RG1608P-271-C-T5 Equivalent & Substitute Parts

Part Overview

The RG1608P-271-C-T5 is a 270 Ohms ±0.25% thin film chip resistor in 0603 (1608 Metric) package rated for 0.1W (1/10W) power dissipation. This component features anti-sulfur coating and automotive AEC-Q200 qualification, designed for high-reliability applications in harsh environments. The part is manufactured by Susumu and currently carries an obsolete product status. Due to its obsolescence, equivalent and upgraded substitute parts are available from both Susumu and alternative manufacturers to maintain design continuity and supply chain reliability.

Key Parameters

Parameter	Value
Resistance	270 Ohms
Tolerance	±0.25%
Power Rating	0.1W (1/10W)
Package / Case	0603 (1608 Metric)
Composition	Thin Film
Features	Anti-Sulfur, Automotive AEC-Q200
Operating Temperature Range	-55°C ~ 155°C
Temperature Coefficient	±25ppm/°C
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution of the RG1608P-271-C-T5 is determined by strict equivalence in the following parameters:

Critical Parameters (Must Match):

Resistance value: 270 Ohms
Power rating: 0.1W (1/10W)
Package: 0603 (1608 Metric)
Composition: Thin Film
Operating temperature range: -55°C ~ 155°C
Compliance: AEC-Q200, ROHS3, REACH Unaffected

Allowable Variation Parameters:

Tolerance: Can be equal or tighter (±0.25%, ±0.1%, ±0.05%, ±0.02%)
Temperature coefficient: Can be equal or lower (±25ppm/°C, ±10ppm/°C, ±5ppm/°C)
Product status: Active substitutes preferred over obsolete

All substitute parts listed maintain identical mechanical dimensions (0.063" L x 0.031" W / 1.60mm x 0.80mm) and electrical performance within the specified operating range. Substitutes with improved tolerance or lower temperature coefficient provide enhanced precision without compromising compatibility.

Parameter Comparison

Part Number	Manufacturer	Resistance	Tolerance	Power	Temp Coeff	Package	Status	Inventory
RG1608P-271-C-T5	Susumu	270 Ω	±0.25%	0.1W	±25ppm/°C	0603	Obsolete	997 Pcs
RG1608N-271-B-T5	Susumu	270 Ω	±0.1%	0.1W	±10ppm/°C	0603	Active	713 Pcs
RG1608N-271-P-T1	Susumu	270 Ω	±0.02%	0.1W	±10ppm/°C	0603	Active	899 Pcs
RG1608N-271-W-T5	Susumu	270 Ω	±0.05%	0.1W	±10ppm/°C	0603	Active	960 Pcs
RG1608P-271-B-T5	Susumu	270 Ω	±0.1%	0.1W	±25ppm/°C	0603	Active	17208 Pcs
RG1608P-271-P-T1	Susumu	270 Ω	±0.02%	0.1W	±25ppm/°C	0603	Active	1067 Pcs
RG1608P-271-W-T1	Susumu	270 Ω	±0.05%	0.1W	±25ppm/°C	0603	Active	739 Pcs
RG1608V-271-B-T5	Susumu	270 Ω	±0.1%	0.1W	±5ppm/°C	0603	Active	727 Pcs
RG1608V-271-P-T1	Susumu	270 Ω	±0.02%	0.1W	±5ppm/°C	0603	Active	716 Pcs
RG1608V-271-W-T1	Susumu	270 Ω	±0.05%	0.1W	±5ppm/°C	0603	Active	976 Pcs
RT0603CRD07270RL	YAGEO	270 Ω	±0.25%	0.1W	±25ppm/°C	0603	Active	917 Pcs

Engineering Selection Recommendations

For Direct Replacement (Equivalent Tolerance and Temperature Coefficient):

The RT0603CRD07270RL from YAGEO provides direct electrical and mechanical equivalence to the RG1608P-271-C-T5, maintaining identical tolerance (±0.25%) and temperature coefficient (±25ppm/°C). This part is currently active in production and ROHS3 compliant, making it suitable for immediate substitution in applications where the original specification must be preserved.

