RG2012P-3402-C-T5 Equivalent & Substitute Parts

Part Overview

The RG2012P-3402-C-T5 is a 34 kOhms ±0.25% 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 temperature ranges from -55°C to 155°C. The part is currently obsolete, necessitating identification of equivalent and substitute components that maintain electrical and mechanical compatibility while offering active product status and improved performance characteristics.

Key Parameters

Parameter	Value
Resistance	34 kOhms
Tolerance	±0.25%
Power Rating	0.125W (1/8W)
Package	0805 (2012 Metric)
Composition	Thin Film
Operating Temperature	-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-3402-C-T5 is determined by the following critical parameters:

Mandatory Compatibility Parameters:

Resistance value: 34 kOhms (exact match required)
Package type: 0805 (2012 Metric) (exact match required)
Composition: Thin Film (exact match required)
Operating temperature range: -55°C ~ 155°C minimum (equal or wider range acceptable)
RoHS compliance: ROHS3 Compliant (maintained across all substitutes)

Performance Enhancement Parameters:

Tolerance: ±0.25% (main part) to ±0.1% or ±0.05% (upgrades acceptable)
Temperature coefficient: ±25ppm/°C (main part) to ±10ppm/°C or ±15ppm/°C (improvements acceptable)
Automotive qualification: AEC-Q200 (maintained in primary substitutes)

Secondary Compatibility Parameters:

Power rating: 0.125W (1/8W) minimum (0.25W acceptable for higher margin applications)
Moisture sensitivity: MSL 1 (maintained across all substitutes)
Number of terminations: 2 (exact match required)

Substitute parts are grouped into three categories: Upgrade substitutes with improved tolerance and temperature coefficient specifications, Direct substitutes with equivalent electrical characteristics, and Alternative substitutes with compatible but distinct performance profiles.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Temp Coeff (ppm/°C)	Operating Temp (°C)	AEC-Q200	Product Status	Inventory (Pcs)
RG2012P-3402-C-T5	Susumu	34 kOhms	±0.25%	0.125	±25	-55 ~ 155	Yes	Obsolete	866
RG2012N-3402-B-T5	Susumu	34 kOhms	±0.1%	0.125	±10	-55 ~ 155	Yes	Active	884
RG2012N-3402-W-T1	Susumu	34 kOhms	±0.05%	0.125	±10	-55 ~ 155	Yes	Active	765
RG2012P-3402-B-T5	Susumu	34 kOhms	±0.1%	0.125	±25	-55 ~ 155	Yes	Active	1101
RG2012P-3402-W-T5	Susumu	34 kOhms	±0.05%	0.125	±25	-55 ~ 155	Yes	Active	1133
5-2176093-3	TE Connectivity Passive Product	34 kOhms	±0.1%	0.25	±25	-55 ~ 155	No	Active	2527
RT0805CRD0734KL	YAGEO	34 kOhms	±0.25%	0.125	±25	-55 ~ 155	No	Active	1169
ERA-6AEB3402V	Panasonic Electronic Components	34 kOhms	±0.1%	0.125	±25	-55 ~ 155	Yes	Active	10944
MCU08050D3402BP500	Vishay Beyschlag/Draloric/BC Components	34 kOhms	±0.1%	0.125	±25	-55 ~ 125	No	Active	1095
RP73D2A34KBTDF	TE Connectivity Passive Product	34 kOhms	±0.1%	0.125	±15	-55 ~ 155	No	Active	911
RT0805BRD0734KL	YAGEO	34 kOhms	±0.1%	0.125	±25	-55 ~ 155	No	Active	6081

Engineering Selection Recommendations

Primary Substitutes (Susumu RG Series - Same Manufacturer):

The Susumu RG2012N-3402-B-T5, RG2012N-3402-W-T1, RG2012P-3402-B-T5, and RG2012P-3402-W-T5 are direct manufacturer upgrades with identical package, resistance, power rating, and operating temperature specifications. All maintain AEC-Q200 automotive qualification and ROHS3 compliance. These parts offer improved tolerance specifications (±0.1% or ±0.05% versus ±0.25%) and in the RG2012N series, superior temperature coefficient performance (±10ppm/°C versus ±25ppm/°C). Product status is Active for all four parts, ensuring long-term availability.

Secondary Substitutes (Multi-Manufacturer Options):

ERA-6AEB3402V (Panasonic) provides equivalent electrical specifications with ±0.1% tolerance and AEC-Q200 qualification. Operating temperature range matches the main part (-55°C ~ 155°C). Inventory availability is significantly higher (10,944 pcs) compared to the obsolete RG2012P-3402-C-T5.

RT0805BRD0734KL (YAGEO) and RT0805CRD0734KL (YAGEO) offer active product status with identical package and resistance specifications. RT0805BRD0734KL provides ±0.1% tolerance; RT0805CRD0734KL matches the original ±0.25% tolerance. Both maintain full operating temperature range (-55°C ~ 155°C).

