RG2012N-683-C-T5 Equivalent & Substitute Parts

Part Overview

The RG2012N-683-C-T5 is a 68 kOhms ±0.25% thin film chip resistor in 0805 (2012 Metric) package rated for 0.125W (1/8W) power dissipation. Manufactured by Susumu, this component features anti-sulfur coating and automotive AEC-Q200 qualification, suitable for harsh environment applications. The part is currently obsolete, necessitating identification of functionally equivalent alternatives that maintain electrical and mechanical compatibility with existing designs.

Key Parameters

Parameter	Value
Resistance	68 kOhms
Tolerance	±0.25%
Power Rating	0.125W (1/8W)
Package	0805 (2012 Metric)
Composition	Thin Film
Temperature Coefficient	±10ppm/°C
Operating Temperature Range	-55°C ~ 155°C
AEC-Q200 Rating	Yes
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution of the RG2012N-683-C-T5 is determined by the following critical parameters:

Electrical Compatibility Requirements:

Resistance value: 68 kOhms (exact match required)
Tolerance: ±0.25% or tighter (substitute tolerance must not exceed original specification)
Power rating: 0.125W minimum (equal or higher ratings are acceptable)
Temperature coefficient: ±10ppm/°C (matching specification)
Operating temperature range: -55°C ~ 155°C minimum (equal or extended range acceptable)

Mechanical Compatibility Requirements:

Package type: 0805 (2012 Metric) (exact match required for PCB footprint compatibility)
Composition: Thin film (maintains performance characteristics)
Number of terminations: 2 (standard configuration)

Compliance & Environmental Requirements:

AEC-Q200 automotive qualification (required for automotive applications)
RoHS3 compliance (regulatory requirement)
Moisture Sensitivity Level 1 (unlimited shelf life)

Substitute parts meeting all electrical, mechanical, and compliance criteria are listed below. Parts with tighter tolerance specifications (±0.1% or ±0.05%) represent upgrades that provide improved accuracy while maintaining full backward compatibility.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Temp Coeff (ppm/°C)	Op. Temp Range (°C)	Package	AEC-Q200	Product Status
RG2012N-683-C-T5	Susumu	68k	±0.25%	0.125	±10	-55 ~ 155	0805	Yes	Obsolete
RG2012N-683-B-T5	Susumu	68k	±0.1%	0.125	±10	-55 ~ 155	0805	Yes	Active
RG2012N-683-W-T1	Susumu	68k	±0.05%	0.125	±10	-55 ~ 155	0805	Yes	Active
RG2012N-683-W-T5	Susumu	68k	±0.05%	0.125	±10	-55 ~ 155	0805	Yes	Active
ERA-6ARB683V	Panasonic Electronic Components	68k	±0.1%	0.125	±10	-55 ~ 155	0805	Yes	Active
ERA-6ARW683V	Panasonic Electronic Components	68k	±0.05%	0.125	±10	-55 ~ 155	0805	Yes	Active
RT0805WRB0768KL	YAGEO	68k	±0.05%	0.125	±10	-55 ~ 155	0805	No	Active
TNPW080568K0BYEA	Vishay Dale	68k	±0.1%	0.26	±10	-55 ~ 175	0805	Yes	Active

Engineering Selection Recommendations

Primary Substitutes (Recommended for Automotive Applications):

The following parts provide direct substitution with active product status and full AEC-Q200 automotive qualification:

