BC847C/SNR Equivalent & Substitute Parts Reference

Part Overview

The BC847C/SNR is an NPN bipolar junction transistor manufactured by Nexperia USA Inc., designed for general-purpose switching and amplification applications. This device operates at 45 V collector-emitter breakdown voltage with a maximum collector current of 100 mA and transition frequency of 100 MHz. The part is classified as obsolete, which necessitates identification of active equivalent and substitute components for ongoing design support and procurement.

Key Parameters

Parameter	Value	Unit
Transistor Type	NPN	—
Voltage - Collector Emitter Breakdown (Max)	45	V
Current - Collector (Ic) (Max)	100	mA
Vce Saturation (Max) @ Ib, Ic	400 mV @ 5 mA, 100 mA	—
Current - Collector Cutoff (Max)	15	nA
DC Current Gain (hFE) (Min) @ Ic, Vce	420 @ 2 mA, 5 V	—
Power - Max	250	mW
Frequency - Transition	100	MHz
Operating Temperature (TJ)	150	°C
Package / Case	TO-236-3, SC-59, SOT-23-3	—
Mounting Type	Surface Mount	—
Grade	Automotive	—
Qualification	AEC-Q101	—
RoHS Status	ROHS3 Compliant	—
Moisture Sensitivity Level (MSL)	1 (Unlimited)	—

Substitute Part Grouping Explanation

Substitution of the BC847C/SNR is determined by strict equivalence across the following electrical and mechanical parameters:

Primary Substitution Criteria:

Transistor Type: NPN
Voltage - Collector Emitter Breakdown (Max): 45 V
Current - Collector (Ic) (Max): 100 mA
DC Current Gain (hFE) (Min) @ Ic, Vce: 420 @ 2 mA, 5 V
Power - Max: 250 mW
Frequency - Transition: 100 MHz
Package / Case: TO-236-3, SC-59, SOT-23-3
Mounting Type: Surface Mount
Operating Temperature (TJ): 150 °C

Secondary Considerations:

Vce Saturation (Max) @ Ib, Ic
Current - Collector Cutoff (Max)
Product Status (Active vs. Obsolete)
Compliance certifications (AEC-Q101, RoHS3)

Substitute parts are grouped into two categories:

Direct Equivalents (Nexperia USA Inc.): Parts with identical electrical specifications and packaging, differing only in packaging format (Cut Tape, Tape & Reel, or device package designation). These include BC847C,215; BC847C,235; BC847C-QR; BC847C-QVL; BC847C/DG/B4R; and BC847C/DG/B4VL.

Parametric Equivalents (Nexperia USA Inc.): BC850C,215 and BC850C,235 maintain all critical electrical parameters but exhibit higher Vce Saturation (600 mV vs. 400 mV @ 5 mA, 100 mA). This difference is within acceptable tolerance for most switching applications.

Similar Parts (Alternative Manufacturers): BC847A-7-F and BC847B-7-F (Diodes Incorporated) provide equivalent voltage and current ratings with enhanced frequency performance (300 MHz vs. 100 MHz) and higher power dissipation (300 mW vs. 250 mW). These parts exhibit lower DC current gain (110–200 vs. 420) and extended operating temperature range (−65 °C to 150 °C).

Parameter Comparison

Part Number	Manufacturer	Product Status	Ic (Max) mA	Vce Breakdown (Max) V	hFE (Min) @ 2mA, 5V	Vce Sat (Max) mV	fT MHz	Power mW	Package	Packaging Format
BC847C/SNR	Nexperia USA Inc.	Obsolete	100	45	420	400	100	250	TO-236-3	—
BC847C,215	Nexperia USA Inc.	Active	100	45	420	400	100	250	TO-236-3	Cut Tape & Digi-Reel
BC847C,235	Nexperia USA Inc.	Active	100	45	420	400	100	250	TO-236-3	Tape & Reel
BC847C-QR	Nexperia USA Inc.	Active	100	45	420	400	100	250	TO-236-3	Tape & Reel
BC847C-QVL	Nexperia USA Inc.	Active	100	45	420	400	100	250	TO-236-3	Tape & Reel
BC847C/DG/B4R	Nexperia USA Inc.	Active	100	45	420	400	100	250	TO-236-3	—
BC847C/DG/B4VL	Nexperia USA Inc.	Active	100	45	420	400	100	250	TO-236-3	—
BC850C,215	Nexperia USA Inc.	Active	100	45	420	600	100	250	TO-236-3	Cut Tape & Digi-Reel
BC850C,235	Nexperia USA Inc.	Active	100	45	420	600	100	250	TO-236-3	Tape & Reel
BC847A-7-F	Diodes Incorporated	Active	100	45	110	600	300	300	SOT-23-3	Tape & Reel
BC847B-7-F	Diodes Incorporated	Active	100	45	200	600	300	300	SOT-23-3	Cut Tape & Digi-Reel

Engineering Selection Recommendations

For Direct Replacement (Identical Electrical Performance):

Select BC847C,215, BC847C,235, BC847C-QR, BC847C-QVL, BC847C/DG/B4R, or BC847C/DG/B4VL. All are manufactured by Nexperia USA Inc. and maintain full electrical equivalence to the obsolete BC847C/SNR. These parts carry AEC-Q101 automotive qualification and ROHS3 compliance. Selection among these variants depends on packaging format availability: Cut Tape & Digi-Reel (BC847C,215), Tape & Reel (BC847C,235, BC847C-QR, BC847C-QVL), or unspecified format (BC847C/DG/B4R, BC847C/DG/B4VL). All operate at 150 °C maximum junction temperature and maintain MSL 1 moisture sensitivity rating.

