BC846BW Equivalent & Substitute Parts

Part Overview

The BC846BW is an NPN bipolar junction transistor manufactured by Diotec Semiconductor, designed for general-purpose switching and amplification applications. This Surface Mount device operates at 65 V collector-emitter breakdown voltage with a maximum collector current of 100 mA and 200 mW power dissipation. The part is classified as Active product status with extensive inventory availability. Equivalent and substitute parts are identified to support design flexibility, supply chain continuity, and manufacturing options across multiple packaging formats and manufacturer sources.

Key Parameters

Parameter	Value	Unit
Transistor Type	NPN	—
Collector Current (Ic) Maximum	100	mA
Collector-Emitter Breakdown Voltage (Max)	65	V
Power Dissipation (Max)	200	mW
Transition Frequency	100	MHz
Package Type	SOT-323 (SC-70)	—
Mounting Type	Surface Mount	—
Operating Temperature Range	-55 to 150	°C

Substitute Part Grouping Explanation

Substitution eligibility for the BC846BW is determined by strict adherence to the following electrical and mechanical parameters:

Critical Matching Parameters:

Transistor Type: NPN
Collector Current (Ic) Maximum: 100 mA
Collector-Emitter Breakdown Voltage: 65 V
Power Dissipation: 200 mW
Transition Frequency: 100 MHz
Package/Case: SOT-323 (SC-70)
Mounting Type: Surface Mount

Secondary Variation Parameters:

DC Current Gain (hFE) at specified conditions
Vce Saturation voltage
Collector Cutoff Current (ICBO)
Operating Temperature maximum rating
Packaging format (Cut Tape vs. Tape & Reel)
Manufacturer source

All identified substitute parts maintain identical electrical ratings for the critical parameters. Variations in DC Current Gain (hFE), Vce Saturation, and ICBO are permitted within the BC846 device family specifications. Packaging format differences (Cut Tape & Digi-Reel versus Tape & Reel) do not affect electrical performance and are selected based on procurement and assembly requirements.

Parameter Comparison

Part Number	Manufacturer	Ic (Max) mA	Vce(br) V	hFE (Min) @ 2mA, 5V	Vce Sat (Max) mV	ICBO (Max) nA	Power mW	Freq MHz	Package	Packaging Format
BC846BW	Diotec Semiconductor	100	65	200	600	15	200	100	SOT-323	Cut Tape & Digi-Reel
BC846BW RFG	Taiwan Semiconductor Corporation	100	65	200	600	100	200	100	SOT-323	Tape & Reel
BC846AW RFG	Taiwan Semiconductor Corporation	100	65	110	600	100	200	100	SOT-323	Tape & Reel
BC846CW RFG	Taiwan Semiconductor Corporation	100	65	420	600	100	200	100	SOT-323	Tape & Reel
BC846W,115	Nexperia USA Inc.	100	65	110	400	15	200	100	SOT-323	Tape & Reel
BC846BW,115	Nexperia USA Inc.	100	65	200	400	15	200	100	SOT-323	Cut Tape & Digi-Reel
BC846BW,135	Nexperia USA Inc.	100	65	200	400	15	200	100	SOT-323	Cut Tape & Digi-Reel

Engineering Selection Recommendations

Direct Equivalent (Parametric Match): BC846BW,115 and BC846BW,135 from Nexperia USA Inc. are parametric equivalents with identical DC Current Gain specifications (hFE minimum 200 @ 2mA, 5V) and matching Collector-Emitter breakdown voltage. These parts feature improved Vce Saturation performance (400 mV versus 600 mV) and maintain identical ICBO specifications. Both are ROHS3 compliant with MSL 1 (Unlimited) rating and REACH Unaffected status. Packaging format selection between Cut Tape & Digi-Reel and Tape & Reel depends on assembly line requirements.

Functional Equivalent (Electrical Compatibility): BC846BW RFG from Taiwan Semiconductor Corporation maintains all critical electrical parameters with identical hFE minimum specification. This part is suitable for applications where the higher ICBO specification (100 nA versus 15 nA) does not impact circuit performance. ROHS3 compliance and MSL 1 rating are confirmed.

