RG1005P-201-B-T1 Equivalent & Substitute Parts

Part Overview

The RG1005P-201-B-T1 is a 200 Ohms ±0.1% thin film chip resistor in 0402 (1005 Metric) package rated for 0.063W (1/16W) power dissipation. Manufactured by Susumu, this component features anti-sulfur coating and automotive AEC-Q200 qualification, suitable for high-reliability applications requiring precision resistance values across extended temperature ranges from -55°C to 155°C.

The RG1005P-201-B-T1 is classified as obsolete. Equivalent and substitute parts are necessary to maintain design continuity, ensure supply chain availability, and support ongoing production requirements for applications currently utilizing this component.

Key Parameters

Parameter	Value
Resistance	200 Ohms
Tolerance	±0.1%
Power Rating	0.063W (1/16W)
Package / Case	0402 (1005 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 RG1005P-201-B-T1 is determined by the following critical parameters:

Mandatory Matching Parameters:

Resistance value: 200 Ohms
Package / Case: 0402 (1005 Metric)
Power rating: 0.063W (1/16W)
Composition: Thin Film
Operating temperature range: -55°C ~ 155°C minimum
RoHS3 compliance

Allowable Variation Parameters:

Tolerance: ±0.1% or tighter (±0.05%, ±0.02%)
Temperature coefficient: ±25ppm/°C or lower (±10ppm/°C, ±5ppm/°C)
Packaging format: Bulk or Tape & Reel (TR)
Automotive AEC-Q200 rating: Preferred but not mandatory for all substitutes

Substitute parts are grouped into two categories: direct equivalents from Susumu (same series with different packaging or improved specifications) and cross-manufacturer alternatives (TE Connectivity, Panasonic, Vishay) that meet all mandatory electrical and mechanical parameters.

Parameter Comparison

Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Temp Coeff (ppm/°C)	Package	AEC-Q200	Product Status	Inventory (Pcs)
RG1005P-201-B-T1	Susumu	200 Ω	±0.1%	0.063	±25	0402	Yes	Obsolete	681
RG1005P-201-B-T5	Susumu	200 Ω	±0.1%	0.063	±25	0402	Yes	Active	111321
RG1005N-201-B-T5	Susumu	200 Ω	±0.1%	0.063	±10	0402	Yes	Active	788
RG1005N-201-W-T1	Susumu	200 Ω	±0.05%	0.063	±10	0402	Yes	Active	833
RG1005P-201-W-T5	Susumu	200 Ω	±0.05%	0.063	±25	0402	Yes	Active	1095
RG1005V-201-B-T5	Susumu	200 Ω	±0.1%	0.063	±5	0402	Yes	Active	710
RG1005V-201-P-T1	Susumu	200 Ω	±0.02%	0.063	±5	0402	Yes	Active	731
RG1005V-201-W-T1	Susumu	200 Ω	±0.05%	0.063	±5	0402	Yes	Active	1021
CPF0402B200RE1	TE Connectivity	200 Ω	±0.1%	0.063	±25	0402	No	Active	4614
ERA-2AEB201X	Panasonic	200 Ω	±0.1%	0.063	±25	0402	Yes	Active	72440
MCS04020D2000BE100	Vishay	200 Ω	±0.1%	0.063	±25	0402	No	Active	720

Engineering Selection Recommendations

Primary Substitute (Direct Equivalent): RG1005P-201-B-T1 should be replaced with RG1005P-201-B-T5 from Susumu. This part maintains identical electrical specifications (200 Ohms ±0.1%, ±25ppm/°C temperature coefficient) and mechanical compatibility (0402 package, 0.063W power rating). The primary difference is packaging format (Tape & Reel versus bulk) and active product status. Inventory availability is significantly higher (111,321 pieces), ensuring supply continuity.

