RG1608P-4642-C-T5 Equivalent & Substitute Parts

Part Overview

The RG1608P-4642-C-T5 is a 46.4 kOhms ±0.25% thin film chip resistor in 0603 (1608 Metric) package rated for 0.1W power dissipation. Manufactured by Susumu, this component features anti-sulfur coating and automotive AEC-Q200 qualification, suitable for high-reliability applications across -55°C to 155°C operating temperature range.

The RG1608P-4642-C-T5 is classified as obsolete. Equivalent and substitute parts are available from multiple manufacturers with improved specifications or enhanced availability, making substitution necessary for ongoing production and procurement requirements.

Key Parameters

Parameter	Value
Resistance	46.4 kOhms
Tolerance	±0.25%
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
Features	Anti-Sulfur, Automotive AEC-Q200
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution of the RG1608P-4642-C-T5 is determined by the following critical parameters:

Mandatory Compatibility Parameters:

Resistance value: 46.4 kOhms (exact match required)
Package type: 0603 (1608 Metric) (physical and electrical compatibility)
Power rating: 0.1W minimum (equal or higher acceptable)
Composition: Thin film (maintains performance characteristics)
Operating temperature range: -55°C to 155°C minimum (equal or wider acceptable)

Substitution Categories:

Upgrade Parts – Active status components with improved tolerance specifications (±0.1% or ±0.05%) or enhanced temperature coefficient performance (±10ppm/°C). These parts maintain or exceed all electrical and mechanical parameters of the original part.

Direct Equivalents – Active status components from alternative manufacturers with matching or superior specifications. These parts provide functional equivalence with different manufacturing sources.

All substitute parts listed maintain ROHS3 compliance, MSL 1 rating, and 0603 package dimensions. Tolerance improvements and temperature coefficient enhancements represent performance upgrades without compromising compatibility.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Temp Coeff (ppm/°C)	Operating Temp (°C)	Product Status	AEC-Q200
RG1608P-4642-C-T5	Susumu	46.4 kΩ	±0.25%	0.1	±25	-55 to 155	Obsolete	Yes
RG1608N-4642-B-T5	Susumu	46.4 kΩ	±0.1%	0.1	±10	-55 to 155	Active	Yes
RG1608N-4642-W-T1	Susumu	46.4 kΩ	±0.05%	0.1	±10	-55 to 155	Active	Yes
RG1608P-4642-B-T5	Susumu	46.4 kΩ	±0.1%	0.1	±25	-55 to 155	Active	Yes
RG1608P-4642-W-T1	Susumu	46.4 kΩ	±0.05%	0.1	±25	-55 to 155	Active	Yes
6-2176089-0	TE Connectivity	46.4 kΩ	±0.1%	0.167	±25	-55 to 155	Active	No
RT0603CRD0746K4L	YAGEO	46.4 kΩ	±0.25%	0.1	±25	-55 to 155	Active	No
ERA-3AEB4642V	Panasonic	46.4 kΩ	±0.1%	0.1	±25	-55 to 155	Active	Yes
MCT06030D4642BP500	Vishay Beyschlag	46.4 kΩ	±0.1%	0.1	±25	-55 to 125	Active	No
RT0603BRD0746K4L	YAGEO	46.4 kΩ	±0.1%	0.1	±25	-55 to 155	Active	No

Engineering Selection Recommendations

For Automotive AEC-Q200 Applications:

Select from Susumu RG series (RG1608N-4642-B-T5, RG1608N-4642-W-T1, RG1608P-4642-B-T5, RG1608P-4642-W-T1) or Panasonic ERA-3AEB4642V. These components maintain AEC-Q200 certification required for automotive-grade reliability. The Susumu RG1608N series offers superior temperature coefficient performance (±10ppm/°C) compared to the original part (±25ppm/°C).

