RG2012P-4322-B-T5 Equivalent & Substitute Parts

Part Overview

The RG2012P-4322-B-T5 is a 43.2 kOhms ±0.1% thin film chip resistor manufactured by Susumu in 0805 (2012 Metric) package format with 0.125W power rating. This component is rated for automotive applications under AEC-Q200 standard and features anti-sulfur construction. The part is active in production with ROHS3 compliance and unlimited moisture sensitivity rating (MSL 1). Equivalent and substitute parts are identified to support procurement flexibility, inventory management, and supply chain continuity.

Substiute Parts

RG2012P-4322-B-T5

SusumuIn Stock: 1128RG2012P-4322-B-T5 Datasheet

Current PartRFQ

6-2176093-1

TE Connectivity Passive ProductIn Stock: 31246-2176093-1 Datasheet

DirectRFQ

ERA-6AEB4322V

Panasonic Electronic ComponentsIn Stock: 45309ERA-6AEB4322V Datasheet

DirectRFQ

RT0805BRD0743K2L

YAGEOIn Stock: 6739RT0805BRD0743K2L Datasheet

DirectRFQ

PTN0805E4322BST1

Vishay Dale Thin FilmIn Stock: 2110PTN0805E4322BST1 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the RG2012P-4322-B-T5 is determined by the following critical parameters:

Mandatory Matching Parameters:

• Resistance value: 43.2 kOhms
• Tolerance: ±0.1%
• Package / Case: 0805 (2012 Metric)
• Composition: Thin Film
• Temperature Coefficient: ±25ppm/°C
• Operating Temperature Range: -55°C ~ 155°C
• Number of Terminations: 2
• RoHS Status: ROHS3 Compliant
• Moisture Sensitivity Level: 1 (Unlimited)

Allowable Variation Parameters:

• Power Rating: Substitutes with equal or higher power rating are acceptable
• Height - Seated (Max): Minor variations within mechanical tolerance
• Automotive Rating: AEC-Q200 certification is desirable but not mandatory for all applications
• Anti-Sulfur Feature: Desirable for automotive applications but not mandatory for all use cases

Substitute parts are grouped into two categories: Direct Equivalents (matching all critical parameters including power rating and automotive certification) and Compatible Substitutes (matching all critical parameters with allowable variations in power rating or automotive features).

Parameter Comparison

Engineering Selection Recommendations

Direct Equivalent - Automotive Applications:

The ERA-6AEB4322V (Panasonic Electronic Components) is a direct equivalent for the RG2012P-4322-B-T5. Both components share identical electrical specifications (43.2 kOhms ±0.1%, 0.125W, ±25ppm/°C), matching package dimensions (0805), and AEC-Q200 automotive certification. The ERA-6AEB4322V is suitable for direct substitution in automotive-grade applications requiring AEC-Q200 compliance.

Direct Equivalent - General Purpose Applications:

The RT0805BRD0743K2L (YAGEO) matches all electrical and mechanical specifications of the RG2012P-4322-B-T5 with identical power rating (0.125W) and package format (0805). This component is suitable for applications where automotive certification is not required but precision tolerance (±0.1%) and thin film composition are necessary.

Compatible Substitute - Higher Power Margin:

The 6-2176093-1 (TE Connectivity Passive Product) provides a compatible substitute with increased power rating (0.25W versus 0.125W). This component maintains all critical electrical parameters (43.2 kOhms ±0.1%, ±25ppm/°C, -55°C ~ 155°C) and package format (0805). The higher power rating provides additional thermal margin in applications where power dissipation is a consideration. Height variation (0.026" maximum versus 0.020" maximum) must be evaluated for space-constrained PCB layouts.

Compatible Substitute - Balanced Specifications:

The PTN0805E4322BST1 (Vishay Dale Thin Film) offers a compatible substitute with intermediate power rating (0.2W) and additional features including anti-sulfur and moisture-resistant construction. This component maintains all critical electrical parameters and package format. Height variation (0.033" maximum) requires clearance verification in compact designs. This option is suitable for applications requiring enhanced environmental protection without mandatory automotive certification.

