SJA1105PELY Equivalent & Substitute Parts

Part Overview

The SJA1105PELY is an Ethernet Switch IC with IEEE 802.3 SPI interface, manufactured by NXP USA Inc. in a 159-LFBGA (12x12) package. This automotive-grade component operates across -40°C to 125°C and is qualified to AEC-Q100 standards. The part is currently active in production with 1330 units in stock. Substitute parts are necessary to address supply chain flexibility, inventory availability, and design validation across different manufacturing lots and qualification batches.

Substiute Parts

SJA1105PELY

NXP USA Inc.In Stock: 1372SJA1105PELY Datasheet

Current PartRFQ

SJA1105ELY

NXP SemiconductorsIn Stock: 1892SJA1105ELY Datasheet

Parametric EquivalentRFQ

SJA1105QELY

NXP USA Inc.In Stock: 3881SJA1105QELY Datasheet

Parametric EquivalentRFQ

SJA1105RELY

NXP USA Inc.In Stock: 29459SJA1105RELY Datasheet

Parametric EquivalentRFQ

SJA1105SELY

NXP USA Inc.In Stock: 1000176SJA1105SELY Datasheet

Parametric EquivalentRFQ

SJA1105TELY

NXP USA Inc.In Stock: 1712SJA1105TELY Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

All substitute parts for SJA1105PELY share identical electrical and mechanical specifications. Substitution is valid based on the following criteria:

• Identical protocol (Ethernet) and function (Switch)
• Identical SPI interface and IEEE 802.3 standards compliance
• Matching supply voltage range (1.65V ~ 3.6V) and current specification (4.6mA)
• Identical operating temperature range (-40°C ~ 125°C)
• Same package type and pinout (159-LFBGA 12x12)
• Automotive grade with AEC-Q100 qualification
• ROHS3 compliance and MSL 3 rating
• Common base product number (SJA1105)

The substitute parts differ only in manufacturing lot codes (indicated by suffix letters: E, Q, R, S, T) and represent different production batches from NXP USA Inc. or NXP Semiconductors. These variations do not affect functional or electrical compatibility.

Parameter Comparison

Engineering Selection Recommendations

All substitute parts maintain active product status and full AEC-Q100 automotive qualification. Selection among these equivalents should be based on:

• Inventory availability and lead time requirements
• Manufacturing lot traceability for supply chain documentation
• Compliance with specific procurement specifications that may reference particular lot codes
• Cost considerations across different manufacturing batches

SJA1105SELY offers the highest inventory level (1,000,100 units), providing maximum supply chain flexibility. SJA1105RELY provides substantial availability (29,400 units) with shorter procurement cycles. All parts maintain identical electrical performance, thermal characteristics, and reliability standards.

Frequently Asked Questions (FAQ)

Q: Are all SJA1105 variants pin-compatible? A: Yes. All listed substitutes use the identical 159-LFBGA (12x12) package with matching pinout and signal definitions.

Q: Can I substitute SJA1105PELY with SJA1105SELY in production? A: Yes, provided your design and procurement documentation permit lot code substitution. Both parts are electrically and mechanically equivalent with identical AEC-Q100 qualification.

Q: What determines the suffix letters (P, E, Q, R, S, T) in the part number? A: The suffix indicates the manufacturing lot code assigned by NXP. These do not affect functional specifications or electrical performance.

Q: Are there any temperature or voltage derating differences between substitutes? A: No. All parts operate identically across the -40°C to 125°C range and 1.65V to 3.6V supply voltage window.

Q: Do all substitutes meet the same moisture sensitivity requirements? A: Yes. All parts carry MSL 3 (168 Hours) rating, requiring identical handling and storage protocols.

Q: Which substitute offers the best availability? A: SJA1105SELY provides the highest inventory (1,000,100 units), followed by SJA1105RELY (29,400 units).