2SC39300CL Equivalent & Substitute Parts

Part Overview

The 2SC39300CL is an RF transistor manufactured by Panasonic Electronic Components, classified as an NPN bipolar junction transistor (BJT) designed for RF applications. This device operates at a maximum collector-emitter voltage of 20V with a transition frequency of 250MHz and maximum power dissipation of 150mW in a surface mount SC-70/SOT-323 package.

The 2SC39300CL is designated as obsolete. Identifying equivalent and substitute parts is necessary to maintain design continuity, ensure component availability, and support ongoing production requirements for applications utilizing this RF transistor.

Key Parameters

Parameter	Value	Unit
Transistor Type	NPN	—
Voltage - Collector Emitter Breakdown (Max)	20V	V
Frequency - Transition	250MHz	MHz
Power - Max	150mW	mW
Current - Collector (Ic) (Max)	30mA	mA
DC Current Gain (hFE) (Min)	110 @ 1mA, 10V	—
Operating Temperature (Max)	150°C	°C
Mounting Type	Surface Mount	—
Package / Case	SC-70, SOT-323	—
Noise Figure (Typ @ f)	2.8dB ~ 4dB @ 5MHz	dB

Substitute Part Grouping Explanation

Substitution of the 2SC39300CL is determined by compatibility across the following critical parameters:

Primary Substitution Criteria:

Transistor Type: NPN configuration required
Mounting Type: Surface mount technology
Operating Temperature: Maximum junction temperature of 150°C or higher
Voltage Rating: Collector-emitter breakdown voltage must equal or exceed 20V
Frequency Capability: Transition frequency must support 250MHz operation
Power Dissipation: Maximum power rating must accommodate 150mW or greater
Current Handling: Collector current capability must support 30mA maximum
DC Current Gain: Minimum hFE must meet or exceed 110 at specified conditions

Substitute parts are grouped based on their ability to meet these electrical and thermal specifications within surface mount packaging constraints. Parts with higher frequency ratings, voltage ratings, or power dissipation capabilities are considered compatible substitutes provided they maintain NPN configuration and surface mount form factor.

Parameter Comparison

Parameter	2SC39300CL	2SC4713KT146R	BF888H6327XTSA1	BFP420H6801XTSA1	BFP740FESDH6327XTSA1	BFR460L3E6327XTMA1	SMMBTH10-4LT3G
Manufacturer	Panasonic	Rohm Semiconductor	Infineon Technologies	Infineon Technologies	Infineon Technologies	Infineon Technologies	onsemi
Transistor Type	NPN	NPN	NPN	NPN	NPN	NPN	NPN
Voltage - Collector Emitter Breakdown (Max)	20V	6V	4V	5V	4.7V	5.8V	25V
Frequency - Transition	250MHz	800MHz	47GHz	25GHz	47GHz	22GHz	800MHz
Power - Max	150mW	200mW	160mW	160mW	160mW	200mW	225mW
Current - Collector (Ic) (Max)	30mA	50mA	30mA	35mA	45mA	50mA	—
DC Current Gain (hFE) (Min)	110 @ 1mA, 10V	180 @ 5mA, 5V	250 @ 25A, 3V	60 @ 20mA, 4V	160 @ 25mA, 3V	90 @ 20mA, 3V	120 @ 4mA, 10V
Operating Temperature (Max)	150°C	150°C	150°C	150°C	150°C	150°C	150°C
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount
Package / Case	SC-70, SOT-323	TO-236-3, SC-59, SOT-23-3	SC-82A, SOT-343	SC-82A, SOT-343	4-SMD, Flat Leads	SC-101, SOT-883	TO-236-3, SC-59, SOT-23-3
Product Status	Obsolete	Active	Active	Active	Active	Active	Active
RoHS Status	Non-compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant

Engineering Selection Recommendations

Product Status Consideration: The 2SC39300CL is obsolete. All listed substitute parts maintain active product status with current manufacturing support, ensuring long-term component availability and supply chain continuity.

Compliance and Certification: The 2SC39300CL is RoHS non-compliant. All substitute parts listed are ROHS3 compliant, meeting current environmental and regulatory requirements for electronic component manufacturing and deployment.

