TAP685J016SCS Equivalent & Substitute Parts

Part Overview

The TAP685J016SCS is a 6.8 µF conformal coated tantalum capacitor rated at 16 V with ±5% tolerance, manufactured by KYOCERA AVX. This radial through-hole component operates across -55°C to 125°C and is designed for general-purpose applications requiring reliable energy storage in compact form factors. The part is currently active in production with 971 units in stock. Substitute parts are identified when equivalent capacitance and functional performance can be maintained within specified electrical and mechanical constraints.

Substiute Parts

TAP685J016SCS

KYOCERA AVXIn Stock: 1048TAP685J016SCS Datasheet

Current PartRFQ

TAP685K006SCS

KYOCERA AVXIn Stock: 1510TAP685K006SCS Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the TAP685J016SCS is determined by the following criteria:

• Capacitance Match: Substitute parts must maintain 6.8 µF capacitance value
• Voltage Rating: Substitute parts must meet or exceed the 16 V rated voltage requirement
• Package Type: Substitute parts must use radial through-hole configuration with compatible lead spacing (0.098" / 2.50mm)
• Material & Coating: Substitute parts must be conformal coated tantalum capacitors from the same series
• Compliance: Substitute parts must maintain ROHS3 compliance and equivalent regulatory status

The TAP685K006SCS is identified as a manufacturer-recommended substitute. However, this part operates at a reduced voltage rating of 6.3 V, which is below the 16 V specification of the primary part. This substitution is valid only in applications where the actual operating voltage does not exceed 6.3 V.

Parameter Comparison

Engineering Selection Recommendations

Selection between TAP685J016SCS and TAP685K006SCS must be based on circuit voltage requirements:

• TAP685J016SCS: Use when circuit design specifies 16 V rated voltage or when operating voltage approaches or exceeds 6.3 V. This part provides higher voltage margin and tighter tolerance (±5%).

• TAP685K006SCS: Use only in applications where the maximum operating voltage does not exceed 6.3 V. This substitute offers lower ESR (8 Ohm vs 4 Ohm) and is available in higher inventory (1466 units). The wider tolerance (±10%) is acceptable for non-critical applications.

Both parts maintain identical operating temperature range, lifetime specifications, and regulatory compliance. Physical dimensions differ slightly; verify PCB layout compatibility before substitution.

Frequently Asked Questions (FAQ)

Q: Can TAP685K006SCS replace TAP685J016SCS in all applications?

A: No. The TAP685K006SCS has a maximum voltage rating of 6.3 V, compared to 16 V for the TAP685J016SCS. Substitution is valid only when the circuit's actual operating voltage does not exceed 6.3 V.

Q: What is the difference in ESR between these parts?

A: The TAP685J016SCS has 4 Ohm ESR, while the TAP685K006SCS has 8 Ohm ESR. Higher ESR may affect circuit performance in applications sensitive to impedance characteristics.

Q: Are the physical dimensions compatible?

A: Both parts use 0.098" (2.50mm) lead spacing and radial through-hole mounting. However, the TAP685J016SCS has a larger body diameter (0.197" / 5.00mm) and height (0.335" / 8.50mm) compared to the TAP685K006SCS (0.177" / 4.50mm diameter, 0.276" / 7.00mm height). Verify PCB layout clearance before substitution.

Q: Do both parts meet the same compliance standards?

A: Yes. Both TAP685J016SCS and TAP685K006SCS are ROHS3 compliant, REACH unaffected, and classified under ECCN EAR99 with identical HTSUS codes.

Q: What tolerance difference should I account for?

A: The TAP685J016SCS has ±5% tolerance, while the TAP685K006SCS has ±10% tolerance. For applications requiring tighter capacitance accuracy, the main part is preferred.