RG2012P-4752-B-T1 Equivalent & Substitute Parts

Part Overview

The RG2012P-4752-B-T1 is a 47.5 kOhms ±0.1% thin film chip resistor in 0805 (2012 Metric) package rated for 0.125W (1/8W) power dissipation. Manufactured by Susumu, this component features anti-sulfur coating and automotive AEC-Q200 qualification, suitable for high-reliability applications in harsh environments. The part carries obsolete product status, necessitating identification of active equivalent and substitute components to maintain design continuity and ensure supply chain availability.

Key Parameters

Parameter	Value
Resistance	47.5 kOhms
Tolerance	±0.1%
Power Rating	0.125W (1/8W)
Package	0805 (2012 Metric)
Composition	Thin Film
Temperature Coefficient	±25ppm/°C
Operating Temperature Range	-55°C ~ 155°C
Features	Anti-Sulfur, Automotive AEC-Q200
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution of the RG2012P-4752-B-T1 is determined by strict equivalence across the following critical parameters:

Primary Substitution Criteria:

Resistance value: 47.5 kOhms (exact match required)
Tolerance: ±0.1% or tighter (±0.05% acceptable as upgrade)
Package: 0805 (2012 Metric) form factor
Composition: Thin film construction
Power rating: 0.125W minimum (higher ratings acceptable)
Temperature coefficient: ±25ppm/°C or better
Operating temperature range: -55°C to 155°C minimum
RoHS3 compliance required

Direct Equivalents maintain all electrical and mechanical specifications identical to the main part, differing only in packaging format (Tape & Reel vs. bulk) or minor manufacturing variants.

Upgrade Substitutes offer improved performance through tighter tolerance (±0.05%), lower temperature coefficient (±10ppm/°C), or higher power ratings (0.25W, 0.26W), while maintaining full backward compatibility.

Cross-Manufacturer Substitutes from Panasonic, Vishay, TE Connectivity, and YAGEO provide functionally equivalent components meeting the same electrical specifications and automotive qualification standards.

Parameter Comparison

Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Temp Coeff (ppm/°C)	Op Temp Range (°C)	AEC-Q200	Status
RG2012P-4752-B-T1	Susumu	47.5 kΩ	±0.1%	0.125	±25	-55 ~ 155	Yes	Obsolete
RG2012P-4752-B-T5	Susumu	47.5 kΩ	±0.1%	0.125	±25	-55 ~ 155	Yes	Active
RG2012N-4752-B-T5	Susumu	47.5 kΩ	±0.1%	0.125	±10	-55 ~ 155	Yes	Active
RG2012N-4752-W-T1	Susumu	47.5 kΩ	±0.05%	0.125	±10	-55 ~ 155	Yes	Active
RG2012P-4752-W-T5	Susumu	47.5 kΩ	±0.05%	0.125	±25	-55 ~ 155	Yes	Active
ERA-6AEB4752V	Panasonic	47.5 kΩ	±0.1%	0.125	±25	-55 ~ 155	Yes	Active
MCU08050D4752BP100	Vishay Beyschlag	47.5 kΩ	±0.1%	0.125	±25	-55 ~ 125	No	Active
MCU08050D4752BP500	Vishay Beyschlag	47.5 kΩ	±0.1%	0.125	±25	-55 ~ 125	No	Active
RP73PF2A47K5BTDF	TE Connectivity	47.5 kΩ	±0.1%	0.25	±25	-55 ~ 155	No	Active
RT0805BRD0747K5L	YAGEO	47.5 kΩ	±0.1%	0.125	±25	-55 ~ 155	No	Active
TNPW080547K5BEEA	Vishay Dale	47.5 kΩ	±0.1%	0.26	±25	-55 ~ 175	Yes	Active

Engineering Selection Recommendations

Tier 1 - Direct Equivalents (Recommended Primary Substitutes):

RG2012P-4752-B-T5 (Susumu) and ERA-6AEB4752V (Panasonic) provide direct electrical and mechanical equivalence to the obsolete RG2012P-4752-B-T1. Both maintain ±0.1% tolerance, 0.125W power rating, ±25ppm/°C temperature coefficient, and -55°C to 155°C operating range. Both carry AEC-Q200 automotive qualification and ROHS3 compliance. RG2012P-4752-B-T5 remains within the original manufacturer family, while ERA-6AEB4752V offers cross-manufacturer compatibility with established supply availability (10,483 units in stock).

Tier 2 - Upgraded Susumu Variants:

RG2012N-4752-B-T5 and RG2012N-4752-W-T1 represent performance upgrades within the Susumu RG series. RG2012N-4752-B-T5 improves temperature coefficient to ±10ppm/°C while maintaining all other specifications. RG2012N-4752-W-T1 combines ±10ppm/°C temperature coefficient with tighter ±0.05% tolerance. Both are active products with AEC-Q200 qualification suitable for applications requiring enhanced stability.