Voltage Rating Compatibility: The 2SC39300CL operates at a maximum collector-emitter breakdown voltage of 20V. Substitute parts with voltage ratings below 20V (2SC4713KT146R at 6V, BF888H6327XTSA1 at 4V, BFP420H6801XTSA1 at 5V, BFP740FESDH6327XTSA1 at 4.7V, BFR460L3E6327XTMA1 at 5.8V) are not suitable for direct substitution in applications requiring the full 20V rating. SMMBTH10-4LT3G, rated at 25V, supports the 20V requirement and exceeds it.

Frequency and Performance Characteristics: The 2SC39300CL operates at 250MHz transition frequency. Substitute parts with higher frequency ratings (2SC4713KT146R at 800MHz, BF888H6327XTSA1 at 47GHz, BFP420H6801XTSA1 at 25GHz, BFP740FESDH6327XTSA1 at 47GHz, BFR460L3E6327XTMA1 at 22GHz, SMMBTH10-4LT3G at 800MHz) provide enhanced frequency performance suitable for RF applications.

Power Dissipation: All substitute parts meet or exceed the 150mW power dissipation requirement of the 2SC39300CL, with ratings ranging from 160mW to 225mW.

Thermal Performance: All substitute parts maintain the 150°C maximum operating temperature specification, ensuring thermal compatibility with the original design.

Frequently Asked Questions (FAQ)

Q: Can the 2SC39300CL be directly replaced with any of the listed substitute parts?

A: Direct substitution depends on application voltage requirements. SMMBTH10-4LT3G is the only substitute that meets the full 20V collector-emitter breakdown voltage specification. Other substitutes operate at lower voltage ratings (4V to 6V) and are suitable only for applications operating below their respective voltage limits.

Q: What is the primary reason for finding substitutes for the 2SC39300CL?

A: The 2SC39300CL is obsolete and no longer in active production. Substitute parts are necessary to maintain design continuity and ensure component availability for ongoing production and support.

Q: Are all substitute parts RoHS compliant?

A: Yes. All listed substitute parts are ROHS3 compliant, whereas the 2SC39300CL is RoHS non-compliant. This compliance improvement supports current environmental regulations and manufacturing standards.

Q: How do package differences affect substitution?

A: The 2SC39300CL uses SC-70/SOT-323 packaging. Substitute parts use different packages: SOT-23-3 (2SC4713KT146R, SMMBTH10-4LT3G), SOT-343 (BF888H6327XTSA1, BFP420H6801XTSA1), 4-TSFP (BFP740FESDH6327XTSA1), and SOT-883 (BFR460L3E6327XTMA1). PCB layout modifications are required for package changes.

Q: Which substitute part most closely matches the 2SC39300CL specifications?

A: SMMBTH10-4LT3G is the only substitute meeting the 20V voltage requirement. However, it operates at 800MHz transition frequency compared to the 2SC39300CL's 250MHz, providing enhanced frequency performance. Package differences require PCB redesign.

Q: Can substitutes with higher frequency ratings be used in lower-frequency applications?

A: Yes. Substitutes with higher frequency ratings (such as the 47GHz parts) are backward compatible with lower-frequency applications (250MHz). Higher frequency capability does not limit operation at lower frequencies.

Q: What are the current availability considerations?

A: The 2SC39300CL has 1041 pieces in stock but is obsolete. Substitute parts have active status with higher inventory levels: 2SC4713KT146R (1745 pcs), BF888H6327XTSA1 (903 pcs), BFP420H6801XTSA1 (9559 pcs), BFP740FESDH6327XTSA1 (6007 pcs), BFR460L3E6327XTMA1 (15872 pcs), SMMBTH10-4LT3G (994 pcs).

Q: Are there thermal performance differences between the 2SC39300CL and substitute parts?

A: All parts maintain the same maximum operating temperature of 150°C. Thermal performance differences relate to package design and power dissipation ratings, with substitutes offering equal or superior thermal handling (160mW to 225mW versus 150mW).

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