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CD5EC680GO3 Equivalent & Substitute Parts
Part Overview
The CD5EC680GO3 is a 68 pF mica capacitor rated for 300 V operation in a radial through-hole package, manufactured by Cornell Dubilier Electronics (CDE). This component is classified as active and suitable for general-purpose applications requiring stable capacitance and high voltage performance. Mica dielectric capacitors are selected for applications demanding low loss, excellent frequency stability, and reliable operation across extended temperature ranges from -55°C to 125°C.
Identifying equivalent and substitute parts is necessary when the primary part number becomes unavailable, when inventory constraints require alternative sourcing, or when compliance requirements differ between manufacturing batches or procurement cycles.
Substiute Parts
Key Parameters
| Parameter | Value | Unit | Significance for Substitution |
|---|---|---|---|
| Capacitance | 68 | pF | Critical - must match exactly |
| Tolerance | ±2% | % | Critical - determines circuit accuracy |
| Voltage Rating | 300 | V | Critical - minimum acceptable rating |
| Dielectric Material | Mica | — | Critical - defines electrical characteristics |
| Mounting Type | Through Hole | — | Critical - determines PCB compatibility |
| Package / Case | Radial | — | Critical - physical form factor |
| Lead Spacing | 0.118" (3.00 mm) | inches / mm | Critical - PCB footprint compatibility |
| Operating Temperature Range | -55°C to 125°C | °C | Important - application environment |
| Size / Dimension | 0.272" L x 0.150" W (6.90 mm x 3.80 mm) | inches / mm | Important - physical space constraints |
| Height - Seated (Max) | 0.220" (5.60 mm) | inches / mm | Important - clearance requirements |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) | — | Important - storage and handling |
| Series | CD5 | — | Reference - product line identification |
Substitute Part Grouping Explanation
Substitution of the CD5EC680GO3 is determined by strict equivalence across all critical electrical and mechanical parameters. The substitute part must satisfy the following conditions:
Electrical Parameters (Non-negotiable):
- Capacitance value: 68 pF
- Tolerance: ±2%
- Voltage rating: 300 V (minimum)
- Dielectric material: Mica
Mechanical Parameters (Non-negotiable):
- Mounting type: Through Hole
- Package configuration: Radial
- Lead spacing: 0.118" (3.00 mm)
- Physical dimensions: 0.272" L x 0.150" W (6.90 mm x 3.80 mm)
- Maximum seated height: 0.220" (5.60 mm)
Environmental Parameters (Required):
- Operating temperature range: -55°C to 125°C
- Moisture sensitivity level: 1 (Unlimited)
Compliance Parameters (Noted for reference):
- Manufacturer: Cornell Dubilier Electronics (CDE)
- Series: CD5
- Product status: Active
Parts meeting all these criteria are classified as parametric equivalents and direct substitutes.
Parameter Comparison
| Parameter | CD5EC680GO3 | CD5EC680GO3F | Match |
|---|---|---|---|
| Manufacturer | Cornell Dubilier Electronics (CDE) | Cornell Dubilier Electronics (CDE) | ✓ |
| Series | CD5 | CD5 | ✓ |
| Capacitance | 68 pF | 68 pF | ✓ |
| Tolerance | ±2% | ±2% | ✓ |
| Voltage - Rated | 300 V | 300 V | ✓ |
| Dielectric Material | Mica | Mica | ✓ |
| Operating Temperature | -55°C ~ 125°C | -55°C ~ 125°C | ✓ |
| Mounting Type | Through Hole | Through Hole | ✓ |
| Package / Case | Radial | Radial | ✓ |
| Lead Spacing | 0.118" (3.00 mm) | 0.118" (3.00 mm) | ✓ |
| Size / Dimension | 0.272" L x 0.150" W (6.90 mm x 3.80 mm) | 0.272" L x 0.150" W (6.90 mm x 3.80 mm) | ✓ |
| Height - Seated (Max) | 0.220" (5.60 mm) | 0.220" (5.60 mm) | ✓ |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) | 1 (Unlimited) | ✓ |
| Product Status | Active | Active | ✓ |
| RoHS Status | RoHS non-compliant | ROHS3 Compliant | Differs |
| REACH Status | REACH Affected | REACH Unaffected | Differs |
Engineering Selection Recommendations
The CD5EC680GO3F is a parametric equivalent to the CD5EC680GO3 across all critical electrical and mechanical specifications. Both parts are manufactured by Cornell Dubilier Electronics within the CD5 series and maintain identical capacitance, tolerance, voltage rating, dielectric material, mounting configuration, and physical dimensions.
Compliance Considerations:
The primary distinction between these parts lies in regulatory compliance status. The CD5EC680GO3F carries ROHS3 compliance certification, whereas the CD5EC680GO3 is classified as RoHS non-compliant. Additionally, the CD5EC680GO3F is REACH Unaffected, while the CD5EC680GO3 is REACH Affected.
For applications subject to RoHS3 or REACH regulatory requirements, the CD5EC680GO3F is the appropriate selection. For applications without such constraints, either part satisfies the functional and electrical requirements identically.
Both parts are active products with confirmed inventory availability, supporting continued procurement and design implementation.
Frequently Asked Questions (FAQ)
Q: Can CD5EC680GO3F replace CD5EC680GO3 in existing designs?
A: Yes. The CD5EC680GO3F is electrically and mechanically equivalent. All critical parameters—capacitance, tolerance, voltage rating, dielectric material, mounting type, package configuration, lead spacing, and physical dimensions—are identical. Direct substitution is supported without circuit redesign or PCB modification.
Q: What is the difference between these two part numbers?
A: The functional and electrical specifications are identical. The CD5EC680GO3F differs in regulatory compliance status: it is ROHS3 compliant and REACH Unaffected, whereas the CD5EC680GO3 is RoHS non-compliant and REACH Affected. Selection depends on applicable regulatory requirements for the end application.
Q: Are the physical dimensions and PCB footprints identical?
A: Yes. Both parts share identical dimensions (0.272" L x 0.150" W / 6.90 mm x 3.80 mm), maximum seated height (0.220" / 5.60 mm), and lead spacing (0.118" / 3.00 mm). PCB footprints are interchangeable without modification.
Q: What is the moisture sensitivity level for these capacitors?
A: Both parts carry MSL 1 (Unlimited), indicating no moisture sensitivity restrictions. Standard storage and handling procedures apply without special environmental controls.
Q: Can these parts be used in high-temperature applications?
A: Yes. Both parts are rated for continuous operation across -55°C to 125°C, supporting applications requiring extended temperature performance. Mica dielectric construction provides stable capacitance across this range.
Q: Are both parts currently available for procurement?
A: Yes. The CD5EC680GO3 has 699 pieces in stock, and the CD5EC680GO3F has 1035 pieces in stock, both listed as new original inventory.
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