BAS16W-7 Equivalent & Substitute Parts

Part Overview

The BAS16W-7 is a general-purpose rectifier diode manufactured by Diodes Incorporated, rated for 75V DC reverse voltage and 150mA average rectified current in a SOT-323 surface mount package. This component is classified as Active product status and is ROHS3 compliant with unlimited moisture sensitivity level (MSL 1). The BAS16W-7 is supplied in Cut Tape (CT) and Digi-Reel® packaging formats.

Equivalent and substitute parts are identified to support design flexibility, supply chain continuity, and manufacturing alternatives while maintaining electrical and mechanical compatibility within specified parameter tolerances.

Key Parameters

Parameter	Value	Unit
Voltage - DC Reverse (Vr) (Max)	75	V
Current - Average Rectified (Io)	150	mA
Voltage - Forward (Vf) (Max) @ If	1.25 @ 150	V @ mA
Reverse Recovery Time (trr)	4	ns
Current - Reverse Leakage @ Vr	1	µA @ 75 V
Capacitance @ Vr, F	2	pF @ 0V, 1MHz
Package / Case	SC-70, SOT-323	—
Operating Temperature - Junction	-65 to 150	°C
RoHS Status	ROHS3 Compliant	—
Moisture Sensitivity Level (MSL)	1 (Unlimited)	—

Substitute Part Grouping Explanation

Substitute parts for the BAS16W-7 are classified into two categories based on electrical parameter alignment:

Direct Substitutes (Identical Electrical Specifications): Parts that match all critical electrical parameters: 75V reverse voltage, 150mA average rectified current, 1.25V forward voltage at 150mA, 4ns reverse recovery time, and SOT-323 package. These parts are interchangeable at the circuit level with no design modifications required.

Similar Substitutes (Compatible Within Tolerance): Parts that exceed one or more electrical specifications while maintaining the same package form factor and core functionality. These parts operate within the same application space but with enhanced ratings or different recovery characteristics. Substitution is valid when the application does not require the exact original specification.

Key Parameters Determining Substitution Eligibility:

Voltage - DC Reverse (Vr) (Max): Must equal or exceed 75V
Current - Average Rectified (Io): Must equal or exceed 150mA
Package / Case: Must be SOT-323 or compatible surface mount equivalent
Mounting Type: Surface Mount required
RoHS Status: ROHS3 Compliant required
Moisture Sensitivity Level: MSL 1 required

Parameter Comparison

Part Number	Manufacturer	Vr (Max) [V]	Io [mA]	Vf (Max) @ If [V @ mA]	trr [ns]	Ir @ Vr [µA @ V]	Package	Temp Range [°C]	Packaging Format
BAS16W-7	Diodes Incorporated	75	150	1.25 @ 150	4	1 @ 75	SOT-323	-65 to 150	Cut Tape (CT) & Digi-Reel®
BAS16W-7-F	Diodes Incorporated	75	150	1.25 @ 150	4	1 @ 75	SOT-323	-65 to 150	Tape & Reel (TR)
MMBD4148WT-TP	Micro Commercial Co	75	150	1.25 @ 150	4	1 @ 75	SOT-323	-55 to 150	Tape & Reel (TR)
BAS116LT1G	onsemi	75	200	1.25 @ 150	3	5 nA @ 75	SOT-23-3	-55 to 150	Tape & Reel (TR)
SBAS116LT1G	onsemi	75	200	1.25 @ 150	3	5 nA @ 75	SOT-23-3	-55 to 150	Tape & Reel (TR)
BAS16W,115	Nexperia USA Inc.	100	175	1.25 @ 150	4	500 nA @ 80	SOT-323	-65 to 150	Tape & Reel (TR)
BAS16WT1G	onsemi	100	200	1.25 @ 150	6	1 @ 75	SOT-323	-55 to 150	Cut Tape (CT) & Digi-Reel®
MMBD4448WT-TP	Micro Commercial Co	75	250	1.25 @ 150	4	2.5 @ 75	SOT-323	-55 to 150	Tape & Reel (TR)

Engineering Selection Recommendations

Direct Substitutes (Recommended for Pin-Compatible Replacement):

BAS16W-7-F is the primary direct substitute, manufactured by Diodes Incorporated with identical electrical specifications. The only difference is packaging format (Tape & Reel versus Cut Tape & Digi-Reel®). This part maintains the same temperature range (-65°C to 150°C) and is suitable for direct circuit substitution.

MMBD4148WT-TP, manufactured by Micro Commercial Co, provides direct electrical equivalence with identical voltage, current, and recovery time specifications. The operating temperature range is -55°C to 150°C, which is narrower than the original part. This part is suitable for applications not requiring the extended low-temperature performance of the BAS16W-7.

Similar Substitutes (Compatible with Enhanced Ratings):

BAS16W,115 (Nexperia USA Inc.) exceeds the original specifications with 100V reverse voltage and 175mA current rating while maintaining SOT-323 package compatibility. This part includes AEC-Q101 automotive qualification and is suitable for applications requiring higher voltage margin. The operating temperature range matches the original (-65°C to 150°C).

