RG2012P-8251-C-T5 Equivalent & Substitute Parts

Part Overview

RG2012P-8251-C-T5 is an 8.25 kOhm thin film chip resistor manufactured by Susumu in 0805 (2012 Metric) package. This part is designated as Obsolete and is no longer in active production. The component features ±0.25% tolerance, 0.125W power rating, ±25ppm/°C temperature coefficient, and includes Anti-Sulfur and Automotive AEC-Q200 qualifications. Due to its obsolete status, engineers must identify substitute parts with compatible electrical and mechanical specifications for continued use in existing designs or new projects.

Key Parameters

Parameter	Value
Resistance	8.25 kOhms
Tolerance	±0.25%
Power Rating	0.125W, 1/8W
Temperature Coefficient	±25ppm/°C
Package / Case	0805 (2012 Metric)
Composition	Thin Film
Operating Temperature	-55°C ~ 155°C
Features	Anti-Sulfur, Automotive AEC-Q200
Product Status	Obsolete

Substitute Part Grouping Explanation

Substitutes are categorized into two groups based on electrical parameter compatibility:

Upgrade Parts: These parts maintain the same 8.25 kOhm resistance value and 0805 package but offer tighter tolerance specifications (±0.02%, ±0.05%, or ±0.1%) and improved temperature coefficients (±5ppm/°C, ±10ppm/°C, or ±25ppm/°C). All upgrade parts are from Susumu's RG series and retain Anti-Sulfur and Automotive AEC-Q200 features. These parts provide equal or superior performance compared to the original.

Direct Substitutes: These parts maintain the same 8.25 kOhm resistance, 0805 package, and thin film composition but originate from different manufacturers (TE Connectivity Passive Product and YAGEO). RP73PF2A8K25BTDF offers ±0.1% tolerance with 0.25W power rating. RT0805CRD078K25L provides ±0.25% tolerance matching the original but without automotive qualifications.

The primary parameters determining substitution eligibility are: resistance value (8.25 kOhms), package size (0805), tolerance (equal or tighter), power rating (equal or higher), and temperature coefficient (equal or better).

Parameter Comparison

Part Number	Manufacturer	Status	Tolerance	Power	Temp Coeff	Features	Inventory
RG2012P-8251-C-T5	Susumu	Obsolete	±0.25%	0.125W	±25ppm/°C	Anti-Sulfur, AEC-Q200	1080
RG2012N-8251-B-T5	Susumu	Active	±0.1%	0.125W	±10ppm/°C	Anti-Sulfur, AEC-Q200	983
RG2012N-8251-W-T1	Susumu	Active	±0.05%	0.125W	±10ppm/°C	Anti-Sulfur, AEC-Q200	650
RG2012P-8251-B-T5	Susumu	Active	±0.1%	0.125W	±25ppm/°C	Anti-Sulfur, AEC-Q200	13198
RG2012P-8251-W-T5	Susumu	Active	±0.05%	0.125W	±25ppm/°C	Anti-Sulfur, AEC-Q200	942
RG2012V-8251-B-T5	Susumu	Active	±0.1%	0.125W	±5ppm/°C	Anti-Sulfur, AEC-Q200	820
RG2012V-8251-P-T1	Susumu	Active	±0.02%	0.125W	±5ppm/°C	Anti-Sulfur, AEC-Q200	2755
RG2012V-8251-W-T1	Susumu	Active	±0.05%	0.125W	±5ppm/°C	Anti-Sulfur, AEC-Q200	1075
RG2012V-8251-W-T5	Susumu	Active	±0.05%	0.125W	±5ppm/°C	Anti-Sulfur, AEC-Q200	824
RP73PF2A8K25BTDF	TE Connectivity	Active	±0.1%	0.25W	±25ppm/°C	-	1297
RT0805CRD078K25L	YAGEO	Active	±0.25%	0.125W	±25ppm/°C	-	807

Engineering Selection Recommendations

For Automotive Applications: Parts RG2012N-8251-B-T5, RG2012N-8251-W-T1, RG2012P-8251-B-T5, RG2012P-8251-W-T5, RG2012V-8251-B-T5, RG2012V-8251-P-T1, RG2012V-8251-W-T1, and RG2012V-8251-W-T5 from Susumu maintain AEC-Q200 qualification and Anti-Sulfur features required for automotive environments. All these parts carry Active product status and ROHS3 compliance.

For High Inventory Availability: RG2012P-8251-B-T5 offers the highest inventory volume (13198 pieces) among all substitutes while maintaining Active status and automotive qualifications. This part provides ±0.1% tolerance, which is tighter than the original ±0.25% specification.

For Tightest Precision: RG2012V-8251-P-T1 provides ±0.02% tolerance and ±5ppm/°C temperature coefficient, representing the highest precision option among all listed substitutes. This part maintains Active status, AEC-Q200 qualification, and has 2755 pieces in inventory.

For Non-Automotive Applications: RP73PF2A8K25BTDF and RT0805CRD078K25L provide alternatives from different manufacturers. RP73PF2A8K25BTDF offers higher power rating (0.25W) compared to the original. RT0805CRD078K25L matches the original tolerance specification (±0.25%) but does not carry automotive qualifications.

All listed parts are ROHS3 Compliant and rated MSL 1 (Unlimited), matching the original part's compliance status.

Frequently Asked Questions (FAQ)

Q: Can I directly replace RG2012P-8251-C-T5 with parts that have tighter tolerance?
A: Parts with tighter tolerance (±0.1%, ±0.05%, or ±0.02%) than the original ±0.25% specification are electrically compatible and provide equal or better resistance accuracy. The same package dimensions (0.079" L x 0.049" W) ensure mechanical interchangeability.

Q: What is the difference between RG2012N, RG2012P, and RG2012V series?
A: These designations indicate different temperature coefficient specifications within Susumu's RG series. RG2012N offers ±10ppm/°C, RG2012P provides ±25ppm/°C (matching the original), and RG2012V delivers ±5ppm/°C. All maintain the same 0805 package format and AEC-Q200 qualification.

Q: Are parts from TE Connectivity and YAGEO compatible with automotive applications?
A: RP73PF2A8K25BTDF and RT0805CRD078K25L do not list AEC-Q200 qualification or Anti-Sulfur features in their specifications. These parts provide electrical compatibility but lack the automotive certifications present in the original Susumu part.

Q: Do substitute parts have the same height specification?
A: Susumu RG series substitutes maintain 0.020" (0.50mm) maximum seated height, matching the original. RP73PF2A8K25BTDF has 0.026" (0.65mm) height, and RT0805CRD078K25L has 0.024" (0.60mm) height. These dimensional differences must be evaluated against PCB clearance requirements.

Q: Which substitute part offers the closest match to the original specifications?
A: RT0805CRD078K25L from YAGEO matches the original ±0.25% tolerance and ±25ppm/°C temperature coefficient specifications. However, it does not include Anti-Sulfur or AEC-Q200 features. For applications requiring automotive qualifications, RG2012P-8251-B-T5 provides the closest match while upgrading tolerance to ±0.1%.

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