Equivalent & Substitute Parts for 4TPH150MABC

Part Overview

The 4TPH150MABC is a 150 µF molded tantalum polymer capacitor manufactured by Panasonic Electronic Components, rated for 4 V operation in a 1206 (3216 Metric) surface mount package. This component is classified as obsolete, making identification of suitable substitute parts essential for ongoing design support and production continuity. The part operates across a temperature range of -55°C to 85°C with an ESR of 70 mOhm at 100 kHz and a rated lifetime of 1000 hours at 85°C.

Substiute Parts

4TPH150MABC

Panasonic Electronic ComponentsIn Stock: 22284TPH150MABC Datasheet

Current PartRFQ

T520B157M006ATE070

KEMETIn Stock: 4354T520B157M006ATE070 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the 4TPH150MABC is determined by the following critical parameters:

Mandatory Matching Parameters:

• Capacitance: 150 µF (exact match required)
• Tolerance: ±20% (standard for tantalum polymer capacitors)
• Type: Molded Tantalum Polymer (functional equivalence)
• ESR: 70 mOhm @ 100 kHz (electrical performance requirement)
• Mounting Type: Surface Mount (assembly compatibility)
• RoHS Status: ROHS3 Compliant (regulatory requirement)

Allowable Variation Parameters:

• Voltage Rating: May exceed the original 4 V rating (higher voltage provides design margin)
• Package / Case: May differ if physical constraints permit (1206 to 1411 transition acceptable with layout verification)
• Operating Temperature Range: May exceed the original -55°C ~ 85°C range (extended range acceptable)
• Lifetime @ Temperature: May exceed the original 1000 Hrs @ 85°C specification (improved reliability acceptable)

The substitute part T520B157M006ATE070 from KEMET satisfies all mandatory parameters while providing enhanced electrical and thermal performance characteristics.

Parameter Comparison

Engineering Selection Recommendations

The T520B157M006ATE070 (KEMET KO-CAP® T520) is a qualified substitute for the obsolete 4TPH150MABC based on the following factors:

Electrical Equivalence: Both parts maintain identical capacitance (150 µF), tolerance (±20%), and ESR characteristics (70 mOhm @ 100 kHz), ensuring functional performance in the target application.

Regulatory Compliance: Both components are ROHS3 compliant with identical Moisture Sensitivity Level ratings (MSL 3, 168 Hours), meeting environmental and handling requirements.

Product Status: The KEMET T520B157M006ATE070 is classified as active, providing long-term availability and supply chain stability compared to the obsolete Panasonic part.

Enhanced Performance: The substitute offers higher voltage rating (6.3 V versus 4 V) and extended operating temperature range (-55°C ~ 105°C versus -55°C ~ 85°C), providing additional design margin and reliability.

Package Consideration: The substitute uses a 1411 (3528 Metric) package, which is physically larger than the original 1206 (3216 Metric) package. PCB layout modification is required to accommodate this dimensional change.

Frequently Asked Questions (FAQ)

Q: Can the T520B157M006ATE070 be used as a direct drop-in replacement for the 4TPH150MABC?

A: Electrical substitution is valid. However, the package size differs (1411 versus 1206), requiring PCB layout modification. The substitute cannot be placed in a footprint designed for the original 1206 package without redesign.

Q: Why does the substitute have a higher voltage rating (6.3 V versus 4 V)?

A: Higher voltage ratings in capacitors provide design margin and do not negatively impact circuit performance when the operating voltage remains at or below the original specification. The 6.3 V rating is acceptable for applications designed for 4 V operation.

Q: Are there any compatibility issues with the extended temperature range of the substitute?

A: No. The extended operating range (-55°C ~ 105°C) of the T520B157M006ATE070 is fully compatible with applications requiring the original -55°C ~ 85°C range. Extended temperature capability presents no compatibility concerns.

Q: What is the significance of the identical ESR values?

A: ESR (Equivalent Series Resistance) directly affects capacitor performance in filtering, ripple current handling, and thermal stability. Matching ESR values ensure equivalent electrical behavior in the target circuit.

Q: How do the lifetime specifications compare?

A: The substitute provides 2000 hours at 105°C versus 1000 hours at 85°C for the original part. This represents improved reliability and longer operational life under elevated temperature conditions.

Q: Are both parts RoHS3 compliant?

A: Yes. Both the 4TPH150MABC and T520B157M006ATE070 are ROHS3 compliant, meeting regulatory requirements for hazardous substance restrictions.

Q: What is Moisture Sensitivity Level (MSL) and why is it identical?

A: MSL indicates the maximum time a component can be exposed to moisture at specified temperature and humidity before soldering. Both parts are rated MSL 3 (168 Hours), requiring identical handling and storage protocols.