Equivalent & Substitute Parts for 2SD0602AQL

Part Overview

The 2SD0602AQL is an NPN bipolar junction transistor manufactured by Panasonic Electronic Components, rated for 50 V collector-emitter breakdown voltage and 500 mA maximum collector current. This device is classified as obsolete, which necessitates identification of functionally equivalent alternatives from active manufacturers. The 2SD0602AQL is packaged in TO-236-3 (SOT-23-3) surface mount configuration with a maximum power dissipation of 200 mW and transition frequency of 200 MHz. Equivalent substitutes must maintain electrical compatibility across voltage, current, and thermal specifications while accommodating the same physical package footprint.

Key Parameters

Parameter	Value	Unit
Transistor Type	NPN	—
Voltage - Collector Emitter Breakdown (Max)	50	V
Current - Collector (Ic) (Max)	500	mA
Power - Max	200	mW
Frequency - Transition	200	MHz
Vce Saturation (Max) @ Ib, Ic	600 mV @ 30 mA, 300 mA	—
DC Current Gain (hFE) (Min) @ Ic, Vce	85 @ 150 mA, 10 V	—
Operating Temperature (TJ)	150	°C
Package / Case	TO-236-3, SC-59, SOT-23-3	—
Mounting Type	Surface Mount	—

Substitute Part Grouping Explanation

Substitution of the 2SD0602AQL is determined by strict electrical and mechanical compatibility. The primary substitution criteria are:

Mandatory Matching Parameters:

Transistor Type: NPN
Voltage - Collector Emitter Breakdown (Max): 50 V minimum
Current - Collector (Ic) (Max): 500 mA minimum
Package / Case: TO-236-3, SC-59, SOT-23-3
Mounting Type: Surface Mount

Secondary Compatibility Parameters:

Power - Max: 200 mW or greater
Frequency - Transition: 200 MHz or greater
Vce Saturation: 600 mV or less @ specified conditions
DC Current Gain (hFE): 85 or greater @ 150 mA, 10 V
Operating Temperature: 150°C or greater

Substitute parts are classified into two categories:

Direct Substitutes: Parts meeting all mandatory parameters with electrical characteristics equal to or exceeding the 2SD0602AQL specifications.

Similar Substitutes: Parts meeting all mandatory parameters but with different current or frequency ratings. These are suitable only when circuit design accommodates the modified electrical characteristics.

Parameter Comparison

Part Number	Manufacturer	Product Status	Ic (Max) mA	Vce Breakdown (Max) V	Power (Max) mW	Frequency (Transition) MHz	hFE (Min) @ 150mA, 10V	Vce Sat (Max) mV	Package
2SD0602AQL	Panasonic Electronic Components	Obsolete	500	50	200	200	85	600	TO-236-3
2PD602AQL,215	Nexperia USA Inc.	Active	500	50	250	140	85	600	TO-236-3
2PD602AQL,235	Nexperia USA Inc.	Active	500	50	250	140	85	600	TO-236-3
2PD602ARL,215	Nexperia USA Inc.	Active	500	50	250	160	120	600	TO-236-3
2PD602ASL,215	Nexperia USA Inc.	Active	500	50	250	180	170	600	TO-236-3
2PD601ARL,215	Nexperia USA Inc.	Active	100	50	250	100	210	250	TO-236-3
2PD601ART,235	Nexperia USA Inc.	Active	100	50	250	100	210	250	TO-236-3
2PD601ASL,215	Nexperia USA Inc.	Active	100	50	250	100	290	250	TO-236-3
2PD601BRL,215	Nexperia USA Inc.	Active	200	50	250	250	210	250	TO-236-3
2PD601BSL,215	NXP Semiconductors	Active	200	50	250	250	290	250	TO-236-3
2SD1484KT146Q	Rohm Semiconductor	Active	500	50	200	250	120	400	TO-236-3

Engineering Selection Recommendations

Direct Substitutes (Recommended for 1:1 Replacement):

The 2PD602AQL,215 and 2PD602AQL,235 from Nexperia USA Inc. are direct electrical equivalents to the 2SD0602AQL. Both parts maintain the 500 mA collector current rating, 50 V breakdown voltage, and identical saturation voltage characteristics. These devices are classified as Active products with AEC-Q101 automotive qualification and ROHS3 compliance, ensuring long-term availability and supply chain stability. The transition frequency of 140 MHz is lower than the original 200 MHz specification; however, this does not prevent substitution in applications where the circuit design does not require the higher frequency performance.

The 2PD602ARL,215 and 2PD602ASL,215 from Nexperia USA Inc. provide enhanced performance alternatives with transition frequencies of 160 MHz and 180 MHz respectively, approaching or exceeding the original 200 MHz specification. Both maintain the 500 mA current rating and 50 V voltage rating. The 2PD602ASL,215 offers the highest DC current gain (170 @ 150 mA, 10 V) among the 2PD602 variants, providing improved amplification characteristics.