Selection Criteria Summary:

• For automotive applications requiring AEC-Q200 certification: ERA-6AEB4322V
• For general precision applications without automotive requirements: RT0805BRD0743K2L
• For applications requiring higher power dissipation capability: 6-2176093-1
• For applications requiring enhanced environmental protection: PTN0805E4322BST1

All substitute parts maintain ROHS3 compliance, MSL 1 rating, and operating temperature range (-55°C ~ 155°C) of the original component.

Frequently Asked Questions (FAQ)

Q: Can the ERA-6AEB4322V replace the RG2012P-4322-B-T5 in automotive applications?

A: Yes. The ERA-6AEB4322V is a direct equivalent with matching electrical specifications (43.2 kOhms ±0.1%, 0.125W, ±25ppm/°C), identical package format (0805), and AEC-Q200 automotive certification. Direct substitution is supported.

Q: What is the difference between the RG2012P-4322-B-T5 and the 6-2176093-1?

A: Both components share identical resistance (43.2 kOhms), tolerance (±0.1%), temperature coefficient (±25ppm/°C), and package format (0805). The primary difference is power rating: RG2012P-4322-B-T5 is rated 0.125W while 6-2176093-1 is rated 0.25W. The higher power rating of the 6-2176093-1 provides increased thermal capability. Height also varies: 0.020" (0.50mm) maximum for RG2012P-4322-B-T5 versus 0.026" (0.65mm) maximum for 6-2176093-1.

Q: Is the RT0805BRD0743K2L suitable for automotive applications?

A: The RT0805BRD0743K2L matches all electrical and mechanical specifications of the RG2012P-4322-B-T5 but does not carry AEC-Q200 automotive certification. This component is suitable for general precision applications. For applications requiring automotive-grade qualification, the ERA-6AEB4322V is the appropriate choice.

Q: What does the 0805 package designation mean?

A: The 0805 designation refers to the 2012 Metric package format with dimensions of 0.079" length × 0.049" width (2.00mm × 1.25mm). All substitute parts listed use this identical package format, ensuring PCB footprint compatibility.

Q: Can I use the PTN0805E4322BST1 in place of the RG2012P-4322-B-T5?

A: Yes, with height clearance verification. The PTN0805E4322BST1 maintains all critical electrical parameters (43.2 kOhms ±0.1%, ±25ppm/°C, -55°C ~ 155°C) and package format (0805). However, the maximum seated height is 0.033" (0.84mm) compared to 0.020" (0.50mm) for the RG2012P-4322-B-T5. PCB layout clearance must be confirmed before substitution in space-constrained designs.

Q: What is the significance of the ±0.1% tolerance specification?

A: The ±0.1% tolerance indicates precision thin film resistor construction with tight resistance value control. All substitute parts listed maintain this ±0.1% tolerance specification, ensuring equivalent accuracy in circuit applications requiring high precision.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All substitute parts listed (ERA-6AEB4322V, RT0805BRD0743K2L, 6-2176093-1, and PTN0805E4322BST1) are ROHS3 compliant with MSL 1 (Unlimited) moisture sensitivity rating, matching the environmental compliance profile of the RG2012P-4322-B-T5.

Q: What is the temperature coefficient and why does it matter?

A: The temperature coefficient of ±25ppm/°C specifies the resistance value change per degree Celsius across the operating temperature range (-55°C ~ 155°C). All substitute parts maintain this identical specification, ensuring equivalent temperature stability in thermal cycling applications.

Q: Which substitute part has the lowest profile for high-density PCB layouts?

A: The RG2012P-4322-B-T5 has the lowest maximum seated height at 0.020" (0.50mm). Among substitutes, the ERA-6AEB4322V and RT0805BRD0743K2L both have 0.024" (0.60mm) maximum height, making them suitable for compact designs. The 6-2176093-1 and PTN0805E4322BST1 have greater heights and may not be suitable for space-constrained applications.