Enhanced Specification Alternatives (Susumu Series): For applications requiring improved temperature stability or tighter tolerance, the following Susumu parts provide superior performance while maintaining full compatibility:

RG1005V-201-B-T5: Reduces temperature coefficient to ±5ppm/°C while maintaining ±0.1% tolerance
RG1005V-201-P-T1: Provides ±0.02% tolerance with ±5ppm/°C temperature coefficient for precision applications
RG1005V-201-W-T1: Offers ±0.05% tolerance with ±5ppm/°C temperature coefficient

Cross-Manufacturer Alternatives: When Susumu parts are unavailable, the following active alternatives provide equivalent electrical performance:

ERA-2AEB201X (Panasonic): Maintains AEC-Q200 automotive qualification with identical specifications. Highest inventory availability (72,440 pieces).
CPF0402B200RE1 (TE Connectivity): Equivalent electrical specifications without automotive rating. Suitable for non-automotive applications.
MCS04020D2000BE100 (Vishay): Anti-sulfur thin film composition with equivalent specifications. Operating temperature range limited to -55°C ~ 125°C.

Selection Criteria:

For automotive applications requiring AEC-Q200 compliance: Select ERA-2AEB201X or any Susumu RG series part
For general industrial applications: CPF0402B200RE1 or MCS04020D2000BE100 are acceptable
For precision applications: RG1005V series parts with ±5ppm/°C temperature coefficient
For cost-optimized designs: RG1005P-201-B-T5 provides best value with active status and high availability

Frequently Asked Questions (FAQ)

Q: Can RG1005P-201-B-T1 be directly replaced with RG1005P-201-B-T5?

A: Yes. Both parts are electrically and mechanically identical with 200 Ohms ±0.1% resistance, 0.063W power rating, 0402 package, and ±25ppm/°C temperature coefficient. The primary difference is packaging format (bulk versus Tape & Reel) and product status (obsolete versus active). RG1005P-201-B-T5 is the direct successor.

Q: What is the difference between Susumu RG series variants (P, N, V)?

A: The letter designation indicates temperature coefficient performance. RG1005P series has ±25ppm/°C, RG1005N series has ±10ppm/°C, and RG1005V series has ±5ppm/°C. All maintain the same resistance value and power rating. Selection depends on application thermal stability requirements.

Q: Are cross-manufacturer parts (Panasonic, TE Connectivity, Vishay) fully compatible?

A: Electrical and mechanical compatibility is confirmed for all listed cross-manufacturer parts. All maintain 200 Ohms ±0.1%, 0.063W power rating, and 0402 package. Panasonic ERA-2AEB201X retains AEC-Q200 automotive qualification. TE Connectivity CPF0402B200RE1 and Vishay MCS04020D2000BE100 lack automotive certification but are suitable for non-automotive applications.

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

A: Tighter tolerance specifications ensure more precise resistance values. ±0.1% tolerance (original specification) is suitable for general applications. ±0.05% and ±0.02% tolerances are required for precision analog circuits, measurement instrumentation, and high-accuracy signal conditioning where component value drift impacts circuit performance.

Q: Does operating temperature range differ between substitutes?

A: Most substitutes maintain -55°C ~ 155°C operating range. Vishay MCS04020D2000BE100 is limited to -55°C ~ 125°C. Verify application temperature requirements before selecting this alternative for high-temperature environments.

Q: Is Tape & Reel packaging compatible with bulk component handling?

A: Tape & Reel packaging is standard for automated assembly processes. Bulk packaging is used for manual assembly or small-volume applications. Both formats contain identical components. Packaging selection depends on assembly methodology, not electrical compatibility.

Q: Why is inventory availability significantly different between parts?

A: Panasonic ERA-2AEB201X shows 72,440 pieces in stock compared to 681 pieces for the obsolete RG1005P-201-B-T1. Higher availability reflects active product status and broader market adoption. For new designs or high-volume production, parts with higher inventory reduce supply risk.

Q: Can RG1005V-201-P-T1 (±0.02% tolerance) be used in place of RG1005P-201-B-T1 (±0.1% tolerance)?

A: Yes. Tighter tolerance specifications are backward compatible. A ±0.02% part meets all requirements for applications designed for ±0.1% tolerance. This substitution provides improved performance without circuit redesign. Verify cost impact before implementation.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message