CD10CD100DO3 Mica Capacitor - Equivalent & Substitute Parts

Part Overview

The CD10CD100DO3 is a 10 pF mica capacitor rated for 500 V with radial leads, manufactured by Cornell Dubilier Electronics (CDE) in the CD10 series. This component is classified as Active and currently in production. Mica capacitors with this specification are essential in high-reliability applications requiring stable capacitance values and excellent frequency response. Alternative manufacturers and series variants are documented to provide flexibility in sourcing and compliance requirements.

Key Parameters

Parameter	Value
Capacitance	10 pF
Tolerance	±0.5 pF
Voltage - Rated	500 V
Dielectric Material	Mica
Mounting Type	Through Hole
Package / Case	Radial
Lead Spacing	0.142" (3.60 mm)
Size / Dimension	0.358" L x 0.189" W (9.10 mm x 4.80 mm)
Height - Seated (Max)	0.331" (8.40 mm)
Operating Temperature Range	-55°C ~ 125°C

Substitute Part Grouping Explanation

Substitution of the CD10CD100DO3 is based strictly on the following critical electrical and mechanical parameters:

Capacitance Value: 10 pF (exact match required)
Tolerance: ±0.5 pF (exact match required)
Voltage Rating: 500 V (minimum requirement)
Dielectric Material: Mica (mandatory for application compatibility)
Mounting Type: Through Hole (PCB assembly compatibility)
Package Type: Radial (physical footprint compatibility)
Lead Spacing: 0.142" (3.60 mm) (board layout compatibility)
Physical Dimensions: 0.358" L x 0.189" W; Height 0.331" max (spatial clearance)
Operating Temperature Range: -55°C ~ 125°C (environmental compatibility)

All identified substitute parts match these critical parameters. Variants exist in RoHS and REACH compliance status, which may influence selection based on regulatory requirements of the end application.

Parameter Comparison

Parameter	CD10CD100DO3	CD10CD100DO3F	CM04CD100DO3
Manufacturer	Cornell Dubilier Electronics	Cornell Dubilier Electronics	Cornell Dubilier Electronics
Capacitance	10 pF	10 pF	10 pF
Tolerance	±0.5 pF	±0.5 pF	±0.5 pF
Voltage - Rated	500 V	500 V	500 V
Dielectric Material	Mica	Mica	Mica
Operating Temperature	-55°C ~ 125°C	-55°C ~ 125°C	-55°C ~ 125°C
Mounting Type	Through Hole	Through Hole	Through Hole
Package / Case	Radial	Radial	Radial
Lead Spacing	0.142" (3.60 mm)	0.142" (3.60 mm)	0.142" (3.60 mm)
Size / Dimension	0.358" L x 0.189" W	0.358" L x 0.189" W	0.358" L x 0.189" W
Height - Seated (Max)	0.331" (8.40 mm)	0.331" (8.40 mm)	0.331" (8.40 mm)
RoHS Status	RoHS non-compliant	ROHS3 Compliant	RoHS non-compliant
REACH Status	REACH Affected	REACH Unaffected	REACH Affected
Inventory Status	1009 Pcs	827 Pcs	1592 Pcs

Engineering Selection Recommendations

CD10CD100DO3: This is the primary part specification. It is Active in production status with 1009 units available. However, it is RoHS non-compliant and REACH Affected, which may restrict its use in certain regulatory environments.

CD10CD100DO3F: This variant is electrically and mechanically identical to the main part (CD10CD100DO3) but offers ROHS3 Compliance and REACH Unaffected status. Selection of this part is appropriate when RoHS3 and REACH compliance are mandatory requirements. Inventory availability is 827 units.

CM04CD100DO3: This part belongs to the CM04 series and provides complete electrical and mechanical equivalence. It is RoHS non-compliant and REACH Affected, matching the compliance profile of CD10CD100DO3. The CM04CD100DO3 offers the highest inventory availability at 1592 units. Moisture Sensitivity Level is specified as 1 (Unlimited) for this variant.

Selection between these parts should be determined by compliance requirements of the target application. All three parts are electrically and mechanically interchangeable for applications not subject to RoHS or REACH restrictions.

Frequently Asked Questions (FAQ)

Q: Can CD10CD100DO3F be used as a direct replacement for CD10CD100DO3?

A: Yes. Both parts are electrically and mechanically identical in all critical parameters: 10 pF capacitance, ±0.5 pF tolerance, 500 V rating, mica dielectric, radial through-hole mounting, and identical physical dimensions. The primary difference is compliance status. CD10CD100DO3F is ROHS3 Compliant and REACH Unaffected, while CD10CD100DO3 is non-compliant in both areas.

Q: What is the difference between the CD10 and CM04 series?

A: Both series provide the same electrical performance and physical characteristics for the 10 pF 500 V mica capacitor. The difference is the manufacturer series designation. The CM04CD100DO3 belongs to the CM04 series while CD10CD100DO3 and CD10CD100DO3F belong to the CD10 series. All parts are manufactured by Cornell Dubilier Electronics.

Q: Are there any physical footprint differences between these parts?

A: No. All three parts share identical dimensions: 0.358" L x 0.189" W with a maximum seated height of 0.331" (8.40 mm). Lead spacing is 0.142" (3.60 mm) for all variants. They are pin-compatible and occupy identical PCB space.

Q: Which part should I select for RoHS and REACH compliance?

A: CD10CD100DO3F is the only variant with ROHS3 Compliance and REACH Unaffected status. Select this part when your application is subject to RoHS or REACH regulations.

Q: Is Moisture Sensitivity Level important for these parts?

A: For CD10CD100DO3 and CD10CD100DO3F, Moisture Sensitivity Level is Not Applicable. The CM04CD100DO3 is rated as MSL 1 (Unlimited). This difference does not affect substitution compatibility for standard applications.

Q: What is the operating temperature range for all variants?

A: All three parts operate across -55°C to 125°C. This full military-grade temperature range is consistent across all substitutes.

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