Gain-Variant Substitutes (BC846 Family): BC846AW RFG and BC846CW RFG from Taiwan Semiconductor Corporation provide alternative DC Current Gain specifications within the BC846 family. BC846AW RFG offers hFE minimum of 110, suitable for applications requiring lower gain. BC846CW RFG provides hFE minimum of 420 for high-gain applications. Both maintain identical voltage and current ratings with ROHS3 compliance.

Nexperia BC846W,115: This part provides hFE minimum of 110 with improved Vce Saturation (400 mV) and maintains low ICBO specification (15 nA). Selection is appropriate for applications prioritizing saturation voltage performance over gain specification.

All substitute parts are Active product status with confirmed inventory availability and full compliance certifications.

Frequently Asked Questions (FAQ)

Q: Can BC846BW,115 or BC846BW,135 be used as direct replacements for BC846BW?

A: Yes. Both Nexperia parts are parametric equivalents with identical DC Current Gain (hFE minimum 200 @ 2mA, 5V), Collector-Emitter breakdown voltage (65 V), and all critical electrical ratings. The primary difference is improved Vce Saturation performance (400 mV versus 600 mV), which benefits switching applications. Packaging format differences (Cut Tape & Digi-Reel) do not affect electrical performance.

Q: What is the difference between BC846BW RFG and BC846BW?

A: Both parts share identical critical electrical parameters including hFE minimum (200), Vce(br) (65 V), and power rating (200 mW). The BC846BW RFG from Taiwan Semiconductor Corporation has a higher ICBO specification (100 nA maximum versus 15 nA). The "RFG" designation indicates Tape & Reel packaging format. Selection depends on leakage current requirements and packaging format compatibility with assembly equipment.

Q: Are BC846AW RFG and BC846CW RFG suitable substitutes?

A: These parts are functionally compatible within the BC846 family but feature different DC Current Gain specifications. BC846AW RFG provides hFE minimum of 110 (lower gain), while BC846CW RFG provides hFE minimum of 420 (higher gain). Both maintain identical voltage and current ratings. Selection depends on circuit design requirements for gain characteristics. All critical electrical parameters (Ic, Vce(br), power, frequency) remain constant across the family.

Q: What is the significance of the ",115" and ",135" suffixes on Nexperia parts?

A: These suffixes indicate packaging tape specifications and reel configurations used by Nexperia for Cut Tape & Digi-Reel format. They do not affect electrical performance or device functionality. Selection between these variants is based on procurement and assembly line compatibility requirements.

Q: Can I substitute BC846W,115 for BC846BW?

A: BC846W,115 is functionally compatible with lower DC Current Gain (hFE minimum 110 versus 200) and improved Vce Saturation (400 mV versus 600 mV). This part is suitable for applications where the lower gain specification does not impact circuit performance. All critical voltage, current, and frequency parameters remain identical.

Q: Are all substitute parts RoHS compliant?

A: All identified substitute parts are ROHS3 compliant. The original BC846BW from Diotec Semiconductor lists RoHS status as "Not applicable." All Nexperia and Taiwan Semiconductor Corporation variants confirm ROHS3 compliance with MSL 1 (Unlimited) moisture sensitivity rating.

Q: What packaging formats are available?

A: The BC846BW is available in Cut Tape (CT) & Digi-Reel format. Substitute parts are available in both Cut Tape & Digi-Reel (Nexperia BC846BW,115 and BC846BW,135) and Tape & Reel (TR) formats (Taiwan Semiconductor Corporation and Nexperia BC846W,115 variants). Selection depends on assembly equipment compatibility and procurement requirements.

Q: Do all parts operate across the same temperature range?

A: The original BC846BW and Taiwan Semiconductor Corporation variants operate from -55°C to 150°C. Nexperia parts specify maximum operating temperature of 150°C. All parts are suitable for industrial temperature range applications. Specific application requirements should determine final selection.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message