL is a direct footprint and functional replacement. It provides tighter tolerance (±0.1% vs ±1%) and lower temperature coefficient (±25ppm/°C vs ±50ppm/°C). Power rating and package dimensions are identical. Substitution is valid for all applications where the original part is specified.

Q: What is the difference between ERA-6AEB1783V and ERA-6AED1783V?

A: Both are Panasonic ERA-6A series parts with AEC-Q200 automotive qualification. ERA-6AEB1783V provides ±0.1% tolerance; ERA-6AED1783V provides ±0.5% tolerance. Both share identical power rating (0.125W), temperature coefficient (±25ppm/°C), and package specifications.

Q: When should I use 1-2176094-8 instead of other substitutes?

A: 1-2176094-8 is specified when application power dissipation requirements exceed 0.125W. This TE Connectivity part provides 0.25W power rating with ±0.1% tolerance and ±25ppm/°C temperature coefficient. Package footprint remains 0805 compatible.

Q: Are all substitute parts ROHS3 compliant?

A: All listed substitute parts are ROHS3 compliant with MSL 1 (Unlimited) moisture sensitivity rating, matching the original RT0805FRE07178KL specifications.

Q: Can I use automotive-qualified parts in non-automotive applications?

A: Yes. ERA-6AEB1783V and ERA-6AED1783V are AEC-Q200 qualified but function in any application. Automotive qualification represents additional reliability testing and does not restrict use in standard industrial or consumer applications.

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