RG2012P-2152-B-T1 Equivalent & Substitute Parts

Part Overview

The RG2012P-2152-B-T1 is a 21.5 kOhms ±0.1% thin film chip resistor in 0805 (2012 Metric) package rated for 0.125W (1/8W) power dissipation. Manufactured by Susumu with anti-sulfur coating and automotive AEC-Q200 qualification, this component is designed for precision applications requiring high tolerance and temperature stability across -55°C to 155°C operating range.

The RG2012P-2152-B-T1 is classified as obsolete. Equivalent and substitute parts are available from multiple manufacturers with identical or enhanced electrical and mechanical specifications, ensuring design continuity and supply chain flexibility.

Key Parameters

Parameter	Value
Resistance	21.5 kOhms
Tolerance	±0.1%
Power Rating	0.125W (1/8W)
Package / Case	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-2152-B-T1 is determined by the following critical parameters:

Primary Substitution Criteria:

Resistance value: 21.5 kOhms (exact match required)
Tolerance: ±0.1% or tighter (±0.05% acceptable as upgrade)
Package: 0805 (2012 Metric) form factor
Power rating: 0.125W minimum (higher ratings acceptable)
Composition: Thin film technology
Operating temperature range: Must encompass -55°C to 155°C or equivalent

Secondary Compatibility Factors:

Temperature coefficient: ±25ppm/°C or better
RoHS3 compliance
Moisture sensitivity level: 1 (Unlimited)
AEC-Q200 automotive qualification (preferred for automotive applications)

Substitute parts are grouped into two categories:

Direct Substitutes: Identical electrical specifications (21.5 kOhms, ±0.1%, 0.125W, ±25ppm/°C) with equivalent or superior mechanical and environmental ratings. These parts are interchangeable without circuit redesign.

Upgrade Substitutes: Enhanced specifications including tighter tolerance (±0.05%), improved temperature coefficient (±10ppm/°C), or higher power ratings (0.25W, 0.26W). These parts provide superior performance while maintaining full backward compatibility.

Parameter Comparison

Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Temp Coeff (ppm/°C)	Temp Range (°C)	AEC-Q200	Product Status
RG2012P-2152-B-T1	Susumu	21.5 kΩ	±0.1%	0.125	±25	-55 ~ 155	Yes	Obsolete
RG2012P-2152-B-T5	Susumu	21.5 kΩ	±0.1%	0.125	±25	-55 ~ 155	Yes	Active
RG2012N-2152-B-T5	Susumu	21.5 kΩ	±0.1%	0.125	±10	-55 ~ 155	Yes	Active
RG2012N-2152-W-T1	Susumu	21.5 kΩ	±0.05%	0.125	±10	-55 ~ 155	Yes	Active
RG2012P-2152-W-T5	Susumu	21.5 kΩ	±0.05%	0.125	±25	-55 ~ 155	Yes	Active
3-2176093-5	TE Connectivity	21.5 kΩ	±0.1%	0.25	±25	-55 ~ 155	No	Active
ERA-6AEB2152V	Panasonic	21.5 kΩ	±0.1%	0.125	±25	-55 ~ 155	Yes	Active
MCU08050D2152BP100	Vishay Beyschlag	21.5 kΩ	±0.1%	0.125	±25	-55 ~ 125	No	Active
MCU08050D2152BP500	Vishay Beyschlag	21.5 kΩ	±0.1%	0.125	±25	-55 ~ 125	No	Active
RT0805BRD0721K5L	YAGEO	21.5 kΩ	±0.1%	0.125	±25	-55 ~ 155	No	Active
TNPW080521K5BEEA	Vishay Dale	21.5 kΩ	±0.1%	0.26	±25	-55 ~ 175	Yes	Active

Engineering Selection Recommendations

For Direct Replacement (Identical Specifications):

RG2012P-2152-B-T5 (Susumu) is the primary direct substitute. This part maintains identical electrical and mechanical specifications to the RG2012P-2152-B-T1 while offering active product status and improved supply availability. Both parts feature AEC-Q200 automotive qualification, anti-sulfur coating, and identical temperature performance.

ERA-6AEB2152V (Panasonic) provides an alternative direct substitute with equivalent specifications. This part is AEC-Q200 qualified and maintains the same resistance, tolerance, power rating, and operating temperature range. Higher inventory availability (9338 units) supports supply chain continuity.

RT0805BRD0721K5L (YAGEO) offers direct electrical equivalence with identical resistance, tolerance, and power rating. This part supports the full -55°C to 155°C temperature range and maintains ROHS3 compliance. Highest inventory availability (10147 units) ensures supply security.

