SIL09E151J Equivalent & Substitute Parts

Part Overview

The SIL09E151J is a 150 Ohm bussed 8-resistor network array manufactured by TE Connectivity Passive Product in a 9-SIP through-hole package. This component is classified as obsolete, necessitating identification of equivalent substitute parts for ongoing design requirements and procurement needs. The part delivers 200mW power per element with ±5% tolerance and ±200ppm/°C temperature coefficient across an operating range of -55°C to 125°C.

Substiute Parts

SIL09E151J

TE Connectivity Passive ProductIn Stock: 713SIL09E151J Datasheet

Current PartRFQ

4609X-101-151LF

Bourns Inc.In Stock: 29534609X-101-151LF Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the SIL09E151J is determined by the following critical parameters that must remain constant or improve:

Mandatory Matching Parameters:

• Resistance value: 150 Ohms
• Number of resistors: 8
• Circuit topology: Bussed configuration
• Package type: 9-SIP
• Number of pins: 9
• Power per element: 200mW minimum
• Mounting type: Through Hole
• Operating temperature range: -55°C to 125°C minimum

Allowable Improvements:

• Tolerance: May be tighter (lower value acceptable)
• Temperature coefficient: May be lower (improved stability acceptable)
• Product status: Active status preferred over obsolete

The substitute part 4609X-101-151LF from Bourns Inc. satisfies all mandatory parameters while providing improved tolerance (±2% versus ±5%) and superior temperature coefficient stability (±100ppm/°C versus ±200ppm/°C).

Parameter Comparison

Engineering Selection Recommendations

The 4609X-101-151LF from Bourns Inc. is the direct substitute for the obsolete SIL09E151J. Selection of this substitute is supported by the following factors:

Compliance and Regulatory: Both parts maintain ROHS3 compliance and REACH unaffected status, ensuring regulatory continuity in applications subject to environmental directives.

Product Lifecycle: The 4609X-101-151LF carries active product status with confirmed inventory availability (2903 pieces), whereas the SIL09E151J is obsolete. This transition ensures long-term supply chain viability and manufacturing support.

Electrical Performance: The substitute part delivers equivalent electrical functionality with measurable improvements in tolerance specification (±2% versus ±5%) and temperature coefficient performance (±100ppm/°C versus ±200ppm/°C). These improvements enhance circuit stability without introducing incompatibility.

Physical Compatibility: Dimensional specifications are functionally equivalent, with maximum variance of 0.002" in length and 0.01mm in width. Both parts maintain identical 9-SIP package geometry, pin count, and through-hole mounting characteristics, enabling direct board-level substitution.

Frequently Asked Questions (FAQ)

Q: Can the 4609X-101-151LF be used as a direct replacement for the SIL09E151J in existing designs?

A: Yes. The 4609X-101-151LF is electrically and mechanically compatible with the SIL09E151J. Both parts share identical resistance value, package type, pin configuration, and power rating. Physical dimensions are functionally equivalent for PCB mounting.

Q: What are the key differences between these two parts?

A: The primary differences are product status and performance specifications. The 4609X-101-151LF is an active product with improved tolerance (±2% versus ±5%) and superior temperature coefficient (±100ppm/°C versus ±200ppm/°C). These represent enhancements rather than deviations from the original specification.

Q: Are there any compliance or certification concerns with substitution?

A: No. Both parts maintain ROHS3 compliance, REACH unaffected status, and identical ECCN classification (EAR99). Regulatory and environmental requirements are satisfied by either part.

Q: What is the significance of the improved tolerance specification?

A: The ±2% tolerance of the 4609X-101-151LF provides tighter resistance value control compared to the ±5% tolerance of the SIL09E151J. This improvement enhances circuit accuracy and reduces tolerance stack-up in applications requiring precise resistor networks.

Q: Does the lower temperature coefficient affect circuit operation?

A: The ±100ppm/°C temperature coefficient of the 4609X-101-151LF represents improved thermal stability compared to the ±200ppm/°C of the SIL09E151J. This enhancement reduces resistance drift across the -55°C to 125°C operating range, benefiting applications sensitive to temperature-induced variations.

Q: Are the physical dimensions identical?

A: Dimensions are functionally equivalent. The 4609X-101-151LF measures 0.898" L x 0.098" W (22.81mm x 2.49mm) versus the SIL09E151J at 0.900" L x 0.098" W (22.86mm x 2.50mm). Maximum variance is 0.002" in length. Both parts maintain identical 0.200" (5.08mm) seated height and 9-SIP package footprint.

Q: What is the availability status of each part?

A: The SIL09E151J is obsolete with 652 pieces in current inventory. The 4609X-101-151LF is an active product with 2903 pieces in stock, providing superior long-term supply chain assurance.