2SC5964-TD-E Equivalent & Substitute Parts

Part Overview

The 2SC5964-TD-E is an NPN bipolar junction transistor manufactured by onsemi, rated for 50V collector-emitter breakdown voltage and 3A maximum collector current. This surface mount device in PCP package delivers 3.5W maximum power dissipation with a transition frequency of 380MHz. The part is currently in active production status with ROHS3 compliance and unlimited moisture sensitivity rating.

Substitute parts are necessary when the primary part becomes unavailable, when alternative packaging formats are required for manufacturing processes, or when design revisions call for different electrical performance characteristics within acceptable operating parameters.

Key Parameters

Parameter	Value	Unit
Transistor Type	NPN	—
Voltage - Collector Emitter Breakdown (Max)	50	V
Current - Collector (Ic) (Max)	3	A
Power - Max	3.5	W
Frequency - Transition	380	MHz
DC Current Gain (hFE) (Min) @ Ic, Vce	200 @ 100mA, 2V	—
Vce Saturation (Max) @ Ib, Ic	290mV @ 100mA, 2A	—
Operating Temperature (Max)	150	°C
Mounting Type	Surface Mount	—
Package / Case	TO-243AA	—

Substitute Part Grouping Explanation

Substitution of the 2SC5964-TD-E is determined by the following critical parameters: transistor type (NPN), maximum collector-emitter breakdown voltage (50V minimum), maximum collector current (3A minimum), and mounting type (surface mount). Parts are grouped into three categories based on substitution compatibility:

Direct Equivalent (Parametric Match): Parts with identical electrical specifications and the same TO-243AA package footprint, differing only in packaging format (tape and reel versus cut tape).

Similar Equivalent (Reduced Performance Envelope): Parts with 50V breakdown voltage and 3A collector current but lower power dissipation, transition frequency, or different saturation characteristics. These parts operate within the same voltage and current envelope but with reduced performance headroom.

Parametric Equivalent (Alternative Package): Parts with matching electrical specifications but different surface mount packages (SOT-89-3, SOT-223, MPT3). These require PCB layout modification but maintain electrical compatibility within their rated parameters.

Reduced Current Rating (2A Maximum): Parts rated for 2A maximum collector current instead of 3A. These are suitable only for applications where the circuit design does not require the full 3A capability.

Parameter Comparison

Part Number	Manufacturer	Ic (Max)	Vce(br)max	Power (Max)	fT (MHz)	Package	Vce Sat (Max)	hFE (Min)	Status
2SC5964-TD-E	onsemi	3 A	50 V	3.5 W	380	TO-243AA (PCP)	290mV @ 100mA, 2A	200 @ 100mA, 2V	Active
2SC5964-TD-H	onsemi	3 A	50 V	3.5 W	380	TO-243AA (PCP)	290mV @ 100mA, 2A	200 @ 100mA, 2V	Active
2SD1624T-TD-E	onsemi	3 A	50 V	500 mW	150	TO-243AA (PCP)	500mV @ 100mA, 2A	200 @ 100mA, 2V	Active
2SC5994-TD-E	onsemi	2 A	50 V	1.3 W	420	TO-243AA (PCP)	300mV @ 50mA, 1A	200 @ 100mA, 2V	Active
2SC4672T100Q	Rohm Semiconductor	2 A	50 V	500 mW	210	TO-243AA (MPT3)	350mV @ 50mA, 1A	120 @ 500mA, 2V	Not For New Designs
DNLS350Y-13	Diodes Incorporated	3 A	50 V	1 W	100	TO-243AA (SOT-89-3)	370mV @ 300mA, 3A	300 @ 1A, 2V	Active
2DC4672-13	Diodes Incorporated	3 A	50 V	900 mW	180	TO-243AA (SOT-89-3)	350mV @ 50mA, 1A	82 @ 500mA, 2V	Active
FCX619TA	Diodes Incorporated	3 A	50 V	2 W	165	TO-243AA (SOT-89-3)	320mV @ 100mA, 2.75A	100 @ 2A, 2V	Active
FZT690BQTA	Diodes Incorporated	3 A	45 V	1.2 W	150	TO-261-4 (SOT-223)	500mV @ 5mA, 1A	500 @ 100mA, 2V	Active
FZT690BTA	Diodes Incorporated	3 A	45 V	2 W	150	TO-261-4 (SOT-223-3)	500mV @ 5mA, 1A	150 @ 2A, 2V	Active
PBSS4350X,147	Nexperia USA Inc.	3 A	50 V	1.6 W	100	TO-243AA (SOT-89)	370mV @ 300mA, 3A	300 @ 1A, 2V	Active

Engineering Selection Recommendations

2SC5964-TD-H (onsemi): This part is a direct parametric equivalent with identical electrical specifications and the same TO-243AA package. The only difference is the packaging format (tape and reel versus cut tape). Selection is appropriate when tape and reel packaging is required for automated assembly processes. Both parts are active production status with ROHS3 compliance.

2SD1624T-TD-E (onsemi): This part maintains the 50V breakdown voltage, 3A collector current, and TO-243AA package but operates at reduced power dissipation (500mW versus 3.5W) and lower transition frequency (150MHz versus 380MHz). Selection is appropriate for applications where the lower power envelope is sufficient and where the reduced frequency performance does not impact circuit operation. Product status is active.

