BC817-QVL Equivalent & Substitute Parts

Part Overview

The BC817-QVL is an NPN bipolar junction transistor manufactured by Nexperia USA Inc., designed for general-purpose switching and amplification applications. This surface mount device operates at 45 V collector-emitter breakdown voltage with a maximum collector current of 500 mA and 250 mW power dissipation. The part is qualified to AEC-Q101 automotive standards and carries Active product status. Substitute parts are identified based on matching electrical characteristics, mechanical compatibility, and compliance certifications to ensure direct functional replacement in circuit designs.

Key Parameters

Parameter	Value	Unit
Transistor Type	NPN	—
Collector Current (Max)	500	mA
Collector-Emitter Breakdown Voltage (Max)	45	V
Vce Saturation (Max)	700	mV @ 50mA, 500mA
Collector Cutoff Current (Max)	100	nA
DC Current Gain (hFE Min)	100	@ 100mA, 1V
Power Dissipation (Max)	250	mW
Transition Frequency	100	MHz
Operating Temperature (Max)	150	°C
Package Type	TO-236-3 (SOT-23-3)	—
Mounting Type	Surface Mount	—
RoHS Status	ROHS3 Compliant	—
Moisture Sensitivity Level	1 (Unlimited)	—

Substitute Part Grouping Explanation

Substitute parts for the BC817-QVL are classified into two categories based on parametric equivalence and manufacturer qualification:

Parametric Equivalents (Direct Substitutes): Parts that match all critical electrical parameters including collector current (500 mA), collector-emitter breakdown voltage (45 V), DC current gain (100 @ 100mA, 1V), power dissipation (250 mW), transition frequency (100 MHz), and package configuration (TO-236-3/SOT-23-3). These parts maintain identical functional performance and are interchangeable at the circuit level.

Similar Parts (Functional Alternatives): Parts that meet the same electrical specifications but may differ in secondary parameters such as power dissipation rating (300 mW vs. 250 mW) or manufacturer qualification level (AEC-Q100 vs. AEC-Q101). These parts function equivalently in most applications but require design review for specific thermal or automotive qualification requirements.

The substitution logic is based strictly on the following parameters:

Transistor type (NPN)
Maximum collector current (500 mA)
Collector-emitter breakdown voltage (45 V)
DC current gain minimum (100 @ 100mA, 1V)
Package type (TO-236-3/SOT-23-3)
Surface mount configuration
RoHS3 compliance
Moisture sensitivity level (1)

Parameter Comparison

Part Number	Manufacturer	Ic (Max) mA	Vce(br) V	Vce Sat mV	hFE (Min)	Power mW	Freq MHz	Package	Qualification	Packaging Type
BC817-QVL	Nexperia USA Inc.	500	45	700 @ 50mA, 500mA	100 @ 100mA, 1V	250	100	TO-236-3	AEC-Q101	Tape & Reel
BC817,215	Nexperia USA Inc.	500	45	700 @ 50mA, 500mA	100 @ 100mA, 1V	250	100	TO-236-3	AEC-Q101	Cut Tape & Digi-Reel
BC817,235	Nexperia USA Inc.	500	45	700 @ 50mA, 500mA	100 @ 100mA, 1V	250	100	TO-236-3	AEC-Q101	Tape & Reel
BC817-16,215	Nexperia USA Inc.	500	45	700 @ 50mA, 500mA	100 @ 100mA, 1V	250	100	TO-236-3	AEC-Q101	Cut Tape & Digi-Reel
BC817-16,235	Nexperia USA Inc.	500	45	700 @ 50mA, 500mA	100 @ 100mA, 1V	250	100	TO-236-3	AEC-Q101	Tape & Reel
BC817-16-QR	Nexperia USA Inc.	500	45	700 @ 50mA, 500mA	100 @ 100mA, 1V	250	100	TO-236-3	AEC-Q101	Tape & Reel
BC817-QR	Nexperia USA Inc.	500	45	700 @ 50mA, 500mA	100 @ 100mA, 1V	250	100	TO-236-3	AEC-Q101	Tape & Reel
BC817K-16R	Nexperia USA Inc.	500	45	700 @ 50mA, 500mA	100 @ 100mA, 1V	250	100	TO-236-3	AEC-Q100	Tape & Reel
BCX19,215	Nexperia USA Inc.	500	45	620 @ 50mA, 500mA	100 @ 100mA, 1V	250	100	TO-236-3	AEC-Q101	Cut Tape & Digi-Reel
BCX19,235	Nexperia USA Inc.	500	45	620 @ 50mA, 500mA	100 @ 100mA, 1V	250	100	TO-236-3	AEC-Q101	Tape & Reel
BC817-16 RFG	Taiwan Semiconductor Corporation	500	45	700 @ 50mA, 500mA	100 @ 100mA, 1V	300	100	TO-236-3	Not Specified	Tape & Reel

