CDV19FF391JO3 Equivalent & Substitute Parts

Part Overview

The CDV19FF391JO3 is a 390 pF mica capacitor rated for 1 kV, manufactured by Cornell Dubilier Electronics (CDE) in the CDV19 series. This through-hole radial component is designed for general-purpose applications requiring high voltage performance and stable capacitance across the operating temperature range of -55°C to 125°C. The part is currently active in production. Identification of equivalent substitute parts is necessary to ensure supply chain continuity, optimize inventory management, and address specific compliance requirements for end-use applications.

Substiute Parts

CDV19FF391JO3

Cornell Dubilier Electronics (CDE)In Stock: 757CDV19FF391JO3 Datasheet

Current PartRFQ

CDV19FF391JO3F

Cornell Dubilier Electronics (CDE)In Stock: 939CDV19FF391JO3F Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the CDV19FF391JO3 is determined by strict equivalence across the following critical parameters:

• Capacitance Value: 390 pF (exact match required)
• Tolerance: ±5% (exact match required)
• Voltage Rating: 1 kV (exact match required)
• Dielectric Material: Mica (exact match required)
• Mounting Type: Through Hole Radial (exact match required)
• Lead Spacing: 0.343" (8.70 mm) (exact match required)
• Physical Dimensions: 0.650" L x 0.201" W, Height 0.512" max (exact match required)
• Operating Temperature Range: -55°C to 125°C (exact match required)

The substitute part CDV19FF391JO3F meets all electrical and mechanical parameters identically to the primary part. The substitution is valid based on complete parameter alignment within the CDV19 series from Cornell Dubilier Electronics.

Parameter Comparison

Engineering Selection Recommendations

CDV19FF391JO3F is the direct equivalent substitute for CDV19FF391JO3. Both parts are active products from Cornell Dubilier Electronics with identical electrical and mechanical specifications.

Compliance Considerations:

The primary part CDV19FF391JO3 is RoHS non-compliant and REACH Affected. The substitute part CDV19FF391JO3F is RoHS3 Compliant and REACH Unaffected. Selection between these parts should be based on the specific compliance requirements of the end application and regulatory jurisdiction.

Both parts carry the same ECCN (EAR99) and HTSUS (8532.29.0020) classifications, indicating equivalent export control and tariff treatment.

Inventory Availability:

CDV19FF391JO3: 719 pcs in stock CDV19FF391JO3F: 874 pcs in stock

Frequently Asked Questions (FAQ)

Q: Can CDV19FF391JO3F be used as a direct replacement for CDV19FF391JO3?

A: Yes. CDV19FF391JO3F is a direct equivalent substitute. All electrical parameters (390 pF, ±5%, 1 kV), dielectric material (mica), operating temperature range (-55°C to 125°C), and mechanical specifications (radial through-hole, lead spacing 0.343", physical dimensions) are identical.

Q: What is the difference between CDV19FF391JO3 and CDV19FF391JO3F?

A: The parts are electrically and mechanically identical. The primary difference is in compliance status: CDV19FF391JO3F is RoHS3 Compliant and REACH Unaffected, while CDV19FF391JO3 is RoHS non-compliant and REACH Affected. Selection depends on application compliance requirements.

Q: Are these parts interchangeable on a PCB?

A: Yes. Both parts have identical lead spacing (0.343" / 8.70 mm), physical dimensions (0.650" L x 0.201" W), and radial through-hole mounting configuration. No PCB layout modifications are required for substitution.

Q: What applications are these mica capacitors suitable for?

A: These 390 pF, 1 kV mica capacitors are general-purpose components rated for high-voltage applications across the -55°C to 125°C temperature range. Specific application suitability must be determined by circuit design requirements.

Q: Is there a difference in lead spacing or package dimensions between the two parts?

A: No. Both CDV19FF391JO3 and CDV19FF391JO3F have identical lead spacing of 0.343" (8.70 mm) and identical physical dimensions of 0.650" L x 0.201" W (16.50 mm x 5.10 mm), with maximum seated height of 0.512" (13.00 mm).