SIL08M471J Equivalent & Substitute Parts

Part Overview

The SIL08M471J is a 470 Ohm isolated 4-resistor network array manufactured by TE Connectivity Passive Product in an 8-SIP through-hole package. This component is classified as Active product status and is designed for applications requiring discrete resistor networks with controlled electrical characteristics. The part operates across an industrial temperature range of -55°C to 125°C with ±5% tolerance and 200mW power per element rating.

Equivalent and substitute parts are identified to address inventory availability, performance upgrades, or compliance requirements while maintaining functional compatibility within the specified electrical and mechanical parameters.

Substiute Parts

SIL08M471J

TE Connectivity Passive ProductIn Stock: 917SIL08M471J Datasheet

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4608X-102-471LF

Bourns Inc.In Stock: 333024608X-102-471LF Datasheet

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77083471P

CTS Resistor ProductsIn Stock: 162677083471P Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the SIL08M471J is determined by the following mandatory parameters:

• Resistance Value: 470 Ohm (exact match required)
• Circuit Type: Isolated configuration
• Number of Resistors: 4 elements
• Package Type: 8-SIP form factor
• Mounting Technology: Through-hole
• Operating Temperature Range: -55°C to 125°C minimum coverage

The identified substitute parts meet all mandatory substitution criteria. Variations in tolerance, power rating per element, and temperature coefficient are permitted within the scope of component selection, as these parameters represent performance enhancements or alternative specifications rather than functional incompatibilities.

Parameter Comparison

Engineering Selection Recommendations

SIL08M471J (TE Connectivity Passive Product)

The original part is Active status with RoHS non-compliant classification. Selection of this part is appropriate for applications without RoHS compliance requirements or for legacy system maintenance where original specifications are mandated.

4608X-102-471LF (Bourns Inc.)

This substitute offers ROHS3 compliance with enhanced electrical performance characteristics: ±2% tolerance (improved from ±5%), 300mW power per element (increased from 200mW), and ±100ppm/°C temperature coefficient (improved from ±200ppm/°C). The 4608X-102-471LF is suitable for applications requiring RoHS compliance and higher precision or power dissipation margins. Dimensional compatibility is confirmed with negligible variation (0.002" length difference, 0.01mm width difference).

77083471P (CTS Resistor Products)

This substitute provides ROHS3 compliance with ±2% tolerance and ±100ppm/°C temperature coefficient. The power per element rating is 100mW, which is lower than the original 200mW specification. The 77083471P is suitable for applications requiring RoHS compliance in circuits where power dissipation per resistor element does not exceed 100mW. Dimensional compatibility is confirmed with identical length and width, and slightly reduced seated height (0.195" versus 0.200").

Frequently Asked Questions (FAQ)

Q: Can the 4608X-102-471LF directly replace the SIL08M471J in all applications?

A: The 4608X-102-471LF meets all mandatory substitution criteria: 470 Ohm resistance, 4-element isolated configuration, 8-SIP package, and through-hole mounting. Dimensional compatibility is confirmed. The substitute provides improved tolerance (±2% versus ±5%) and higher power rating (300mW versus 200mW per element), making it suitable for direct replacement in applications where these enhancements are acceptable or beneficial.

Q: What is the primary difference between the 4608X-102-471LF and 77083471P substitutes?

A: Both substitutes share 470 Ohm resistance, ±2% tolerance, and ±100ppm/°C temperature coefficient. The critical difference is power per element: 4608X-102-471LF provides 300mW while 77083471P provides 100mW. Selection between these substitutes depends on circuit power dissipation requirements per resistor element.

Q: Are the substitute parts physically compatible with the original SIL08M471J footprint?

A: Yes. All three parts use the 8-SIP through-hole package with compatible pin configurations. Dimensional variations are negligible: the 4608X-102-471LF length differs by 0.002" (0.05mm), and the 77083471P seated height is 0.005" (0.13mm) lower. These variations do not affect PCB footprint compatibility.

Q: What compliance advantage do the substitute parts offer?

A: Both 4608X-102-471LF and 77083471P are ROHS3 compliant, whereas the original SIL08M471J is RoHS non-compliant. Applications subject to RoHS directives or customer compliance requirements must use one of the compliant substitutes.

Q: Can the 77083471P be used in applications requiring 200mW power dissipation per resistor element?

A: No. The 77083471P is rated for 100mW power per element. Applications requiring 200mW or higher power dissipation per element must use the original SIL08M471J or the 4608X-102-471LF (300mW rating).

Q: How do tolerance specifications affect circuit performance?

A: The original SIL08M471J specifies ±5% tolerance, while both substitutes provide ±2% tolerance. Tighter tolerance reduces resistor value variation across the array and improves circuit predictability. Applications sensitive to resistor matching or requiring tighter value control benefit from the ±2% tolerance of the substitute parts.

Q: Are there temperature coefficient differences that affect circuit operation?

A: The original SIL08M471J has ±200ppm/°C temperature coefficient, while both substitutes have ±100ppm/°C. Lower temperature coefficient means resistor values remain more stable across the -55°C to 125°C operating range. Applications operating across wide temperature ranges benefit from the improved temperature stability of the substitute parts.