BC847AQCZ Equivalent & Substitute Parts

Part Overview

The BC847AQCZ is a Bipolar (BJT) NPN transistor manufactured by Nexperia USA Inc., designed for general-purpose switching and amplification applications. This component operates at a maximum collector voltage of 45 V with a collector current rating of 100 mA and a maximum power dissipation of 360 mW. The device is packaged in a 3-XDFN Exposed Pad surface mount configuration with wettable flanks.

The BC847AQCZ is classified as an obsolete product. Identifying equivalent and substitute parts is necessary to support ongoing design requirements, legacy system maintenance, and procurement continuity where original components are no longer readily available through standard distribution channels.

Key Parameters

Parameter	Value	Unit
Manufacturer	Nexperia USA Inc.	—
Category	Transistors, Bipolar (BJT)	—
Package / Case	3-XDFN Exposed Pad	—
Supplier Device Package	DFN1412D-3	—
Mounting Type	Surface Mount, Wettable Flank	—
Current - Collector (Ic) (Max)	100	mA
Voltage - Collector Emitter Breakdown (Max)	45	V
Power - Max	360	mW
Frequency - Transition	100	MHz
Operating Temperature (TJ)	150	°C
RoHS Status	ROHS3 Compliant	—
Moisture Sensitivity Level (MSL)	1 (Unlimited)	—

Substitute Part Grouping Explanation

Substitution of the BC847AQCZ is determined by strict equivalence across the following electrical and mechanical parameters:

Electrical Parameters:

Maximum collector current: 100 mA
Maximum collector-emitter breakdown voltage: 45 V
Maximum power dissipation: 360 mW
Transition frequency: 100 MHz
DC current gain (hFE): 110 (minimum) at 2 mA, 5 V
Vce saturation: 400 mV at 5 mA, 100 mA
Collector cutoff current (ICBO): 15 nA
Operating temperature: 150°C (TJ)

Mechanical Parameters:

Package type: 3-XDFN Exposed Pad
Supplier device package: DFN1412D-3
Mounting type: Surface Mount, Wettable Flank

Compliance Parameters:

RoHS3 compliance
Moisture sensitivity level: 1 (Unlimited)

Substitute parts must match all electrical specifications, maintain identical package and mounting characteristics, and satisfy the same compliance requirements. Packaging format (Tape & Reel versus other configurations) does not affect electrical or mechanical substitutability.

Parameter Comparison

Parameter	BC847AQCZ (Main Part)	BC847AQC-QZ (Substitute)
Manufacturer	Nexperia USA Inc.	Nexperia USA Inc.
Product Status	Obsolete	Active
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 (ICBO)	15 nA (ICBO)
DC Current Gain (hFE) (Min) @ Ic, Vce	110 @ 2 mA, 5 V	110 @ 2 mA, 5 V
Power - Max	360 mW	360 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	DFN1412D-3	DFN1412D-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)
REACH Status	REACH Unaffected	REACH Unaffected

Engineering Selection Recommendations

The BC847AQC-QZ is a direct electrical and mechanical equivalent to the BC847AQCZ. Both components share identical electrical specifications, package geometry, and mounting characteristics. The primary distinction is product status: the BC847AQCZ is obsolete, while the BC847AQC-QZ is active and available through current distribution channels.

The BC847AQC-QZ carries Automotive grade qualification and AEC-Q100 certification, indicating compliance with automotive industry reliability and quality standards. This qualification status provides additional assurance for applications requiring automotive-level component reliability.

Both parts satisfy ROHS3 compliance and REACH unaffected status, ensuring regulatory alignment for applications subject to environmental and hazardous substance restrictions.

For new designs or legacy system replacements where the BC847AQCZ is no longer procurable, the BC847AQC-QZ provides full functional and physical compatibility without design modification.

Frequently Asked Questions (FAQ)

Q: Can the BC847AQC-QZ be used as a direct replacement for the BC847AQCZ in existing designs?

A: Yes. The BC847AQC-QZ is electrically and mechanically identical to the BC847AQCZ. All electrical parameters, including collector current, breakdown voltage, power dissipation, and frequency response, are equivalent. The package type, pin configuration, and mounting method are identical. No circuit modification or PCB redesign is required.

Q: What is the primary reason for substitution?

A: The BC847AQCZ is classified as obsolete. The BC847AQC-QZ is the active equivalent part available through current distribution channels and manufacturing sources.

Q: Are there differences in packaging format between these parts?

A: Both parts use the DFN1412D-3 package (3-XDFN Exposed Pad) with surface mount, wettable flank configuration. The BC847AQCZ and BC847AQC-QZ differ only in packaging format designation (standard versus Tape & Reel). This distinction does not affect electrical performance or mechanical compatibility.

Q: Does the BC847AQC-QZ have additional certifications?

A: Yes. The BC847AQC-QZ carries Automotive grade qualification and AEC-Q100 certification. These certifications indicate compliance with automotive industry reliability and quality standards. The BC847AQCZ does not list these certifications in the provided specifications.

Q: Are both parts RoHS compliant?

A: Yes. Both the BC847AQCZ and BC847AQC-QZ are ROHS3 compliant and REACH unaffected, satisfying environmental and hazardous substance regulatory requirements.

Q: What is the moisture sensitivity level for these components?

A: Both parts have a Moisture Sensitivity Level (MSL) of 1 (Unlimited), indicating no moisture sensitivity restrictions during storage or handling.

Q: Can the BC847AQC-QZ be used in high-frequency applications?

A: Yes. The BC847AQC-QZ has a transition frequency of 100 MHz, identical to the BC847AQCZ, supporting high-frequency switching and amplification applications within this bandwidth.

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