ABAS16-HF Equivalent & Substitute Parts

Part Overview

The ABAS16-HF is a general-purpose rectifier diode manufactured by Comchip Technology, rated for 75 V DC reverse voltage and 150 mA average rectified current in a surface mount SOT-23-3 package. This component is classified as Active product status and carries automotive-grade qualification under AEC-Q101. The ABAS16-HF is suitable for applications requiring small-signal switching and general rectification in compact form factors.

Substitute parts are identified based on matching electrical specifications and mechanical compatibility. Alternative sources provide equivalent performance characteristics while maintaining the same package footprint and thermal operating range.

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 V @ 150 mA	V
Reverse Recovery Time (trr)	4	ns
Current - Reverse Leakage @ Vr	1	µA @ 75 V
Capacitance @ Vr, F	4	pF @ 0V, 1MHz
Package / Case	TO-236-3, SC-59, SOT-23-3	—
Operating Temperature - Junction	-55 to 150	°C
Mounting Type	Surface Mount	—
Grade	Automotive	—
Qualification	AEC-Q101	—
RoHS Status	ROHS3 Compliant	—

Substitute Part Grouping Explanation

Substitute parts for the ABAS16-HF are qualified based on the following critical parameters:

Electrical Equivalence Criteria:

Voltage - DC Reverse (Vr) (Max): 75 V
Current - Average Rectified (Io): 150 mA or higher
Voltage - Forward (Vf) (Max) @ If: 1.25 V @ 150 mA or lower
Operating Temperature - Junction: -55°C to 150°C minimum

Mechanical Compatibility Criteria:

Package / Case: TO-236-3, SC-59, SOT-23-3
Mounting Type: Surface Mount
Supplier Device Package: SOT-23-3 or SOT-23

Compliance Criteria:

RoHS Status: ROHS3 Compliant
Technology: Standard

Substitute parts are grouped into two categories:

Category 1: Automotive-Grade Equivalents (AEC-Q101 Qualified) These parts maintain automotive qualification and are suitable for applications requiring automotive-grade components. Parts in this category include BAS16-HE3-08, BAS16-HE3-18, and MMBD4148-AU_R1_000A1.

Category 2: Standard-Grade Equivalents These parts meet all electrical and mechanical specifications but do not carry automotive qualification. Parts in this category include BAS16-E3-08, BAS16-E3-18, BAS16-G3-08, and MMBD4148.

Parameter Comparison

Part Number	Manufacturer	Vr (Max) [V]	Io [mA]	Vf (Max) @ If [V]	trr [ns]	Ir @ Vr [µA]	Package	Product Status	Grade	AEC-Q101
ABAS16-HF	Comchip Technology	75	150	1.25 @ 150 mA	4	1 @ 75 V	SOT-23-3	Active	Automotive	Yes
BAS16-E3-08	Vishay General Semiconductor	75	150	1.25 @ 150 mA	6	1 @ 75 V	SOT-23-3	Active	Standard	No
BAS16-E3-18	Vishay General Semiconductor	75	150	1.25 @ 150 mA	6	1 @ 75 V	SOT-23-3	Active	Standard	No
BAS16-G3-08	Vishay General Semiconductor	75	150	1.25 @ 150 mA	6	1 @ 75 V	SOT-23-3	Active	Standard	No
BAS16-HE3-08	Vishay General Semiconductor	75	150	1.25 @ 150 mA	6	1 @ 75 V	SOT-23-3	Last Time Buy	Automotive	Yes
BAS16-HE3-18	Vishay General Semiconductor	75	150	1.25 @ 150 mA	6	1 @ 75 V	SOT-23-3	Last Time Buy	Automotive	Yes
MMBD4148	Taiwan Semiconductor Corporation	75	200	1 @ 10 mA	4	5 @ 75 V	SOT-23-3	Active	Standard	No
MMBD4148-AU_R1_000A1	Panjit International Inc.	75	150	1.25 @ 150 mA	4	2.5 @ 75 V	SOT-23-3	Active	Automotive	Yes
MMBD4148_R1_00001	Panjit International Inc.	75	150	1.25 @ 150 mA	4	2.5 @ 75 V	SOT-23-3	Active	Standard	No

Engineering Selection Recommendations

For Automotive Applications Requiring AEC-Q101 Qualification:

Select BAS16-HE3-08 or BAS16-HE3-18 (Vishay General Semiconductor) or MMBD4148-AU_R1_000A1 (Panjit International Inc.). These parts maintain automotive-grade classification and AEC-Q101 qualification equivalent to the ABAS16-HF. Note that BAS16-HE3-08 and BAS16-HE3-18 carry Last Time Buy status, indicating limited future availability. MMBD4148-AU_R1_000A1 is Active status with automotive qualification and is suitable for long-term production requirements.

