RT0805FRE071K4L Equivalent & Substitute Parts

Part Overview

The RT0805FRE071K4L is a 1.4 kOhms ±1% thin film chip resistor in 0805 (2012 Metric) package rated at 0.125W (1/8W). Manufactured by YAGEO under the RT series, this component is active and in production. Substitute parts are identified based on matching resistance value, package dimensions, and electrical performance within acceptable tolerance and power rating parameters.

Key Parameters

Parameter	Value
Resistance	1.4 kOhms
Tolerance	±1%
Power Rating	0.125W (1/8W)
Package / Case	0805 (2012 Metric)
Composition	Thin Film
Operating Temperature	-55°C ~ 155°C
Temperature Coefficient	±50ppm/°C
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility for the RT0805FRE071K4L is determined by the following criteria:

Primary Matching Parameters:

Resistance value: 1.4 kOhms (exact match required)
Package / Case: 0805 (2012 Metric) (exact match required)
Composition: Thin Film (exact match required)
Operating Temperature Range: -55°C ~ 155°C (minimum requirement)

Secondary Compatibility Parameters:

Tolerance: ±1% or better (tighter tolerance acceptable)
Power Rating: 0.125W minimum (equal or higher acceptable)
Temperature Coefficient: ±50ppm/°C or better (lower coefficient acceptable)
RoHS Compliance: ROHS3 Compliant (required)
Moisture Sensitivity Level: 1 (Unlimited) (required)

All identified substitute parts meet these criteria. Tolerance improvements and enhanced temperature coefficients represent performance upgrades. Power rating increases provide additional design margin.

Parameter Comparison

Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Temp Coeff (ppm/°C)	Operating Temp (°C)	Package	Features
RT0805FRE071K4L	YAGEO	1.4 kΩ	±1%	0.125	±50	-55 ~ 155	0805	—
RT0805BRD071K4L	YAGEO	1.4 kΩ	±0.1%	0.125	±25	-55 ~ 155	0805	—
RT0805DRD071K4L	YAGEO	1.4 kΩ	±0.5%	0.125	±25	-55 ~ 155	0805	—
ERA-6AEB1401V	Panasonic Electronic Components	1.4 kΩ	±0.1%	0.125	±25	-55 ~ 155	0805	Automotive AEC-Q200
RG2012P-1401-B-T5	Susumu	1.4 kΩ	±0.1%	0.125	±25	-55 ~ 155	0805	Anti-Sulfur, Automotive AEC-Q200
RP73PF2A1K4BTDF	TE Connectivity Passive Product	1.4 kΩ	±0.1%	0.25	±25	-55 ~ 155	0805	—

Engineering Selection Recommendations

YAGEO RT Series (RT0805BRD071K4L, RT0805DRD071K4L): These parts maintain YAGEO RT series continuity with improved tolerance specifications. RT0805BRD071K4L offers ±0.1% tolerance and ±25ppm/°C temperature coefficient. RT0805DRD071K4L provides ±0.5% tolerance with identical temperature performance. Both are ROHS3 compliant and suitable for direct substitution where tolerance requirements permit.

Panasonic ERA-6AEB1401V: This part adds Automotive AEC-Q200 qualification, providing enhanced reliability documentation for automotive applications. Tolerance and temperature coefficient match RT0805BRD071K4L. ROHS3 compliant. Select when automotive-grade qualification is required.

Susumu RG2012P-1401-B-T5: This part combines Automotive AEC-Q200 qualification with anti-sulfur construction. Tolerance and temperature coefficient match other ±0.1% alternatives. ROHS3 compliant. Select for automotive applications in sulfur-prone environments.

TE Connectivity RP73PF2A1K4BTDF: This part provides doubled power rating (0.25W vs. 0.125W) with ±0.1% tolerance and ±25ppm/°C temperature coefficient. ROHS3 compliant. Select when additional power dissipation margin is required within the same package footprint.

Frequently Asked Questions (FAQ)

Q: Can RT0805DRD071K4L replace RT0805FRE071K4L directly? A: Yes. Both parts share identical resistance (1.4 kOhms), package (0805), power rating (0.125W), and operating temperature range (-55°C ~ 155°C). RT0805DRD071K4L provides improved tolerance (±0.5% vs. ±1%) and temperature coefficient (±25ppm/°C vs. ±50ppm/°C), making it a direct upgrade.

Q: What is the difference between RT0805BRD071K4L and RT0805DRD071K4L? A: Both are YAGEO thin film 0805 resistors with 1.4 kOhms resistance and ±25ppm/°C temperature coefficient. RT0805BRD071K4L offers tighter tolerance (±0.1%) compared to RT0805DRD071K4L (±0.5%). Select based on circuit tolerance requirements.

Q: When should I use ERA-6AEB1401V or RG2012P-1401-B-T5? A: Use these parts when Automotive AEC-Q200 qualification is required. ERA-6AEB1401V is the standard automotive option. RG2012P-1401-B-T5 adds anti-sulfur construction for environments with sulfur exposure risk.

Q: Can RP73PF2A1K4BTDF be used as a drop-in replacement? A: Yes, with consideration for power dissipation. RP73PF2A1K4BTDF maintains identical package footprint (0805) and electrical specifications (1.4 kOhms, ±0.1%, ±25ppm/°C) but provides doubled power rating (0.25W vs. 0.125W). No circuit redesign required; it provides additional thermal margin.

Q: Are all substitute parts ROHS3 compliant? A: Yes. All listed substitute parts are ROHS3 compliant with Moisture Sensitivity Level 1 (Unlimited), matching the original RT0805FRE071K4L specifications.

Q: What determines if a part can substitute for RT0805FRE071K4L? A: Substitution requires exact matching of resistance value (1.4 kOhms), package (0805), composition (thin film), and operating temperature range (-55°C ~ 155°C). Tolerance, temperature coefficient, and power rating may be equal or improved. All parts must be ROHS3 compliant.

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