ECS-F1CE335K Equivalent & Substitute Parts

Part Overview

The ECS-F1CE335K is a 3.3 µF conformal coated tantalum capacitor rated at 16 V with radial through-hole mounting. Manufactured by Panasonic Electronic Components as part of the EF series, this component is classified as obsolete. Due to its obsolete status and limited availability relative to active alternatives, identifying equivalent substitute parts is essential for ongoing design support and production continuity.

Substiute Parts

ECS-F1CE335K

Panasonic Electronic ComponentsIn Stock: 1161ECS-F1CE335K Datasheet

Current PartRFQ

T350A335K016AS

KEMETIn Stock: 757T350A335K016AS Datasheet

DirectRFQ

TAP335K016SCS

KYOCERA AVXIn Stock: 2653TAP335K016SCS Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the ECS-F1CE335K are qualified based on the following critical parameters:

• Capacitance value: 3.3 µF (exact match required)
• Voltage rating: 16 V (minimum, equal or higher acceptable)
• Type: Conformal coated tantalum capacitor
• Mounting: Through hole radial configuration
• Operating temperature range: Must support -55°C ~ 105°C minimum

The identified substitutes meet these core electrical and mechanical requirements. Tolerance variations (±20% vs. ±10%) and ESR specifications are noted but do not disqualify substitution where the primary parameters align.

Parameter Comparison

Engineering Selection Recommendations

Both T350A335K016AS and TAP335K016SCS meet the core electrical specifications of the ECS-F1CE335K. Selection between these substitutes should consider the following factors:

T350A335K016AS (KEMET T350 Series): Active product status with extended operating temperature range (-55°C ~ 125°C). Tighter tolerance (±10%) and specified ESR (6 Ohm) provide improved performance predictability. Physical dimensions are larger than the original part.

TAP335K016SCS (KYOCERA AVX TAP Series): Active product status with ROHS3 compliance, meeting modern regulatory requirements. Extended operating temperature range (-55°C ~ 125°C) and specified ESR (6 Ohm). Lead spacing matches the original part (0.098"), reducing PCB layout modification requirements. Certified lifetime rating of 1000 Hrs @ 85°C.

For applications requiring regulatory compliance with modern standards, TAP335K016SCS is the preferred substitute. For applications where physical size constraints are less critical, both options provide equivalent electrical performance.

Frequently Asked Questions (FAQ)

Q: Can T350A335K016AS or TAP335K016SCS be used as direct replacements for ECS-F1CE335K?

A: Both parts meet the core electrical requirements: 3.3 µF capacitance, 16 V rating, conformal coated tantalum type, and through-hole radial mounting. Physical dimensions differ; PCB layout verification is required before substitution.

Q: What is the impact of the tolerance difference (±20% vs. ±10%)?

A: The substitute parts offer tighter tolerance (±10%), which provides improved capacitance accuracy compared to the original ±20% specification. This represents an improvement in component consistency.

Q: Are there PCB layout considerations when substituting these parts?

A: Yes. The substitute parts have larger body diameters (0.177" vs. 0.138") and greater seated heights (0.276"–0.280" vs. 0.217"). Lead spacing for TAP335K016SCS matches the original (0.098"), while T350A335K016AS uses 0.100" spacing. PCB footprint and clearance verification is necessary.

Q: What is the significance of RoHS compliance?

A: TAP335K016SCS is ROHS3 compliant, meeting current environmental and regulatory standards. The original ECS-F1CE335K and T350A335K016AS are RoHS non-compliant. For applications subject to RoHS requirements, TAP335K016SCS is the appropriate choice.

Q: How do the operating temperature ranges compare?

A: The original part operates from -55°C ~ 105°C. Both substitutes extend this range to -55°C ~ 125°C, providing improved performance margin in high-temperature applications.