RG1608P-3830-B-T1 Equivalent & Substitute Parts

Part Overview

The RG1608P-3830-B-T1 is a 383 Ohms ±0.1% thin film chip resistor in 0603 (1608 Metric) package rated for 0.1W power dissipation. This component features anti-sulfur coating and automotive AEC-Q200 qualification, suitable for high-reliability applications requiring precision resistance values. The part carries obsolete product status, necessitating identification of active equivalent and substitute components for ongoing design support and procurement continuity.

Key Parameters

Parameter	Value
Resistance	383 Ohms
Tolerance	±0.1%
Power Rating	0.1W (1/10W)
Package	0603 (1608 Metric)
Composition	Thin Film
Temperature Coefficient	±25ppm/°C
Operating Temperature Range	-55°C to 155°C
Automotive Rating	AEC-Q200
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	MSL 1 (Unlimited)

Substitute Part Grouping Explanation

Substitution of the RG1608P-3830-B-T1 is determined by the following critical parameters:

Mandatory Matching Parameters:

Resistance value: 383 Ohms
Package type: 0603 (1608 Metric)
Power rating: 0.1W (1/10W)
Composition: Thin Film
Operating temperature range: -55°C to 155°C
Automotive qualification: AEC-Q200
RoHS compliance: ROHS3 Compliant

Allowable Variation Parameters:

Tolerance: Can be equal to or tighter than ±0.1% (±0.05%, ±0.02% are acceptable)
Temperature coefficient: Can be equal to or lower than ±25ppm/°C (±10ppm/°C, ±5ppm/°C are acceptable)
Packaging format: Tape & Reel (TR) substitutes the original packaging
Manufacturer: Alternative manufacturers with equivalent specifications are acceptable

Substitute parts are grouped into two categories: direct equivalents (matching all specifications) and upgrades (improved tolerance or temperature coefficient performance).

Parameter Comparison

Part Number	Manufacturer	Status	Resistance	Tolerance	Power	Temp Coeff	Package	AEC-Q200	Inventory
RG1608P-3830-B-T1	Susumu	Obsolete	383 Ω	±0.1%	0.1W	±25ppm/°C	0603	Yes	1138 Pcs
RG1608P-3830-B-T5	Susumu	Active	383 Ω	±0.1%	0.1W	±25ppm/°C	0603	Yes	805 Pcs
RG1608N-3830-B-T5	Susumu	Active	383 Ω	±0.1%	0.1W	±10ppm/°C	0603	Yes	1003 Pcs
RG1608N-3830-P-T1	Susumu	Active	383 Ω	±0.02%	0.1W	±10ppm/°C	0603	Yes	850 Pcs
RG1608N-3830-W-T1	Susumu	Active	383 Ω	±0.05%	0.1W	±10ppm/°C	0603	Yes	1011 Pcs
RG1608P-3830-P-T1	Susumu	Active	383 Ω	±0.02%	0.1W	±25ppm/°C	0603	Yes	1038 Pcs
RG1608P-3830-W-T1	Susumu	Active	383 Ω	±0.05%	0.1W	±25ppm/°C	0603	Yes	1096 Pcs
RG1608V-3830-B-T5	Susumu	Active	383 Ω	±0.1%	0.1W	±5ppm/°C	0603	Yes	713 Pcs
RG1608V-3830-P-T1	Susumu	Active	383 Ω	±0.02%	0.1W	±5ppm/°C	0603	Yes	707 Pcs
RG1608V-3830-W-T1	Susumu	Active	383 Ω	±0.05%	0.1W	±5ppm/°C	0603	Yes	1081 Pcs
ERA-3AEB3830V	Panasonic Electronic Components	Active	383 Ω	±0.1%	0.1W	±25ppm/°C	0603	Yes	12552 Pcs

Engineering Selection Recommendations

Direct Equivalent (Same Specifications):

RG1608P-3830-B-T5 is the direct active equivalent to the obsolete RG1608P-3830-B-T1. Both components share identical electrical specifications: 383 Ohms ±0.1% tolerance, 0.1W power rating, ±25ppm/°C temperature coefficient, and AEC-Q200 automotive qualification. The primary difference is packaging format (Tape & Reel versus the original format) and active product status. This part is recommended for direct replacement in new designs and procurement.

ERA-3AEB3830V from Panasonic Electronic Components provides an alternative direct equivalent from a different manufacturer. It matches all critical electrical and mechanical parameters, maintains AEC-Q200 qualification, and offers significantly higher inventory availability (12,552 pieces). This part is suitable for applications where manufacturer diversification is required.

Upgraded Specifications (Enhanced Performance):

Parts with improved temperature coefficient (±10ppm/°C or ±5ppm/°C) are suitable for applications requiring superior thermal stability. The RG1608N series (±10ppm/°C) and RG1608V series (±5ppm/°C) provide this enhancement while maintaining all other specifications.

Parts with tighter tolerance (±0.05% or ±0.02%) are suitable for precision circuit applications. These include RG1608N-3830-W-T1 (±0.05%, ±10ppm/°C), RG1608N-3830-P-T1 (±0.02%, ±10ppm/°C), RG1608P-3830-W-T1 (±0.05%, ±25ppm/°C), RG1608P-3830-P-T1 (±0.02%, ±25ppm/°C), and the RG1608V series variants.

All substitute parts maintain ROHS3 compliance, MSL 1 rating, and AEC-Q200 automotive qualification, ensuring compatibility with existing design requirements and regulatory standards.

Frequently Asked Questions (FAQ)

Q: Can RG1608P-3830-B-T5 be used as a direct replacement for RG1608P-3830-B-T1?

A: Yes. RG1608P-3830-B-T5 is a direct equivalent with identical electrical specifications (383 Ohms ±0.1%, 0.1W, ±25ppm/°C). The primary difference is packaging format (Tape & Reel) and active product status. Both components are electrically and mechanically interchangeable in 0603 package footprints.

Q: What is the difference between Susumu RG series variants (P, N, V)?

A: The letter designation indicates temperature coefficient performance. RG1608P series has ±25ppm/°C, RG1608N series has ±10ppm/°C, and RG1608V series has ±5ppm/°C. All other specifications remain identical for parts with the same resistance and tolerance values.

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

A: Yes. Tighter tolerance specifications are acceptable substitutes for applications originally designed with ±0.1% tolerance. The component will perform within the original design requirements while providing improved accuracy. Examples include RG1608P-3830-W-T1 (±0.05%) and RG1608P-3830-P-T1 (±0.02%).

Q: Is ERA-3AEB3830V from Panasonic compatible with the Susumu RG1608P-3830-B-T1?

A: Yes. ERA-3AEB3830V matches all critical specifications: 383 Ohms ±0.1%, 0.1W power rating, 0603 package, ±25ppm/°C temperature coefficient, and AEC-Q200 qualification. The component is mechanically and electrically interchangeable. Panasonic's higher inventory availability makes this part suitable for high-volume applications.

Q: Does the packaging format (Tape & Reel) affect electrical performance?

A: No. Packaging format affects only handling, storage, and assembly processes. Tape & Reel packaging does not alter electrical characteristics, performance, or reliability of the resistor component itself.

Q: Are all substitute parts RoHS3 compliant and automotive qualified?

A: Yes. All listed substitute parts maintain ROHS3 compliance and AEC-Q200 automotive qualification, matching the original component's regulatory and quality standards.

Q: What is the significance of MSL 1 (Unlimited) rating?

A: MSL 1 indicates the component has unlimited shelf life and requires no special moisture control during storage or handling. This simplifies procurement, inventory management, and assembly processes compared to higher MSL ratings.

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