ERJ-S14F34R8U Equivalent & Substitute Parts

Part Overview

The ERJ-S14F34R8U is a 34.8 Ohm ±1% thick film chip resistor manufactured by Panasonic Electronic Components in the 1210 (3225 Metric) package format. This component is rated for 0.5W power dissipation and features anti-sulfur coating with AEC-Q200 automotive qualification. The part is currently in active production status. Substitute parts become necessary when the primary part experiences supply constraints, extended lead times, or when design flexibility permits selection from qualified alternatives meeting identical electrical and mechanical specifications.

Substiute Parts

ERJ-S14F34R8U

Panasonic Electronic ComponentsIn Stock: 773ERJ-S14F34R8U Datasheet

Current PartRFQ

ERJ-14NF34R8U

Panasonic Electronic ComponentsIn Stock: 11278ERJ-14NF34R8U Datasheet

SimilarRFQ

RMCF1210FT34R8

Stackpole Electronics IncIn Stock: 9611RMCF1210FT34R8 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the ERJ-S14F34R8U is determined by strict equivalence across the following critical parameters: resistance value (34.8 Ohms), tolerance (±1%), power rating (0.5W), package format (1210 / 3225 Metric), composition (thick film), temperature coefficient (±100ppm/°C), operating temperature range (-55°C to 155°C), and AEC-Q200 automotive qualification. All identified substitute parts meet these requirements without exception. Packaging format (Tape & Reel versus Cut Tape) represents a logistics distinction and does not affect electrical or mechanical compatibility. Product status variations (Active versus Not For New Designs) reflect manufacturing lifecycle positioning and do not alter functional equivalence.

Parameter Comparison

Engineering Selection Recommendations

All three parts satisfy the core electrical and mechanical requirements for direct substitution. The ERJ-S14F34R8U and RMCF1210FT34R8 both carry Active product status, indicating ongoing manufacturing support and suitability for new designs. The ERJ-14NF34R8U carries Not For New Designs status, making it appropriate only for legacy system maintenance or when supply of active alternatives is unavailable. Selection between Panasonic ERJ-S14F34R8U and Stackpole RMCF1210FT34R8 depends on supplier availability and packaging preference (Tape & Reel versus Cut Tape). Both manufacturers provide AEC-Q200 qualified components with identical electrical performance and environmental ratings.

Frequently Asked Questions (FAQ)

Q: Can ERJ-14NF34R8U be used in new product designs? A: No. The ERJ-14NF34R8U carries Not For New Designs status. For new designs, use ERJ-S14F34R8U or RMCF1210FT34R8, both of which are Active products.

Q: What is the difference between Tape & Reel and Cut Tape packaging? A: Tape & Reel (TR) packaging is supplied on continuous carrier tape suitable for automated assembly equipment. Cut Tape (CT) packaging is supplied as individual tape segments. Both formats contain identical components; the difference is logistical and does not affect electrical or mechanical performance.

Q: Are all substitute parts automotive-qualified? A: Yes. All three parts carry AEC-Q200 automotive qualification and are suitable for automotive applications requiring this certification.

Q: Can these parts be used interchangeably on the same PCB? A: Yes. All parts share identical package dimensions (1210 / 3225 Metric), footprint, and electrical specifications. PCB layout and assembly processes require no modification.

Q: What is the significance of MSL 1 rating? A: MSL 1 (Moisture Sensitivity Level 1) indicates unlimited shelf life under standard storage conditions. No special moisture control measures are required during storage or handling.

Q: Are all parts RoHS compliant? A: Yes. All three parts are ROHS3 compliant, meeting current environmental and hazardous substance restrictions.