SIL08M151J Equivalent & Substitute Parts

Part Overview

The SIL08M151J is a 150 Ohm isolated 4-resistor network array manufactured by TE Connectivity Passive Product in an 8-SIP through-hole package. This component is rated for 200mW power per element with ±5% tolerance and ±200ppm/°C temperature coefficient. The part is currently active in production with 831 pieces in stock.

Equivalent and substitute parts are identified when design requirements, supply chain constraints, or performance specifications necessitate alternative component selection while maintaining functional compatibility within the isolated resistor network category.

Substiute Parts

SIL08M151J

TE Connectivity Passive ProductIn Stock: 845SIL08M151J Datasheet

Current PartRFQ

4608X-102-151LF

Bourns Inc.In Stock: 53594608X-102-151LF Datasheet

UpgradeRFQ

77083151P

CTS Resistor ProductsIn Stock: 175877083151P Datasheet

UpgradeRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the SIL08M151J is determined by the following critical parameters:

Mandatory Matching Parameters:

• Resistance value: 150 Ohm
• Circuit type: Isolated
• Number of resistors: 4
• Number of pins: 8
• Package type: 8-SIP
• Mounting type: Through Hole
• Operating temperature range: -55°C to 125°C

Allowable Parameter Variations:

• Tolerance: Substitute parts with equal or tighter tolerance (±2% acceptable for ±5% requirement)
• Power per element: Substitute parts with equal or greater power rating (100mW or higher acceptable for 200mW requirement)
• Temperature coefficient: Substitute parts with equal or lower absolute value (±100ppm/°C acceptable for ±200ppm/°C requirement)
• Physical dimensions: Minor variations within standard package specifications
• RoHS compliance: Upgrades to RoHS3 compliant alternatives permitted

Parameter Comparison

Engineering Selection Recommendations

4608X-102-151LF (Bourns Inc.) - Primary Upgrade Path

The 4608X-102-151LF provides enhanced performance specifications across multiple parameters. It delivers tighter tolerance (±2% versus ±5%), higher power per element (300mW versus 200mW), and improved temperature stability (±100ppm/°C versus ±200ppm/°C). This part achieves ROHS3 compliance and REACH unaffected status, meeting modern regulatory requirements. Physical dimensions remain compatible with the 8-SIP footprint. This substitute is suitable for applications requiring improved accuracy and thermal performance.

77083151P (CTS Resistor Products) - Functional Equivalent

The 77083151P maintains full functional compatibility with identical resistance, pin count, and package configuration. It provides tighter tolerance (±2%) and improved temperature coefficient (±100ppm/°C). However, the power per element rating is reduced to 100mW, which is lower than the original 200mW specification. This part achieves ROHS3 compliance and REACH unaffected status. Selection of this substitute requires verification that circuit power dissipation per resistor element does not exceed 100mW.

Frequently Asked Questions (FAQ)

Q: Can the 4608X-102-151LF replace the SIL08M151J in all applications?

A: The 4608X-102-151LF is a direct functional substitute with improved specifications. All critical parameters match or exceed the original part requirements. The enhanced tolerance, power rating, and temperature coefficient make it suitable for all applications where the SIL08M151J was specified.

Q: What is the key limitation of the 77083151P substitute?

A: The 77083151P has a reduced power per element rating of 100mW compared to the original 200mW specification. Applications must operate within this lower power envelope. If circuit design requires power dissipation exceeding 100mW per resistor element, the 77083151P is not suitable.

Q: Are the physical dimensions identical across all three parts?

A: Physical dimensions are nearly identical within standard package tolerances. The 4608X-102-151LF measures 20.27mm length and 2.49mm width compared to 20.32mm and 2.50mm for the original part. The 77083151P matches the original dimensions exactly. All three parts have compatible 8-SIP footprints for through-hole mounting.

Q: What is the difference in tolerance specifications?

A: The SIL08M151J has ±5% tolerance. Both substitute parts offer tighter ±2% tolerance, meaning individual resistor values remain closer to the nominal 150 Ohm specification. Tighter tolerance improves circuit accuracy and reduces performance variation across temperature and time.

Q: How do temperature coefficients affect circuit performance?

A: Temperature coefficient defines resistance value drift per degree Celsius. The SIL08M151J has ±200ppm/°C, while both substitutes have ±100ppm/°C. Lower temperature coefficient values indicate greater resistance stability across the -55°C to 125°C operating range, reducing circuit performance variation in thermal extremes.

Q: Are RoHS and REACH compliance important for my application?

A: RoHS3 compliance and REACH unaffected status are regulatory requirements for many industries and markets. The original SIL08M151J is RoHS non-compliant with undefined REACH status. Both substitute parts achieve full ROHS3 compliance and REACH unaffected status, meeting current environmental and safety regulations.

Q: Can I use the 4608X-102-151LF as a direct drop-in replacement?

A: Yes. The 4608X-102-151LF is a direct drop-in replacement with identical pin configuration, 8-SIP package, and compatible through-hole mounting. No circuit board modifications are required.

Q: What inventory levels are available for each part?

A: SIL08M151J has 831 pieces in stock. The 4608X-102-151LF has 5275 pieces available. The 77083151P has 1710 pieces in stock. Availability varies by supplier and may change based on demand.