BC847C Equivalent & Substitute Parts

Part Overview

The BC847C is an NPN bipolar junction transistor manufactured by Taiwan Semiconductor Corporation, designed for general-purpose switching and amplification applications. This surface mount device operates at 45V maximum collector-emitter breakdown voltage with a maximum collector current of 100mA and 200mW power dissipation. The BC847C is classified as an Active product with full RoHS3 compliance and REACH unaffected status, making it suitable for modern electronic designs requiring environmental compliance.

Equivalent and substitute parts are necessary when the primary part number becomes unavailable, when alternative packaging formats are required for manufacturing processes, or when design specifications allow for compatible alternatives from different manufacturers that meet the same electrical and mechanical requirements.

Key Parameters

Parameter	Value	Unit
Transistor Type	NPN	—
Collector Current (Ic) Maximum	100	mA
Collector-Emitter Breakdown Voltage (Max)	45	V
Power Dissipation (Max)	200	mW
Transition Frequency	100	MHz
Operating Temperature Range	-55 to 150	°C
Package Type	SOT-23-3 (TO-236-3, SC-59)	—
Mounting Type	Surface Mount	—
RoHS Status	ROHS3 Compliant	—

Substitute Part Grouping Explanation

Substitution of the BC847C is determined by strict equivalence across the following critical parameters:

Electrical Equivalence Criteria:

Transistor type must be NPN
Collector current rating must be 100mA or greater
Collector-emitter breakdown voltage must be 45V or greater
Transition frequency must be 100MHz or greater
Operating temperature range must encompass -55°C to 150°C or be compatible with application requirements

Mechanical Equivalence Criteria:

Package must be SOT-23-3 (TO-236-3, SC-59) or compatible pinout equivalent
Mounting type must be surface mount
Pin configuration must be identical (Base, Collector, Emitter)

Compliance Criteria:

RoHS3 compliance required
REACH unaffected status required
Product status should be Active for new designs

Substitute parts are grouped into the following categories:

Parametric Equivalent: Parts with identical electrical specifications and packaging, differing only in packaging format (tape and reel versus bulk).

Similar/Compatible: Parts meeting all electrical and mechanical requirements with minor variations in secondary parameters such as power dissipation, saturation voltage, or DC current gain, provided these variations do not exceed application tolerances.

Parameter Comparison

Part Number	Manufacturer	Ic (Max) mA	Vce(br) V	Power mW	fT MHz	Temp Range °C	Package	Status	RoHS
BC847C	Taiwan Semiconductor	100	45	200	100	-55 to 150	SOT-23	Active	ROHS3
BC847C RFG	Taiwan Semiconductor	100	45	200	100	-55 to 150	SOT-23	Active	ROHS3
NSVMSD601-RT1G	onsemi	100	50	—	—	—	SC59-3	Active	ROHS3
2PD601ARL,215	Nexperia USA Inc.	100	50	250	100	—	TO-236AB	Active	ROHS3
BC847A,215	Nexperia USA Inc.	100	45	250	100	—	TO-236AB	Active	ROHS3
BC847ALT1G	onsemi	100	45	300	100	-55 to 150	SOT-23-3	Active	ROHS3
BC847A,215	Nexperia USA Inc.	100	45	250	100	—	TO-236AB	Active	ROHS3
BC847B,235	Nexperia USA Inc.	100	45	250	100	—	TO-236AB	Active	ROHS3
BC847B-TP	Micro Commercial Co	100	45	225	100	-55 to 150	SOT-23	Active	ROHS3
BC847BLT3G	onsemi	100	45	300	100	-55 to 150	SOT-23-3	Active	ROHS3
BC847BT116	Rohm Semiconductor	100	45	350	200	—	SST3	Not For New Designs	ROHS3
BC847CLT1G	onsemi	100	45	300	100	-55 to 150	SOT-23-3	Active	ROHS3

Engineering Selection Recommendations

Direct Parametric Equivalent:

BC847C RFG is the direct parametric equivalent to BC847C, differing only in packaging format (tape and reel). This part maintains identical electrical specifications and is suitable for direct substitution in applications where tape and reel packaging is compatible with manufacturing processes.

