RG2012V-102-B-T1 Equivalent & Substitute Parts

Part Overview

The RG2012V-102-B-T1 is a 1 kOhms ±0.1% thin film chip resistor in 0805 (2012 Metric) package rated for 0.125W (1/8W) power dissipation. This component features anti-sulfur coating and automotive AEC-Q200 qualification, designed for high-reliability applications requiring precise resistance values and temperature stability. The part is currently obsolete, necessitating identification of equivalent and substitute components that maintain electrical and mechanical compatibility while meeting application requirements.

Key Parameters

Parameter	Value
Resistance	1 kOhms
Tolerance	±0.1%
Power Rating	0.125W (1/8W)
Package / Case	0805 (2012 Metric)
Composition	Thin Film
Temperature Coefficient	±5ppm/°C
Operating Temperature Range	-55°C ~ 155°C
Automotive Rating	AEC-Q200
Features	Anti-Sulfur
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution of the RG2012V-102-B-T1 is determined by the following critical parameters:

Electrical Parameters:

Resistance value: 1 kOhms (exact match required)
Power rating: 0.125W minimum
Temperature coefficient: ±5ppm/°C or better
Operating temperature range: Must support -55°C ~ 155°C or equivalent
Tolerance: ±0.1% or tighter (lower tolerance values are acceptable upgrades)

Mechanical Parameters:

Package: 0805 (2012 Metric) form factor (mandatory for PCB compatibility)
Termination count: 2 terminations
Physical dimensions: 0.079" L x 0.049" W (2.00mm x 1.25mm)

Compliance & Certification:

Automotive AEC-Q200 qualification (required for automotive applications)
RoHS3 compliance
Moisture Sensitivity Level 1

Substitute parts are grouped into three categories: Direct equivalents (identical tolerance and specifications), packaging variants (same electrical specifications with different tape/reel configurations), and upgraded tolerance parts (tighter tolerance specifications that exceed original requirements).

Parameter Comparison

Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Package	Temp Coeff	Operating Temp	AEC-Q200	Product Status	Inventory
RG2012V-102-B-T1	Susumu	1 kOhms	±0.1%	0.125	0805	±5ppm/°C	-55°C ~ 155°C	Yes	Obsolete	861 Pcs
RG2012V-102-B-T5	Susumu	1 kOhms	±0.1%	0.125	0805	±5ppm/°C	-55°C ~ 155°C	Yes	Active	976 Pcs
RG2012V-102-W-T1	Susumu	1 kOhms	±0.05%	0.125	0805	±5ppm/°C	-55°C ~ 155°C	Yes	Active	1039 Pcs
RG2012V-102-W-T5	Susumu	1 kOhms	±0.05%	0.125	0805	±5ppm/°C	-55°C ~ 155°C	Yes	Active	880 Pcs
RG2012V-102-P-T1	Susumu	1 kOhms	±0.02%	0.125	0805	±5ppm/°C	-55°C ~ 155°C	Yes	Active	4332 Pcs
TNPU08051K00BZEN00	Vishay Dale	1 kOhms	±0.1%	0.125	0805	±5ppm/°C	-55°C ~ 125°C	Yes	Active	2560 Pcs
RNCF0805TKY1K00	Stackpole Electronics Inc	1 kOhms	±0.01%	0.125	0805	±5ppm/°C	-55°C ~ 155°C	Yes	Active	14614 Pcs

Engineering Selection Recommendations

Direct Equivalent (Same Tolerance): RG2012V-102-B-T5 is the direct equivalent to RG2012V-102-B-T1. Both components share identical electrical specifications (1 kOhms ±0.1% tolerance, 0.125W power rating, ±5ppm/°C temperature coefficient, -55°C ~ 155°C operating range) and mechanical compatibility (0805 package). The primary difference is packaging configuration (Tape & Reel vs. bulk). RG2012V-102-B-T5 is active and maintains full AEC-Q200 automotive qualification and ROHS3 compliance.

