Equivalent & Substitute Parts for RG2012P-201-B-T1

Part Overview

The RG2012P-201-B-T1 is a 200 Ohms ±0.1% 0.125W (1/8W) chip resistor in 0805 (2012 Metric) package manufactured by Susumu. This thin film resistor features anti-sulfur coating and automotive AEC-Q200 qualification, designed for high-reliability applications in automotive and industrial environments. The part is currently obsolete, with 1,114 pieces available in stock. Due to its obsolete status, equivalent and substitute parts from active product lines are necessary for ongoing design support and procurement continuity.

Key Parameters

Parameter	Value
Resistance	200 Ohms
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
Automotive Rating	AEC-Q200
Size	0.079" L x 0.049" W (2.00mm x 1.25mm)
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution of the RG2012P-201-B-T1 is determined by the following critical parameters:

Mandatory Matching Parameters:

Resistance value: 200 Ohms
Package type: 0805 (2012 Metric)
Power rating: 0.125W (1/8W)
Composition: Thin Film
Operating temperature range: -55°C ~ 155°C minimum
RoHS compliance: ROHS3 Compliant

Allowable Variations:

Tolerance: Can be equal or tighter (±0.1%, ±0.05%, ±0.02%)
Temperature coefficient: Can be equal or lower (±25ppm/°C, ±10ppm/°C, ±5ppm/°C)
Packaging format: Tape & Reel (TR) acceptable as substitute for bulk packaging
Automotive rating: AEC-Q200 preferred but not mandatory for all applications
Height seated: Minor variations acceptable within component specifications

Substitute parts are grouped into direct equivalents (same tolerance and temperature coefficient) and upgrades (improved tolerance or temperature coefficient performance).

Parameter Comparison

Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Temp Coeff (ppm/°C)	Operating Temp (°C)	Package	AEC-Q200	Status	Inventory (Pcs)
RG2012P-201-B-T1	Susumu	200Ω	±0.1%	0.125	±25	-55 ~ 155	0805	Yes	Obsolete	1,114
RG2012P-201-B-T5	Susumu	200Ω	±0.1%	0.125	±25	-55 ~ 155	0805	Yes	Active	34,265
RG2012N-201-B-T5	Susumu	200Ω	±0.1%	0.125	±10	-55 ~ 155	0805	Yes	Active	703
RG2012N-201-W-T5	Susumu	200Ω	±0.05%	0.125	±10	-55 ~ 155	0805	Yes	Active	6,066
RG2012P-201-W-T5	Susumu	200Ω	±0.05%	0.125	±25	-55 ~ 155	0805	Yes	Active	965
RG2012V-201-B-T5	Susumu	200Ω	±0.1%	0.125	±5	-55 ~ 155	0805	Yes	Active	1,140
RG2012V-201-P-T1	Susumu	200Ω	±0.02%	0.125	±5	-55 ~ 155	0805	Yes	Active	973
RG2012V-201-W-T1	Susumu	200Ω	±0.05%	0.125	±5	-55 ~ 155	0805	Yes	Active	890
RG2012V-201-W-T5	Susumu	200Ω	±0.05%	0.125	±5	-55 ~ 155	0805	Yes	Active	1,086
ERA-6AEB201V	Panasonic Electronic Components	200Ω	±0.1%	0.125	±25	-55 ~ 155	0805	Yes	Active	34,786
MCU08050D2000BP100	Vishay Beyschlag/Draloric/BC Components	200Ω	±0.1%	0.125	±25	-55 ~ 125	0805	No	Active	922

Engineering Selection Recommendations

Direct Equivalent (Same Electrical Performance):

RG2012P-201-B-T5 is the primary direct equivalent to RG2012P-201-B-T1. Both parts share identical electrical specifications: 200 Ohms ±0.1% tolerance, 0.125W power rating, ±25ppm/°C temperature coefficient, and AEC-Q200 automotive qualification. The only difference is packaging format (Tape & Reel versus bulk). RG2012P-201-B-T5 is active with 34,265 pieces in stock, providing superior procurement continuity.

ERA-6AEB201V from Panasonic Electronic Components is an alternative direct equivalent with identical electrical specifications and AEC-Q200 qualification. This part offers high inventory availability (34,786 pieces) and represents a cross-manufacturer option.

