Equivalent & Substitute Parts for T86D336K020EASS

Part Overview

The T86D336K020EASS is a 33 µF molded tantalum capacitor rated at 20 V with 700 mOhm equivalent series resistance, manufactured by Vishay Sprague in the 2917 (7343 Metric) package. This component is classified as obsolete, necessitating identification of active alternative parts that maintain electrical and mechanical compatibility for continued system support and procurement.

Substiute Parts

T86D336K020EASS

Vishay SpragueIn Stock: 863T86D336K020EASS Datasheet

Current PartRFQ

T83D336K025EZZS

Vishay SpragueIn Stock: 997T83D336K025EZZS Datasheet

UpgradeRFQ

T83D336K020EZZL

Vishay SpragueIn Stock: 1101T83D336K020EZZL Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the T86D336K020EASS is determined by the following critical parameters:

• Capacitance Value: Must be 33 µF (exact match required)
• Package / Case: Must be 2917 (7343 Metric) for mechanical and electrical compatibility
• Mounting Type: Must be Surface Mount
• Operating Temperature Range: Must support -55°C to 125°C minimum
• Voltage Rating: Must be equal to or greater than 20 V
• Tolerance: Must be ±10% or tighter
• Type: Must be Molded Tantalum

Two substitute parts meet these criteria and are available from Vishay Sprague's active product lines:

1. T83D336K025EZZS — Upgrade substitute with increased voltage rating (25 V)
2. T83D336K020EZZL — Direct replacement with improved ESR performance (200 mOhm)

Parameter Comparison

Engineering Selection Recommendations

T83D336K020EZZL is the manufacturer-recommended direct replacement. This part maintains the original 20 V voltage specification while offering superior performance through reduced ESR (200 mOhm versus 700 mOhm). The lower ESR provides improved transient response and reduced heat dissipation in the application circuit. This part is in active production status, ensuring long-term availability and supply chain stability.

T83D336K025EZZS serves as an upgrade alternative when circuit design permits higher voltage margin. The 25 V rating provides additional safety headroom above the original 20 V specification. This part retains the original 700 mOhm ESR characteristic and is also in active production status.

Both substitute parts are manufactured by Vishay Sprague, maintain identical mechanical compatibility with the original package footprint, and support the full operating temperature range. Selection between these two options depends on whether ESR performance improvement or voltage margin enhancement is prioritized for the application.

Frequently Asked Questions (FAQ)

Q: Can T83D336K025EZZS be used as a direct drop-in replacement for T86D336K020EASS?

A: Yes. The T83D336K025EZZS maintains identical capacitance (33 µF), tolerance (±10%), package (2917), and physical dimensions. The 25 V rating exceeds the original 20 V requirement, providing backward compatibility. ESR remains at 700 mOhm.

Q: What is the advantage of T83D336K020EZZL over the original part?

A: The T83D336K020EZZL reduces ESR from 700 mOhm to 200 mOhm while maintaining the 20 V voltage rating and all other electrical specifications. Lower ESR improves transient response characteristics and reduces resistive losses in high-frequency applications.

Q: Are the substitute parts mechanically compatible with the original PCB footprint?

A: Yes. Both substitute parts use the identical 2917 (7343 Metric) package with matching dimensions (0.287" L x 0.169" W, 7.30mm x 4.30mm) and maximum seated height (0.122" / 3.10mm). No PCB layout modifications are required.

Q: What is the difference between the T83 and T86 series designations?

A: The T86 series (original part) is obsolete. The T83 series represents the current active product line from Vishay Sprague for molded tantalum capacitors in this capacitance and voltage range. Both series share compatible electrical and mechanical specifications for the specified parameters.

Q: Are there any compliance or certification differences between the original and substitute parts?

A: All three parts share identical MSL rating (1 / Unlimited), REACH status (REACH Unaffected), and ECCN classification (EAR99). All are RoHS non-compliant. No compliance barriers exist for substitution.

Q: Which substitute should be selected for new designs?

A: T83D336K020EZZL is the manufacturer-recommended replacement and offers superior ESR performance. For applications requiring additional voltage safety margin, T83D336K025EZZS is equally valid. Both are in active production and recommended for new designs.