BC817-25/SNVL Equivalent & Substitute Parts

Part Overview

The BC817-25/SNVL is an NPN bipolar junction transistor manufactured by Nexperia USA Inc., designed for general-purpose switching and amplification applications. This device operates at a maximum collector current of 500 mA with a collector-emitter breakdown voltage of 45 V and a maximum power dissipation of 250 mW. The part is housed in a TO-236AB (SOT-23-3) surface mount package.

The BC817-25/SNVL is classified as obsolete, which necessitates identification of equivalent and substitute components for ongoing design support and procurement. Active alternatives with identical or superior electrical characteristics are available from multiple manufacturers, ensuring design continuity and supply chain flexibility.

Key Parameters

Parameter	Value	Unit
Transistor Type	NPN	—
Current - Collector (Ic) Max	500	mA
Voltage - Collector Emitter Breakdown (Max)	45	V
Vce Saturation (Max) @ Ib, Ic	700 mV @ 50 mA, 500 mA	—
Current - Collector Cutoff (Max)	100	nA
DC Current Gain (hFE) Min @ Ic, Vce	160 @ 100 mA, 1 V	—
Power - Max	250	mW
Frequency - Transition	100	MHz
Operating Temperature (TJ)	150	°C
Mounting Type	Surface Mount	—
Package / Case	TO-236-3, SC-59, SOT-23-3	—
RoHS Status	ROHS3 Compliant	—
Moisture Sensitivity Level (MSL)	1 (Unlimited)	—

Substitute Part Grouping Explanation

Substitute parts for the BC817-25/SNVL are classified into two categories based on electrical and mechanical compatibility:

Direct Manufacturer Substitutes (Nexperia USA Inc.)

These parts maintain identical electrical specifications and package configurations. Substitution is based on matching the following critical parameters:

Collector current (Ic Max): 500 mA
Collector-emitter breakdown voltage: 45 V
Vce saturation: 700 mV @ 50 mA, 500 mA
DC current gain (hFE): 160 @ 100 mA, 1 V
Power dissipation: 250 mW
Transition frequency: 100 MHz
Package: TO-236-3 / SOT-23-3

Parametric Equivalents (Alternative Manufacturers)

These parts provide identical electrical performance with potential variations in product status, qualification level, or packaging format. All maintain the core electrical specifications required for functional equivalence.

Similar Parts (Enhanced Performance)

The SBCW66GLT1G from onsemi provides enhanced current handling (800 mA vs. 500 mA) and power dissipation (300 mW vs. 250 mW) while maintaining the same voltage rating and package form factor. This part is suitable for applications requiring higher current capacity within the same thermal envelope.

Parameter Comparison

Part Number	Manufacturer	Ic Max (mA)	Vce Breakdown (V)	Power Max (mW)	hFE Min @ 100mA, 1V	Package	Product Status	Qualification
BC817-25/SNVL	Nexperia USA Inc.	500	45	250	160	TO-236AB	Obsolete	—
BC817-25,235	Nexperia USA Inc.	500	45	250	160	TO-236AB	Active	AEC-Q101
BC817-25,215	NXP USA Inc.	500	45	250	160	SOT-23	Active	AEC-Q101
BC817-25-QR	Nexperia USA Inc.	500	45	250	160	TO-236AB	Active	AEC-Q101
BC817-25-QVL	Nexperia USA Inc.	500	45	250	160	TO-236AB	Active	AEC-Q101
BC817K-25R	Nexperia USA Inc.	500	45	250	160	TO-236AB	Active	AEC-Q100
BC817K-25VL	Nexperia USA Inc.	500	45	250	160	TO-236AB	Active	AEC-Q100
SBCW66GLT1G	onsemi	800	45	300	160	SOT-23-3	Active	AEC-Q101
GSBC817-25	Good-Ark Semiconductor	500	45	250	160	SOT-23	Active	—

Engineering Selection Recommendations

Primary Substitutes (Direct Replacement)

BC817-25,235, BC817-25-QR, and BC817-25-QVL are direct substitutes manufactured by Nexperia USA Inc. with active product status. These parts are identical to the obsolete BC817-25/SNVL in all electrical parameters and package configuration. BC817-25,235 is available in the highest quantity (100,040 pcs) and carries AEC-Q101 automotive qualification. BC817-25-QR and BC817-25-QVL are qualified to AEC-Q101 and AEC-Q101 respectively, suitable for automotive and industrial applications.

