NSVBAS16WT3G Equivalent & Substitute Parts

Part Overview

The NSVBAS16WT3G is a general-purpose rectifier diode manufactured by onsemi, rated for 100 V DC reverse voltage and 200 mA average rectified current in a surface mount SC-70 (SOT-323) package. This component is classified as Last Time Buy, indicating discontinued production with limited inventory availability. Identification of equivalent and substitute parts is necessary to ensure design continuity and procurement flexibility for applications requiring this diode specification or compatible alternatives.

Key Parameters

Parameter	Value	Unit
Voltage - DC Reverse (Vr) (Max)	100	V
Current - Average Rectified (Io)	200	mA
Voltage - Forward (Vf) (Max) @ If	1.25 @ 200 mA	V
Reverse Recovery Time (trr)	6	ns
Current - Reverse Leakage @ Vr	1	µA @ 100 V
Package / Case	SC-70, SOT-323	—
Mounting Type	Surface Mount	—
Operating Temperature - Junction	-55 to 150	°C
Grade	Automotive	—
Qualification	AEC-Q101	—
RoHS Status	ROHS3 Compliant	—

Substitute Part Grouping Explanation

Substitution of the NSVBAS16WT3G is determined by the following critical parameters:

Mandatory Compatibility Criteria:

Voltage - DC Reverse (Vr) (Max): Must equal or exceed 100 V
Current - Average Rectified (Io): Must equal or exceed 200 mA
Package / Case: Must be SC-70 or SOT-323
Mounting Type: Must be Surface Mount
Operating Temperature Range: Must encompass -55°C to 150°C

Acceptable Variation Parameters:

Voltage - Forward (Vf): Variations within typical diode specifications are acceptable
Reverse Recovery Time (trr): Faster recovery times are acceptable; slower times require application verification
Current - Reverse Leakage: Lower leakage currents are acceptable; higher leakage requires application verification
Capacitance: Variations are acceptable for general-purpose applications
Packaging Format: Cut Tape, Tape & Reel, and bulk packaging are interchangeable for component selection

Compliance Considerations:

RoHS3 compliance is required for all substitutes
Automotive grade and AEC-Q101 qualification are preferred for automotive applications but not mandatory for general-purpose substitution

Parameter Comparison

Parameter	NSVBAS16WT3G	SBAS16WT1G	BAS16WT1G	BAS19WT-TP	BAS19WTHE3-TP
Manufacturer	onsemi	onsemi	onsemi	Micro Commercial Co	Micro Commercial Co
Voltage - DC Reverse (Vr) (Max)	100 V	75 V	100 V	100 V	100 V
Current - Average Rectified (Io)	200 mA	200 mA	200 mA	200 mA	200 mA
Voltage - Forward (Vf) (Max) @ If	1.25 V @ 200 mA	1.25 V @ 150 mA	1.25 V @ 150 mA	1.25 V @ 200 mA	1.25 V @ 200 mA
Reverse Recovery Time (trr)	6 ns	6 ns	6 ns	50 ns	50 ns
Current - Reverse Leakage @ Vr	1 µA @ 100 V	1 µA @ 75 V	1 µA @ 75 V	100 nA @ 100 V	100 nA @ 100 V
Package / Case	SC-70, SOT-323	SC-70, SOT-323	SC-70, SOT-323	SC-70, SOT-323	SC-70, SOT-323
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount
Operating Temperature - Junction	-55 to 150°C	-55 to 150°C	-55 to 150°C	-55 to 150°C	-55 to 150°C
Product Status	Last Time Buy	Active	Active	Active	Active
Grade	Automotive	—	—	—	Automotive
Qualification	AEC-Q101	—	—	—	AEC-Q101
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant

Engineering Selection Recommendations

BAS16WT1G (onsemi)

BAS16WT1G is a parametric equivalent to NSVBAS16WT3G with identical voltage and current ratings. Both components share the same 100 V reverse voltage, 200 mA current capacity, and 6 ns reverse recovery time. BAS16WT1G maintains active product status with significantly higher inventory availability (43,700 units) compared to the Last Time Buy NSVBAS16WT3G. This part is suitable for direct substitution in applications where the onsemi BAS16 series is preferred. Packaging is available in Cut Tape and Digi-Reel formats.

