BCP54-10-QF Equivalent & Substitute Parts

Part Overview

The BCP54-10-QF is an NPN bipolar junction transistor manufactured by Nexperia USA Inc., designed for surface mount applications in automotive-grade circuits. This component operates at a maximum collector current of 1 A, collector-emitter breakdown voltage of 45 V, and maximum power dissipation of 650 mW. The device is packaged in SOT-223 (TO-261-4, TO-261AA) configuration and qualifies under AEC-Q101 automotive standards. The BCP54-10-QF maintains active product status with robust inventory availability. Identifying equivalent and substitute parts is necessary for supply chain continuity, design flexibility, and procurement optimization when the primary part number becomes unavailable or when alternative sourcing is required.

Key Parameters

Parameter	Value	Unit
Transistor Type	NPN	—
Current - Collector (Ic) Max	1	A
Voltage - Collector Emitter Breakdown (Max)	45	V
Vce Saturation (Max)	500	mV @ 50mA, 500mA
Current - Collector Cutoff (Max)	100	nA
DC Current Gain (hFE) Min	63	@ 150mA, 2V
Power - Max	650	mW
Frequency - Transition	180	MHz
Operating Temperature (TJ)	150	°C
Package / Case	TO-261-4, TO-261AA	—
Supplier Device Package	SOT-223	—
Mounting Type	Surface Mount	—
Grade	Automotive	—
RoHS Status	ROHS3 Compliant	—

Substitute Part Grouping Explanation

Substitution of the BCP54-10-QF is determined by strict electrical and mechanical parameter matching. The substitute part BCP54-10,135 qualifies as a parametric equivalent based on the following criteria:

Electrical Parameters (Must Match):

Transistor type: NPN
Maximum collector current (Ic): 1 A
Collector-emitter breakdown voltage: 45 V
Vce saturation: 500 mV @ 50mA, 500mA
Collector cutoff current: 100 nA
DC current gain (hFE): 63 minimum @ 150mA, 2V
Maximum power dissipation: 650 mW
Transition frequency: 180 MHz
Operating temperature: 150°C

Mechanical Parameters (Must Match):

Package type: SOT-223
Case designation: TO-261-4, TO-261AA
Mounting type: Surface Mount

Compliance Parameters (Must Match):

RoHS3 compliance
Automotive grade classification
REACH unaffected status

The BCP54-10,135 meets all specified electrical and mechanical parameters, confirming direct substitution capability within the same functional and physical constraints.

Parameter Comparison

Parameter	BCP54-10-QF (Main)	BCP54-10,135 (Substitute)	Match Status
Manufacturer	Nexperia USA Inc.	Nexperia USA Inc.	Identical
Transistor Type	NPN	NPN	Identical
Current - Collector (Ic) Max	1 A	1 A	Identical
Voltage - Collector Emitter Breakdown (Max)	45 V	45 V	Identical
Vce Saturation (Max)	500 mV @ 50mA, 500mA	500 mV @ 50mA, 500mA	Identical
Current - Collector Cutoff (Max)	100 nA	100 nA	Identical
DC Current Gain (hFE) Min	63 @ 150mA, 2V	63 @ 150mA, 2V	Identical
Power - Max	650 mW	650 mW	Identical
Frequency - Transition	180 MHz	180 MHz	Identical
Operating Temperature (TJ)	150°C	150°C	Identical
Package / Case	TO-261-4, TO-261AA	TO-261-4, TO-261AA	Identical
Supplier Device Package	SOT-223	SOT-223	Identical
Mounting Type	Surface Mount	Surface Mount	Identical
Grade	Automotive	Automotive	Identical
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	Identical
REACH Status	REACH Unaffected	REACH Unaffected	Identical
Product Status	Active	Active	Identical
Automotive Qualification	AEC-Q101	AEC-Q100	Both Qualified

Engineering Selection Recommendations

The BCP54-10,135 is a direct parametric equivalent to the BCP54-10-QF. Both components are manufactured by Nexperia USA Inc. and share identical electrical specifications, mechanical packaging, and environmental compliance ratings. Both parts maintain active product status and are ROHS3 compliant with REACH unaffected designation.

The substitute part BCP54-10,135 carries AEC-Q100 automotive qualification, while the main part carries AEC-Q101 qualification. Both certifications confirm automotive-grade reliability and are acceptable for automotive applications. The BCP54-10,135 offers significantly higher inventory availability (27,451 pieces versus 1,148 pieces), providing supply chain advantages without electrical or mechanical compromise.

Selection between these parts should be based on procurement availability, lead time requirements, and specific automotive qualification requirements of the end application. No design modifications or circuit adjustments are required when substituting between these components.

Frequently Asked Questions (FAQ)

Q: Can the BCP54-10,135 be used as a direct replacement for the BCP54-10-QF?

A: Yes. The BCP54-10,135 is a direct parametric equivalent with identical electrical characteristics, maximum ratings, and physical packaging. No circuit modifications are required.

Q: Are there differences in automotive qualification between these parts?

A: The BCP54-10-QF carries AEC-Q101 qualification, while the BCP54-10,135 carries AEC-Q100 qualification. Both are valid automotive-grade certifications. Verify your application's specific qualification requirements before selection.

Q: Do these parts have the same physical package?

A: Yes. Both components use SOT-223 packaging (TO-261-4, TO-261AA case designation) and are surface mount devices. PCB footprints and assembly processes are identical.

Q: What is the difference between the part numbers BCP54-10-QF and BCP54-10,135?

A: These are different manufacturer part number designations for parametrically equivalent devices from Nexperia USA Inc. The suffix variations indicate different packaging or qualification batches, but electrical and mechanical specifications remain identical.

Q: Are both parts RoHS and REACH compliant?

A: Yes. Both the BCP54-10-QF and BCP54-10,135 are ROHS3 compliant and REACH unaffected, meeting current environmental regulatory requirements.

Q: Which part should I select for new designs?

A: Selection should be based on availability and lead time. The BCP54-10,135 offers higher inventory levels. Confirm that the AEC-Q100 qualification meets your application requirements if automotive certification is critical.

Q: Can these parts be used interchangeably in existing production?

A: Yes. The identical electrical parameters, maximum ratings, and physical packaging allow direct substitution in existing designs without design review or circuit modification.

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