2SC393700L RF Transistor NPN Equivalent & Substitute Parts

Part Overview

The 2SC393700L is an RF transistor manufactured by Panasonic Electronic Components, classified as an NPN bipolar junction transistor (BJT) designed for radio frequency applications. This device operates at 10V collector-emitter breakdown voltage with a transition frequency of 6GHz and maximum power dissipation of 150mW in a surface mount SMini3-G1 package (SC-70, SOT-323).

The 2SC393700L is currently listed as obsolete. Identifying equivalent and substitute parts is necessary to maintain design continuity, ensure supply chain availability, and support ongoing production or repair requirements for systems utilizing this component.

Substiute Parts

2SC393700L

Panasonic Electronic ComponentsIn Stock: 11852SC393700L Datasheet

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BFP420H6801XTSA1

Infineon TechnologiesIn Stock: 9605BFP420H6801XTSA1 Datasheet

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BFR193L3E6327XTMA1

Infineon TechnologiesIn Stock: 990BFR193L3E6327XTMA1 Datasheet

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BFR340FH6327XTSA1

Infineon TechnologiesIn Stock: 6535BFR340FH6327XTSA1 Datasheet

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BFR840L3RHESDE6327XTSA1

Infineon TechnologiesIn Stock: 14013BFR840L3RHESDE6327XTSA1 Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitution of the 2SC393700L is determined by electrical and mechanical compatibility across the following critical parameters:

Primary Substitution Criteria:

• Transistor Type: NPN configuration required
• Voltage Rating: Collector-emitter breakdown voltage must equal or exceed 10V
• Frequency Capability: Transition frequency must support 6GHz operation
• Power Dissipation: Maximum power rating must accommodate 150mW
• Current Handling: Maximum collector current must support 80mA
• Mounting: Surface mount configuration required
• Package Compatibility: Physical dimensions and pin configuration must allow direct or adapter-based replacement

Secondary Compatibility Factors:

• Gain characteristics (dB)
• Noise figure performance
• DC current gain (hFE)
• Operating temperature range

The substitute parts listed below are grouped based on their ability to meet or exceed the primary electrical specifications of the 2SC393700L while maintaining surface mount compatibility.

Parameter Comparison

Engineering Selection Recommendations

BFR193L3E6327XTMA1 (Infineon Technologies)

The BFR193L3E6327XTMA1 provides the closest electrical alignment with the 2SC393700L. This device maintains the 80mA maximum collector current specification and supports 12V collector-emitter breakdown voltage, exceeding the original 10V requirement. The 8GHz transition frequency accommodates the 6GHz operational band. Power dissipation of 580mW significantly exceeds the 150mW requirement, providing design margin. This part is currently in active production status with ROHS3 compliance and REACH unaffected certification. The SC-101, SOT-883 package differs from the original SMini3-G1, requiring physical layout evaluation.

BFR340FH6327XTSA1 (Infineon Technologies)

The BFR340FH6327XTSA1 operates at 9V collector-emitter breakdown voltage, approaching the 10V specification. Transition frequency of 14GHz exceeds 6GHz requirements. However, maximum collector current is limited to 20mA, significantly below the 80mA requirement of the original part. This device is suitable only for applications with reduced current demands. Active production status with ROHS3 compliance and REACH unaffected certification is confirmed. The SOT-723 package requires physical compatibility assessment.

BFP420H6801XTSA1 (Infineon Technologies)

The BFP420H6801XTSA1 operates at 5V collector-emitter breakdown voltage, below the 10V specification. Maximum collector current of 35mA falls short of the 80mA requirement. Transition frequency of 25GHz exceeds 6GHz operational needs. This device is limited to applications with reduced voltage and current specifications. Active production status with ROHS3 compliance and REACH unaffected certification is confirmed. The SC-82A, SOT-343 package requires physical compatibility assessment.

BFR840L3RHESDE6327XTSA1 (Infineon Technologies)

The BFR840L3RHESDE6327XTSA1 operates at 2.6V collector-emitter breakdown voltage, significantly below the 10V specification. Maximum collector current of 35mA is insufficient for the 80mA requirement. Transition frequency of 75GHz far exceeds 6GHz operational needs. This device is applicable only to specialized low-voltage, high-frequency applications. Active production status with ROHS3 compliance and REACH unaffected certification is confirmed. The SC-101, SOT-883 package requires physical compatibility assessment.

Frequently Asked Questions (FAQ)

Q: Can the BFR193L3E6327XTMA1 directly replace the 2SC393700L?

A: The BFR193L3E6327XTMA1 meets the primary electrical specifications for collector current (80mA), voltage rating (12V exceeds 10V), and frequency capability (8GHz exceeds 6GHz). However, the package differs: the original uses SC-70, SOT-323 while the substitute uses SC-101, SOT-883. Physical board layout and pin configuration must be evaluated for compatibility. Pin-to-pin compatibility cannot be assumed without detailed datasheet review.

Q: Why do the substitute parts have different voltage ratings?

A: The substitute parts listed represent available alternatives from active production lines. Voltage ratings vary based on the specific design and intended application of each device. Selection should prioritize parts with voltage ratings equal to or exceeding the original 10V specification to ensure safe operation within the design envelope.

Q: Which substitute part is most suitable for direct replacement?

A: The BFR193L3E6327XTMA1 provides the closest electrical match, maintaining the 80mA collector current and supporting the required frequency range. However, package differences necessitate physical layout verification. The BFR340FH6327XTSA1 and BFP420H6801XTSA1 have reduced current ratings and are suitable only for applications with lower current demands. The BFR840L3RHESDE6327XTSA1 is limited to specialized low-voltage applications.

Q: Are all substitute parts RoHS and REACH compliant?

A: All four substitute parts are ROHS3 compliant and REACH unaffected. The original 2SC393700L compliance status is not specified in the available data. Compliance verification with system-level requirements is necessary before final selection.

Q: What is the impact of different package types on substitution?

A: Package differences affect physical placement, board routing, and thermal management. The original 2SC393700L uses SMini3-G1 (SC-70, SOT-323), a compact package. Substitute parts use larger packages (SOT-723, SOT-343, SOT-883), which may require PCB redesign. Pin configuration and spacing differ between packages, preventing direct socket replacement without adapter solutions or layout modification.

Q: Can multiple substitute parts be used in the same design?

A: No. Each substitute part has distinct electrical characteristics. Collector current ratings, voltage specifications, and frequency responses differ significantly. A single design must select one substitute part based on the specific application requirements. Using different parts interchangeably within the same system is not supported.

Q: What parameters should be verified before finalizing a substitution?

A: Verify collector-emitter voltage rating meets or exceeds 10V, maximum collector current supports 80mA, transition frequency accommodates 6GHz operation, power dissipation capacity meets 150mW requirement, package physical dimensions fit the PCB layout, and pin configuration aligns with circuit connections. Thermal management and noise performance should be evaluated against original design specifications.