2SC5994-TD-E (onsemi): This part is rated for 2A maximum collector current instead of 3A, with 50V breakdown voltage and TO-243AA package. Higher transition frequency (420MHz) is available. Selection requires verification that the application circuit does not exceed 2A collector current. Product status is active.

DNLS350Y-13 (Diodes Incorporated): This part provides 3A collector current and 50V breakdown voltage in SOT-89-3 package. Power dissipation is 1W with 100MHz transition frequency. Higher DC current gain (300 minimum) is available. PCB layout modification is required due to different package footprint. Product status is active.

FCX619TA (Diodes Incorporated): This part provides 3A collector current and 50V breakdown voltage in SOT-89-3 package with 2W power dissipation and 165MHz transition frequency. PCB layout modification is required. Product status is active.

FZT690BQTA and FZT690BTA (Diodes Incorporated): These parts provide 3A collector current but with 45V breakdown voltage (5V lower than the main part) in SOT-223 package. Selection requires verification that the reduced voltage rating is acceptable for the application. Both parts are active production status. FZT690BQTA carries AEC-Q101 automotive qualification.

PBSS4350X,147 (Nexperia USA Inc.): This part provides 3A collector current and 50V breakdown voltage in SOT-89 package with 1.6W power dissipation. Higher DC current gain (300 minimum) is available. Carries AEC-Q100 automotive qualification. PCB layout modification is required. Product status is active.

2SC4672T100Q (Rohm Semiconductor): This part is rated for 2A maximum collector current with 50V breakdown voltage. Product status is "Not For New Designs," indicating this part should not be selected for new circuit development. Existing designs using this part may continue to source it during the transition period.

Frequently Asked Questions (FAQ)

Q: Can 2SC5964-TD-H be used as a direct replacement for 2SC5964-TD-E?

A: Yes. Both parts have identical electrical specifications (50V, 3A, 3.5W, 380MHz) and the same TO-243AA package. The difference is packaging format: 2SC5964-TD-E is supplied in cut tape format while 2SC5964-TD-H is supplied in tape and reel format. Selection depends on assembly process requirements.

Q: What is the difference between 2SC5964-TD-E and 2SD1624T-TD-E?

A: Both parts maintain 50V breakdown voltage, 3A collector current, and TO-243AA package. The 2SD1624T-TD-E operates at significantly reduced power dissipation (500mW versus 3.5W) and lower transition frequency (150MHz versus 380MHz). The 2SD1624T-TD-E is suitable only for applications where these reduced performance levels are acceptable.

Q: Can parts with 2A collector current rating substitute for the 3A-rated 2SC5964-TD-E?

A: Parts such as 2SC5994-TD-E and 2SC4672T100Q are rated for 2A maximum collector current. These can substitute only if the application circuit design does not require collector current exceeding 2A. Circuit analysis is required to confirm this condition.

Q: What is the impact of using SOT-89-3 package parts instead of TO-243AA PCP package?

A: SOT-89-3 package parts (DNLS350Y-13, FCX619TA, PBSS4350X,147) have different physical dimensions and pin configurations than TO-243AA. PCB layout modification is required, including changes to land patterns, trace routing, and thermal management considerations. Electrical performance remains compatible within the rated parameters of each part.

Q: Why is 2SC4672T100Q marked as "Not For New Designs"?

A: This product status indicates the part is in end-of-life phase. While existing inventory may be available and the part can be used in ongoing production of existing designs, new circuit development should select alternative parts with active production status such as 2SC5964-TD-E, 2SD1624T-TD-E, or other active-status equivalents.

Q: Can FZT690BQTA or FZT690BTA be used despite the 45V breakdown voltage rating?

A: These parts are rated for 45V breakdown voltage compared to the 50V rating of 2SC5964-TD-E. Selection requires verification that the application circuit operates at voltages not exceeding 45V. If the circuit design includes voltage transients or margin requirements that depend on the 50V rating, these parts are not suitable.

Q: What is the significance of AEC-Q100 and AEC-Q101 qualifications on substitute parts?

A: AEC-Q100 and AEC-Q101 are automotive industry reliability qualifications. PBSS4350X,147 carries AEC-Q100 qualification and FZT690BQTA carries AEC-Q101 qualification. These qualifications indicate the parts meet automotive-grade reliability and testing standards. Selection of qualified parts is necessary for automotive applications; non-qualified parts are not suitable for such use.

Q: How do DC current gain (hFE) differences affect substitution?

A: DC current gain varies among substitute parts. The main part specifies 200 minimum at 100mA, 2V. Substitute parts range from 82 to 500 minimum depending on test conditions. Higher hFE values reduce base drive requirements; lower values require increased base current. Circuit design must accommodate the hFE range of the selected substitute part.

Q: What packaging formats are available for the 2SC5964-TD-E?

A: The main part 2SC5964-TD-E is supplied in cut tape (CT) and Digi-Reel format. The equivalent 2SC5964-TD-H is supplied in tape and reel (TR) format. Both use the same TO-243AA package. Selection depends on whether the assembly process uses tape and reel or cut tape feeding systems.

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