T598B686M006AHS070 Equivalent & Substitute Parts

Part Overview

The T598B686M006AHS070 is a 68 µF molded tantalum polymer capacitor rated at 6.3 V, manufactured by KEMET as part of the KO-CAP® T598 series. This surface mount component is designed for automotive applications and meets AEC-Q200 qualification standards. The part is currently active in production with 750 pieces available in stock.

Substitute parts are identified when equivalent electrical and mechanical parameters are maintained across the same product family, enabling direct replacement in circuit designs while preserving performance characteristics and reliability ratings.

Substiute Parts

T598B686M006AHS070

KEMETIn Stock: 764T598B686M006AHS070 Datasheet

Current PartRFQ

T598B686M006ATE070

KEMETIn Stock: 8812T598B686M006ATE070 Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the T598B686M006AHS070 is determined by strict equivalence across the following critical parameters:

• Capacitance Value: 68 µF (exact match required)
• Voltage Rating: 6.3 V (exact match required)
• ESR Specification: 70 mOhm @ 100kHz (exact match required)
• Package Designation: 1411 (3528 Metric) (exact match required)
• Tolerance: ±20% (exact match required)
• Operating Temperature Range: -55°C to 125°C (exact match required)
• Lifetime Rating: 2000 Hours @ 125°C (exact match required)
• Mounting Configuration: Surface Mount (exact match required)
• Series Family: KO-CAP® T598 (exact match required)
• Automotive Qualification: AEC-Q200 (exact match required)

Substitute parts must maintain identical electrical performance, thermal characteristics, and mechanical form factor to ensure direct circuit board compatibility without design modification.

Parameter Comparison

Engineering Selection Recommendations

Both the T598B686M006AHS070 and T598B686M006ATE070 are active production parts within the KO-CAP® T598 series and maintain full electrical and mechanical equivalence. Selection between these parts is based on the following factors:

RoHS Compliance Status: The T598B686M006AHS070 is RoHS non-compliant, while the T598B686M006ATE070 is RoHS3 compliant. For applications requiring RoHS compliance, the T598B686M006ATE070 is the appropriate selection.

Inventory Availability: The T598B686M006ATE070 has significantly higher stock availability (8771 pieces) compared to the T598B686M006AHS070 (750 pieces), which may influence procurement decisions for high-volume production requirements.

Automotive Qualification: Both parts carry AEC-Q200 automotive qualification and are suitable for automotive circuit applications without restriction.

Functional Interchangeability: The parts are functionally identical in all electrical performance metrics, thermal characteristics, and mechanical dimensions, enabling direct substitution in existing circuit designs.

Frequently Asked Questions (FAQ)

Q: Can T598B686M006ATE070 be used as a direct replacement for T598B686M006AHS070?

A: Yes. Both parts are electrically and mechanically equivalent with identical capacitance (68 µF), voltage rating (6.3 V), ESR (70 mOhm @ 100kHz), package dimensions (1411/3528 Metric), and thermal performance (2000 Hours @ 125°C). Direct substitution is supported without circuit modification.

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

A: The primary difference is RoHS compliance status. The T598B686M006ATE070 is RoHS3 compliant, while the T598B686M006AHS070 is RoHS non-compliant. All other electrical, mechanical, and performance specifications are identical.

Q: Are both parts suitable for automotive applications?

A: Yes. Both the T598B686M006AHS070 and T598B686M006ATE070 carry AEC-Q200 automotive qualification and are rated for automotive use across the full operating temperature range of -55°C to 125°C.

Q: Do these parts have the same physical dimensions and mounting footprint?

A: Yes. Both parts use the 1411 (3528 Metric) package with identical dimensions of 0.138" L x 0.110" W (3.50mm x 2.80mm) and maximum seated height of 0.083" (2.10mm). PCB footprints are identical.

Q: What is the moisture sensitivity level for these capacitors?

A: Both parts have a Moisture Sensitivity Level (MSL) rating of 3, which corresponds to a maximum floor life of 168 hours at 30°C and 60% relative humidity before baking is required.

Q: Can these parts be used interchangeably in existing designs without re-qualification?

A: Yes. The electrical and mechanical equivalence of these parts supports direct substitution. Both maintain identical performance specifications, thermal ratings, and automotive qualification status.

Q: What is the tolerance specification for capacitance?

A: Both parts have a capacitance tolerance of ±20%, meaning the actual capacitance value will fall within the range of 54.4 µF to 81.6 µF at rated conditions.