Alternative Qualified Substitutes

BC817K-25R and BC817K-25VL are manufactured by Nexperia USA Inc. with AEC-Q100 automotive qualification. These parts provide identical electrical performance and are suitable for applications requiring automotive-grade components. BC817K-25VL has lower inventory (727 pcs) compared to BC817K-25R (3,764 pcs).

Cross-Manufacturer Equivalent

GSBC817-25 from Good-Ark Semiconductor provides parametric equivalence with identical electrical specifications. This part is available in SOT-23 package format and carries RoHS3 compliance. No automotive qualification is specified for this part.

Enhanced Performance Alternative

SBCW66GLT1G from onsemi provides superior current handling capability (800 mA vs. 500 mA) and increased power dissipation rating (300 mW vs. 250 mW) while maintaining the 45 V breakdown voltage and 100 MHz transition frequency. This part is suitable for applications requiring higher current capacity and carries AEC-Q101 automotive qualification. The SOT-23-3 package is mechanically compatible with the original TO-236AB specification.

Selection Criteria

For direct replacement in existing designs, BC817-25,235 is recommended due to active status, high availability, and AEC-Q101 qualification. For automotive applications requiring enhanced current capacity, SBCW66GLT1G provides superior performance within the same package footprint. For applications with specific automotive qualification requirements, BC817K-25R or BC817K-25VL provide AEC-Q100 certification.

Frequently Asked Questions (FAQ)

Q: Can BC817-25,235 be used as a direct replacement for BC817-25/SNVL?

A: Yes. BC817-25,235 is electrically and mechanically identical to BC817-25/SNVL. Both parts share identical collector current (500 mA), breakdown voltage (45 V), saturation voltage (700 mV @ 50 mA, 500 mA), DC current gain (160 @ 100 mA, 1 V), power dissipation (250 mW), and transition frequency (100 MHz). Both use the TO-236AB package. BC817-25,235 is active and carries AEC-Q101 qualification.

Q: What is the difference between BC817-25-QR and BC817-25-QVL?

A: Both parts are manufactured by Nexperia USA Inc. and share identical electrical specifications and TO-236AB packaging. The primary difference is inventory availability: BC817-25-QR has 18,672 pcs in stock, while BC817-25-QVL has 662 pcs. Both carry AEC-Q101 automotive qualification and RoHS3 compliance.

Q: Is SBCW66GLT1G a suitable substitute for BC817-25/SNVL?

A: SBCW66GLT1G is a similar part with enhanced specifications. It maintains the 45 V breakdown voltage and 100 MHz transition frequency but provides higher collector current (800 mA vs. 500 mA) and power dissipation (300 mW vs. 250 mW). The SOT-23-3 package is mechanically compatible with TO-236AB. This part is suitable for applications requiring higher current capacity within the same thermal envelope.

Q: What is the difference between AEC-Q100 and AEC-Q101 qualification?

A: Both are automotive qualification standards. AEC-Q100 applies to discrete semiconductors, while AEC-Q101 applies to optoelectronic devices. For BJT transistors, both qualifications indicate automotive-grade reliability. BC817K-25R and BC817K-25VL carry AEC-Q100 qualification, while BC817-25-QR and BC817-25-QVL carry AEC-Q101 qualification.

Q: Can GSBC817-25 be used in automotive applications?

A: GSBC817-25 provides identical electrical specifications to BC817-25/SNVL and carries RoHS3 compliance. However, no automotive qualification (AEC-Q100 or AEC-Q101) is specified for this part. For automotive applications, use BC817-25,235, BC817-25-QR, BC817-25-QVL, BC817K-25R, or BC817K-25VL instead.

Q: Are all substitute parts available in the same package?

A: Most substitutes use TO-236AB or SOT-23-3 packages, which are mechanically equivalent. BC817-25,215 and GSBC817-25 are specified in SOT-23 package format. All three package designations (TO-236-3, SC-59, SOT-23-3) refer to the same physical form factor and are interchangeable for PCB assembly purposes.

Q: What is the inventory status for each substitute part?

A: BC817-25,235 has the highest availability (100,040 pcs). BC817-25,215 has 1,000,400 pcs. SBCW66GLT1G has 24,400 pcs. BC817-25-QR has 18,672 pcs. GSBC817-25 has 7,071 pcs. BC817K-25R has 3,764 pcs. BC817K-25VL has 727 pcs. BC817-25-QVL has 662 pcs.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All substitute parts listed carry RoHS3 compliance. All parts also have Moisture Sensitivity Level (MSL) 1 (Unlimited) and REACH Unaffected status.

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