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TAP685K016DTS Equivalent & Substitute Parts
Part Overview
The TAP685K016DTS is a 6.8 µF conformal coated tantalum capacitor rated at 16 V with radial through-hole mounting. Manufactured by KYOCERA AVX under the TAP series, this component is classified as Active product status and is designed for general-purpose applications requiring reliable energy storage in compact form factors.
Substitute parts become necessary when the original packaging configuration (Tape & Box) is unavailable, when inventory constraints require alternative sourcing, or when design flexibility permits equivalent electrical and mechanical specifications. The substitute identified maintains identical electrical performance and physical dimensions while offering different packaging options.
Substiute Parts
Key Parameters
| Parameter | Value | Specification Basis |
|---|---|---|
| Capacitance | 6.8 µF | Primary electrical characteristic |
| Tolerance | ±10% | Acceptable capacitance deviation |
| Voltage Rating | 16 V | Maximum operating voltage |
| Type | Conformal Coated | Environmental protection classification |
| ESR | 4 Ohm | Equivalent series resistance |
| Operating Temperature Range | -55°C to 125°C | Thermal operating limits |
| Lifetime @ Temperature | 1000 Hrs @ 85°C | Reliability specification |
| Mounting Type | Through Hole | PCB assembly method |
| Package / Case | Radial | Physical form factor |
| Size / Dimension | 0.197" Dia (5.00mm) | Component diameter |
| Height - Seated (Max) | 0.335" (8.50mm) | Maximum vertical clearance |
| Lead Spacing | 0.098" (2.50mm) | Pin-to-pin distance |
| Manufacturer Size Code | C | KYOCERA AVX classification |
| RoHS Status | ROHS3 Compliant | Environmental compliance |
| REACH Status | REACH Unaffected | Chemical substance compliance |
Substitute Part Grouping Explanation
Substitution eligibility for the TAP685K016DTS is determined by strict equivalence across all critical electrical and mechanical parameters. The substitute part TAP685K016SCS qualifies as a direct equivalent based on the following criteria:
Electrical Parameter Equivalence:
- Identical capacitance value: 6.8 µF
- Identical tolerance: ±10%
- Identical voltage rating: 16 V
- Identical ESR: 4 Ohm
- Identical operating temperature range: -55°C to 125°C
- Identical lifetime specification: 1000 Hrs @ 85°C
Mechanical Parameter Equivalence:
- Identical mounting type: Through Hole
- Identical package form: Radial
- Identical diameter: 0.197" (5.00mm)
- Identical maximum height: 0.335" (8.50mm)
- Identical lead spacing: 0.098" (2.50mm)
- Identical manufacturer size code: C
Compliance Equivalence:
- Identical RoHS status: ROHS3 Compliant
- Identical REACH status: REACH Unaffected
- Identical conformal coating type
The only difference between these parts is the packaging configuration: TAP685K016DTS is supplied in Tape & Box format, while TAP685K016SCS is supplied in Bulk packaging. This distinction affects logistics and handling but does not alter component performance or PCB integration.
Parameter Comparison
| Parameter | TAP685K016DTS (Main) | TAP685K016SCS (Substitute) | Match Status |
|---|---|---|---|
| Manufacturer | KYOCERA AVX | KYOCERA AVX | Identical |
| Series | TAP | TAP | Identical |
| Capacitance | 6.8 µF | 6.8 µF | Identical |
| Tolerance | ±10% | ±10% | Identical |
| Voltage Rating | 16 V | 16 V | Identical |
| Type | Conformal Coated | Conformal Coated | Identical |
| ESR | 4 Ohm | 4 Ohm | Identical |
| Operating Temperature | -55°C to 125°C | -55°C to 125°C | Identical |
| Lifetime @ 85°C | 1000 Hrs | 1000 Hrs | Identical |
| Mounting Type | Through Hole | Through Hole | Identical |
| Package / Case | Radial | Radial | Identical |
| Diameter | 0.197" (5.00mm) | 0.197" (5.00mm) | Identical |
| Height - Seated (Max) | 0.335" (8.50mm) | 0.335" (8.50mm) | Identical |
| Lead Spacing | 0.098" (2.50mm) | 0.098" (2.50mm) | Identical |
| Manufacturer Size Code | C | C | Identical |
| Product Status | Active | Active | Identical |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant | Identical |
| REACH Status | REACH Unaffected | REACH Unaffected | Identical |
| Packaging Format | Tape & Box (TB) | Bulk | Different |
| Inventory Availability | 770 Pcs | 11643 Pcs | Different |
Engineering Selection Recommendations
Both TAP685K016DTS and TAP685K016SCS are Active product status components manufactured by KYOCERA AVX and maintain full compliance with ROHS3 and REACH regulations. Selection between these parts should be based on procurement and assembly requirements rather than electrical or mechanical performance considerations.
TAP685K016DTS (Tape & Box Packaging) is appropriate for automated pick-and-place assembly operations where tape-and-reel format provides optimal feeder compatibility and component handling efficiency.
TAP685K016SCS (Bulk Packaging) is appropriate for manual assembly operations, prototype builds, or applications where bulk quantities provide cost advantages and inventory flexibility. The significantly higher inventory availability (11643 Pcs versus 770 Pcs) may provide supply chain advantages for high-volume production requirements.
Both parts deliver identical electrical performance, thermal characteristics, and environmental protection through conformal coating. PCB layout, schematic design, and thermal management considerations remain unchanged regardless of which part is selected.
Frequently Asked Questions (FAQ)
Q: Can TAP685K016SCS be used as a direct replacement for TAP685K016DTS in production assembly?
A: Yes. Both parts are electrically and mechanically identical. The only difference is packaging format (Bulk versus Tape & Box). If your assembly process accommodates bulk component handling, TAP685K016SCS provides a direct functional substitute.
Q: Are there any performance differences between these two parts?
A: No. Capacitance, tolerance, voltage rating, ESR, operating temperature range, lifetime specification, physical dimensions, and lead spacing are identical. Both parts are conformal coated and manufactured to the same specifications.
Q: Does the packaging format affect PCB soldering or component reliability?
A: No. Packaging format affects only component delivery and handling logistics. Once soldered to the PCB, both parts perform identically. Conformal coating, thermal characteristics, and electrical properties are unaffected by whether the component was supplied in tape-and-reel or bulk format.
Q: Why is TAP685K016SCS inventory significantly higher than TAP685K016DTS?
A: Bulk packaging typically maintains higher inventory levels due to lower packaging costs and broader applicability across different assembly methods. Tape & Box format is more specialized for automated assembly lines.
Q: Are both parts compliant with current environmental regulations?
A: Yes. Both TAP685K016DTS and TAP685K016SCS are ROHS3 Compliant and REACH Unaffected, meeting current environmental and chemical substance regulations.
Q: Can these parts be used interchangeably in the same design revision?
A: Yes. Since all electrical and mechanical parameters are identical, either part can be used without design changes, schematic modifications, or PCB layout adjustments. Component selection can be based purely on packaging availability and procurement preferences.
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