Upgraded Performance Options:

RG2012V-201-B-T5 provides improved temperature coefficient performance (±5ppm/°C versus ±25ppm/°C) while maintaining ±0.1% tolerance and AEC-Q200 qualification. This upgrade is suitable for applications requiring enhanced temperature stability.

RG2012N-201-W-T5 and RG2012V-201-W-T5 offer tighter tolerance (±0.05%) with improved temperature coefficients (±10ppm/°C and ±5ppm/°C respectively). These upgrades are appropriate for precision measurement and signal conditioning circuits.

RG2012V-201-P-T1 represents the highest performance option with ±0.02% tolerance and ±5ppm/°C temperature coefficient, suitable for reference circuits and precision instrumentation.

Cross-Manufacturer Alternative:

MCU08050D2000BP100 from Vishay Beyschlag/Draloric/BC Components matches the electrical specifications of the main part (200 Ohms ±0.1%, 0.125W, ±25ppm/°C). However, this part lacks AEC-Q200 automotive qualification and has a reduced operating temperature upper limit of 125°C (versus 155°C). Selection of this part requires verification that automotive qualification is not mandatory for the application.

Frequently Asked Questions (FAQ)

Q: Can RG2012P-201-B-T5 be used as a direct replacement for RG2012P-201-B-T1?

A: Yes. RG2012P-201-B-T5 is a direct equivalent with identical electrical specifications (200 Ohms ±0.1%, 0.125W, ±25ppm/°C) and AEC-Q200 qualification. The only difference is packaging format (Tape & Reel). Both parts are functionally interchangeable in circuit applications.

Q: What is the difference between the RG2012P, RG2012N, and RG2012V series?

A: These designations indicate different temperature coefficient grades. RG2012P has ±25ppm/°C, RG2012N has ±10ppm/°C, and RG2012V has ±5ppm/°C. All three series are available in multiple tolerance grades (±0.1%, ±0.05%, ±0.02%). Selection depends on the thermal stability requirements of the application.

Q: Are all substitute parts AEC-Q200 qualified?

A: All Susumu RG series parts and the Panasonic ERA-6AEB201V are AEC-Q200 qualified. The Vishay MCU08050D2000BP100 does not carry AEC-Q200 qualification. For automotive applications requiring AEC-Q200 compliance, use only the qualified parts.

Q: What is the significance of the tolerance grades (±0.1%, ±0.05%, ±0.02%)?

A: Tolerance grade defines the maximum allowable deviation from the nominal 200 Ohm value. ±0.1% allows ±0.2 Ohms deviation, ±0.05% allows ±0.1 Ohms deviation, and ±0.02% allows ±0.04 Ohms deviation. Tighter tolerances are required for precision circuits such as gain-setting resistors in operational amplifiers or reference dividers.

Q: Can I substitute a part with a lower temperature coefficient?

A: Yes. A lower temperature coefficient (±5ppm/°C or ±10ppm/°C) is a performance upgrade and is functionally compatible with applications designed for ±25ppm/°C. The part will exhibit better temperature stability than the original specification.

Q: What is the difference between Tape & Reel (TR) and bulk packaging?

A: Tape & Reel packaging is suitable for automated assembly processes and high-volume production. Bulk packaging is typically used for manual assembly or lower-volume applications. Both formats contain the same component; the difference is in delivery and handling format only.

Q: Is the MCU08050D2000BP100 suitable for automotive applications?

A: The MCU08050D2000BP100 lacks AEC-Q200 automotive qualification and has a reduced maximum operating temperature of 125°C compared to 155°C for qualified parts. Use this part only in non-automotive applications or where automotive qualification is not required.

Q: What is the operating temperature range significance?

A: The operating temperature range (-55°C ~ 155°C for most parts, -55°C ~ 125°C for MCU08050D2000BP100) defines the environmental conditions under which the resistor maintains its specified electrical characteristics. Applications in automotive underhood environments typically require the full -55°C ~ 155°C range.

Q: Can I use RG2012V-201-P-T1 in place of RG2012P-201-B-T1?

A: Yes. RG2012V-201-P-T1 is a performance upgrade with tighter tolerance (±0.02% versus ±0.1%) and superior temperature coefficient (±5ppm/°C versus ±25ppm/°C). It is fully compatible and will provide enhanced precision and stability in the circuit.

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