Panasonic ERJ-S1TF1020U Equivalent & Substitute Parts

Part Overview

The Panasonic ERJ-S1TF1020U is a 102 Ohm ±1% 1W thick film chip resistor in 2512 (6432 Metric) package format. This component is designed for automotive applications and carries AEC-Q200 qualification with anti-sulfur protection. The part is currently in active production status with 828 units available in stock.

Substitute parts are identified when equivalent electrical specifications, mechanical compatibility, and automotive compliance ratings are maintained across alternative manufacturers. This ensures design flexibility and supply chain continuity without compromising circuit performance or reliability requirements.

Substiute Parts

ERJ-S1TF1020U

Panasonic Electronic ComponentsIn Stock: 858ERJ-S1TF1020U Datasheet

Current PartRFQ

CRCW2512102RFKEGHP

Vishay DaleIn Stock: 3946CRCW2512102RFKEGHP Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the ERJ-S1TF1020U is determined by the following critical parameters:

• Resistance value: 102 Ohms (exact match required)
• Tolerance: ±1% (exact match required)
• Package format: 2512 (6432 Metric) (exact match required)
• Composition: Thick Film (exact match required)
• Operating temperature range: -55°C ~ 155°C (minimum requirement)
• Temperature coefficient: ±100ppm/°C (exact match required)
• Automotive compliance: AEC-Q200 (minimum requirement)
• RoHS compliance: ROHS3 Compliant (minimum requirement)

The Vishay Dale CRCW2512102RFKEGHP meets all substitution criteria. While its power rating is 1.5W (exceeding the 1W specification), this represents a higher capability and does not restrict its use in applications designed for the 1W ERJ-S1TF1020U. Both parts share identical resistance, tolerance, package dimensions, temperature characteristics, and automotive certifications.

Parameter Comparison

Engineering Selection Recommendations

Both the Panasonic ERJ-S1TF1020U and Vishay Dale CRCW2512102RFKEGHP are active production components with full AEC-Q200 automotive qualification and ROHS3 compliance. Selection between these parts should be based on:

• Supply availability and lead time requirements
• Inventory levels at your distribution partner
• Established qualification history within your organization
• Cost considerations for high-volume procurement

The higher power rating of the CRCW2512102RFKEGHP (1.5W versus 1W) provides additional thermal margin in applications where the ERJ-S1TF1020U is specified, with no electrical or mechanical incompatibility.

Frequently Asked Questions (FAQ)

Q: Can the CRCW2512102RFKEGHP replace the ERJ-S1TF1020U in all applications?

A: Yes. The substitute part maintains identical resistance, tolerance, temperature coefficient, package dimensions, and automotive certifications. The higher power rating does not create compatibility issues for circuits designed around the 1W specification.

Q: Are the physical dimensions identical between these parts?

A: The parts are mechanically compatible within PCB design tolerances. The ERJ-S1TF1020U measures 6.40mm x 3.20mm, while the CRCW2512102RFKEGHP measures 6.30mm x 3.15mm. Both share the same 2512 package classification and 0.70mm maximum seated height, ensuring footprint compatibility.

Q: Do both parts meet automotive qualification requirements?

A: Both parts carry AEC-Q200 qualification, meeting automotive reliability and performance standards. The Panasonic part includes anti-sulfur protection; the Vishay Dale part includes pulse withstanding capability. Both are suitable for automotive applications.

Q: What is the moisture sensitivity level for these components?

A: Both parts are rated MSL 1 (Unlimited), indicating no moisture sensitivity restrictions during storage or handling.

Q: Are these parts RoHS compliant?

A: Both parts are ROHS3 compliant, meeting current environmental and hazardous substance restrictions.