T322B335K025AS Equivalent & Substitute Parts

Part Overview

The T322B335K025AS is a 3.3 µF molded tantalum capacitor manufactured by KEMET, rated for 25 V operation with axial through-hole mounting. This component is classified as a general-purpose tantalum capacitor suitable for applications requiring compact, reliable energy storage in the microfarad range. The part is currently active in production status with 934 units in stock inventory.

Identification of substitute parts becomes necessary when the primary part number is unavailable, when procurement lead times require alternative sourcing, or when design specifications permit equivalent electrical and mechanical characteristics. Substitute parts must maintain identical or superior performance parameters while ensuring compatibility with existing circuit designs and assembly processes.

Substiute Parts

T322B335K025AS

KEMETIn Stock: 996T322B335K025AS Datasheet

Current PartRFQ

T322B335K025AT

KEMETIn Stock: 859T322B335K025AT Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the T322B335K025AS is determined by strict equivalence across all critical electrical and mechanical parameters. The following parameters must match exactly to establish a valid substitute relationship:

Electrical Parameters (Must Match):

• Capacitance value: 3.3 µF
• Voltage rating: 25 V
• Tolerance: ±10%
• ESR: 5 Ohm
• Operating temperature range: -55°C to 125°C

Mechanical Parameters (Must Match):

• Mounting type: Through Hole
• Package configuration: Axial
• Physical dimensions: 0.110" Dia x 0.290" L (2.79mm x 7.37mm)
• Manufacturer size code: B
• Component type: Molded Tantalum

The substitute part T322B335K025AT meets all these criteria, establishing it as a direct functional equivalent. Both parts belong to the KEMET T322 series and share identical base product designation (T322B), confirming their interchangeability at the circuit level.

Parameter Comparison

Engineering Selection Recommendations

Both T322B335K025AS and T322B335K025AT are functionally equivalent tantalum capacitors with identical electrical performance and mechanical compatibility. Selection between these parts should be based on the following criteria:

T322B335K025AS Selection Criteria:

• Applications with no RoHS compliance requirement
• Designs where RoHS non-compliant components are acceptable
• Immediate availability required (934 units in stock)

T322B335K025AT Selection Criteria:

• Applications requiring ROHS3 compliance
• Designs subject to environmental or regulatory restrictions on hazardous substances
• Long-term supply chain planning where compliance certification is mandatory
• Acceptable inventory level (775 units in stock)

Both parts maintain identical electrical characteristics, physical dimensions, and thermal operating ranges. The primary distinction is regulatory compliance status. Selection should align with the specific regulatory requirements of the end application and target market.

Frequently Asked Questions (FAQ)

Q: Can T322B335K025AT be used as a direct replacement for T322B335K025AS in existing circuit designs?

A: Yes. Both parts are electrically and mechanically identical. They share the same capacitance (3.3 µF), voltage rating (25 V), tolerance (±10%), ESR (5 Ohm), operating temperature range (-55°C to 125°C), and physical dimensions (0.110" Dia x 0.290" L). The axial through-hole mounting configuration is identical, permitting direct substitution on printed circuit boards without design modification.

Q: What is the difference between these two part numbers?

A: The primary difference is RoHS compliance status. T322B335K025AS is RoHS non-compliant, while T322B335K025AT is ROHS3 compliant. All electrical and mechanical specifications are identical. The compliance difference may affect suitability for specific applications or markets with environmental regulations.

Q: Are the physical dimensions identical between both parts?

A: Yes. Both parts have identical dimensions of 0.110" diameter by 0.290" length (2.79mm x 7.37mm). Both use manufacturer size code B and axial package configuration. No PCB layout modifications are required when substituting between these parts.

Q: Do both parts have the same ESR specification?

A: Yes. Both T322B335K025AS and T322B335K025AT have an ESR of 5 Ohm. This identical specification ensures equivalent performance in applications sensitive to series resistance, such as filtering and energy storage circuits.

Q: What is the operating temperature range for both parts?

A: Both parts operate across the identical temperature range of -55°C to 125°C. This specification applies to all electrical and mechanical characteristics throughout the operating envelope.

Q: Which part should be selected for new designs?

A: For new designs, T322B335K025AT is recommended when the target application or market requires ROHS3 compliance. For applications without compliance requirements, either part is suitable based on availability and procurement lead time.

Q: Are there any differences in lead spacing or mounting considerations?

A: No. Both parts are through-hole axial components with identical physical specifications. Lead spacing, hole diameter requirements, and PCB mounting procedures are identical for both part numbers.

Q: Can these parts be used interchangeably in high-reliability applications?

A: Yes, from an electrical and mechanical standpoint. Both parts are rated for identical operating conditions and have identical performance specifications. Selection between them should be based on compliance requirements specific to the application's regulatory environment.