For Parametric Equivalence (Higher Vce Saturation):

BC850C,215 and BC850C,235 are suitable where the increased Vce Saturation (600 mV vs. 400 mV) does not compromise circuit performance. These parts maintain identical voltage, current, gain, and frequency specifications. Both carry AEC-Q101 qualification and ROHS3 compliance. Selection depends on packaging format: Cut Tape & Digi-Reel (BC850C,215) or Tape & Reel (BC850C,235).

For Enhanced Performance (Alternative Manufacturer):

BC847A-7-F and BC847B-7-F (Diodes Incorporated) offer superior transition frequency (300 MHz vs. 100 MHz) and higher power dissipation (300 mW vs. 250 mW). These parts are suitable for applications requiring higher switching speed. However, they exhibit significantly lower DC current gain (110–200 vs. 420), which may require circuit redesign in gain-dependent applications. Both parts support extended operating temperature range (−65 °C to 150 °C) and maintain ROHS3 compliance. BC847A-7-F is available in Tape & Reel; BC847B-7-F is available in Cut Tape & Digi-Reel format.

Frequently Asked Questions (FAQ)

Q: Can BC847C,215 be used as a direct replacement for BC847C/SNR?

A: Yes. BC847C,215 is electrically identical to BC847C/SNR across all specified parameters: 45 V breakdown voltage, 100 mA maximum collector current, 420 minimum DC current gain, 400 mV maximum Vce saturation, 100 MHz transition frequency, and 250 mW power dissipation. The primary difference is packaging format (Cut Tape & Digi-Reel vs. unspecified). Both are AEC-Q101 qualified and ROHS3 compliant.

Q: What is the difference between BC847C and BC850C variants?

A: BC847C and BC850C differ in Vce Saturation specification. BC847C exhibits 400 mV maximum Vce saturation at 5 mA base current and 100 mA collector current, while BC850C exhibits 600 mV under identical conditions. All other electrical parameters—voltage, current, gain, frequency, and power—are identical. BC850C is suitable for applications where higher saturation voltage is acceptable.

Q: Are Diodes Incorporated BC847A-7-F and BC847B-7-F compatible with Nexperia BC847C/SNR?

A: These parts are compatible in terms of voltage and current ratings but exhibit significant differences in DC current gain and transition frequency. BC847A-7-F and BC847B-7-F provide 300 MHz transition frequency (vs. 100 MHz) and 300 mW power dissipation (vs. 250 mW), but deliver only 110–200 minimum DC current gain (vs. 420). Applications dependent on high current gain require circuit redesign. These parts are suitable for high-speed switching applications where gain requirements are lower.

Q: What does the packaging designation difference mean (Cut Tape vs. Tape & Reel)?

A: Cut Tape (CT) & Digi-Reel and Tape & Reel (TR) refer to supply format only. Cut Tape provides individual component strips suitable for manual assembly or small-volume pick-and-place operations. Tape & Reel provides continuous reel format optimized for high-volume automated assembly. Electrical performance and component specifications are identical; selection depends on manufacturing process requirements.

Q: Are all substitute parts AEC-Q101 qualified?

A: All Nexperia USA Inc. variants (BC847C,215; BC847C,235; BC847C-QR; BC847C-QVL; BC847C/DG/B4R; BC847C/DG/B4VL; BC850C,215; BC850C,235) carry AEC-Q101 automotive qualification. Diodes Incorporated parts (BC847A-7-F and BC847B-7-F) do not list AEC-Q101 qualification in the provided specifications. For automotive applications requiring AEC-Q101 compliance, select only Nexperia variants.

Q: Can BC847C-QVL be used in place of BC847C-QR?

A: Yes. Both BC847C-QVL and BC847C-QR are manufactured by Nexperia USA Inc. and maintain identical electrical specifications. Both are part of the BC847x-Q series, carry AEC-Q101 qualification, and are available in Tape & Reel format. Selection between these variants depends on specific procurement or supply chain requirements; electrical performance is equivalent.

Q: What is the significance of the "-QVL" and "-QR" designations?

A: These designations indicate qualification or supply chain variants within Nexperia's product line. Both BC847C-QVL and BC847C-QR are part of the BC847x-Q series and maintain identical electrical specifications. The designations reflect internal Nexperia classification but do not affect functional performance or compatibility.

Q: Is the BC847C/SNR still available for procurement?

A: BC847C/SNR is classified as obsolete. However, 1,085 pieces are listed as new original in stock. For ongoing procurement, direct equivalents such as BC847C,215 (31,630 pieces), BC847C,235 (109,071 pieces), or BC847C-QR (25,060 pieces) are recommended, as these are active products with significantly higher inventory availability.

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