MR065C474KAATR1 Equivalent & Substitute Parts

Part Overview

The MR065C474KAATR1 is a 0.47 µF ceramic capacitor rated at 50V with X7R temperature coefficient, manufactured by KYOCERA AVX in the Ceralam® MR series. This through-hole radial component is designed for general-purpose applications and is currently in active production status with 754 units in stock.

Substitute parts become necessary when the original component reaches end-of-life status, when supply constraints occur, or when design requirements shift toward military-grade specifications with enhanced reliability ratings. The substitute parts listed maintain electrical equivalence while offering alternative sourcing options and, in some cases, higher reliability classifications suitable for demanding applications.

Substiute Parts

MR065C474KAATR1

KYOCERA AVXIn Stock: 830MR065C474KAATR1 Datasheet

Current PartRFQ

M39014/02-1320

KEMETIn Stock: 1026M39014/02-1320 Datasheet

DirectRFQ

M39014/02-1320V

KYOCERA AVXIn Stock: 726M39014/02-1320V Datasheet

DirectRFQ

M39014/02-1360

KEMETIn Stock: 567253M39014/02-1360 Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the MR065C474KAATR1 is determined by the following electrical and mechanical parameters:

• Capacitance Value: Must be 0.47 µF
• Tolerance: Must be ±10%
• Voltage Rating: Must be 50V or higher
• Operating Temperature Range: Must support -55°C ~ 125°C
• Mounting Configuration: Must be through-hole radial
• Lead Spacing: Must be 0.200" (5.08mm)
• Physical Footprint: Must accommodate 0.290" L x 0.090" W dimensions

All three substitute parts meet these criteria. The primary distinction among substitutes lies in their temperature coefficient classification (BX versus X7R) and their reliability ratings. The M39014/02-1320 and M39014/02-1360 are military-specification components conforming to MIL-PRF-39014, offering higher reliability classifications (R and S failure rates respectively) compared to the general-purpose X7R classification of the main part.

Parameter Comparison

Engineering Selection Recommendations

For General-Purpose Applications: The MR065C474KAATR1 remains the primary choice when X7R temperature coefficient stability is required and general-purpose reliability is acceptable. All substitute parts are electrically compatible but introduce military-specification characteristics that may exceed application requirements.

For High-Reliability Applications: The M39014/02-1320 and M39014/02-1360 are suitable substitutes when MIL-PRF-39014 compliance is mandated. The M39014/02-1360 offers superior reliability with an S-class failure rate (0.001%) compared to the R-class rating (0.01%) of the M39014/02-1320, making it appropriate for mission-critical systems.

For Sourcing Flexibility: The M39014/02-1320V, manufactured by KYOCERA AVX, provides continuity with the original manufacturer while offering military-specification performance. This option is suitable when maintaining supplier relationships is a design consideration.

Physical Clearance Consideration: Substitute parts have a maximum seated height of 0.300" (7.62mm) compared to the main part's 0.290" (7.36mm). Verify PCB layout clearance before substitution in space-constrained designs.

Frequently Asked Questions (FAQ)

Q: Can M39014/02-1320 directly replace MR065C474KAATR1 in existing designs?

A: Yes, from an electrical and mechanical standpoint. Both components share identical capacitance (0.47 µF), tolerance (±10%), voltage rating (50V), operating temperature range (-55°C ~ 125°C), lead spacing (0.200"), and radial through-hole mounting configuration. The primary difference is the temperature coefficient classification (BX versus X7R) and the military specification compliance of the substitute. Verify that the 0.010" additional seated height (0.300" versus 0.290") does not conflict with PCB layout constraints.

Q: What is the difference between BX and X7R temperature coefficients?

A: Both temperature coefficients support the -55°C ~ 125°C operating range specified for these components. The distinction lies in their capacitance stability characteristics across the temperature range. X7R provides tighter capacitance tolerance over temperature, while BX is the military-specification equivalent. Selection depends on whether your circuit design requires the specific stability profile of X7R or whether BX performance is acceptable.

Q: Why do the substitute parts have higher failure rates specified?

A: The M39014/02-1320 and M39014/02-1360 are military-specification components with defined failure rates per MIL-PRF-39014. The R-class (0.01%) and S-class (0.001%) ratings indicate reliability levels suitable for defense and aerospace applications. The main part does not specify a failure rate because it is classified as a general-purpose commercial component. Lower failure rates indicate higher reliability for demanding applications.

Q: Are all substitute parts RoHS compliant?

A: No. All parts listed—the main component and all substitutes—are RoHS non-compliant. If RoHS compliance is required for your application, these components are not suitable, and alternative sourcing must be pursued.

Q: What is the inventory status for each part?

A: MR065C474KAATR1 has 754 units in stock. M39014/02-1320 has 999 units. M39014/02-1320V has 661 units. M39014/02-1360 has 567,183 units in stock. Availability should be confirmed with your supplier before design finalization.