Active Product Alternatives:

The following parts are classified as Active products and are suitable for new designs:

BC847ALT1G (onsemi): Meets all electrical requirements with enhanced power dissipation (300mW versus 200mW) and full temperature range support (-55°C to 150°C). Compatible with SOT-23-3 package.
BC847B-TP (Micro Commercial Co): Meets all electrical requirements with slightly enhanced power dissipation (225mW) and full temperature range support. Compatible with SOT-23 package.
BC847BLT3G (onsemi): Meets all electrical requirements with enhanced power dissipation (300mW) and full temperature range support. Compatible with SOT-23-3 package.
BC847CLT1G (onsemi): Meets all electrical requirements with enhanced power dissipation (300mW), identical DC current gain (420 @ 2mA, 5V), and full temperature range support. Compatible with SOT-23-3 package.
BC847A,215 (Nexperia USA Inc.): Meets all electrical requirements with enhanced power dissipation (250mW). Automotive grade with AEC-Q101 qualification. Compatible with TO-236AB package.
BC847B,235 (Nexperia USA Inc.): Meets all electrical requirements with enhanced power dissipation (250mW) and DC current gain of 200 @ 2mA, 5V. Automotive grade with AEC-Q101 qualification. Compatible with TO-236AB package.
2PD601ARL,215 (Nexperia USA Inc.): Exceeds electrical requirements with 50V collector-emitter breakdown voltage and enhanced power dissipation (250mW). Automotive grade with AEC-Q101 qualification. Compatible with TO-236AB package.
NSVMSD601-RT1G (onsemi): Exceeds electrical requirements with 50V collector-emitter breakdown voltage. Compatible with SC59-3 package.

Obsolete or Restricted Products:

BC847BT116 (Rohm Semiconductor) is classified as "Not For New Designs" and should not be selected for new applications despite meeting electrical requirements.

Frequently Asked Questions (FAQ)

Q: Can BC847C RFG be used as a direct replacement for BC847C?

A: Yes. BC847C RFG is a parametric equivalent with identical electrical specifications. The only difference is packaging format (tape and reel versus bulk). Direct substitution is valid provided the manufacturing process accepts tape and reel packaging.

Q: What is the difference between BC847A, BC847B, and BC847C variants?

A: These variants differ in DC current gain (hFE) specifications. BC847C has minimum hFE of 420 @ 2mA, 5V. BC847B has minimum hFE of 200 @ 2mA, 5V. BC847A has minimum hFE of 110 @ 2mA, 5V. All three variants meet the same maximum electrical ratings and are electrically interchangeable in applications where the lower gain of BC847A or BC847B is acceptable.

Q: Are Nexperia BC847A,215 and BC847B,235 suitable replacements for Taiwan Semiconductor BC847C?

A: Yes, with considerations. Both Nexperia parts meet all electrical requirements and are automotive qualified (AEC-Q101). They use TO-236AB packaging instead of SOT-23, which is mechanically compatible but requires PCB layout verification. Power dissipation is enhanced (250mW versus 200mW), providing additional thermal margin.

Q: What is the advantage of onsemi BC847ALT1G or BC847CLT1G over the original BC847C?

A: Both onsemi parts provide enhanced power dissipation (300mW versus 200mW), offering improved thermal performance in high-current applications. BC847CLT1G maintains the identical DC current gain specification (420 @ 2mA, 5V) as BC847C. Both support the full operating temperature range (-55°C to 150°C).

Q: Can BC847BT116 be used in new designs?

A: No. BC847BT116 is classified as "Not For New Designs" by the manufacturer. While it meets electrical requirements and offers enhanced transition frequency (200MHz versus 100MHz), it should not be selected for new applications. Use BC847CLT1G or BC847ALT1G as alternatives if higher frequency performance is required.

Q: What is the difference between SOT-23 and TO-236AB packaging?

A: SOT-23 and TO-236AB are mechanically equivalent packages with identical pinout and footprint. Both are surface mount packages suitable for automated assembly. The designation difference reflects different naming conventions by manufacturers. Parts specified in either package are physically interchangeable on PCBs designed for SOT-23-3 or TO-236-3 footprints.

Q: Is NSVMSD601-RT1G a suitable replacement for BC847C?

A: NSVMSD601-RT1G exceeds BC847C specifications with 50V collector-emitter breakdown voltage (versus 45V) and is manufactured by onsemi. It is suitable for applications where the higher voltage rating provides additional design margin. However, complete electrical specifications are not fully documented in available data, requiring datasheet verification before selection.

Q: Why would I choose 2PD601ARL,215 over BC847C?

A: 2PD601ARL,215 offers higher collector-emitter breakdown voltage (50V versus 45V), enhanced power dissipation (250mW versus 200mW), and automotive qualification (AEC-Q101). These characteristics make it suitable for automotive applications or designs requiring additional electrical margin. It is manufactured by Nexperia USA Inc. and uses TO-236AB packaging.

Q: Are all listed substitute parts RoHS3 compliant?

A: Yes. All substitute parts listed are RoHS3 compliant and REACH unaffected, meeting modern environmental and regulatory requirements equivalent to the original BC847C.

Q: What should I verify before selecting a substitute part?

A: Verify the following before selection: (1) Electrical specifications meet or exceed application requirements, particularly collector current, breakdown voltage, and power dissipation; (2) Package type is compatible with PCB layout and manufacturing process; (3) Operating temperature range encompasses application environment; (4) Product status is Active for new designs; (5) Compliance certifications (RoHS3, REACH) match design requirements; (6) Availability and lead time meet project schedule.

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