ERJ-S1DF7872U Equivalent & Substitute Parts

Part Overview

The ERJ-S1DF7872U is a 78.7 kOhms ±1% thick film chip resistor rated at 0.75W in a 2010 (5025 Metric) surface mount package. Manufactured by Panasonic Electronic Components, this part features anti-sulfur coating and AEC-Q200 automotive qualification. The part is currently in active production status with 1075 units in stock.

Substitute parts become necessary when the primary part experiences supply constraints, extended lead times, or when design flexibility permits component sourcing from alternative manufacturers while maintaining electrical and mechanical compatibility.

Substiute Parts

ERJ-S1DF7872U

Panasonic Electronic ComponentsIn Stock: 1087ERJ-S1DF7872U Datasheet

Current PartRFQ

ERJ-12SF7872U

Panasonic Electronic ComponentsIn Stock: 1170ERJ-12SF7872U Datasheet

SimilarRFQ

RMCF2010FT78K7

Stackpole Electronics IncIn Stock: 4136RMCF2010FT78K7 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the ERJ-S1DF7872U is determined by strict equivalence across the following parameters:

• Resistance value: 78.7 kOhms
• Tolerance: ±1%
• Power rating: 0.75W
• Package: 2010 (5025 Metric)
• Composition: Thick Film
• Temperature coefficient: ±100ppm/°C
• Operating temperature range: -55°C ~ 155°C
• AEC-Q200 automotive qualification
• RoHS3 compliance
• MSL rating: 1 (Unlimited)

All identified substitute parts meet these criteria. Differences in product status, manufacturer, and series designation do not affect electrical or mechanical compatibility.

Parameter Comparison

Engineering Selection Recommendations

Primary Selection: ERJ-S1DF7872U remains the preferred choice for new designs. This part carries active product status, includes anti-sulfur coating, and maintains full AEC-Q200 automotive qualification with unlimited moisture sensitivity rating.

Secondary Selection: RMCF2010FT78K7 (Stackpole Electronics Inc) is a direct functional equivalent with active product status. This part offers the highest current inventory level (4107 units) and is suitable for applications where supply continuity is a priority.

Tertiary Selection: ERJ-12SF7872U (Panasonic) meets all electrical and mechanical specifications but carries "Not For New Designs" status. This part is suitable only for legacy system maintenance or replacement applications where the original part number must be maintained.

Frequently Asked Questions (FAQ)

Q: Can ERJ-12SF7872U be used in new product designs? A: No. This part carries "Not For New Designs" status and should be reserved for legacy system support only. Use ERJ-S1DF7872U or RMCF2010FT78K7 for new designs.

Q: Are all three parts mechanically interchangeable? A: Yes. All parts share identical package dimensions (2010 / 5025 Metric), footprint, and mounting requirements. No PCB layout modifications are required for substitution.

Q: What is the significance of the anti-sulfur feature on ERJ-S1DF7872U? A: The anti-sulfur coating provides enhanced reliability in environments with sulfur-containing contaminants. This feature is present on the primary part but not explicitly listed for the substitute parts. Verify environmental requirements before substitution.

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

Q: Are there differences in temperature coefficient performance? A: No. All parts specify ±100ppm/°C temperature coefficient and operate across the identical temperature range of -55°C to 155°C.

Q: What is the moisture sensitivity implication? A: MSL 1 (Unlimited) indicates these parts have no moisture sensitivity restrictions. Standard storage and handling procedures apply without special desiccant or baking requirements.