RP73D2A34KBTDF (TE Connectivity) delivers ±0.1% tolerance with superior temperature coefficient (±15ppm/°C) and full operating temperature range. This part lacks AEC-Q200 designation but maintains ROHS3 compliance.

Alternative Substitute (Higher Power Rating):

5-2176093-3 (TE Connectivity) provides 0.25W (1/4W) power rating with ±0.1% tolerance and identical operating temperature range. This part is suitable for applications where increased power margin is beneficial. AEC-Q200 qualification is not present.

Operating Temperature Consideration:

MCU08050D3402BP500 (Vishay) operates to 125°C maximum, which is 30°C below the main part specification. This part is suitable only for applications with maximum operating temperature not exceeding 125°C.

Frequently Asked Questions (FAQ)

Q: Can RG2012P-3402-C-T5 be directly replaced with any of the listed substitutes?

A: Direct replacement is possible for all listed substitutes within the 0805 package form factor. However, application requirements determine the optimal choice. For applications requiring AEC-Q200 automotive qualification, select from RG2012N-3402-B-T5, RG2012N-3402-W-T1, RG2012P-3402-B-T5, RG2012P-3402-W-T5, or ERA-6AEB3402V. For non-automotive applications, YAGEO RT series and TE Connectivity options are acceptable.

Q: What is the difference between tolerance specifications ±0.25%, ±0.1%, and ±0.05%?

A: Tolerance defines the maximum deviation from the nominal 34 kOhm resistance value. ±0.25% allows deviation of ±85 ohms; ±0.1% allows ±34 ohms; ±0.05% allows ±17 ohms. Applications requiring tighter resistance control benefit from lower tolerance values. The RG2012N-3402-W-T1 with ±0.05% tolerance provides the highest precision.

Q: Why do some substitutes have different temperature coefficients?

A: Temperature coefficient (ppm/°C) indicates resistance change per degree Celsius. The main part and most substitutes specify ±25ppm/°C. RG2012N series parts offer ±10ppm/°C, and RP73D2A34KBTDF offers ±15ppm/°C. Lower temperature coefficients indicate better stability across the operating temperature range (-55°C ~ 155°C). Applications with stringent frequency or gain stability requirements benefit from lower temperature coefficients.

Q: Is the 0805 package dimension identical across all substitutes?

A: All substitutes use the 0805 (2012 Metric) package with identical length (0.079" / 2.00mm) and width (0.049" / 1.25mm). Height varies slightly: main part and most substitutes are 0.020" (0.50mm) to 0.024" (0.60mm); TE Connectivity parts (5-2176093-3 and RP73D2A34KBTDF) are 0.026" (0.65mm). These height variations are within standard PCB assembly tolerances and do not affect electrical performance or mechanical fit in standard 0805 footprints.

Q: What is the significance of AEC-Q200 qualification?

A: AEC-Q200 is an automotive electronics qualification standard ensuring component reliability under automotive operating conditions. Parts with AEC-Q200 designation (RG2012N series, RG2012P series, and ERA-6AEB3402V) are suitable for automotive applications. Non-qualified parts (YAGEO RT series, TE Connectivity 5-2176093-3, and RP73D2A34KBTDF) are suitable for industrial and consumer applications.

Q: Why does MCU08050D3402BP500 have a lower maximum operating temperature?

A: MCU08050D3402BP500 specifies -55°C ~ 125°C operating range, which is 30°C below the main part and other substitutes (-55°C ~ 155°C). This part is suitable only for applications where the maximum operating temperature does not exceed 125°C. For applications requiring full -55°C ~ 155°C range, select alternative substitutes.

Q: What does ROHS3 compliance indicate?

A: ROHS3 (Restriction of Hazardous Substances Directive 3) compliance indicates the component contains no lead, cadmium, hexavalent chromium, polybrominated biphenyls, or polybrominated diphenyl ethers. All listed substitutes maintain ROHS3 compliance, ensuring environmental and regulatory conformance.

Q: Is the higher inventory count of ERA-6AEB3402V significant for component selection?

A: ERA-6AEB3402V has 10,944 pcs in stock compared to 866 pcs for the obsolete RG2012P-3402-C-T5. Higher inventory availability indicates better long-term supply security and shorter lead times. This is a practical advantage for production planning and supply chain management.

Q: Can the 0.25W (1/4W) rated 5-2176093-3 be used in place of the 0.125W (1/8W) main part?

A: Yes, the higher power rating of 5-2176093-3 is electrically compatible and provides additional thermal margin. The component will operate at lower junction temperature in the same application. This substitution is suitable when increased power dissipation margin is beneficial or when the higher power rating does not create space constraints.

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