RGC0805FTC3K74 Equivalent & Substitute Parts

Part Overview

The RGC0805FTC3K74 is a 3.74 kOhms ±1% thick film chip resistor in 0805 (2012 Metric) package manufactured by Stackpole Electronics Inc. This component is rated for 0.125W (1/8W) power dissipation with an operating temperature range of -55°C to 155°C. The part is ROHS3 compliant and carries MSL Level 1 (Unlimited) moisture sensitivity rating. As an active product with 717 units in stock, substitute parts may be required for design optimization, supply chain flexibility, or performance enhancement in specific applications.

Substiute Parts

RGC0805FTC3K74

Stackpole Electronics IncIn Stock: 767RGC0805FTC3K74 Datasheet

Current PartRFQ

ERJ-PB6B3741V

Panasonic Electronic ComponentsIn Stock: 5582ERJ-PB6B3741V Datasheet

UpgradeRFQ

ERJ-PB6D3741V

Panasonic Electronic ComponentsIn Stock: 4260ERJ-PB6D3741V Datasheet

UpgradeRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution for the RGC0805FTC3K74 is determined by strict equivalence in the following parameters:

• Resistance value: 3.74 kOhms (exact match required)
• Package type: 0805 (2012 Metric) form factor
• Composition: Thick film construction
• Temperature coefficient: ±50ppm/°C
• Operating temperature range: -55°C to 155°C minimum
• RoHS compliance: ROHS3 Compliant

The substitute parts identified (ERJ-PB6B3741V and ERJ-PB6D3741V) meet all core electrical and mechanical compatibility requirements. Both are manufactured by Panasonic Electronic Components and maintain identical package dimensions and thermal characteristics. Differences in tolerance (±0.1% and ±0.5% respectively versus ±1%) and power rating (0.25W versus 0.125W) represent performance enhancements rather than compatibility limitations.

Parameter Comparison

Engineering Selection Recommendations

Both ERJ-PB6B3741V and ERJ-PB6D3741V are suitable substitutes for the RGC0805FTC3K74 based on electrical and mechanical compatibility. Selection between alternatives depends on application requirements:

ERJ-PB6B3741V offers the tightest tolerance specification at ±0.1%, providing superior resistance accuracy for precision circuit applications. This part carries AEC-Q200 automotive qualification and pulse withstanding capability.

ERJ-PB6D3741V provides ±0.5% tolerance with equivalent AEC-Q200 automotive qualification and pulse withstanding features. This option balances tolerance performance with cost considerations.

Both substitute parts feature doubled power rating (0.25W versus 0.125W), enabling operation in higher dissipation environments while maintaining identical package footprint. The maximum seated height increases from 0.024" to 0.028", which must be verified against PCB layout constraints in space-critical applications.

All three parts maintain ROHS3 compliance, MSL Level 1 rating, and identical thermal operating range, ensuring regulatory and environmental compatibility.

Frequently Asked Questions (FAQ)

Q: Can ERJ-PB6B3741V and ERJ-PB6D3741V be used interchangeably with RGC0805FTC3K74?

A: Yes, both parts are mechanically and electrically compatible. All three components share identical resistance value (3.74 kOhms), package type (0805), composition (thick film), temperature coefficient (±50ppm/°C), and operating temperature range (-55°C to 155°C). Physical footprint compatibility is confirmed by matching length and width dimensions (2.00mm x 1.25mm).

Q: What is the impact of the height difference between the main part and substitutes?

A: The main part RGC0805FTC3K74 has a maximum seated height of 0.024" (0.60mm), while both Panasonic substitutes measure 0.028" (0.70mm) maximum. This 0.004" (0.10mm) difference must be evaluated against PCB design clearances, particularly in applications with height-constrained assembly or stacked component configurations.

Q: How do tolerance differences affect circuit performance?

A: The RGC0805FTC3K74 carries ±1% tolerance, while ERJ-PB6B3741V offers ±0.1% and ERJ-PB6D3741V offers ±0.5%. Tighter tolerance specifications reduce resistance value variation across production batches, benefiting precision analog circuits, filter networks, and reference dividers. Standard ±1% tolerance is sufficient for general-purpose applications where component matching is not critical.

Q: Are the substitute parts suitable for automotive applications?

A: Both Panasonic substitutes (ERJ-PB6B3741V and ERJ-PB6D3741V) carry AEC-Q200 automotive qualification and pulse withstanding capability. The original RGC0805FTC3K74 does not specify automotive qualification. If automotive-grade components are required, the Panasonic substitutes provide this additional certification.

Q: What is the significance of the doubled power rating in substitute parts?

A: The substitute parts are rated for 0.25W (1/4W) compared to the original 0.125W (1/8W). This higher power rating allows operation in circuits with greater power dissipation without thermal stress. The increased rating does not affect compatibility in applications requiring only 0.125W or less; it simply provides additional thermal margin.

Q: Are all three parts RoHS compliant?

A: Yes, all three components (RGC0805FTC3K74, ERJ-PB6B3741V, and ERJ-PB6D3741V) are ROHS3 compliant and carry MSL Level 1 (Unlimited) moisture sensitivity rating, ensuring regulatory compliance and simplified storage requirements.