RG2012P-3743-C-T5 Equivalent & Substitute Parts

Part Overview

The RG2012P-3743-C-T5 is a 374 kOhms ±0.25% 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 operates across -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 continued availability.

Substiute Parts

RG2012P-3743-C-T5

SusumuIn Stock: 812RG2012P-3743-C-T5 Datasheet

Current PartRFQ

RG2012N-3743-B-T5

SusumuIn Stock: 859RG2012N-3743-B-T5 Datasheet

UpgradeRFQ

RG2012N-3743-W-T1

SusumuIn Stock: 872RG2012N-3743-W-T1 Datasheet

UpgradeRFQ

RG2012P-3743-B-T5

SusumuIn Stock: 709RG2012P-3743-B-T5 Datasheet

UpgradeRFQ

RG2012P-3743-W-T5

SusumuIn Stock: 1006RG2012P-3743-W-T5 Datasheet

UpgradeRFQ

4-2176094-8

TE Connectivity Passive ProductIn Stock: 19774-2176094-8 Datasheet

DirectRFQ

RT0805CRD07374KL

YAGEOIn Stock: 767RT0805CRD07374KL Datasheet

DirectRFQ

ERA-6AEB3743V

Panasonic Electronic ComponentsIn Stock: 4372ERA-6AEB3743V Datasheet

UpgradeRFQ

RP73D2A374KBTDF

TE Connectivity Passive ProductIn Stock: 790RP73D2A374KBTDF Datasheet

UpgradeRFQ

RT0805BRD07374KL

YAGEOIn Stock: 5549RT0805BRD07374KL Datasheet

UpgradeRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the RG2012P-3743-C-T5 is determined by the following critical parameters:

Mandatory Compatibility Parameters:

• Resistance value: 374 kOhms (exact match required)
• Package type: 0805 (2012 Metric) (exact match required)
• Power rating: 0.125W minimum (equal or higher acceptable)
• Composition: Thin film (maintains electrical characteristics)
• Operating temperature range: -55°C to 155°C minimum (equal or wider acceptable)

Tolerance and Performance Parameters:

• Tolerance: ±0.25% or tighter (tighter tolerance acceptable as upgrade)
• Temperature coefficient: ±25ppm/°C or lower (lower values acceptable as upgrade)

Compliance Parameters:

• RoHS3 compliance required
• Moisture sensitivity level 1 acceptable
• Automotive AEC-Q200 rating preferred for automotive applications

Substitute parts are classified as upgrades when they offer improved tolerance, lower temperature coefficient, or higher power rating while maintaining all mandatory compatibility parameters. Direct substitutes maintain identical electrical specifications. Parts from different manufacturers (Susumu, TE Connectivity, YAGEO, Panasonic) are included based on matching functional parameters and package specifications.

Parameter Comparison

Engineering Selection Recommendations

Primary Substitutes (Susumu RG Series - Same Manufacturer):

The Susumu RG2012N-3743-B-T5 and RG2012P-3743-B-T5 are direct functional replacements with improved tolerance (±0.1% versus ±0.25%) and active product status. Both maintain AEC-Q200 automotive qualification and identical package specifications. The RG2012N-3743-B-T5 offers superior temperature coefficient performance (±10ppm/°C versus ±25ppm/°C), making it the preferred upgrade within the Susumu product line. The RG2012P-3743-W-T5 provides the tightest tolerance (±0.05%) while maintaining the same temperature coefficient as the original part.

Secondary Substitutes (Multi-Manufacturer Options):

The Panasonic ERA-6AEB3743V provides equivalent electrical performance with ±0.1% tolerance and maintains AEC-Q200 automotive qualification. This part offers high inventory availability (4302 units) and active product status.

The YAGEO RT0805CRD07374KL matches the original tolerance specification (±0.25%) and power rating, providing a direct electrical equivalent with active product status. The RT0805BRD07374KL offers improved tolerance (±0.1%) as an upgrade option.

The TE Connectivity RP73D2A374KBTDF provides ±0.1% tolerance with superior temperature coefficient performance (±15ppm/°C) in the 0805 package. The 4-2176094-8 offers increased power rating (0.25W versus 0.125W) for applications requiring higher power dissipation margin, though it lacks AEC-Q200 certification.

Selection Criteria:

For automotive applications requiring AEC-Q200 compliance, select from Susumu RG series, Panasonic ERA-6AEB3743V, or equivalent qualified parts. For general industrial applications without automotive requirements, YAGEO RT series or TE Connectivity options provide cost-effective alternatives. Applications requiring superior temperature stability should prioritize parts with lower temperature coefficients (±10ppm/°C or ±15ppm/°C). Applications requiring tighter tolerance control should select ±0.05% or ±0.1% tolerance parts.

Frequently Asked Questions (FAQ)

Q: Can I use a substitute part with higher power rating than the original RG2012P-3743-C-T5?

A: Yes. The 4-2176094-8 (0.25W rating) is electrically compatible and can be used in place of the 0.125W original part. Higher power rating provides additional thermal margin without affecting circuit function. Physical dimensions remain within 0805 package specifications.

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

A: Both series are 0805 thin film resistors with identical package dimensions and operating temperature range. The primary differences are tolerance and temperature coefficient specifications. RG2012N series offers tighter tolerance (±0.1% or ±0.05%) with lower temperature coefficients (±10ppm/°C). RG2012P series maintains ±25ppm/°C temperature coefficient. Selection depends on circuit accuracy requirements.

Q: Is the YAGEO RT0805CRD07374KL a direct replacement for the RG2012P-3743-C-T5?

A: Yes. The RT0805CRD07374KL matches the original part's resistance (374 kOhms), tolerance (±0.25%), power rating (0.125W), package (0805), and operating temperature range (-55°C to 155°C). Both are thin film composition with identical electrical specifications. The YAGEO part has active product status, addressing the obsolescence of the original Susumu part.

Q: Does the Panasonic ERA-6AEB3743V maintain automotive qualification?

A: Yes. The ERA-6AEB3743V carries AEC-Q200 automotive qualification identical to the original RG2012P-3743-C-T5. It is suitable for automotive applications requiring this certification.

Q: What is the impact of different temperature coefficients on circuit performance?

A: Temperature coefficient determines resistance value drift across the operating temperature range. Lower temperature coefficients (±10ppm/°C or ±15ppm/°C) result in smaller resistance changes over temperature. For precision analog circuits, applications, or reference networks, parts with lower temperature coefficients (RG2012N series at ±10ppm/°C or RP73D2A at ±15ppm/°C) provide superior stability. For general-purpose applications, ±25ppm/°C performance is acceptable.

Q: Can I substitute a ±0.1% tolerance part for the original ±0.25% part?

A: Yes. Tighter tolerance is a functional upgrade. A ±0.1% part (such as RG2012N-3743-B-T5, ERA-6AEB3743V, or RT0805BRD07374KL) provides improved accuracy compared to the original ±0.25% specification. This substitution is suitable for all applications where the original part was specified.

Q: Are all substitute parts RoHS3 compliant?

A: All listed substitute parts are RoHS3 compliant. The original RG2012P-3743-C-T5 is also RoHS3 compliant. Moisture sensitivity level is 1 (Unlimited) across all parts, indicating no special moisture handling requirements.

Q: What inventory considerations should guide part selection?

A: The RT0805BRD07374KL (YAGEO) offers the highest inventory availability at 5493 units, followed by ERA-6AEB3743V (Panasonic) at 4302 units. Susumu RG series parts range from 619 to 961 units. For applications requiring immediate availability or high-volume procurement, YAGEO and Panasonic options provide supply security.