RG2012N-683-B-T5 (Susumu): Tighter tolerance upgrade (±0.1%) from the same manufacturer. Maintains identical electrical and mechanical specifications. Active product status with 1007 units in stock.
RG2012N-683-W-T1 and RG2012N-683-W-T5 (Susumu): Premium tolerance upgrade (±0.05%) from the same manufacturer. Identical electrical and mechanical specifications. Both active with 2334 and 1105 units in stock respectively.
ERA-6ARB683V (Panasonic Electronic Components): Cross-manufacturer substitute with ±0.1% tolerance. Maintains AEC-Q200 qualification and identical electrical specifications. Active product with 3954 units in stock.
ERA-6ARW683V (Panasonic Electronic Components): Cross-manufacturer substitute with ±0.05% tolerance. Maintains AEC-Q200 qualification and identical electrical specifications. Active product with highest inventory availability (20582 units).
TNPW080568K0BYEA (Vishay Dale): Cross-manufacturer substitute with ±0.1% tolerance and higher power rating (0.26W). Maintains AEC-Q200 qualification and extends operating temperature range to 175°C. Active product with 1142 units in stock.

Secondary Substitute (Non-Automotive Applications Only):

RT0805WRB0768KL (YAGEO): Cross-manufacturer substitute with ±0.05% tolerance. Lacks AEC-Q200 automotive qualification. Suitable only for non-automotive applications. Active product with 801 units in stock.

Selection Criteria:

For automotive applications requiring AEC-Q200 compliance, select from primary substitutes. For applications requiring extended temperature operation beyond 155°C, TNPW080568K0BYEA extends the upper limit to 175°C. For non-automotive applications without automotive qualification requirements, RT0805WRB0768KL provides a cost-effective alternative.

Frequently Asked Questions (FAQ)

Q: Can RG2012N-683-B-T5 directly replace RG2012N-683-C-T5?

A: Yes. RG2012N-683-B-T5 provides direct substitution with tighter tolerance (±0.1% versus ±0.25%). All electrical parameters, mechanical dimensions, package type, and AEC-Q200 qualification are identical. The improved tolerance represents an upgrade path.

Q: What is the difference between RG2012N-683-W-T1 and RG2012N-683-W-T5?

A: Both parts are identical in electrical and mechanical specifications, differing only in packaging configuration (T1 versus T5 tape specifications). Selection depends on assembly equipment compatibility and tape reel specifications required by manufacturing processes.

Q: Can TNPW080568K0BYEA be used in place of RG2012N-683-C-T5?

A: Yes, with considerations. TNPW080568K0BYEA maintains 68 kOhms resistance, ±0.1% tolerance, 0805 package, and AEC-Q200 qualification. The higher power rating (0.26W versus 0.125W) and extended temperature range (-55°C to 175°C) provide additional design margin. Physical height differs slightly (0.022" versus 0.020"), which may affect PCB clearance in space-constrained layouts.

Q: Is RT0805WRB0768KL suitable for automotive applications?

A: No. RT0805WRB0768KL lacks AEC-Q200 automotive qualification. Use only in non-automotive applications. For automotive requirements, select from Susumu RG series, Panasonic ERA-6A series, or Vishay Dale TNPW series alternatives.

Q: Do all substitute parts fit the same PCB footprint?

A: Yes. All substitute parts use the 0805 (2012 Metric) package with identical footprint dimensions (0.079" L x 0.049" W). Physical height variations (0.020" to 0.024" seated height) are within standard PCB assembly tolerances and do not affect footprint compatibility.

Q: What tolerance should I specify for new designs?

A: For applications previously using RG2012N-683-C-T5 (±0.25%), consider upgrading to ±0.1% or ±0.05% tolerance parts for improved circuit performance. Tighter tolerance substitutes (RG2012N-683-B-T5, RG2012N-683-W-T1, ERA-6ARW683V, RT0805WRB0768KL) provide enhanced accuracy without design changes.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All listed substitute parts maintain ROHS3 compliance and Moisture Sensitivity Level 1 (unlimited shelf life), matching the original part's environmental specifications.

Q: Which substitute offers the best inventory availability?

A: ERA-6ARW683V (Panasonic) offers the highest inventory with 20582 units in stock, followed by RG2012N-683-W-T1 (Susumu) with 2334 units. Both are active products with ±0.05% tolerance specifications.

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