BAS19WTHE3-TP (Micro Commercial Co)

BAS19WTHE3-TP provides parametric equivalence with automotive grade and AEC-Q101 qualification matching the original NSVBAS16WT3G. This part maintains 100 V reverse voltage and 200 mA current ratings with identical forward voltage characteristics. The primary difference is a longer reverse recovery time of 50 ns compared to 6 ns in the original part. BAS19WTHE3-TP is suitable for automotive applications requiring AEC-Q101 compliance. Inventory availability is 6,941 units.

BAS19WT-TP (Micro Commercial Co)

BAS19WT-TP offers parametric equivalence with 100 V reverse voltage and 200 mA current capacity. This part does not carry automotive grade or AEC-Q101 qualification. The reverse recovery time is 50 ns, and reverse leakage current is 100 nA at 100 V. BAS19WT-TP is suitable for general-purpose applications where automotive qualification is not required. Inventory availability is 711 units.

SBAS16WT1G (onsemi)

SBAS16WT1G is a manufacturer-recommended substitute with reduced voltage rating of 75 V maximum reverse voltage. This part is suitable only for applications where the circuit operates at 75 V or below. SBAS16WT1G shares the same 200 mA current capacity, 6 ns reverse recovery time, and SC-70 package. This part has the highest inventory availability at 22,580 units and active product status. Use only when circuit voltage requirements do not exceed 75 V.

Frequently Asked Questions (FAQ)

Q: Can SBAS16WT1G replace NSVBAS16WT3G in all applications?

A: No. SBAS16WT1G has a maximum reverse voltage rating of 75 V, while NSVBAS16WT3G is rated for 100 V. SBAS16WT1G is suitable only for circuits operating at 75 V or below. For circuits requiring 100 V operation, use BAS16WT1G, BAS19WT-TP, or BAS19WTHE3-TP.

Q: What is the difference between BAS19WT-TP and BAS19WTHE3-TP?

A: Both parts have identical electrical ratings of 100 V reverse voltage and 200 mA current. The primary difference is that BAS19WTHE3-TP carries automotive grade designation and AEC-Q101 qualification, while BAS19WT-TP does not. For automotive applications, BAS19WTHE3-TP is the appropriate selection.

Q: Does reverse recovery time affect substitution compatibility?

A: Reverse recovery time differences must be evaluated based on application requirements. NSVBAS16WT3G, SBAS16WT1G, and BAS16WT1G all have 6 ns recovery time. BAS19WT-TP and BAS19WTHE3-TP have 50 ns recovery time. Faster recovery times (6 ns) are generally preferred in high-frequency switching applications. Applications operating at lower frequencies typically tolerate the longer 50 ns recovery time.

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

A: No. NSVBAS16WT3G and BAS16WT1G are available in SC-70-3 (SOT323) packages with different tape formats. SBAS16WT1G, BAS19WT-TP, and BAS19WTHE3-TP are supplied in Tape & Reel format. All parts use the same SC-70 or SOT-323 physical package suitable for surface mount assembly.

Q: Which substitute part has the best inventory availability?

A: BAS16WT1G has the highest inventory at 43,700 units, followed by SBAS16WT1G at 22,580 units. For immediate procurement needs, BAS16WT1G is the recommended selection among active products.

Q: Is RoHS3 compliance maintained across all substitute parts?

A: Yes. All substitute parts listed (SBAS16WT1G, BAS16WT1G, BAS19WT-TP, and BAS19WTHE3-TP) are ROHS3 compliant, matching the original NSVBAS16WT3G specification.

Q: Can BAS16WT1G be used as a direct replacement for NSVBAS16WT3G?

A: Yes. BAS16WT1G is a parametric equivalent with identical 100 V reverse voltage, 200 mA current rating, 6 ns reverse recovery time, and SC-70 package. The primary advantage is active product status with significantly higher inventory availability.

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