BAS16WT1G (onsemi) provides 100V reverse voltage and 200mA current rating in SOT-323 package. The reverse recovery time is 6ns (versus 4ns for the original), which may affect high-frequency switching performance. This part is available in Cut Tape & Digi-Reel® packaging matching the original format.

MMBD4448WT-TP (Micro Commercial Co) offers 75V reverse voltage with enhanced 250mA current rating in SOT-323 package. This part is classified as Fast Recovery (≤500ns, >200mA) and is suitable for applications requiring higher current capacity.

Package Considerations:

BAS116LT1G and SBAS116LT1G (both onsemi) use SOT-23-3 (TO-236) package instead of SOT-323. These parts are not pin-compatible and require PCB layout modification. Both provide 75V/200mA ratings with improved reverse leakage characteristics (5nA versus 1µA). Substitution requires design review and board rework.

Compliance and Certification:

All substitute parts maintain ROHS3 compliance and MSL 1 (Unlimited) moisture sensitivity level, matching the original BAS16W-7. All parts are classified as Active product status. BAS16W,115 includes AEC-Q101 automotive qualification, providing additional assurance for automotive applications.

Frequently Asked Questions (FAQ)

Q: Can BAS16W-7-F be used as a direct replacement for BAS16W-7?

A: Yes. BAS16W-7-F is manufactured by Diodes Incorporated with identical electrical specifications (75V, 150mA, 4ns recovery time, SOT-323 package). The only difference is packaging format (Tape & Reel versus Cut Tape & Digi-Reel®). No circuit modifications are required.

Q: What is the difference between BAS16W-7 and MMBD4148WT-TP?

A: Both parts have identical electrical specifications: 75V reverse voltage, 150mA current, 1.25V forward voltage, and 4ns recovery time in SOT-323 package. MMBD4148WT-TP is manufactured by Micro Commercial Co and has a narrower operating temperature range (-55°C to 150°C versus -65°C to 150°C). For applications operating below -55°C, the original BAS16W-7 is required.

Q: Can I use BAS16WT1G instead of BAS16W-7?

A: BAS16WT1G is compatible but with enhanced specifications: 100V reverse voltage (versus 75V) and 200mA current (versus 150mA). The reverse recovery time is 6ns (versus 4ns), which may affect high-frequency switching circuits. For applications sensitive to switching speed, verify performance before substitution. Both use SOT-323 package and are available in Cut Tape & Digi-Reel® format.

Q: Why would I choose MMBD4448WT-TP over BAS16W-7?

A: MMBD4448WT-TP provides higher current capacity (250mA versus 150mA) while maintaining 75V reverse voltage and SOT-323 package. This part is classified as Fast Recovery and is suitable for applications requiring higher current handling. Both parts have 4ns recovery time and identical forward voltage characteristics.

Q: Are BAS116LT1G and SBAS116LT1G pin-compatible with BAS16W-7?

A: No. BAS116LT1G and SBAS116LT1G use SOT-23-3 (TO-236) package, which has different pinout and physical dimensions compared to SOT-323. These parts require PCB layout modification and cannot be used as direct drop-in replacements. However, they provide 75V/200mA ratings with superior reverse leakage characteristics (5nA versus 1µA).

Q: What is the temperature range difference between BAS16W-7 and substitute parts?

A: BAS16W-7 operates from -65°C to 150°C. MMBD4148WT-TP, BAS116LT1G, SBAS116LT1G, and MMBD4448WT-TP operate from -55°C to 150°C (10°C narrower at the low end). BAS16W-7-F and BAS16W,115 match the original -65°C to 150°C range. For applications requiring extended low-temperature operation, verify substitute part specifications.

Q: Is BAS16W,115 suitable for automotive applications?

A: Yes. BAS16W,115 is manufactured by Nexperia USA Inc. and includes AEC-Q101 automotive qualification. It provides enhanced specifications (100V reverse voltage, 175mA current) in SOT-323 package with -65°C to 150°C operating range, making it suitable for automotive circuit designs.

Q: What does "Fast Recovery" mean for MMBD4448WT-TP?

A: Fast Recovery indicates reverse recovery time specification of ≤500ns for currents >200mA. MMBD4448WT-TP has 4ns recovery time and 250mA current rating, making it suitable for high-frequency switching applications. This classification distinguishes it from standard small-signal diodes and indicates suitability for faster switching circuits.

Q: Can I mix packaging formats (Cut Tape versus Tape & Reel) in production?

A: Packaging format selection depends on manufacturing equipment and assembly process. BAS16W-7 is supplied in Cut Tape & Digi-Reel®, while BAS16W-7-F is supplied in Tape & Reel. Both contain identical components; the difference is in handling and feeding method. Verify compatibility with your assembly equipment before substitution.

Q: What does MSL 1 (Unlimited) mean?

A: MSL 1 (Moisture Sensitivity Level 1) with Unlimited designation indicates the component has no moisture sensitivity restrictions. These parts do not require special moisture-controlled storage or handling procedures and can be stored under standard conditions indefinitely without baking requirements before soldering.

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