BC847BQCZ Equivalent & Substitute Parts Reference

Part Overview

The BC847BQCZ is a surface-mount NPN bipolar junction transistor (BJT) from Nexperia USA Inc., classified under the Transistors, Bipolar (BJT) product category. It features a maximum collector-emitter voltage of 45 V, a maximum collector current of 100 mA, and a power rating of 360 mW. The transistor is packaged in a 3-XDFN Exposed Pad case with wettable flanks. This model is listed as obsolete, making it necessary to identify equivalent or substitute models to ensure continued support for legacy designs or ongoing production requirements.

Key Parameters

Parameter	BC847BQCZ Value
Manufacturer	Nexperia USA Inc.
Category	Transistors, Bipolar (BJT)
Transistor Type	NPN
Voltage - Collector Emitter Breakdown (Max)	45 V
Current - Collector (Ic) (Max)	100 mA
Vce Saturation (Max) @ Ib, Ic	400mV @ 5mA, 100mA
Current - Collector Cutoff (ICBO, Max)	15 nA
DC Current Gain (hFE, Min) @ Ic, Vce	200 @ 2mA, 5V
Power - Max	360 mW
Frequency - Transition	100 MHz
Operating Temperature (TJ)	150°C
Mounting Type	Surface Mount, Wettable Flank
Package / Case	3-XDFN Exposed Pad
Supplier Device Package	DFN1412D-3
RoHS Status	ROHS3 Compliant
Product Status	Obsolete

Substitute Part Grouping Explanation

Substitution is based strictly on matching these key parameters:

Transistor type (NPN)
Maximum collector-emitter voltage (45 V)
Maximum collector current (100 mA)
Vce saturation (Max) at defined Ib/Ic
Maximum collector cutoff current (ICBO)
Minimum DC current gain (hFE) at specified Ic/Vce
Maximum power rating (360 mW)
Transition frequency (100 MHz)
Operating temperature (150°C)
Package and mechanical outline (3-XDFN Exposed Pad, DFN1412D-3)
Mounting type (Surface Mount, Wettable Flank)
RoHS compliance

All listed substitute parts share these critical electrical, mechanical, and compliance parameters.

Parameter Comparison

Parameter	Main Part: BC847BQCZ	Substitute: BC847BQC-QZ
Manufacturer	Nexperia USA Inc.	Nexperia USA Inc.
Category	Transistors, Bipolar (BJT)	Transistors, Bipolar (BJT)
Transistor Type	NPN	NPN
Voltage - Collector Emitter Breakdown (Max)	45 V	45 V
Current - Collector (Ic) (Max)	100 mA	100 mA
Vce Saturation (Max) @ Ib, Ic	400mV @ 5mA, 100mA	400mV @ 5mA, 100mA
Current - Collector Cutoff (ICBO, Max)	15 nA	15 nA
DC Current Gain (hFE, Min) @ Ic, Vce	200 @ 2mA, 5V	200 @ 2mA, 5V
Power - Max	360 mW	360 mW
Frequency - Transition	100 MHz	100 MHz
Operating Temperature (TJ)	150°C	150°C
Mounting Type	Surface Mount, Wettable Flank	Surface Mount, Wettable Flank
Package / Case	3-XDFN Exposed Pad	3-XDFN Exposed Pad
Supplier Device Package	DFN1412D-3	DFN1412D-3
RoHS Status	ROHS3 Compliant	ROHS3 Compliant
Product Status	Obsolete	Active

Engineering Selection Recommendations

Selection of a substitute part should be based on the product status, RoHS compliance, and required certifications. The BC847BQC-QZ provides active availability, maintains the same electrical and mechanical properties, and carries ROHS3 and automotive AEC-Q100 qualifications. The moisture sensitivity level for BC847BQC-QZ differs (MSL 3 vs. MSL 1), which must be reviewed for compatibility with production storage and reflow processes. Both main and substitute parts are REACH unaffected and classified as EAR99 for export compliance.

Frequently Asked Questions (FAQ)

Q: What key parameters determine substitutability between BC847BQCZ and BC847BQC-QZ?
A: Substitutability is determined by matching transistor type, maximum voltage and current ratings, power rating, Vce saturation, DC current gain (hFE), transition frequency, package type, mounting method, and RoHS compliance.

Q: Is package compatibility ensured between BC847BQCZ and BC847BQC-QZ?
A: Yes, both parts use the 3-XDFN Exposed Pad (DFN1412D-3) surface-mount package with wettable flanks.

Q: Are there differences in compliance or part handling requirements?
A: Both parts are ROHS3 compliant and REACH unaffected. The main difference is the moisture sensitivity level: BC847BQCZ is MSL 1; BC847BQC-QZ is MSL 3.

Q: Does substitution affect electrical or thermal performance?
A: The substitute, BC847BQC-QZ, exactly matches all electrical and power ratings provided.

Q: Can BC847BQC-QZ be used in automotive applications?
A: Yes, BC847BQC-QZ is automotive grade and AEC-Q100 qualified. The BC847BQCZ part listing did not specify automotive grade.

Q: Is the substitute currently available and active?
A: Yes, BC847BQC-QZ is listed as active with available stock.

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