Tier 3 - Higher Power Alternatives:

RP73PF2A47K5BTDF (TE Connectivity) and TNPW080547K5BEEA (Vishay Dale) offer increased power dissipation (0.25W and 0.26W respectively) in the same 0805 package. TNPW080547K5BEEA extends operating temperature to 175°C and carries AEC-Q200 qualification, making it suitable for high-temperature automotive applications. These components provide thermal margin for designs operating near power limits.

Tier 4 - Cross-Manufacturer Standard Equivalents:

MCU08050D4752BP100, MCU08050D4752BP500 (Vishay Beyschlag), and RT0805BRD0747K5L (YAGEO) provide functional equivalence with ±0.1% tolerance and 0.125W rating. Operating temperature range for Vishay MCU series is limited to -55°C to 125°C (5°C below main part specification). YAGEO RT0805BRD0747K5L maintains full -55°C to 155°C range without AEC-Q200 designation.

Selection Criteria by Application:

For automotive applications requiring AEC-Q200 compliance: RG2012P-4752-B-T5, ERA-6AEB4752V, or TNPW080547K5BEEA.

For applications requiring superior temperature stability: RG2012N-4752-B-T5 or RG2012N-4752-W-T1.

For applications requiring tighter tolerance: RG2012N-4752-W-T1 or RG2012P-4752-W-T5.

For high-temperature environments: TNPW080547K5BEEA (175°C maximum).

Frequently Asked Questions (FAQ)

Q: Can RG2012P-4752-B-T5 be used as a direct replacement for RG2012P-4752-B-T1?

A: Yes. Both parts share identical electrical specifications (47.5 kΩ ±0.1%, 0.125W, ±25ppm/°C, -55°C to 155°C) and mechanical package (0805). The primary difference is packaging format: RG2012P-4752-B-T1 uses bulk packaging while RG2012P-4752-B-T5 is supplied in Tape & Reel format. Both carry AEC-Q200 qualification and ROHS3 compliance.

Q: What is the difference between RG2012N and RG2012P series?

A: The RG2012N series offers improved temperature coefficient (±10ppm/°C) compared to RG2012P (±25ppm/°C). The "N" designation indicates enhanced stability. For applications sensitive to temperature-induced resistance drift, RG2012N variants provide superior performance while maintaining identical resistance value and tolerance.

Q: Can I use RP73PF2A47K5BTDF as a substitute despite its 0.25W rating versus 0.125W?

A: Yes, for most applications. Higher power rating provides thermal margin and does not degrade performance in circuits designed for 0.125W dissipation. The component occupies the same 0805 package footprint. However, verify that the slightly increased height (0.026" vs. 0.020" maximum) does not conflict with board layout constraints.

Q: Are there any temperature range limitations when substituting with MCU08050D4752BP series?

A: Yes. MCU08050D4752BP100 and MCU08050D4752BP500 operate to 125°C maximum, which is 30°C below the original RG2012P-4752-B-T1 specification (-55°C to 155°C). These parts are not suitable for applications requiring the full 155°C upper temperature limit. Verify application temperature requirements before selection.

Q: Does ERA-6AEB4752V provide equivalent automotive qualification?

A: Yes. ERA-6AEB4752V carries AEC-Q200 automotive qualification identical to the original part. It is manufactured by Panasonic Electronic Components and maintains all critical electrical parameters (47.5 kΩ ±0.1%, 0.125W, ±25ppm/°C, -55°C to 155°C). This part is suitable for automotive applications requiring AEC-Q200 compliance.

Q: What is the significance of the "W" designation in part numbers like RG2012N-4752-W-T1?

A: The "W" designation indicates tighter tolerance specification (±0.05%) compared to "B" designation (±0.1%). RG2012N-4752-W-T1 combines ±0.05% tolerance with ±10ppm/°C temperature coefficient, providing superior accuracy for precision analog circuits and measurement applications.

Q: Can TNPW080547K5BEEA be used in applications requiring AEC-Q200 qualification?

A: Yes. TNPW080547K5BEEA carries AEC-Q200 automotive qualification and is rated for -55°C to 175°C operation. It provides the highest temperature capability among available substitutes and includes anti-sulfur and moisture-resistant features suitable for harsh automotive environments.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All listed substitute parts carry ROHS3 compliance status. All parts also maintain Moisture Sensitivity Level 1 (Unlimited), indicating no special moisture handling requirements during storage or assembly.

Q: What packaging formats are available for substitute parts?

A: Most active substitutes are supplied in Tape & Reel (TR) format for automated assembly. RT0805BRD0747K5L is available in Cut Tape (CT) & Digi-Reel format. Verify packaging compatibility with your procurement and assembly processes before final selection.

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