For General Industrial Applications with Full Temperature Range:

YAGEO RT0603BRD0746K4L and RT0603CRD0746K4L provide active-status alternatives with -55°C to 155°C operating range. RT0603BRD0746K4L offers improved tolerance (±0.1%) matching the original specification, while RT0603CRD0746K4L maintains the original ±0.25% tolerance.

For Applications Requiring Higher Power Dissipation:

TE Connectivity 6-2176089-0 provides 0.167W (1/6W) power rating, exceeding the original 0.1W specification while maintaining 46.4 kOhms resistance and ±0.1% tolerance. Operating temperature range matches the original (-55°C to 155°C).

For Temperature-Constrained Applications:

Vishay Beyschlag MCT06030D4642BP500 operates to 125°C maximum. This part is suitable only for applications where the upper temperature limit does not exceed 125°C.

Inventory and Availability:

Panasonic ERA-3AEB4642V offers the highest inventory availability (44,516 pcs) among active substitutes. Susumu RG1608P-4642-B-T5 provides 5,994 pcs in stock with active product status and AEC-Q200 certification.

Frequently Asked Questions (FAQ)

Q: Can the RG1608P-4642-C-T5 be directly replaced with any of the listed substitute parts?

A: Yes, all listed substitute parts are electrically and mechanically compatible. They share the same 46.4 kOhms resistance value, 0603 package, and 0.1W minimum power rating. Physical dimensions remain within acceptable tolerances for PCB assembly.

Q: What is the difference between "Upgrade" and "Direct" substitute classifications?

A: Upgrade parts feature improved specifications (lower tolerance or better temperature coefficient) while maintaining or exceeding all original parameters. Direct equivalents provide functional matching from alternative manufacturers. Both categories are fully compatible with the original part's application requirements.

Q: Does tolerance improvement affect circuit performance?

A: Tolerance improvement (from ±0.25% to ±0.1% or ±0.05%) reduces resistor value variation. This benefits precision circuits requiring tighter component matching. For applications where the original ±0.25% tolerance was acceptable, improved tolerance parts provide enhanced performance without circuit redesign.

Q: Are all substitute parts ROHS3 compliant?

A: Yes, all listed substitute parts are ROHS3 compliant with MSL 1 (Unlimited) moisture sensitivity rating, matching the original part's environmental compliance.

Q: Which substitute part is recommended for new automotive designs?

A: Panasonic ERA-3AEB4642V or Susumu RG1608N-4642-B-T5 are recommended for new automotive designs. Both maintain AEC-Q200 certification and offer active product status with high inventory availability. The Susumu RG1608N series provides superior temperature coefficient performance (±10ppm/°C).

Q: Can the RG1608P-4642-C-T5 be used interchangeably with TE Connectivity 6-2176089-0?

A: Yes, with the consideration that 6-2176089-0 provides higher power rating (0.167W vs. 0.1W). The higher power rating does not create compatibility issues. However, 6-2176089-0 lacks AEC-Q200 certification, making it unsuitable for automotive applications requiring this qualification.

Q: What is the impact of temperature coefficient differences?

A: The original part specifies ±25ppm/°C temperature coefficient. Susumu RG1608N series parts offer ±10ppm/°C, reducing resistance value drift across the -55°C to 155°C operating range. This improvement benefits precision analog circuits and temperature-sensitive applications. For general-purpose applications, both specifications are acceptable.

Q: Is the operating temperature range critical for substitution?

A: Yes. The original part operates from -55°C to 155°C. Substitute parts must support this full range or a wider range. Vishay Beyschlag MCT06030D4642BP500 operates only to 125°C maximum and is unsuitable for applications requiring the full -55°C to 155°C range.

Q: What packaging format is used for all substitute parts?

A: All substitute parts are supplied in Tape & Reel (TR) format, standard for automated PCB assembly. The 0603 (1608 Metric) package dimensions are consistent across all parts, ensuring compatibility with existing PCB layouts and pick-and-place equipment.

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