For Upgraded Performance (Tighter Tolerance):

Susumu RG series parts with improved tolerance specifications (±0.1%, ±0.05%, ±0.02%) are direct substitutes that enhance circuit precision without altering mechanical compatibility or thermal performance. The RG1608P-271-B-T5 offers the highest inventory availability (17208 Pcs) with ±0.1% tolerance and active product status, providing both supply security and improved accuracy over the obsolete original part.

For Superior Temperature Stability (Lower Temperature Coefficient):

The RG1608V series (±5ppm/°C) and RG1608N series (±10ppm/°C) provide enhanced temperature stability compared to the original ±25ppm/°C specification. These upgrades are particularly beneficial in applications requiring stable performance across the full -55°C to 155°C operating range. All RG1608V variants are active products with adequate inventory.

Selection Criteria Based on Application Requirements:

Standard precision applications: RG1608P-271-B-T5 (highest inventory, ±0.1% tolerance, active status)
High-precision applications: RG1608N-271-P-T1 or RG1608V-271-P-T1 (±0.02% tolerance)
Temperature-sensitive applications: RG1608V series (±5ppm/°C temperature coefficient)
Cross-manufacturer requirement: RT0603CRD07270RL (YAGEO equivalent)

All recommended substitutes maintain AEC-Q200 automotive qualification, anti-sulfur coating, and ROHS3 compliance.

Frequently Asked Questions (FAQ)

Q: Can the RG1608P-271-C-T5 be replaced with a part having tighter tolerance?

A: Yes. Parts with tolerance specifications of ±0.1%, ±0.05%, or ±0.02% are direct substitutes. Tighter tolerance represents improved accuracy and does not compromise compatibility. The RG1608P-271-B-T5 (±0.1%) and RG1608N-271-P-T1 (±0.02%) are suitable upgrades.

Q: What is the difference between the RG1608P, RG1608N, and RG1608V series?

A: These series differ in temperature coefficient specification. RG1608P has ±25ppm/°C, RG1608N has ±10ppm/°C, and RG1608V has ±5ppm/°C. All three series are mechanically and electrically compatible in the 0603 package with 270 Ohms resistance and 0.1W power rating. Lower temperature coefficient indicates better stability across temperature variations.

Q: Is the RT0603CRD07270RL from YAGEO a suitable replacement?

A: Yes. The RT0603CRD07270RL matches the RG1608P-271-C-T5 in resistance (270 Ω), tolerance (±0.25%), power rating (0.1W), package (0603), and temperature coefficient (±25ppm/°C). It is ROHS3 compliant and currently in active production. Mechanical dimensions are equivalent with maximum seated height of 0.022" versus 0.020" for the original.

Q: Why is the RG1608P-271-C-T5 marked as obsolete?

A: Product obsolescence indicates the manufacturer has discontinued production. Active substitute parts from the same manufacturer (Susumu RG series) and alternative manufacturers (YAGEO RT series) are available to ensure design continuity and supply chain reliability.

Q: Can I use a 0603 resistor from a different package designation?

A: No. The 0603 package designation (1608 Metric) is a specific industry standard. All substitute parts listed use this identical package. Substitution outside this package class would require circuit board redesign and is not applicable to this reference.

Q: What is the significance of the temperature coefficient difference between parts?

A: Temperature coefficient indicates how much the resistance value changes per degree Celsius. A lower coefficient (±5ppm/°C versus ±25ppm/°C) means the resistance remains more stable across temperature variations. For applications operating across the full -55°C to 155°C range, lower temperature coefficient provides improved circuit performance and reduced drift.

Q: Are all listed substitutes AEC-Q200 qualified?

A: All Susumu RG series substitutes (RG1608N, RG1608P, RG1608V) carry AEC-Q200 automotive qualification. The YAGEO RT0603CRD07270RL does not list AEC-Q200 qualification in the provided specifications. For automotive applications requiring AEC-Q200 compliance, Susumu parts are the appropriate selection.

Q: What is the difference between Tape & Reel (TR) and other packaging formats?

A: Tape & Reel is a standard automated assembly format where components are wound on continuous tape for pick-and-place machine compatibility. The original RG1608P-271-C-T5 does not specify packaging format, while all active substitutes are supplied in Tape & Reel format, which is the industry standard for SMD component distribution.

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