For Enhanced Performance (Upgrade Substitutes):

RG2012N-2152-B-T5 (Susumu) provides improved temperature coefficient (±10ppm/°C versus ±25ppm/°C) while maintaining all other specifications. This upgrade is suitable for applications requiring superior temperature stability.

RG2012N-2152-W-T1 (Susumu) combines tighter tolerance (±0.05%) with improved temperature coefficient (±10ppm/°C). This upgrade addresses applications requiring enhanced precision and thermal performance.

RG2012P-2152-W-T5 (Susumu) offers tighter tolerance (±0.05%) while maintaining the original temperature coefficient. This upgrade is appropriate for precision measurement and calibration circuits.

For Higher Power Dissipation:

TNPW080521K5BEEA (Vishay Dale) provides 0.26W power rating with AEC-Q200 qualification and extended operating temperature to 175°C. This part accommodates applications with elevated thermal requirements while maintaining precision specifications.

3-2176093-5 (TE Connectivity) offers 0.25W power rating for applications requiring higher power dissipation. This part maintains the -55°C to 155°C temperature range and ±0.1% tolerance.

For Limited Temperature Range Applications:

MCU08050D2152BP100 and MCU08050D2152BP500 (Vishay Beyschlag) are suitable for applications with maximum operating temperature of 125°C. These parts maintain identical electrical specifications and anti-sulfur coating but operate within a narrower temperature window.

Frequently Asked Questions (FAQ)

Q: Can RG2012P-2152-B-T5 directly replace RG2012P-2152-B-T1 without circuit modification?

A: Yes. RG2012P-2152-B-T5 is a direct substitute with identical resistance (21.5 kOhms), tolerance (±0.1%), power rating (0.125W), temperature coefficient (±25ppm/°C), and operating temperature range (-55°C to 155°C). The primary difference is packaging format (Tape & Reel versus bulk), which does not affect electrical performance.

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

A: The RG2012N series offers improved temperature coefficient (±10ppm/°C) compared to RG2012P (±25ppm/°C). Both series maintain identical resistance values and power ratings. Selection depends on application requirements for temperature stability.

Q: Can I use ERA-6AEB2152V in automotive applications?

A: Yes. ERA-6AEB2152V carries AEC-Q200 automotive qualification, identical to the original RG2012P-2152-B-T1. This part is suitable for automotive-grade applications requiring precision resistors.

Q: What is the significance of the tolerance designation (±0.1% versus ±0.05%)?

A: Tolerance specifies the maximum deviation from the nominal resistance value. ±0.1% tolerance allows ±2.15 ohms deviation from 21.5 kOhms. ±0.05% tolerance (upgrade parts) allows ±1.075 ohms deviation, providing tighter precision for applications requiring enhanced accuracy.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All listed substitute parts maintain ROHS3 compliance, consistent with the original RG2012P-2152-B-T1 specification.

Q: Can I use TNPW080521K5BEEA in place of RG2012P-2152-B-T1?

A: Yes. TNPW080521K5BEEA provides equivalent electrical specifications (21.5 kOhms, ±0.1%, ±25ppm/°C) with higher power rating (0.26W versus 0.125W) and extended operating temperature (175°C maximum). This part is suitable for applications with elevated thermal requirements.

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

A: Packaging format affects supply and handling but not electrical performance. Tape & Reel (TR) packaging is standard for high-volume automated assembly. Cut Tape (CT) and Digi-Reel packaging accommodate lower-volume or manual assembly processes. Electrical specifications remain identical regardless of packaging format.

Q: Why does MCU08050D2152BP have a lower maximum operating temperature (125°C versus 155°C)?

A: MCU08050D2152BP series is rated to 125°C maximum operating temperature, which is lower than the original RG2012P-2152-B-T1 (155°C). This part is suitable only for applications where maximum operating temperature does not exceed 125°C.

Q: Is AEC-Q200 qualification required for my application?

A: AEC-Q200 qualification is required for automotive applications. For non-automotive applications, parts without AEC-Q200 designation (such as RT0805BRD0721K5L or MCU series) are acceptable if other electrical specifications match requirements.

Q: Can I mix different substitute parts in the same circuit?

A: Yes, provided all parts meet the circuit's electrical requirements. All listed substitutes maintain identical resistance (21.5 kOhms) and tolerance (±0.1% or tighter). Mixing parts with different temperature coefficients or power ratings is acceptable if circuit design accommodates the range of specifications.

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