2SD1803T-TL-E Equivalent & Substitute Parts

Part Overview

The 2SD1803T-TL-E is an NPN bipolar junction transistor manufactured by onsemi, rated for 50 V collector-emitter breakdown voltage and 5 A maximum collector current. This surface mount device in TO-252-3 DPAK package is designed for general-purpose switching and amplification applications requiring 1 W power dissipation capability. The part is classified as Obsolete, necessitating identification of equivalent and substitute components for ongoing production and maintenance applications. Equivalent parts maintain identical electrical and mechanical specifications, while substitute parts provide functional alternatives with modified performance characteristics within acceptable application parameters.

Substiute Parts

2SD1803T-TL-E

onsemiIn Stock: 39762SD1803T-TL-E Datasheet

Current PartRFQ

2SC5706-TL-E

onsemiIn Stock: 38742SC5706-TL-E Datasheet

DirectRFQ

2SC5706-TL-H

onsemiIn Stock: 87752SC5706-TL-H Datasheet

DirectRFQ

2SC5707-TL-E

onsemiIn Stock: 44002SC5707-TL-E Datasheet

SimilarRFQ

2SD1803T-TL-H

onsemiIn Stock: 14012SD1803T-TL-H Datasheet

Parametric EquivalentRFQ

2SC5103TLQ

Rohm SemiconductorIn Stock: 477672SC5103TLQ Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the 2SD1803T-TL-E is determined by equivalence in the following critical parameters: transistor type (NPN), collector-emitter breakdown voltage (50 V), maximum collector current (5 A), power dissipation (1 W), package type (TO-252-3 DPAK), and surface mount configuration. Parts are grouped into three categories based on substitution relationship:

Direct Manufacturer Equivalents maintain all electrical specifications and differ only in packaging format (Cut Tape vs. Tape & Reel) or product status designation. These parts are pin-compatible and electrically interchangeable.

Similar Manufacturer Parts share the same voltage and current ratings but exhibit variations in transition frequency, saturation voltage, or power dissipation. These parts function as substitutes in applications where the modified specifications remain within design tolerances.

Parametric Equivalents are identical electrical and mechanical specifications but supplied under different part number designations or packaging options, typically reflecting manufacturing or distribution variants.

Parameter Comparison

Engineering Selection Recommendations

2SD1803T-TL-H is the primary parametric equivalent for the 2SD1803T-TL-E. This part maintains identical electrical specifications and package configuration while offering Active product status. The only distinction is packaging format (Tape & Reel vs. Cut Tape), making this the direct replacement for new procurement and design continuation.

2SC5706-TL-E is a direct manufacturer substitute with Active product status. This part maintains 50 V voltage rating and 5 A current rating with identical DC current gain. The transition frequency increases to 400 MHz and power dissipation reduces to 800 mW, with improved saturation voltage characteristics (240 mV vs. 400 mV). This substitution is suitable for applications where higher frequency performance is beneficial and the reduced power rating remains adequate.

2SC5707-TL-E is a similar manufacturer substitute with Active product status. This part increases maximum collector current to 8 A while maintaining 50 V voltage rating and 1 W power dissipation. Transition frequency is 330 MHz. This substitution is appropriate for applications requiring higher current capability within the same voltage and power envelope.

2SC5706-TL-H carries Not For New Designs status and should not be selected for new product development, despite Active inventory availability.

2SC5103TLQ from Rohm Semiconductor exhibits parametric differences including 60 V voltage rating, 120 MHz transition frequency, and lower DC current gain (120 vs. 200). This part should be selected only when the higher voltage rating is required and the reduced gain specification is acceptable for the application.

Frequently Asked Questions (FAQ)

Q: Can 2SD1803T-TL-H directly replace 2SD1803T-TL-E in existing designs?

A: Yes. The 2SD1803T-TL-H is a parametric equivalent with identical electrical specifications and package configuration. The difference is packaging format (Tape & Reel vs. Cut Tape). Pin configuration and electrical performance are identical.

Q: What is the primary advantage of 2SC5706-TL-E as a substitute?

A: The 2SC5706-TL-E offers improved high-frequency performance with 400 MHz transition frequency compared to 180 MHz in the 2SD1803T-TL-E, while maintaining the same 50 V voltage and 5 A current ratings. Saturation voltage is also lower (240 mV vs. 400 mV), improving switching efficiency. Power dissipation is reduced to 800 mW.

Q: Is 2SC5707-TL-E suitable for applications requiring higher current?

A: Yes. The 2SC5707-TL-E increases maximum collector current to 8 A while maintaining 50 V voltage rating and 1 W power dissipation. This part is appropriate for designs requiring current capability beyond 5 A within the same voltage and power specifications.

Q: Why should 2SC5103TLQ be avoided for new designs?

A: The 2SC5103TLQ from Rohm Semiconductor exhibits several parametric differences: 60 V voltage rating (vs. 50 V), 120 MHz transition frequency (vs. 180 MHz), and lower DC current gain of 120 @ 1A, 2V (vs. 200 @ 500mA, 2V). While these differences may be acceptable in specific applications, the part should be selected only when these modified specifications are required.

Q: Are all substitute parts available in the same TO-252-3 DPAK package?

A: Yes. All listed substitute parts use the TO-252-3 DPAK (2 Leads + Tab) SC-63 package configuration, ensuring mechanical and pin compatibility with the 2SD1803T-TL-E.

Q: What is the difference between Cut Tape and Tape & Reel packaging?

A: Cut Tape (CT) and Tape & Reel (TR) are distribution formats for the same component. Cut Tape is supplied in individual strips, while Tape & Reel is supplied on continuous reels for automated assembly. Electrical and mechanical specifications are identical; packaging format affects handling and assembly processes only.

Q: Which substitute part has the best compliance status for new product development?

A: Both 2SD1803T-TL-H and 2SC5706-TL-E carry Active product status, indicating suitability for new designs. The 2SD1803T-TL-H is recommended as the primary choice due to identical electrical specifications. The 2SC5706-TL-E is recommended when improved frequency performance is beneficial.

Q: Can 2SC5103TLQ be used in applications designed for 50 V operation?

A: The 2SC5103TLQ is rated for 60 V collector-emitter breakdown, which exceeds the 50 V requirement. However, the reduced DC current gain (120 vs. 200) and higher saturation voltage (500 mV vs. 400 mV) may affect circuit performance. Substitution requires verification that these parametric differences remain within design tolerances.