M39006/22-0439 Equivalent & Substitute Parts

Part Overview

The M39006/22-0439 is a 56 µF hermetically sealed tantalum capacitor rated for 125 V operation in axial through-hole configuration. Manufactured by Vishay Sprague under the military specification MIL-PRF-39006/22, this component is classified as Active product status with 674 units currently in stock. Substitute parts may be required due to inventory constraints, specific tolerance requirements, or failure rate specifications for particular application demands.

Substiute Parts

M39006/22-0439

Vishay SpragueIn Stock: 740M39006/22-0439 Datasheet

Current PartRFQ

M39006/22-0660

Vishay SpragueIn Stock: 1137M39006/22-0660 Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the M39006/22-0439 is permissible with the M39006/22-0660 based on the following alignment of critical parameters:

Matching Parameters (Substitution Basis):

• Capacitance: 56 µF (identical)
• Voltage Rating: 125 V (identical)
• Type: Hermetically Sealed Tantalum (identical)
• Mounting Type: Through Hole Axial (identical)
• Operating Temperature Range: -55°C to 125°C (identical)
• Package / Case: Axial (identical)
• Size / Dimension: 0.406" Dia x 1.126" L (10.31mm x 28.60mm) (identical)
• Manufacturer Size Code: T4 (identical)
• Series: Military, MIL-PRF-39006/22, CLR79 (identical)

Differing Parameters:

• Tolerance: ±20% (M39006/22-0439) vs. ±10% (M39006/22-0660)
• Failure Rate: P (0.1%) (M39006/22-0439) vs. R (0.01%) (M39006/22-0660)

The M39006/22-0660 provides tighter tolerance and improved reliability characteristics while maintaining full electrical and mechanical compatibility.

Parameter Comparison

Engineering Selection Recommendations

Both M39006/22-0439 and M39006/22-0660 maintain Active product status and identical military specification compliance under MIL-PRF-39006/22. Selection between these parts is determined by application-specific tolerance and reliability requirements:

• M39006/22-0439 is suitable for applications where ±20% capacitance tolerance is acceptable and standard failure rate specifications are sufficient.
• M39006/22-0660 is appropriate for applications requiring tighter ±10% capacitance tolerance and enhanced reliability with R-class failure rate (0.01%).

Both parts are RoHS non-compliant and REACH Affected, with identical export classification (EAR99) and tariff codes. Inventory availability is higher for M39006/22-0660 (1075 units vs. 674 units).

Frequently Asked Questions (FAQ)

Q: Can M39006/22-0660 directly replace M39006/22-0439 in existing designs?

A: Yes. Both parts share identical electrical ratings (56 µF, 125 V), mechanical dimensions (0.406" Dia x 1.126" L), and mounting configuration (through-hole axial). The M39006/22-0660 provides improved tolerance and failure rate specifications.

Q: What is the difference in tolerance between these parts?

A: M39006/22-0439 has ±20% capacitance tolerance, while M39006/22-0660 has ±10% tolerance. Applications requiring tighter capacitance accuracy should use M39006/22-0660.

Q: How do the failure rates differ?

A: M39006/22-0439 has P-class failure rate (0.1%), while M39006/22-0660 has R-class failure rate (0.01%). The M39006/22-0660 offers one order of magnitude better reliability.

Q: Are there any compliance or certification differences?

A: Both parts are RoHS non-compliant, REACH Affected, and classified as EAR99 for export control. Compliance status is identical between the two parts.

Q: What is the operating temperature range for both parts?

A: Both M39006/22-0439 and M39006/22-0660 operate across -55°C to 125°C.

Q: Are these parts available in different packaging options?

A: M39006/22-0439 is packaged in standard format, while M39006/22-0660 is available in Bulk packaging. Both use identical axial through-hole configuration.