2SC5490A-TL-H Equivalent & Substitute Parts

Part Overview

The 2SC5490A-TL-H is an RF transistor NPN manufactured by onsemi, designed for RF applications operating at frequencies up to 8GHz with a maximum power dissipation of 100mW. This device features a 10V collector-emitter breakdown voltage and is housed in a 3-SSFP surface mount package. The part is currently classified as obsolete, making identification of equivalent and substitute components necessary for ongoing design support and production continuity.

Substiute Parts

2SC5490A-TL-H

onsemiIn Stock: 10982SC5490A-TL-H Datasheet

Current PartRFQ

2SC5488A-TL-H

onsemiIn Stock: 116162SC5488A-TL-H Datasheet

MFR RecommendedRFQ

2SC2714-Y(TE85L,F)

Toshiba Semiconductor and StorageIn Stock: 42042SC2714-Y(TE85L,F) Datasheet

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BF771E6327HTSA1

Infineon TechnologiesIn Stock: 2836BF771E6327HTSA1 Datasheet

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BFP740H6327XTSA1

Infineon TechnologiesIn Stock: 14285BFP740H6327XTSA1 Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitution of the 2SC5490A-TL-H is determined by compatibility across the following critical parameters: transistor type (NPN), collector-emitter breakdown voltage rating, frequency capability, maximum power dissipation, maximum collector current, DC current gain characteristics, operating temperature range, and surface mount packaging. Substitute parts must maintain functional equivalence within the RF application domain while meeting or exceeding the electrical specifications of the original device.

The substitute parts are grouped into two categories based on their electrical and mechanical alignment with the 2SC5490A-TL-H:

Manufacturer Recommended Substitute: Parts that share the same manufacturer (onsemi) and maintain direct functional compatibility with minimal design impact.

Similar Substitutes: Parts from alternative manufacturers that provide equivalent or enhanced electrical performance within the same or compatible package families, suitable for applications where the primary electrical parameters are the determining factors.

Parameter Comparison

Engineering Selection Recommendations

2SC5488A-TL-H (onsemi): This is the manufacturer-recommended substitute. It maintains identical package geometry (SC-81, 3-SSFP), identical collector-emitter breakdown voltage (10V), and identical maximum power dissipation (100mW). The transition frequency is reduced from 8GHz to 7GHz, and maximum collector current is increased from 30mA to 70mA. Both devices share active product status with ROHS3 compliance and MSL 1 rating. This substitute is suitable for applications where the 7GHz frequency capability is sufficient and the increased current handling is beneficial or neutral.

BF771E6327HTSA1 (Infineon Technologies): This substitute maintains the 8GHz transition frequency and provides enhanced power dissipation capability (580mW versus 100mW). The collector-emitter breakdown voltage is increased to 12V, and maximum collector current is 80mA. Package compatibility requires consideration, as this device uses SOT-23-3 (TO-236-3, SC-59) rather than the 3-SSFP package. This substitute is applicable for designs where increased power handling and voltage margin are advantageous and PCB layout can accommodate the alternative package footprint.

BFP740H6327XTSA1 (Infineon Technologies): This substitute offers the highest transition frequency (42GHz) and enhanced DC current gain (160 @ 25mA, 3V). However, the collector-emitter breakdown voltage is reduced to 4.7V, and the package is SOT-343 (SC-82A), which differs from the original 3-SSFP. This substitute is suitable only for applications operating at lower supply voltages and where the significantly higher frequency capability provides design advantage.

2SC2714-Y(TE85L,F) (Toshiba Semiconductor and Storage): This substitute operates at significantly lower frequency (550MHz) and features higher collector-emitter breakdown voltage (30V) with reduced maximum collector current (20mA). The operating temperature maximum is 125°C versus 150°C. Package compatibility requires PCB redesign for SOT-23-3 footprint. This substitute is applicable only for lower-frequency RF applications where the enhanced voltage rating is required.

All substitute parts maintain ROHS3 compliance, MSL 1 rating, and surface mount mounting type. Selection should be based on specific application frequency requirements, voltage constraints, current demands, and package compatibility with existing PCB designs.

Frequently Asked Questions (FAQ)

Q: Can the 2SC5488A-TL-H directly replace the 2SC5490A-TL-H without PCB modifications?

A: Yes. The 2SC5488A-TL-H uses the identical SC-81 (3-SSFP) package and pin configuration as the 2SC5490A-TL-H. No PCB layout changes are required. The primary electrical difference is the reduced transition frequency (7GHz versus 8GHz), which is acceptable for applications not requiring the full 8GHz capability.

Q: What are the implications of using BF771E6327HTSA1 as a substitute?

A: The BF771E6327HTSA1 requires PCB footprint modification due to its SOT-23-3 package versus the original 3-SSFP package. However, it provides superior power dissipation (580mW versus 100mW) and maintains the 8GHz frequency capability. The higher collector-emitter breakdown voltage (12V) provides additional design margin. PCB redesign is necessary.

Q: Is the BFP740H6327XTSA1 suitable for all applications using the 2SC5490A-TL-H?

A: No. The BFP740H6327XTSA1 has a reduced collector-emitter breakdown voltage (4.7V versus 10V), making it unsuitable for applications operating at the original device's rated voltage. It is only applicable for designs with lower supply voltage requirements. Additionally, the SOT-343 package requires PCB redesign.

Q: Why is the 2SC2714-Y(TE85L,F) listed as a substitute if it operates at only 550MHz?

A: The 2SC2714-Y(TE85L,F) is included as a similar substitute for applications where RF operation is required at lower frequencies and higher voltage ratings (30V) are beneficial. It is not a direct replacement for 8GHz applications but serves as an alternative for lower-frequency RF designs with different voltage and current requirements.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All substitute parts listed (2SC5488A-TL-H, 2SC2714-Y(TE85L,F), BF771E6327HTSA1, and BFP740H6327XTSA1) are ROHS3 compliant and carry MSL 1 (Unlimited) moisture sensitivity rating, matching the original 2SC5490A-TL-H specifications.

Q: What is the primary reason for substitution of the 2SC5490A-TL-H?

A: The 2SC5490A-TL-H is classified as obsolete. The 2SC5488A-TL-H is the manufacturer-recommended active substitute from onsemi, providing direct functional replacement with minimal design impact. Alternative substitutes from Infineon and Toshiba are available for applications with different electrical or packaging requirements.

Q: Can package-incompatible substitutes be used with adapter boards?

A: Package-incompatible substitutes (BF771E6327HTSA1 with SOT-23-3 and BFP740H6327XTSA1 with SOT-343) would require custom adapter solutions. Direct PCB redesign is the standard engineering approach for package changes rather than adapter implementation.