ASC0603-100KF1 Equivalent & Substitute Parts

Part Overview

The ASC0603-100KF1 is a 100 kOhms ±1% 0.1W chip resistor in 0603 (1608 Metric) package manufactured by Riedon. This thick film resistor features anti-sulfur coating, automotive AEC-Q200 qualification, and moisture resistance, making it suitable for automotive and industrial applications requiring high reliability. The part is currently active in production with 9548 units in stock. Equivalent substitute parts are identified for applications requiring component interchangeability due to supply constraints, design flexibility, or regional availability.

Substiute Parts

ASC0603-100KF1

RiedonIn Stock: 9629ASC0603-100KF1 Datasheet

Current PartRFQ

AF0603FR-13100KL

YAGEOIn Stock: 1161AF0603FR-13100KL Datasheet

Parametric EquivalentRFQ

CR0603AFX-1003EAS

Bourns Inc.In Stock: 39036CR0603AFX-1003EAS Datasheet

Parametric EquivalentRFQ

RK73H1JRTTD1003F

KOA Speer Electronics, Inc.In Stock: 27260RK73H1JRTTD1003F Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the ASC0603-100KF1 are classified as parametric equivalents based on strict alignment with the following critical parameters:

• Resistance value: 100 kOhms
• Tolerance: ±1%
• Power rating: 0.1W (1/10W)
• Package: 0603 (1608 Metric)
• Composition: Thick Film
• Temperature coefficient: ±100ppm/°C
• Operating temperature range: -55°C ~ 155°C
• Automotive qualification: AEC-Q200
• Features: Anti-Sulfur, Moisture Resistant
• Moisture sensitivity level: 1 (Unlimited)
• RoHS compliance: ROHS3 Compliant

All substitute parts listed meet these specifications identically. Substitution is valid for direct component replacement in PCB designs without circuit modification or re-qualification requirements.

Parameter Comparison

Engineering Selection Recommendations

All listed substitute parts are active products with full automotive AEC-Q200 qualification and ROHS3 compliance (where specified). Selection among these equivalents should be based on:

• Availability and inventory levels at the time of procurement
• Supplier lead times and logistics requirements
• Regional sourcing preferences
• Existing supply chain relationships with manufacturers

The CR0603AFX-1003EAS (Bourns Inc.) offers the highest current inventory at 38986 units. The RK73H1JRTTD1003F (KOA Speer Electronics, Inc.) provides 27213 units in stock. The AF0603FR-13100KL (YAGEO) has lower inventory at 1051 units. All parts maintain identical electrical and mechanical specifications, ensuring direct PCB-level interchangeability without design modification.

Frequently Asked Questions (FAQ)

Q: Can these substitute parts be used interchangeably on the same PCB?

A: Yes. All listed parts meet identical specifications for resistance, tolerance, power rating, package dimensions, temperature coefficient, operating temperature range, and automotive qualification. Direct substitution is valid without circuit redesign.

Q: Are there any differences in physical dimensions between the main part and substitutes?

A: No. All parts conform to the 0603 (1608 Metric) package standard with identical dimensions: 0.063" L x 0.031" W (1.60mm x 0.80mm) and maximum seated height of 0.022" (0.55mm).

Q: Do all substitute parts have the same moisture sensitivity rating?

A: Yes. All parts carry MSL 1 (Unlimited) rating, indicating no moisture sensitivity concerns for storage or handling.

Q: Are all substitute parts suitable for automotive applications?

A: Yes. All substitute parts carry AEC-Q200 automotive qualification and feature anti-sulfur coating and moisture resistance, meeting automotive reliability requirements.

Q: What is the difference between these parts if all parameters are identical?

A: The parts are functionally equivalent. Differences exist only in manufacturer identity, series designation, and current inventory levels. Selection is based on supply availability and procurement preferences.

Q: Can I mix these parts in a single production batch?

A: Yes. Since all parts are parametric equivalents with identical electrical and mechanical characteristics, mixing manufacturers in a single batch does not affect circuit performance or reliability.