2SA1952TLQ Equivalent & Substitute Parts Reference

Part Overview

The 2SA1952TLQ (Rohm Semiconductor) is a PNP bipolar junction transistor (BJT) designed for medium power switching and amplification, in a surface-mount TO-252-3 (DPAK, SC-63) package. It features a collector-emitter voltage of 60 V, collector current up to 5 A, transition frequency of 80 MHz, and 1 W maximum power dissipation. The product is classified as "Not For New Designs," making it necessary to identify alternative parts for ongoing design support and production.

Substiute Parts

2SA1952TLQ

Rohm SemiconductorIn Stock: 36702SA1952TLQ Datasheet

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2SAR586D3TL1

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2DB1184Q-13

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PHPT60606PYX

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STD2805T4

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Key Parameters

Substitute Part Grouping Explanation

Substitution for the 2SA1952TLQ is feasible when the alternative PNP BJT matches or exceeds the key electrical, thermal, and mechanical parameters, and meets compliance criteria. The key parameters used for strict eligibility are: transistor type, maximum collector current, maximum collector-emitter voltage, Vce saturation, collector cutoff current, minimum DC current gain, maximum power dissipation, transition frequency, operating temperature, mounting type, and package compatibility, as well as RoHS and REACH compliance.

Parameter Comparison

Engineering Selection Recommendations

For the 2SA1952TLQ, substitute selection should be based on product status and compliance. Since the 2SA1952TLQ is designated "Not For New Designs" and all listed substitute and similar parts are "Active" and fully compliant with RoHS and REACH, any of the substitutes meeting the key electrical parameters and mechanical package constraints listed above are eligible for use in compliant designs and may serve in ongoing production or redesign scenarios.

Frequently Asked Questions (FAQ)

Q1: What are the most critical parameters when selecting a substitute for 2SA1952TLQ?
A1: The most critical parameters are transistor type, maximum collector current, maximum collector-emitter voltage, saturation voltage, cutoff current, minimum DC current gain, maximum power dissipation, transition frequency, operating temperature, mounting type, and package compatibility.

Q2: Can all substitute parts be used as direct drop-in replacements?
A2: All substitutes share key parameters with the 2SA1952TLQ and match or exceed required specifications. Mechanical compatibility is critical; only parts with the same package (TO-252-3, DPAK, SC-63) ensure drop-in replacement without PCB modification.

Q3: How important is compliance status in substitute selection?
A3: Compliance status (RoHS, REACH, MSL) is essential to meet regulatory and reliability requirements in production. All listed substitutes are compliant to ROHS3 and REACH and have equivalent moisture sensitivity levels.

Q4: Does change in manufacturer or package affect system qualification?
A4: Any change in manufacturer or package variant may affect the qualification or assembly process if there are variations in form factor. Package compatibility must always be confirmed against the original device layout.

Q5: What should be considered regarding power and frequency parameters?
A5: Substitutes should at least match or exceed the power dissipation and transition frequency for equivalent circuit performance. All substitutes listed satisfy these electrical requirements as specified.