The 2SD1484KT146Q from Rohm Semiconductor is an active alternative meeting all mandatory electrical parameters. This device matches the 200 mW power rating and exceeds the transition frequency at 250 MHz. The saturation voltage is lower at 400 mV, indicating superior switching performance. Rohm Semiconductor classification as Active ensures continued product support.

Similar Substitutes (Application-Dependent Selection):

The 2PD601 series from Nexperia USA Inc. comprises lower current-rated alternatives suitable only for applications where the circuit design accommodates reduced collector current. The 2PD601ARL,215, 2PD601ART,235, and 2PD601ASL,215 are rated for 100 mA maximum collector current, while the 2PD601BRL,215 and 2PD601BSL,215 are rated for 200 mA. All 2PD601 variants maintain the 50 V voltage rating and are AEC-Q101 qualified. These parts are not suitable for direct replacement in circuits requiring the full 500 mA current capability.

Compliance and Certification:

All recommended substitute parts from Nexperia USA Inc. and Rohm Semiconductor carry AEC-Q101 automotive qualification, ROHS3 compliance, and REACH unaffected status. These certifications ensure compatibility with automotive and industrial applications requiring stringent reliability standards. The 2SD0602AQL, classified as obsolete, lacks these modern certifications, making the transition to active alternatives necessary for new designs and long-term product support.

Frequently Asked Questions (FAQ)

Q: Can the 2PD602AQL,215 replace the 2SD0602AQL in all applications?

A: The 2PD602AQL,215 meets all mandatory electrical and mechanical parameters for direct substitution. The transition frequency is 140 MHz compared to the original 200 MHz. Substitution is valid for applications where circuit design does not depend on the higher frequency performance. Verify that the lower transition frequency does not impact circuit stability or signal bandwidth requirements.

Q: What is the difference between 2PD602AQL,215 and 2PD602AQL,235?

A: Both parts are electrically identical with 500 mA collector current, 50 V breakdown voltage, and 250 mW power rating. The designation suffix (215 versus 235) indicates different packaging or tape configuration from Nexperia USA Inc. Electrical performance and pin configuration are equivalent.

Q: Why are the 2PD601 series listed as similar rather than direct substitutes?

A: The 2PD601 series is rated for maximum collector currents of 100 mA or 200 mA, compared to the 2SD0602AQL rating of 500 mA. These parts cannot deliver the full current capability of the original device. Selection of 2PD601 variants is appropriate only when circuit design accommodates the reduced current rating.

Q: Is the 2SD1484KT146Q a suitable replacement for the 2SD0602AQL?

A: The 2SD1484KT146Q meets all mandatory parameters: 500 mA collector current, 50 V breakdown voltage, TO-236-3 package, and surface mount configuration. The device exceeds the original transition frequency at 250 MHz and maintains the 200 mW power rating. The lower saturation voltage (400 mV versus 600 mV) indicates improved switching performance. This part is suitable for direct substitution.

Q: What packaging considerations apply to these substitutes?

A: All listed substitute parts use the TO-236-3 (SOT-23-3, SC-59) surface mount package, identical to the 2SD0602AQL. Physical footprint, pin spacing, and PCB layout compatibility are maintained. Verify that tape and reel packaging (TR) or bulk packaging options meet procurement requirements.

Q: Are there differences in thermal performance between the 2SD0602AQL and its substitutes?

A: All substitute parts maintain the 150°C maximum junction temperature rating. The 2PD602 variants and 2SD1484KT146Q are rated for 250 mW maximum power dissipation, compared to the original 200 mW rating. This provides improved thermal margin in applications with moderate power dissipation. Thermal design calculations should account for the specific power dissipation of the application circuit.

Q: What is the significance of AEC-Q101 qualification on the substitute parts?

A: AEC-Q101 qualification indicates that the substitute parts meet automotive-grade reliability standards established by the Automotive Electronics Council. This certification ensures consistent performance across temperature ranges, extended product life, and compliance with automotive supply chain requirements. The obsolete 2SD0602AQL lacks this certification, making AEC-Q101 qualified alternatives necessary for automotive applications.

Q: Can the 2PD602ASL,215 be used in high-frequency applications?

A: The 2PD602ASL,215 is rated for 180 MHz transition frequency, approaching the original 200 MHz specification. This part is suitable for applications requiring frequencies up to 180 MHz. For applications requiring the full 200 MHz performance, the 2SD1484KT146Q (250 MHz) or 2PD601BRL,215 (250 MHz) provide higher frequency capability.

Q: What is the difference between Nexperia USA Inc. and NXP Semiconductors listings?

A: Nexperia USA Inc. and NXP Semiconductors are related entities within the Nexperia product line. The 2PD601BSL,215 is listed under NXP Semiconductors with bulk packaging, while other 2PD601 and 2PD602 variants are listed under Nexperia USA Inc. with tape and reel packaging. Electrical specifications are equivalent; packaging and supplier designation differ.

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