BC847BQB-QZ Equivalent & Substitute Parts

Part Overview

The BC847BQB-QZ is an NPN small signal bipolar junction transistor manufactured by Nexperia USA Inc. in a surface mount DFN1110D-3 package with wettable flank configuration. This device is designed for general-purpose switching and amplification applications requiring low power dissipation and compact form factors. The part is actively produced and carries automotive-grade qualification under AEC-Q101 standards, making it suitable for both commercial and automotive applications. Substitute parts are identified to provide alternative sourcing options when the primary part number becomes unavailable or when inventory constraints require alternative procurement channels.

Key Parameters

Parameter	Value	Unit
Transistor Type	NPN	—
Current - Collector (Ic) Max	100	mA
Voltage - Collector Emitter Breakdown (Max)	45	V
Vce Saturation (Max) @ Ib, Ic	400 mV @ 5 mA, 100 mA	—
Current - Collector Cutoff (Max)	15	nA
DC Current Gain (hFE) Min @ Ic, Vce	200 @ 2 mA, 5 V	—
Power - Max	340	mW
Frequency - Transition	100	MHz
Operating Temperature (TJ)	150	°C
Package / Case	3-XDFN Exposed Pad	—
Supplier Device Package	DFN1110D-3	—
Mounting Type	Surface Mount, Wettable Flank	—
Grade	Automotive	—
Qualification	AEC-Q101	—
RoHS Status	ROHS3 Compliant	—
Moisture Sensitivity Level (MSL)	1 (Unlimited)	—

Substitute Part Grouping Explanation

Substitute parts for the BC847BQB-QZ are identified based on electrical and mechanical parameter equivalence within the NPN small signal bipolar transistor category. The substitution criteria are strictly limited to the following parameters:

Transistor Type: NPN configuration
Current Rating: Maximum collector current of 100 mA
Voltage Rating: Collector-emitter breakdown voltage of 45 V
Saturation Characteristics: Vce saturation of 400 mV at specified base and collector currents
Leakage Current: Collector cutoff current of 15 nA maximum
Current Gain: DC current gain (hFE) minimum of 200 at 2 mA collector current and 5 V Vce
Power Dissipation: Maximum power rating of 340 mW
Frequency Response: Transition frequency of 100 MHz
Package Configuration: 3-XDFN Exposed Pad (DFN1110D-3) with wettable flank surface mount
Compliance Standards: ROHS3 compliance and AEC-Q101 automotive qualification

Parts meeting all these electrical and mechanical specifications are classified as parametric equivalents and direct substitutes.

Parameter Comparison

Parameter	BC847BQB-QZ (Main)	BC847BQBZ (Substitute)
Manufacturer	Nexperia USA Inc.	Nexperia USA Inc.
Transistor Type	NPN	NPN
Current - Collector (Ic) Max	100 mA	100 mA
Voltage - Collector Emitter Breakdown (Max)	45 V	45 V
Vce Saturation (Max) @ Ib, Ic	400 mV @ 5 mA, 100 mA	400 mV @ 5 mA, 100 mA
Current - Collector Cutoff (Max)	15 nA	15 nA
DC Current Gain (hFE) Min @ Ic, Vce	200 @ 2 mA, 5 V	200 @ 2 mA, 5 V
Power - Max	340 mW	340 mW
Frequency - Transition	100 MHz	100 MHz
Operating Temperature (TJ)	150 °C	150 °C
Package / Case	3-XDFN Exposed Pad	3-XDFN Exposed Pad
Supplier Device Package	DFN1110D-3	DFN1110D-3
Mounting Type	Surface Mount, Wettable Flank	Surface Mount, Wettable Flank
RoHS Status	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)
Product Status	Active	Active

Engineering Selection Recommendations

Both the BC847BQB-QZ and BC847BQBZ are active products manufactured by Nexperia USA Inc. with identical electrical specifications and package configurations. The primary distinction between these parts is the packaging format: BC847BQB-QZ is supplied in Tape & Reel (TR) format, while BC847BQBZ is supplied in Cut Tape (CT) and Digi-Reel® format.

Selection between these parts should be based on procurement requirements and assembly process compatibility:

BC847BQB-QZ is appropriate for high-volume automated assembly operations utilizing tape and reel feeding systems.
BC847BQBZ is suitable for lower-volume production, manual assembly, or operations requiring cut tape and alternative reel formats.

Both parts carry ROHS3 compliance and are unaffected by REACH regulations. Both maintain automotive-grade qualification under AEC-Q101 standards, ensuring suitability for automotive and industrial applications. Moisture sensitivity level MSL 1 indicates unlimited shelf life under standard storage conditions.

Frequently Asked Questions (FAQ)

Q: Are BC847BQB-QZ and BC847BQBZ electrically identical?

A: Yes. Both parts are NPN small signal bipolar transistors with identical electrical specifications including 100 mA maximum collector current, 45 V breakdown voltage, 100 MHz transition frequency, and 340 mW maximum power dissipation.

Q: What is the difference between BC847BQB-QZ and BC847BQBZ?

A: The difference is in packaging format only. BC847BQB-QZ is supplied in Tape & Reel (TR) format, while BC847BQBZ is supplied in Cut Tape (CT) and Digi-Reel® format. Both use the identical DFN1110D-3 package with wettable flank configuration.

Q: Can BC847BQBZ be used as a direct replacement for BC847BQB-QZ in circuit design?

A: Yes. BC847BQBZ is a direct parametric equivalent and can be used as a substitute in any application designed for BC847BQB-QZ without circuit modification, provided the packaging format is compatible with the assembly process.

Q: Are both parts suitable for automotive applications?

A: Yes. Both BC847BQB-QZ and BC847BQBZ carry automotive-grade qualification under AEC-Q101 standards and are suitable for automotive and industrial applications.

Q: What does the wettable flank configuration mean?

A: Wettable flank refers to the package design feature that allows solder to flow along the side edges of the DFN package during reflow soldering, improving solder joint reliability and inspection capability in surface mount assembly processes.

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

A: No. Both parts are ROHS3 compliant, REACH unaffected, and carry identical moisture sensitivity level (MSL 1) ratings. Both are classified under ECCN EAR99 for export purposes.

Q: Which part should be selected for high-volume production?

A: BC847BQB-QZ in Tape & Reel format is optimized for high-volume automated assembly operations with tape feeding systems.

Q: Which part should be selected for low-volume or manual assembly?

A: BC847BQBZ in Cut Tape and Digi-Reel® format is suitable for lower-volume production runs and manual assembly processes.

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