BCV49-QF Equivalent & Substitute Parts

Part Overview

The BCV49-QF is an NPN Darlington bipolar junction transistor manufactured by Nexperia USA Inc., designed for surface mount applications in the SOT-89 package. This component operates at a maximum collector current of 500 mA with a collector-emitter breakdown voltage of 60 V and delivers a maximum power dissipation of 1.3 W. The device is currently in active production status and is ROHS3 compliant. Equivalent and substitute parts are identified to provide design flexibility, accommodate supply chain variations, and support component sourcing strategies while maintaining electrical and mechanical compatibility.

Key Parameters

Parameter	Value	Unit
Transistor Type	NPN - Darlington	—
Current - Collector (Ic) (Max)	500	mA
Voltage - Collector Emitter Breakdown (Max)	60	V
Vce Saturation (Max) @ Ib, Ic	1 V @ 100 µA, 100 mA	—
Current - Collector Cutoff (Max)	100	nA
DC Current Gain (hFE) (Min) @ Ic, Vce	10000 @ 100 mA, 5 V	—
Power - Max	1.3	W
Frequency - Transition	220	MHz
Operating Temperature (TJ)	150	°C
Mounting Type	Surface Mount	—
Package / Case	TO-243AA	—
Supplier Device Package	SOT-89	—
RoHS Status	ROHS3 Compliant	—

Substitute Part Grouping Explanation

Substitute parts for the BCV49-QF are identified based on parametric equivalence across all critical electrical and mechanical specifications. The substitution logic is based on the following key parameters:

Electrical Parameters:

Transistor Type: NPN - Darlington configuration
Maximum Collector Current (Ic): 500 mA
Collector-Emitter Breakdown Voltage: 60 V
Vce Saturation: 1 V @ 100 µA, 100 mA
Collector Cutoff Current (ICBO): 100 nA
DC Current Gain (hFE): 10000 @ 100 mA, 5 V
Maximum Power Dissipation: 1.3 W
Transition Frequency: 220 MHz
Operating Temperature: 150°C (TJ)

Mechanical Parameters:

Mounting Type: Surface Mount
Package / Case: TO-243AA
Supplier Device Package: SOT-89
Packaging Format: Tape & Reel (TR)

Compliance Parameters:

RoHS Status: ROHS3 Compliant
REACH Status: REACH Unaffected

All substitute parts listed maintain identical electrical performance characteristics and mechanical compatibility with the BCV49-QF, ensuring direct functional interchangeability in circuit applications.

Parameter Comparison

Parameter	BCV49-QF	BCV49,115	BCV49,135
Manufacturer	Nexperia USA Inc.	Nexperia USA Inc.	Nexperia USA Inc.
Transistor Type	NPN - Darlington	NPN - Darlington	NPN - Darlington
Current - Collector (Ic) (Max)	500 mA	500 mA	500 mA
Voltage - Collector Emitter Breakdown (Max)	60 V	60 V	60 V
Vce Saturation (Max) @ Ib, Ic	1 V @ 100 µA, 100 mA	1 V @ 100 µA, 100 mA	1 V @ 100 µA, 100 mA
Current - Collector Cutoff (Max)	100 nA	100 nA	100 nA
DC Current Gain (hFE) (Min) @ Ic, Vce	10000 @ 100 mA, 5 V	10000 @ 100 mA, 5 V	10000 @ 100 mA, 5 V
Power - Max	1.3 W	1.3 W	1.3 W
Frequency - Transition	220 MHz	220 MHz	220 MHz
Operating Temperature (TJ)	150°C	150°C	150°C
Mounting Type	Surface Mount	Surface Mount	Surface Mount
Package / Case	TO-243AA	TO-243AA	TO-243AA
Supplier Device Package	SOT-89	SOT-89	SOT-89
Packaging Format	Tape & Reel (TR)	Tape & Reel (TR)	Tape & Reel (TR)
Product Status	Active	Active	Active
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
REACH Status	REACH Unaffected	REACH Unaffected	REACH Unaffected
Grade	—	Automotive	Automotive
Qualification	—	AEC-Q101	AEC-Q101
Moisture Sensitivity Level (MSL)	—	1 (Unlimited)	1 (Unlimited)

Engineering Selection Recommendations

The BCV49-QF, BCV49,115, and BCV49,135 are parametrically equivalent NPN Darlington transistors from Nexperia USA Inc. All three parts are in active production status and maintain identical electrical and mechanical specifications across all critical parameters.

BCV49,115 and BCV49,135 are qualified to automotive grade standards with AEC-Q101 certification and carry a Moisture Sensitivity Level (MSL) rating of 1 (Unlimited). These parts are suitable for applications requiring automotive-grade component qualification.

BCV49-QF is the base product number variant without automotive qualification designation. This part is suitable for general industrial and commercial applications where automotive-grade certification is not required.

All three parts are ROHS3 compliant and REACH unaffected, meeting current environmental and regulatory requirements. Selection between these parts depends on application requirements regarding automotive qualification and moisture sensitivity specifications.

Frequently Asked Questions (FAQ)

Q: Can BCV49,115 or BCV49,135 be used as direct replacements for BCV49-QF?

A: Yes. All three parts are parametrically equivalent across all electrical and mechanical specifications, including collector current, breakdown voltage, saturation voltage, current gain, power dissipation, transition frequency, operating temperature, and package configuration. Direct substitution is supported at the circuit level.

Q: What is the difference between BCV49-QF and the automotive-qualified variants?

A: BCV49,115 and BCV49,135 carry automotive grade designation with AEC-Q101 qualification. The BCV49-QF does not include automotive qualification. All other electrical and mechanical parameters are identical. Selection depends on whether automotive-grade certification is required for the application.

Q: Are all three parts available in the same package?

A: Yes. All three parts use the TO-243AA package case with SOT-89 supplier device package designation and are supplied in Tape & Reel (TR) format for surface mount assembly.

Q: What is the Moisture Sensitivity Level (MSL) for BCV49-QF?

A: The MSL specification is not provided for BCV49-QF. BCV49,115 and BCV49,135 both carry an MSL rating of 1 (Unlimited).

Q: Are there any compliance or regulatory differences between these parts?

A: All three parts are ROHS3 compliant and REACH unaffected. BCV49,115 and BCV49,135 include AEC-Q101 automotive qualification, which is not specified for BCV49-QF.

Q: Can these parts be used interchangeably in high-frequency applications?

A: Yes. All three parts maintain an identical transition frequency of 220 MHz and are suitable for applications operating within this frequency specification.

Q: What is the maximum operating temperature for these transistors?

A: The maximum junction temperature (TJ) for all three parts is 150°C.

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