BAS40-04HMFHT116 Equivalent & Substitute Parts Reference

Part Overview

The BAS40-04HMFHT116 from Rohm Semiconductor is a Schottky diode array, category Diodes, Rectifiers, featuring a 1 Pair Series Connection configuration, 40 V maximum DC reverse voltage, and average rectified current of 120mA (DC) per diode. It is AEC-Q101 automotive-qualified with a junction operating temperature up to 150°C, supplied in a surface-mount TO-236-3, SC-59, SOT-23-3 package.

Identifying alternative models is necessary to accommodate variations in sourcing, packaging formats, inventory availability, and manufacturer preferences. Only substitutes with strictly matching key parameters and compliance standards are considered for direct replacement.

Key Parameters

Parameter	Value
Manufacturer Part Number	BAS40-04HMFHT116
Manufacturer	Rohm Semiconductor
Category	Diodes, Rectifiers
Description	DIODE ARR SCHOTT 40V 120MA SSD3
Diode Configuration	1 Pair Series Connection
Technology	Schottky
Voltage - DC Reverse (Vr) (Max)	40 V
Current - Average Rectified (Io) (per Diode)	120mA (DC)
Voltage - Forward (Vf) (Max) @ If	1 V @ 40 mA
Current - Reverse Leakage @ Vr	10 µA @ 40 V
Operating Temperature - Junction	150°C (Max)
Grade	Automotive
Qualification	AEC-Q101
Mounting Type	Surface Mount
Package / Case	TO-236-3, SC-59, SOT-23-3
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)
REACH Status	REACH Unaffected
Product Status	Active

Substitute Part Grouping Explanation

Substitute parts are identified strictly by matching the following key electrical and mechanical parameters:

Diode array configuration: 1 Pair Series Connection
Schottky technology
Maximum DC reverse voltage: 40 V
Average rectified current per diode: 120mA (DC)
Maximum forward voltage: 1 V @ 40 mA
Reverse leakage current: ≤ 10 µA @ 40 V
Junction temperature rating: 150°C (Max)
Automotive qualification (AEC-Q101 or equivalent)
Mounting type: Surface Mount
Package compatibility: TO-236-3, SC-59, SOT-23-3
RoHS Status: ROHS3 Compliant
Moisture Sensitivity Level: 1 (Unlimited)
REACH and ECCN compliance status

These criteria ensure equivalent electrical performance, package interchangeability, and compliance with automotive and environmental standards.

Parameter Comparison

Parameter	BAS40-04HMFHT116 (Rohm)	BAS40-04HYFHT116 (Rohm)	BAS40-04HYT116 (Rohm)	BAS40-04-7-F (Diodes Inc.)	BAS40-04,215 (Nexperia)	BAS40-04,235 (Nexperia)	BAS40-04LT1G (onsemi)	SBAS40-04LT1G (onsemi)
Diode Configuration	1 Pair Series	1 Pair Series	1 Pair Series	1 Pair Series	1 Pair Series	1 Pair Series	1 Pair Series	1 Pair Series
Technology	Schottky	Schottky	Schottky	Schottky	Schottky	Schottky	Schottky	Schottky
Max DC Reverse Voltage (Vr)	40 V	40 V	40 V	40 V	40 V	40 V	40 V	40 V
Avg. Rectified Current (Io)	120mA	120mA	120mA	200mA	120mA	120mA	120mA	120mA
Max Forward Voltage (Vf) @ If	1 V @ 40 mA	1 V @ 40 mA	1 V @ 40 mA	1 V @ 40 mA	1 V @ 40 mA	1 V @ 40 mA	1 V @ 40 mA	1 V @ 40 mA
Reverse Leakage Current	10 µA @ 40 V	10 µA @ 40 V	10 µA @ 40 V	200 nA @ 30 V	10 µA @ 40 V	10 µA @ 40 V	1 µA @ 25 V	1 µA @ 25 V
Operating Temp. (Junction)	150°C (Max)	150°C	150°C	-55°C ~ 125°C	150°C (Max)	150°C (Max)	-55°C ~ 150°C	-55°C ~ 150°C
Grade / Qualification	Automotive, AEC-Q101	Automotive, AEC-Q101	Automotive, AEC-Q101	-	Automotive, AEC-Q100	Automotive, AEC-Q100	-	Automotive, AEC-Q101
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount
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	TO-236-3, SC-59, SOT-23-3	TO-236-3, SC-59, SOT-23-3	TO-236-3, SC-59, SOT-23-3	TO-236-3, SC-59, SOT-23-3	TO-236-3, SC-59, SOT-23-3
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
MSL	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
REACH Status	REACH Unaffected	REACH Unaffected	REACH Unaffected	REACH Unaffected	REACH Unaffected	REACH Unaffected	REACH Unaffected	REACH Unaffected
Product Status	Active	Active	Active	Active	Active	Active	Active	Active

Engineering Selection Recommendations

Equivalent and substitute parts listed above hold an active product status and conform to ROHS3 and REACH environmental compliance. Automotive qualification is present where specified. All substitutes are surface-mount and support TO-236-3, SC-59, SOT-23-3 package types. Select according to matched qualification, inventory preference, and packaging format as provided.

Frequently Asked Questions (FAQ)

Q1: What criteria determine an acceptable substitute for BAS40-04HMFHT116?
A1: Acceptable substitutes must match the electrical parameters (configuration, technology, voltage, current ratings, forward voltage drop, and leakage current), mechanical requirements (surface-mount and listed package types), and certification standards (ROHS3, REACH, automotive qualification).

Q2: Do all substitute parts fit the same footprint?
A2: All listed substitutes are compatible with TO-236-3, SC-59, and SOT-23-3 surface-mount packages as specified.

Q3: Is automotive qualification consistent across substitutes?
A3: Most substitutes provide automotive qualification (AEC-Q101 or AEC-Q100) as specified. Selection should match application certification requirements.

Q4: Can reverse leakage current or operating temperature impact selection?
A4: Substitute parts must have reverse leakage current and junction temperature ratings that meet or exceed the original part specification, as shown in the comparison table.

Q5: Are substitute parts compliant with RoHS and REACH?
A5: All listed substitutes are ROHS3 compliant and REACH unaffected based on provided parameters.

Q6: What is the importance of MSL level in selection?
A6: Moisture Sensitivity Level 1 (Unlimited) indicates all substitutes are suitable for standard reflow and handling conditions, matching the main part's rating.

Q7: How are different qualification standards handled (AEC-Q101 vs. AEC-Q100)?
A7: Both AEC-Q101 and AEC-Q100 are referenced with automotive grade substitutes; selection may be based on project qualification requirements if specified.

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