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CD16FD331JO3 Equivalent & Substitute Parts
Part Overview
The CD16FD331JO3 is a 330 pF mica capacitor rated for 500 V operation, manufactured by Cornell Dubilier Electronics (CDE) in the CD16 series. This through-hole radial component is designed for RF applications requiring high Q and low loss characteristics. The part is currently active in production with 704 units in stock.
Identification of substitute parts becomes necessary when the primary part number reaches end-of-life status, experiences supply constraints, or when design requirements mandate compliance with specific regulatory standards such as RoHS3 certification.
Substiute Parts
Key Parameters
| Parameter | Value | Unit |
|---|---|---|
| Capacitance | 330 | pF |
| Tolerance | ±5% | — |
| Voltage - Rated | 500 | V |
| Dielectric Material | Mica | — |
| Operating Temperature Range | -55°C to 125°C | — |
| Mounting Type | Through Hole | — |
| Package / Case | Radial | — |
| Lead Spacing | 0.234" | (5.94 mm) |
| Features | RF, High Q, Low Loss | — |
Substitute Part Grouping Explanation
Substitution eligibility for the CD16FD331JO3 is determined by strict equivalence across the following parameters:
- Capacitance Value: 330 pF (exact match required)
- Tolerance: ±5% (exact match required)
- Voltage Rating: 500 V (exact match required)
- Dielectric Type: Mica (exact match required)
- Operating Temperature Range: -55°C to 125°C (exact match required)
- Mounting Configuration: Through Hole Radial (exact match required)
- Lead Spacing: 0.234" / 5.94 mm (exact match required)
- Physical Dimensions: 0.449" L × 0.161" W / 11.40 mm × 4.10 mm (exact match required)
The CD16FD331JO3F qualifies as a parametric equivalent because it maintains identical electrical and mechanical specifications across all critical parameters. The primary distinction lies in regulatory compliance status.
Parameter Comparison
| Parameter | CD16FD331JO3 | CD16FD331JO3F | Match |
|---|---|---|---|
| Manufacturer | Cornell Dubilier Electronics (CDE) | Cornell Dubilier Electronics (CDE) | Yes |
| Series | CD16 | CD16 | Yes |
| Capacitance | 330 pF | 330 pF | Yes |
| Tolerance | ±5% | ±5% | Yes |
| Voltage - Rated | 500 V | 500 V | Yes |
| Dielectric Material | Mica | Mica | Yes |
| Operating Temperature | -55°C to 125°C | -55°C to 125°C | Yes |
| Mounting Type | Through Hole | Through Hole | Yes |
| Package / Case | Radial | Radial | Yes |
| Lead Spacing | 0.234" (5.94 mm) | 0.234" (5.94 mm) | Yes |
| Size / Dimension | 0.449" L × 0.161" W (11.40 mm × 4.10 mm) | 0.449" L × 0.161" W (11.40 mm × 4.10 mm) | Yes |
| Height - Seated (Max) | 0.469" (11.90 mm) | 0.469" (11.90 mm) | Yes |
| Features | RF, High Q, Low Loss | RF, High Q, Low Loss | Yes |
| Product Status | Active | Active | Yes |
| RoHS Status | RoHS non-compliant | RoHS3 Compliant | No |
| REACH Status | REACH Affected | REACH Unaffected | No |
| Inventory | 704 Pcs | 808 Pcs | — |
Engineering Selection Recommendations
CD16FD331JO3 is suitable for applications where RoHS non-compliance is acceptable and REACH-affected material usage is permitted. This part maintains full electrical and mechanical compatibility with existing designs.
CD16FD331JO3F is the appropriate selection for designs requiring RoHS3 compliance and REACH-unaffected status. This variant is functionally identical to the CD16FD331JO3 across all electrical and mechanical parameters, making it a direct drop-in replacement for new designs or redesigns targeting regulatory compliance.
Both parts are active products with adequate inventory availability. Selection between them depends solely on regulatory and compliance requirements applicable to the end application.
Frequently Asked Questions (FAQ)
Q: Can CD16FD331JO3F replace CD16FD331JO3 in existing designs?
A: Yes. The CD16FD331JO3F is electrically and mechanically identical to the CD16FD331JO3. Both parts share identical capacitance (330 pF), tolerance (±5%), voltage rating (500 V), dielectric material (mica), operating temperature range (-55°C to 125°C), mounting type (through hole radial), lead spacing (0.234" / 5.94 mm), and physical dimensions. Direct substitution is possible without circuit modification.
Q: What is the primary difference between these two part numbers?
A: The CD16FD331JO3F is RoHS3 compliant and REACH unaffected, while the CD16FD331JO3 is RoHS non-compliant and REACH affected. All other specifications are identical.
Q: Are the physical dimensions and lead spacing identical?
A: Yes. Both parts have identical dimensions of 0.449" L × 0.161" W (11.40 mm × 4.10 mm), lead spacing of 0.234" (5.94 mm), and maximum seated height of 0.469" (11.90 mm). PCB layout and mechanical fit are identical.
Q: Which part should be selected for new designs?
A: For new designs, CD16FD331JO3F is recommended due to RoHS3 compliance and REACH-unaffected status, ensuring alignment with current regulatory requirements. Both parts are active and in stock.
Q: Do these parts have the same RF performance characteristics?
A: Yes. Both parts feature identical RF, high Q, and low loss characteristics. Performance in RF applications is equivalent.
Q: What is the moisture sensitivity level for both parts?
A: Both parts have MSL 1 (Unlimited), indicating no moisture sensitivity restrictions during storage or handling.
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