BAW156VL Equivalent & Substitute Parts

Part Overview

The BAW156VL is a general-purpose diode array manufactured by Nexperia USA Inc., configured as a 1 Pair Common Anode device in a Surface Mount TO-236-3 (SC-59, SOT-23-3) package. This component is rated for 75 V DC reverse voltage and 160 mA average rectified current per diode, with a maximum forward voltage of 1.25 V at 150 mA. The part carries Automotive grade qualification (AEC-Q100) and is ROHS3 compliant. The BAW156VL maintains Active product status with substantial inventory availability. Equivalent and substitute parts are identified based on matching electrical specifications, package compatibility, and automotive qualification requirements.

Key Parameters

Parameter	Value
Diode Configuration	1 Pair Common Anode
Voltage - DC Reverse (Vr) (Max)	75 V
Current - Average Rectified (Io) (per Diode)	160 mA (DC)
Voltage - Forward (Vf) (Max) @ If	1.25 V @ 150 mA
Reverse Recovery Time (trr)	3 µs
Current - Reverse Leakage @ Vr	5 nA @ 75 V
Operating Temperature - Junction (Max)	150°C
Package / Case	TO-236-3, SC-59, SOT-23-3
Mounting Type	Surface Mount
Grade	Automotive
Qualification	AEC-Q100
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitute parts for the BAW156VL are classified into two categories based on parametric alignment:

Parametric Equivalent: Parts that match all critical electrical and mechanical specifications, allowing direct substitution without circuit redesign.

Similar Manufacturer Part: Parts that share the same package and diode configuration but exhibit variations in one or more electrical parameters, requiring engineering evaluation for application compatibility.

The substitution logic is based on the following key parameters:

Diode Configuration (1 Pair Common Anode)
Package / Case (TO-236-3, SC-59, SOT-23-3)
Mounting Type (Surface Mount)
Voltage - DC Reverse (Vr) (Max)
Current - Average Rectified (Io) (per Diode)
Voltage - Forward (Vf) (Max) @ If
Operating Temperature - Junction range
Automotive Grade and AEC-Q100 Qualification (where applicable)

Parameter Comparison

Parameter	BAW156VL (Main Part)	BAW156,215 (Parametric Equivalent)	BAW56LT1G (Similar Manufacturer Part)
Manufacturer	Nexperia USA Inc.	Nexperia USA Inc.	onsemi
Diode Configuration	1 Pair Common Anode	1 Pair Common Anode	1 Pair Common Anode
Voltage - DC Reverse (Vr) (Max)	75 V	75 V	70 V
Current - Average Rectified (Io) (per Diode)	160 mA (DC)	160 mA (DC)	200 mA (DC)
Voltage - Forward (Vf) (Max) @ If	1.25 V @ 150 mA	1.25 V @ 150 mA	1.25 V @ 150 mA
Reverse Recovery Time (trr)	3 µs	3 µs	6 ns
Current - Reverse Leakage @ Vr	5 nA @ 75 V	5 nA @ 75 V	2.5 µA @ 70 V
Operating Temperature - Junction	150°C (Max)	150°C (Max)	-55°C ~ 150°C
Package / Case	TO-236-3, SC-59, SOT-23-3	TO-236-3, SC-59, SOT-23-3	TO-236-3, SC-59, SOT-23-3
Mounting Type	Surface Mount	Surface Mount	Surface Mount
Grade	Automotive	Automotive	Not specified
Qualification	AEC-Q100	AEC-Q100	Not specified
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant

Engineering Selection Recommendations

BAW156,215 (Parametric Equivalent): This part is a direct parametric equivalent to the BAW156VL. Both parts are manufactured by Nexperia USA Inc., share identical electrical specifications, and carry Automotive grade with AEC-Q100 qualification. The BAW156,215 is suitable for direct substitution in applications where the BAW156VL is specified. Both parts maintain ROHS3 compliance and unlimited moisture sensitivity level (MSL 1).

BAW56LT1G (Similar Manufacturer Part): This part shares the same package and diode configuration as the BAW156VL but is manufactured by onsemi. The BAW56LT1G exhibits the following parameter variations: DC reverse voltage is rated at 70 V (5 V lower than BAW156VL), average rectified current is rated at 200 mA (40 mA higher than BAW156VL), reverse recovery time is 6 ns (significantly faster than the 3 µs of BAW156VL), and reverse leakage current is 2.5 µA at 70 V (higher than the 5 nA at 75 V of BAW156VL). The BAW56LT1G does not carry specified Automotive grade or AEC-Q100 qualification. This part is suitable for applications where the lower reverse voltage rating and higher reverse leakage are acceptable, and automotive qualification is not required.

Frequently Asked Questions (FAQ)

Q: Can BAW156,215 be used as a direct replacement for BAW156VL?

A: Yes. The BAW156,215 is a parametric equivalent with identical electrical specifications, package configuration, and automotive qualifications. Direct substitution is supported without circuit modification.

Q: What are the key differences between BAW156VL and BAW56LT1G?

A: The BAW56LT1G differs in three primary areas: (1) DC reverse voltage is 70 V versus 75 V, (2) average rectified current is 200 mA versus 160 mA, and (3) reverse recovery time is 6 ns versus 3 µs. Additionally, the BAW56LT1G does not carry Automotive grade or AEC-Q100 qualification. These differences must be evaluated against application requirements before substitution.

Q: Is the BAW56LT1G suitable for automotive applications?

A: The BAW56LT1G does not carry Automotive grade or AEC-Q100 qualification. Applications requiring automotive qualification must use BAW156VL or BAW156,215.

Q: Are all three parts compatible with the same PCB footprint?

A: Yes. All three parts use the TO-236-3 (SC-59, SOT-23-3) Surface Mount package and share identical footprint requirements.

Q: What is the significance of the reverse recovery time difference between BAW156VL and BAW56LT1G?

A: The BAW156VL has a reverse recovery time of 3 µs, while the BAW56LT1G has 6 ns. The BAW56LT1G exhibits faster switching characteristics. Applications sensitive to switching speed must account for this parameter difference.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. BAW156VL, BAW156,215, and BAW56LT1G are all ROHS3 compliant with unlimited moisture sensitivity level (MSL 1).

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