2SA2039-TL-H Equivalent & Substitute Parts

Part Overview

The 2SA2039-TL-H is a Surface Mount PNP Bipolar Junction Transistor manufactured by onsemi, rated for 50V collector-emitter breakdown voltage and 5A maximum collector current. This device is designed for general-purpose switching and amplification applications in the TO-252-3 (DPAK) package. The part is currently classified as Obsolete, necessitating identification of equivalent and substitute components for ongoing design support and procurement continuity.

Substiute Parts

2SA2039-TL-H

onsemiIn Stock: 25482SA2039-TL-H Datasheet

Current PartRFQ

2SA2040-TL-E

onsemiIn Stock: 174702SA2040-TL-E Datasheet

SimilarRFQ

2SB1204T-TL-E

onsemiIn Stock: 8952SB1204T-TL-E Datasheet

SimilarRFQ

2SA2039-TL-E

onsemiIn Stock: 102852SA2039-TL-E Datasheet

Parametric EquivalentRFQ

2SA2097(TE16L1,NQ)

Toshiba Semiconductor and StorageIn Stock: 11932SA2097(TE16L1,NQ) Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the 2SA2039-TL-H is determined by the following critical parameters:

Mandatory Matching Criteria:

• Transistor Type: PNP
• Voltage - Collector Emitter Breakdown (Max): 50V minimum
• Package / Case: TO-252-3, DPAK (2 Leads + Tab), SC-63
• Mounting Type: Surface Mount
• DC Current Gain (hFE) (Min): 200 @ 500mA, 2V

Allowable Variation Criteria:

• Current - Collector (Ic) (Max): Equal to or greater than 5A
• Power - Max: Equal to or greater than 800mW
• Frequency - Transition: Equal to or greater than 360MHz (for high-frequency applications)
• Vce Saturation: Lower values indicate improved performance

Substitute parts are classified into three categories based on their relationship to the main part:

Parametric Equivalent: Identical electrical specifications with different packaging or product status.

Similar Substitute: Exceeds minimum specifications in current capacity and power rating while maintaining voltage and gain requirements.

Direct Substitute: Alternative manufacturer offering equivalent performance characteristics.

Parameter Comparison

Engineering Selection Recommendations

2SA2039-TL-E (Parametric Equivalent - Recommended Primary Substitute)

The 2SA2039-TL-E is the direct parametric equivalent of the 2SA2039-TL-H, offering identical electrical specifications with the advantage of Active product status. This part maintains 5A maximum collector current, 50V breakdown voltage, 360MHz transition frequency, and 800mW power rating. The 2SA2039-TL-E is supplied in Tape & Reel packaging with 10,250 units in stock, providing superior procurement availability compared to the obsolete main part. This substitute is suitable for direct replacement in all applications where the 2SA2039-TL-H was originally specified.

2SA2040-TL-E (Similar Substitute - Higher Current Capacity)

The 2SA2040-TL-E provides enhanced specifications with 8A maximum collector current and 1W power rating while maintaining the 50V breakdown voltage and 200 minimum DC current gain. This part is Active status with 17,400 units in stock. The 2SA2040-TL-E exhibits improved saturation characteristics (400mV versus 430mV) and lower collector cutoff current (100nA versus 1µA). This substitute is applicable in applications where the design can accommodate higher current capacity without circuit modification.

2SA2097(TE16L1,NQ) (Direct Substitute - Alternative Manufacturer)

The 2SA2097 from Toshiba Semiconductor and Storage meets the 5A collector current and 50V voltage requirements with 1W power rating. This part demonstrates superior saturation voltage performance (270mV) and lower collector cutoff current (100nA). The 2SA2097 is Active status with 1,091 units in stock. This substitute is suitable for applications requiring alternative manufacturer sourcing or where improved saturation characteristics provide design benefits.

2SB1204T-TL-E (Similar Substitute - Not Recommended)

The 2SB1204T-TL-E is classified as Obsolete with only 874 units in stock. Although it provides 8A current capacity and 1W power rating, its lower transition frequency (130MHz versus 360MHz) and higher saturation voltage (500mV) make it unsuitable for high-frequency applications. This part should not be selected for new designs.

Frequently Asked Questions (FAQ)

Q: Can the 2SA2039-TL-E directly replace the 2SA2039-TL-H without circuit modification?

A: Yes. The 2SA2039-TL-E is a parametric equivalent with identical electrical specifications. The only difference is packaging format (Tape & Reel versus bulk) and product status (Active versus Obsolete). Direct substitution is supported for all applications.

Q: What is the primary advantage of using 2SA2040-TL-E instead of 2SA2039-TL-E?

A: The 2SA2040-TL-E provides higher current capacity (8A versus 5A) and increased power dissipation capability (1W versus 800mW). Selection depends on application requirements. If the circuit operates at or near 5A collector current, the 2SA2040-TL-E offers design margin. If the circuit operates below 5A, both parts are functionally equivalent.

Q: Are all substitute parts compatible with the same PCB footprint?

A: Yes. All listed substitute parts use the TO-252-3 (DPAK) package with identical pin configuration and mechanical dimensions. PCB layout and footprint modifications are not required.

Q: What does the transition frequency specification indicate?

A: Transition frequency (fT) defines the maximum frequency at which the transistor maintains useful gain. The 2SA2039-TL-H and 2SA2039-TL-E both specify 360MHz, supporting high-frequency switching applications. The 2SA2040-TL-E (290MHz) and 2SB1204T-TL-E (130MHz) have lower transition frequencies and are less suitable for high-frequency circuits.

Q: Why is the 2SA2097 from Toshiba listed as a substitute?

A: The 2SA2097 meets all mandatory electrical criteria: PNP type, 50V breakdown voltage, 5A collector current, 200 minimum DC current gain, and identical package. It provides alternative manufacturer sourcing and superior saturation voltage performance (270mV). Selection of the 2SA2097 is appropriate when Toshiba components are preferred or when improved saturation characteristics benefit the circuit design.

Q: What is the significance of collector cutoff current (ICBO)?

A: Collector cutoff current represents leakage current when the transistor is in the off state. Lower ICBO values indicate better switching performance and reduced standby power consumption. The 2SA2040-TL-E and 2SA2097 both specify 100nA (lower leakage) compared to 1µA for the 2SA2039-TL-H and 2SA2039-TL-E.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All listed substitute parts carry ROHS3 Compliant certification, meeting environmental and regulatory requirements for lead-free manufacturing and restricted substance compliance.

Q: What is the Moisture Sensitivity Level (MSL) rating?

A: All substitute parts are rated MSL 1 (Unlimited), indicating no moisture sensitivity restrictions. These components do not require special moisture-controlled storage or handling procedures.