TNPU08051K00BZEN00 (Vishay Dale) provides direct electrical equivalence with identical tolerance (±0.1%) and power rating. This part is AEC-Q200 qualified and ROHS3 compliant. The operating temperature range is -55°C ~ 125°C, which is narrower than the original specification (-55°C ~ 155°C). Physical height is 0.022" (0.55mm) compared to 0.020" (0.50mm) for the original part. This component is suitable for applications not requiring the full 155°C upper temperature limit.

Upgraded Tolerance Options: RG2012V-102-W-T1 and RG2012V-102-W-T5 offer tighter tolerance (±0.05%) while maintaining all other specifications. These parts are suitable for applications requiring improved precision beyond the original ±0.1% specification.

RG2012V-102-P-T1 provides the tightest tolerance (±0.02%) among available substitutes. This part is recommended for precision-critical applications where enhanced accuracy is beneficial.

RNCF0805TKY1K00 (Stackpole Electronics Inc) offers the highest precision tolerance (±0.01%) with full temperature range support (-55°C ~ 155°C) and AEC-Q200 qualification. Physical height is 0.026" (0.65mm), which is higher than the original specification. This component is suitable for applications requiring maximum precision.

Compliance Verification: All substitute parts maintain AEC-Q200 automotive qualification, ROHS3 compliance, and Moisture Sensitivity Level 1 (Unlimited). All components are thin film construction with ±5ppm/°C temperature coefficient.

Frequently Asked Questions (FAQ)

Q: Can RG2012V-102-B-T5 be used as a direct replacement for RG2012V-102-B-T1?

A: Yes. RG2012V-102-B-T5 is a direct equivalent with identical electrical and mechanical specifications. The only difference is packaging format (Tape & Reel configuration). Both parts are 1 kOhms ±0.1%, 0.125W, 0805 package, with identical temperature coefficients and operating ranges. Both maintain AEC-Q200 qualification and ROHS3 compliance.

Q: What is the difference between the T1 and T5 packaging designations?

A: The T1 and T5 designations indicate different tape and reel packaging configurations. T1 and T5 variants of the same electrical specification are mechanically and electrically interchangeable. Selection between these variants depends on assembly equipment compatibility and procurement requirements rather than functional performance.

Q: Can I use a tighter tolerance part (±0.05% or ±0.02%) as a substitute?

A: Yes. Parts with tighter tolerance specifications (lower tolerance values) are acceptable substitutes for the original ±0.1% specification. Tighter tolerance parts exceed the original requirements and are suitable for any application requiring the original part. RG2012V-102-W-T1 (±0.05%), RG2012V-102-P-T1 (±0.02%), and RNCF0805TKY1K00 (±0.01%) all meet or exceed the original tolerance requirement.

Q: Is TNPU08051K00BZEN00 suitable for all applications requiring RG2012V-102-B-T1?

A: TNPU08051K00BZEN00 is suitable for most applications. The component shares identical electrical specifications (1 kOhms ±0.1%, 0.125W) and maintains AEC-Q200 qualification. However, the operating temperature range is -55°C ~ 125°C compared to the original -55°C ~ 155°C. Applications requiring operation above 125°C must use alternative substitutes. Physical height is 0.022" (0.55mm) versus 0.020" (0.50mm) for the original part; verify PCB clearance in height-constrained designs.

Q: Why does RNCF0805TKY1K00 have a higher physical height (0.026")?

A: Physical height variation is a manufacturing characteristic of different suppliers' thin film resistor construction. RNCF0805TKY1K00 maintains the same 0805 footprint and electrical specifications but has a taller profile. Verify PCB assembly clearance requirements before substitution in height-constrained applications.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All listed substitute parts are ROHS3 compliant and maintain Moisture Sensitivity Level 1 (Unlimited), matching the original part's environmental compliance status.

Q: Which substitute part offers the best availability?

A: RNCF0805TKY1K00 (Stackpole Electronics Inc) has the highest inventory level at 14,614 pieces. RG2012V-102-P-T1 (Susumu) has 4,332 pieces available. Both parts are active products with strong supply status.

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