BSP41,115 Equivalent & Substitute Parts

Part Overview

The BSP41,115 is an NPN bipolar junction transistor manufactured by Nexperia USA Inc., rated for 60V collector-emitter breakdown voltage and 1A maximum collector current. This surface mount device in SOT-223 packaging is designed for general-purpose switching and amplification applications, with an operating temperature range up to 150°C and automotive-grade qualification under AEC-Q100. The part is currently active in production with 932 pieces in stock.

Substitute parts are necessary when the primary part becomes unavailable, when alternative manufacturers offer equivalent electrical performance, or when design requirements allow for enhanced specifications within the same package footprint.

Key Parameters

Parameter	Value	Unit
Transistor Type	NPN	—
Voltage - Collector Emitter Breakdown (Max)	60	V
Current - Collector (Ic) (Max)	1	A
Vce Saturation (Max) @ Ib, Ic	500mV @ 50mA, 500mA	—
Current - Collector Cutoff (Max)	100nA	—
DC Current Gain (hFE) (Min) @ Ic, Vce	100 @ 100mA, 5V	—
Power - Max	1.3	W
Frequency - Transition	100	MHz
Operating Temperature (Max)	150	°C
Mounting Type	Surface Mount	—
Package / Case	TO-261-4, TO-261AA	—
Supplier Device Package	SOT-223	—
RoHS Status	ROHS3 Compliant	—
Moisture Sensitivity Level (MSL)	1 (Unlimited)	—

Substitute Part Grouping Explanation

Substitute parts for the BSP41,115 are classified based on electrical parameter compatibility within the SOT-223 surface mount package. The primary substitution criteria are:

Critical Parameters for Substitution:

Transistor Type: NPN (must match)
Voltage - Collector Emitter Breakdown: minimum 60V (equal or greater)
Current - Collector (Ic) (Max): minimum 1A (equal or greater)
Vce Saturation: 500mV @ 50mA, 500mA (must match or be lower)
Current - Collector Cutoff: 100nA or lower
Package / Case: TO-261-4, TO-261AA (must match)
Mounting Type: Surface Mount (must match)

Direct Substitutes meet all critical parameters with identical or superior electrical ratings and maintain full compatibility with the original design.

Similar Substitutes meet the core electrical requirements but may have enhanced specifications in frequency response, power dissipation, or current rating. These parts are suitable for applications where the BSP41,115 specifications are met or exceeded.

Parameter Comparison

Part Number	Manufacturer	Ic (Max)	Vce Breakdown (Max)	Power (Max)	Frequency (Transition)	Operating Temp (Max)	Product Status	Package
BSP41,115	Nexperia USA Inc.	1 A	60 V	1.3 W	100 MHz	150°C	Active	SOT-223
BCP56-16T1G	onsemi	1 A	80 V	1.5 W	130 MHz	150°C	Active	SOT-223
2STN1360	STMicroelectronics	3 A	60 V	1.6 W	130 MHz	150°C	Active	SOT-223
BCP5416TA	Diodes Incorporated	1 A	45 V	2 W	150 MHz	150°C	Active	SOT-223-3
BCP55	onsemi	1.5 A	60 V	1.5 W	—	150°C	Active	SOT-223-4
BCP5510TA	Diodes Incorporated	1 A	60 V	2 W	150 MHz	150°C	Active	SOT-223-3
BCP5516TA	Diodes Incorporated	1 A	60 V	2 W	150 MHz	150°C	Active	SOT-223-3
BCP55H6327XTSA1	Infineon Technologies	1 A	60 V	2 W	100 MHz	150°C	Obsolete	PG-SOT223-4-10
BCP55TA	Diodes Incorporated	1 A	60 V	2 W	150 MHz	150°C	Active	SOT-223-3
CZT3019 TR PBFREE	Central Semiconductor Corp	1 A	80 V	2 W	400 MHz	150°C	Active	SOT-223
FZT491TA	Diodes Incorporated	1 A	60 V	2 W	150 MHz	150°C	Active	SOT-223-3

Engineering Selection Recommendations

Direct Substitutes (Highest Compatibility):

The following parts maintain electrical equivalence to the BSP41,115 and are recommended for direct replacement in existing designs:

BCP5510TA (Diodes Incorporated): Matches 60V/1A specifications with enhanced power dissipation (2W vs. 1.3W) and higher transition frequency (150MHz vs. 100MHz). Active product status with 25,100 units in stock. SOT-223-3 package compatible with TO-261-4 footprint.
BCP5516TA (Diodes Incorporated): Identical electrical specifications to BCP5510TA with DC current gain of 100 @ 150mA, 2V. Active product status with 10,300 units in stock. Extended operating temperature range (-65°C to 150°C).
BCP55TA (Diodes Incorporated): Meets 60V/1A core requirements with 2W power rating and 150MHz transition frequency. Active product status with 47,400 units in stock. Operating temperature range -55°C to 150°C.
FZT491TA (Diodes Incorporated): Equivalent 60V/1A ratings with 2W power dissipation and 150MHz frequency response. Active product status with 15,265 units in stock. Vce saturation specified at 500mV @ 100mA, 1A.