Engineering Selection Recommendations

Direct Substitution (Parametric Equivalents): The following parts are fully equivalent to BC817-QVL and provide direct substitution with no circuit modifications required:

BC817,215 (Nexperia USA Inc., AEC-Q101, Cut Tape & Digi-Reel packaging)
BC817,235 (Nexperia USA Inc., AEC-Q101, Tape & Reel packaging)
BC817-16,215 (Nexperia USA Inc., AEC-Q101, Cut Tape & Digi-Reel packaging)
BC817-16,235 (Nexperia USA Inc., AEC-Q101, Tape & Reel packaging)
BC817-16-QR (Nexperia USA Inc., AEC-Q101, Tape & Reel packaging)
BC817-QR (Nexperia USA Inc., AEC-Q101, Tape & Reel packaging)

All these parts maintain identical electrical specifications, automotive qualification (AEC-Q101), RoHS3 compliance, and TO-236-3 package configuration. Selection among these options is based on packaging format availability (Tape & Reel vs. Cut Tape & Digi-Reel) and inventory requirements.

Qualified Alternative (AEC-Q100): The BC817K-16R (Nexperia USA Inc.) meets all electrical parameters but carries AEC-Q100 qualification instead of AEC-Q101. This part is suitable for applications where AEC-Q100 certification is acceptable.

Functional Alternative with Lower Saturation Voltage: The BCX19,215 and BCX19,235 (Nexperia USA Inc., AEC-Q101) provide improved saturation voltage performance (620 mV vs. 700 mV) while maintaining all other electrical specifications. These parts are suitable for applications requiring lower saturation voltage characteristics.

Similar Part (Different Manufacturer): The BC817-16 RFG (Taiwan Semiconductor Corporation) matches all electrical specifications and power rating (300 mW vs. 250 mW) but is from a different manufacturer and lacks specified automotive qualification. This part is suitable for non-automotive applications or where manufacturer diversity is required.

Frequently Asked Questions (FAQ)

Q: Can BC817,215 be used as a direct replacement for BC817-QVL?

A: Yes. BC817,215 is a parametric equivalent with identical electrical specifications (500 mA collector current, 45 V breakdown voltage, 100 MHz transition frequency, 250 mW power dissipation) and AEC-Q101 automotive qualification. The only difference is packaging format (Cut Tape & Digi-Reel vs. Tape & Reel). Direct substitution is valid at the circuit level.

Q: What is the difference between BC817-QVL and BC817K-16R?

A: Both parts share identical electrical specifications and TO-236-3 package configuration. The primary difference is automotive qualification: BC817-QVL carries AEC-Q101 certification while BC817K-16R carries AEC-Q100 certification. For automotive applications requiring AEC-Q101, BC817-QVL is the specified choice. BC817K-16R is suitable for applications where AEC-Q100 is acceptable.

Q: Why would I choose BCX19,235 over BC817-QVL?

A: BCX19,235 provides lower saturation voltage (620 mV vs. 700 mV) while maintaining all other electrical parameters. This characteristic is beneficial in applications where reduced voltage drop across the transistor is required for improved efficiency or signal integrity. Both parts maintain AEC-Q101 qualification and identical package configuration.

Q: Are all substitute parts available in the same packaging options?

A: No. BC817-QVL is supplied in Tape & Reel format. Equivalent parts are available in both Tape & Reel (BC817,235; BC817-16,235; BC817-16-QR; BC817-QR; BC817K-16R; BCX19,235) and Cut Tape & Digi-Reel formats (BC817,215; BC817-16,215; BCX19,215). Selection depends on assembly equipment and procurement requirements.

Q: Can BC817-16 RFG from Taiwan Semiconductor Corporation replace BC817-QVL?

A: BC817-16 RFG matches all electrical specifications and provides higher power dissipation rating (300 mW vs. 250 mW). However, it is manufactured by Taiwan Semiconductor Corporation rather than Nexperia USA Inc. and lacks specified automotive qualification. This part is suitable for non-automotive applications or where manufacturer diversity is required. For automotive applications requiring AEC-Q101 certification, Nexperia USA Inc. parts are specified.

Q: What does AEC-Q101 qualification mean?

A: AEC-Q101 is the Automotive Electronics Council qualification standard for discrete semiconductors. It specifies reliability and quality requirements for components used in automotive applications. Parts carrying AEC-Q101 certification meet stringent testing and performance standards for automotive environments.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All listed substitute parts carry ROHS3 compliance status, matching the BC817-QVL specification. All parts also maintain Moisture Sensitivity Level 1 (Unlimited) rating.

Q: Can I mix different substitute parts in the same production run?

A: Yes, provided all parts meet your circuit requirements. All parametric equivalents (BC817,215; BC817,235; BC817-16,215; BC817-16,235; BC817-16-QR; BC817-QR) are fully interchangeable at the circuit level. If using BCX19 variants or BC817K-16R, confirm that the specific electrical characteristics (saturation voltage or qualification level) are acceptable for your application.

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