RG1608P-4420-B-T5 Equivalent & Substitute Parts

Part Overview

The RG1608P-4420-B-T5 is a 442 Ohm ±0.1% thin film chip resistor manufactured by Susumu in 0603 (1608 Metric) package format. This component is rated for 0.1W (1/10W) power dissipation and features anti-sulfur coating with automotive AEC-Q200 qualification. The part is actively produced and widely used in automotive and industrial applications requiring precision resistive elements. Substitute parts are identified to provide design flexibility, supply chain alternatives, and compatibility options across multiple manufacturers while maintaining equivalent electrical and mechanical specifications.

Substiute Parts

RG1608P-4420-B-T5

SusumuIn Stock: 1231RG1608P-4420-B-T5 Datasheet

Current PartRFQ

ERA-3AEB4420V

Panasonic Electronic ComponentsIn Stock: 5438ERA-3AEB4420V Datasheet

DirectRFQ

RP73PF1J442RBTDF

TE Connectivity Passive ProductIn Stock: 1689RP73PF1J442RBTDF Datasheet

DirectRFQ

RT0603BRD07442RL

YAGEOIn Stock: 28322RT0603BRD07442RL Datasheet

DirectRFQ

TNPW0603442RBEEA

Vishay DaleIn Stock: 5592TNPW0603442RBEEA Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the RG1608P-4420-B-T5 is determined by the following critical parameters:

Primary Substitution Criteria:

• Resistance value: 442 Ohms
• Tolerance: ±0.1%
• Package format: 0603 (1608 Metric)
• Composition: Thin Film
• Temperature coefficient: ±25ppm/°C
• Number of terminations: 2
• RoHS3 compliance
• MSL rating: 1 (Unlimited)

Secondary Compatibility Factors:

• Power rating: Minimum 0.1W (substitutes with higher power ratings are acceptable)
• Operating temperature range: Minimum -55°C ~ 155°C (extended ranges are acceptable)
• Automotive qualification: AEC-Q200 preferred but not mandatory for all applications

The substitute parts listed maintain identical resistance, tolerance, package, and composition specifications. Variations in power rating and maximum operating temperature represent enhanced or equivalent performance characteristics that do not restrict substitution in standard applications.

Parameter Comparison

Engineering Selection Recommendations

All listed substitute parts maintain active production status and full ROHS3 compliance, ensuring long-term availability and regulatory conformance.

ERA-3AEB4420V (Panasonic Electronic Components): Direct equivalent with identical power rating (0.1W) and operating temperature range (-55°C ~ 155°C). Includes AEC-Q200 automotive qualification. Height specification (0.022" maximum) is marginally higher than the main part (0.020" maximum) but remains within standard 0603 package tolerances.

RP73PF1J442RBTDF (TE Connectivity Passive Product): Offers enhanced power rating (0.167W, 1/6W) compared to the main part specification. Maintains identical resistance, tolerance, and temperature coefficient. Automotive qualification is not specified. Physical dimensions (1.55mm length, 0.80mm width) are slightly reduced from the main part.

RT0603BRD07442RL (YAGEO): Functionally equivalent with matching power rating (0.1W) and operating temperature range. Automotive qualification is not specified. Highest inventory availability (28,223 pieces) among all substitutes. Height specification (0.022" maximum) is marginally higher than the main part.

TNPW0603442RBEEA (Vishay Dale): Provides enhanced power rating (0.21W) and extended operating temperature range (-55°C ~ 175°C). Includes AEC-Q200 automotive qualification and additional moisture-resistant feature. Physical dimensions (1.55mm length, 0.85mm width) represent minor variations within 0603 package specifications.

Frequently Asked Questions (FAQ)

Q: Can I substitute the RG1608P-4420-B-T5 with any of the listed parts in automotive applications?

A: ERA-3AEB4420V and TNPW0603442RBEEA both carry AEC-Q200 automotive qualification matching the main part. RP73PF1J442RBTDF and RT0603BRD07442RL do not specify automotive qualification; their use in automotive applications depends on specific design requirements and qualification protocols.

Q: What is the significance of the power rating differences among substitute parts?

A: The main part is rated for 0.1W. Substitutes with higher power ratings (RP73PF1J442RBTDF at 0.167W and TNPW0603442RBEEA at 0.21W) can be used in applications requiring the 0.1W specification without derating concerns. Higher power ratings indicate enhanced thermal performance and margin.

Q: Are all substitute parts physically compatible with the 0603 package footprint?

A: All substitute parts use the 0603 (1608 Metric) package format. Minor dimensional variations exist within standard package tolerances: length ranges from 1.55mm to 1.60mm, width ranges from 0.80mm to 0.85mm, and height ranges from 0.50mm to 0.55mm. These variations are within acceptable PCB footprint design tolerances for 0603 components.

Q: Which substitute part offers the best supply availability?

A: RT0603BRD07442RL (YAGEO) has the highest documented inventory at 28,223 pieces. TNPW0603442RBEEA (Vishay Dale) has 5,531 pieces, ERA-3AEB4420V (Panasonic) has 5,343 pieces, and RP73PF1J442RBTDF (TE Connectivity) has 1,620 pieces.

Q: Do all substitute parts meet RoHS3 compliance requirements?

A: All listed substitute parts are ROHS3 compliant. All parts also carry MSL rating of 1 (Unlimited), indicating no moisture sensitivity restrictions for storage and handling.

Q: What is the difference between the main part's anti-sulfur feature and the substitute parts?

A: The RG1608P-4420-B-T5 explicitly includes anti-sulfur coating. TNPW0603442RBEEA also specifies anti-sulfur coating plus moisture-resistant features. ERA-3AEB4420V, RP73PF1J442RBTDF, and RT0603BRD07442RL do not specify anti-sulfur features in their documentation. For applications requiring sulfur resistance, ERA-3AEB4420V or TNPW0603442RBEEA are preferred selections.

Q: Can I use TNPW0603442RBEEA as a direct replacement in all applications?

A: TNPW0603442RBEEA is functionally compatible with identical resistance, tolerance, and temperature coefficient. The extended operating temperature range (-55°C ~ 175°C) and higher power rating (0.21W) represent performance enhancements. The slightly larger physical dimensions (0.85mm width versus 0.80mm) remain within 0603 package specifications but should be verified against specific PCB layout constraints.