RT1206FRE0745K3L Equivalent & Substitute Parts

Part Overview

The RT1206FRE0745K3L is a 45.3 kOhms ±1% thin film chip resistor in 1206 (3216 Metric) package manufactured by YAGEO. This component is actively produced and widely used in general-purpose electronic applications requiring precision resistive elements. Substitute parts are identified to address inventory availability, enhanced performance specifications, or specific application requirements such as automotive compliance.

Substiute Parts

RT1206FRE0745K3L

YAGEOIn Stock: 1061RT1206FRE0745K3L Datasheet

Current PartRFQ

ERA-8AEB4532V

Panasonic Electronic ComponentsIn Stock: 15467ERA-8AEB4532V Datasheet

UpgradeRFQ

RNCF1206BKC45K3

Stackpole Electronics IncIn Stock: 814RNCF1206BKC45K3 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the RT1206FRE0745K3L is determined by the following core parameters:

• Resistance Value: Must be 45.3 kOhms
• Package Type: Must be 1206 (3216 Metric)
• Composition: Must be Thin Film
• Operating Temperature Range: Must support -55°C to 155°C minimum
• RoHS Compliance: Must maintain ROHS3 Compliant status
• Moisture Sensitivity: Must be MSL 1 or equivalent

The identified substitute parts meet these core requirements. Variations in tolerance, power rating, temperature coefficient, and automotive certifications represent enhanced or alternative specifications suitable for specific application contexts.

Parameter Comparison

Engineering Selection Recommendations

RT1206FRE0745K3L (YAGEO): Select for general-purpose applications where standard tolerance (±1%) and baseline specifications are acceptable. Active product status ensures continued availability.

ERA-8AEB4532V (Panasonic): Select for applications requiring enhanced tolerance (±0.1%) and lower temperature coefficient (±25ppm/°C). AEC-Q200 automotive qualification supports use in automotive and high-reliability environments. Suitable as an upgrade path for improved performance.

RNCF1206BKC45K3 (Stackpole): Select for applications requiring increased power dissipation capability (0.333W vs. 0.25W). AEC-Q200 automotive qualification and manufacturer-recommended status support automotive and industrial applications with higher thermal demands.

Frequently Asked Questions (FAQ)

Q: Can ERA-8AEB4532V replace RT1206FRE0745K3L directly?

A: Yes. Both components share identical resistance value (45.3 kOhms), package type (1206), composition (thin film), and operating temperature range (-55°C to 155°C). ERA-8AEB4532V offers improved tolerance (±0.1% vs. ±1%) and lower temperature coefficient (±25ppm/°C vs. ±50ppm/°C), making it a direct functional upgrade.

Q: Can RNCF1206BKC45K3 replace RT1206FRE0745K3L directly?

A: Yes. Both components share identical resistance value (45.3 kOhms), package type (1206), composition (thin film), and operating temperature range (-55°C to 155°C). RNCF1206BKC45K3 provides higher power rating (0.333W vs. 0.25W) and improved tolerance (±0.1% vs. ±1%), suitable for applications with increased thermal requirements.

Q: What is the significance of AEC-Q200 certification?

A: AEC-Q200 certification indicates the component meets automotive industry reliability and quality standards. This qualification is relevant for automotive applications, industrial environments, and high-reliability systems. Non-automotive applications are not affected by this certification.

Q: Are all three parts physically interchangeable?

A: All three parts use the 1206 (3216 Metric) package. Physical dimensions vary slightly: RT1206FRE0745K3L (3.10mm × 1.60mm), ERA-8AEB4532V (3.20mm × 1.60mm), and RNCF1206BKC45K3 (3.05mm × 1.55mm). These variations are within standard PCB design tolerances and do not prevent interchangeability in typical applications.

Q: Which substitute offers the best tolerance specification?

A: Both ERA-8AEB4532V and RNCF1206BKC45K3 offer ±0.1% tolerance, compared to the original RT1206FRE0745K3L at ±1%. Selection between these two depends on power dissipation requirements: ERA-8AEB4532V for standard power (0.25W) and RNCF1206BKC45K3 for higher power (0.333W).

Q: Are all parts RoHS compliant?

A: Yes. All three components are ROHS3 Compliant and carry MSL 1 (Unlimited) moisture sensitivity rating, meeting environmental and regulatory requirements for commercial and industrial applications.