Enhanced Specification Substitutes (Superior Performance):

BCP56-16T1G (onsemi): Provides higher voltage rating (80V vs. 60V) with identical 1A current rating. Enhanced power dissipation (1.5W) and transition frequency (130MHz). Active product status with 495,300 units in stock. Suitable for applications requiring voltage margin.
CZT3019 TR PBFREE (Central Semiconductor Corp): Offers 80V voltage rating with 1A current and exceptional transition frequency (400MHz). Enhanced power dissipation (2W). Active product status with 3,377 units in stock. Recommended for high-frequency switching applications.

Current-Enhanced Substitutes:

2STN1360 (STMicroelectronics): Rated for 3A collector current at 60V breakdown voltage, providing significant current margin. Enhanced power dissipation (1.6W) and transition frequency (130MHz). Active product status with 9,007 units in stock. Suitable for applications requiring higher current capacity within the same voltage class.
BCP55 (onsemi): Rated for 1.5A collector current at 60V, providing current margin over the original part. 1.5W power dissipation. Active product status with 145,300 units in stock. Operating temperature range -55°C to 150°C.

Not Recommended:

BCP5416TA (Diodes Incorporated): Voltage rating of 45V is below the 60V requirement of the BSP41,115. This part does not meet the minimum voltage specification and is unsuitable for direct substitution.
BCP55H6327XTSA1 (Infineon Technologies): Product status is Obsolete. While electrical specifications match the BSP41,115, the obsolete status makes this part unsuitable for new designs or long-term supply assurance.

Frequently Asked Questions (FAQ)

Q: Can BCP5510TA be used as a direct replacement for BSP41,115?

A: Yes. BCP5510TA meets all critical electrical parameters: 60V collector-emitter breakdown voltage, 1A maximum collector current, 500mV Vce saturation, and SOT-223 package compatibility. The enhanced power rating (2W vs. 1.3W) and higher transition frequency (150MHz vs. 100MHz) provide additional design margin without affecting circuit operation.

Q: What is the difference between BCP5510TA and BCP5516TA?

A: Both parts are electrically equivalent with 60V/1A ratings and 2W power dissipation. The primary difference is the operating temperature range: BCP5510TA operates from -55°C to 150°C, while BCP5516TA extends to -65°C to 150°C. BCP5516TA is suitable for applications requiring extended low-temperature performance.

Q: Why is BCP5416TA not recommended as a substitute?

A: BCP5416TA has a maximum collector-emitter breakdown voltage of 45V, which is below the 60V specification of the BSP41,115. This part does not meet the minimum voltage requirement and cannot be used as a direct substitute.

Q: Can 2STN1360 be used in place of BSP41,115?

A: Yes, with design consideration. 2STN1360 meets the 60V voltage and exceeds the 1A current requirement with a 3A rating. The enhanced current capacity makes this part suitable for applications where higher current margin is beneficial. The SOT-223 package and electrical characteristics are compatible.

Q: What is the advantage of using BCP56-16T1G over BSP41,115?

A: BCP56-16T1G provides a higher voltage rating (80V vs. 60V) while maintaining the 1A current specification. This additional voltage margin is beneficial in applications subject to voltage transients or where design safety margins are required. The enhanced power dissipation (1.5W) and transition frequency (130MHz) also improve performance.

Q: Is CZT3019 TR PBFREE suitable for high-frequency applications?

A: Yes. CZT3019 TR PBFREE features a transition frequency of 400MHz, significantly higher than the BSP41,115 (100MHz). This part is recommended for switching applications requiring fast response times. The 80V voltage rating and 1A current rating maintain compatibility with the original specification.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All substitute parts listed are RoHS3 compliant and REACH unaffected, matching the environmental compliance status of the BSP41,115.

Q: What packaging considerations apply to these substitutes?

A: All substitute parts use SOT-223 or compatible variants (SOT-223-3, SOT-223-4, PG-SOT223-4-10) with TO-261-4 or TO-261AA case designations. These packages are mechanically and electrically compatible with standard SOT-223 PCB footprints. Verify specific pin assignments when transitioning between SOT-223 variants.

Q: Which substitute offers the best inventory availability?

A: BCP56-16T1G from onsemi offers the highest inventory with 495,300 units in stock, followed by BCP55 with 145,300 units. BCP55TA has 47,400 units available. These parts provide reliable supply assurance for production applications.

Q: Can BCP55H6327XTSA1 be used as a substitute?

A: BCP55H6327XTSA1 is not recommended. Although electrical specifications match the BSP41,115, this part has an Obsolete product status. Obsolete parts present supply chain risk and are unsuitable for new designs or applications requiring long-term availability.

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