For Standard Industrial Applications:

BAS16-E3-08, BAS16-E3-18, or BAS16-G3-08 (Vishay General Semiconductor) provide full electrical and mechanical equivalence without automotive qualification. These parts are Active status and offer high inventory availability. MMBD4148_R1_00001 (Panjit International Inc.) is also suitable for standard applications with Active status.

For Applications with Higher Current Tolerance:

MMBD4148 (Taiwan Semiconductor Corporation) supports 200 mA average rectified current, exceeding the 150 mA specification of the ABAS16-HF. This part is suitable for applications where additional current margin is beneficial. However, reverse leakage current is specified at 5 µA compared to 1 µA for the ABAS16-HF.

Packaging Considerations:

All substitute parts are available in Tape & Reel (TR) or Cut Tape (CT) & Digi-Reel® packaging. Verify packaging format requirements for your procurement and assembly processes. BAS16-E3-08 is available in Cut Tape & Digi-Reel® format, while other substitutes are supplied in Tape & Reel format.

Frequently Asked Questions (FAQ)

Q: Can BAS16-E3-08 replace ABAS16-HF in automotive applications?

A: BAS16-E3-08 meets all electrical and mechanical specifications for the ABAS16-HF. However, it does not carry AEC-Q101 automotive qualification. Use BAS16-E3-08 only in non-automotive applications or where automotive qualification is not required. For automotive applications, select BAS16-HE3-08, BAS16-HE3-18, or MMBD4148-AU_R1_000A1.

Q: What is the difference between BAS16-E3-18 and BAS16-E3-08?

A: Both parts are electrically identical with matching voltage, current, and thermal specifications. The difference is packaging format: BAS16-E3-18 is supplied in Tape & Reel (TR) format, while BAS16-E3-08 is available in Cut Tape (CT) & Digi-Reel® format. Select based on your assembly equipment and procurement requirements.

Q: Why do BAS16-HE3-08 and BAS16-HE3-18 show Last Time Buy status?

A: Last Time Buy status indicates that the manufacturer has announced end-of-life for these parts. Existing inventory is available, but future production is not planned. For new designs or long-term production, select Active status alternatives such as MMBD4148-AU_R1_000A1 or BAS16-E3-08.

Q: Can MMBD4148 be used as a direct replacement for ABAS16-HF?

A: MMBD4148 meets the 75 V reverse voltage and SOT-23-3 package requirements. However, it is rated for 200 mA average rectified current compared to 150 mA for the ABAS16-HF. Additionally, reverse leakage current is specified at 5 µA versus 1 µA. MMBD4148 is suitable for applications where higher current capacity is acceptable and leakage current variation is tolerable.

Q: Are all substitute parts RoHS3 compliant?

A: Yes, all substitute parts listed are ROHS3 Compliant. All parts meet environmental compliance requirements equivalent to the ABAS16-HF.

Q: What is the difference between MMBD4148-AU_R1_000A1 and MMBD4148_R1_00001?

A: Both parts are manufactured by Panjit International Inc. with identical electrical specifications. MMBD4148-AU_R1_000A1 carries automotive-grade classification and AEC-Q101 qualification, while MMBD4148_R1_00001 is standard-grade. Select MMBD4148-AU_R1_000A1 for automotive applications and MMBD4148_R1_00001 for standard industrial applications.

Q: How does reverse recovery time affect substitution?

A: The ABAS16-HF specifies 4 ns reverse recovery time. Most Vishay BAS16 variants specify 6 ns, which is slightly longer. MMBD4148 variants specify 4 ns, matching the ABAS16-HF. For applications sensitive to switching speed, MMBD4148 variants provide closer performance matching. For general rectification applications, the 6 ns specification is functionally equivalent.

Q: What inventory levels are available for each substitute?

A: Inventory availability varies by part number. BAS16-HE3-08 has the highest inventory at 50,200 pieces. MMBD4148 has 275,300 pieces available. BAS16-E3-08 has 20,300 pieces. Verify current inventory with your supplier before finalizing procurement decisions.

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