BAS21HMFHT116 Equivalent & Substitute Parts Reference

Part Overview

The BAS21HMFHT116, manufactured by Rohm Semiconductor, is a surface-mount, general-purpose rectifier diode rated for 200 V reverse voltage and 200 mA forward current. It features a standard recovery time and is qualified for automotive (AEC-Q101) applications. The device is RoHS3 compliant and supplied in the SSD3 (TO-236-3, SC-59, SOT-23-3) package. Engineers may require direct equivalents or substitutes for the BAS21HMFHT116 due to supply chain management, inventory optimization, cross-brand sourcing, or qualification needs.

Key Parameters

Parameter	Value
Manufacturer Part Number	BAS21HMFHT116
Category	Diodes, Rectifiers
Voltage - DC Reverse (Vr) (Max)	200 V
Current - Average Rectified (Io)	200mA
Voltage - Forward (Vf) (Max) @ If	1.25 V @ 200 mA
Reverse Recovery Time (trr)	50 ns
Current - Reverse Leakage @ Vr	100 nA @ 200 V
Capacitance @ Vr, F	2.5pF @ 0V, 1MHz
Grade / Qualification	Automotive / AEC-Q101
Mounting Type	Surface Mount
Package / Case	TO-236-3, SC-59, SOT-23-3 (SSD3)
Operating Temperature - Junction	150°C (Max)
RoHS Status	ROHS3 Compliant
Product Status	Active
Moisture Sensitivity Level	1 (Unlimited)
REACH Status	REACH Unaffected
ECCN	EAR99

Substitute Part Grouping Explanation

Substitute diodes for the BAS21HMFHT116 are grouped strictly by comparison of the following explicit key parameters: Voltage - DC Reverse (Vr), Current - Average Rectified (Io), Voltage - Forward (Vf) (Max) @ If, Reverse Recovery Time (trr), Current - Reverse Leakage @ Vr, Capacitance @ Vr, F, qualification (Automotive/AEC-Q101), mounting type, package/case, RoHS status, operating temperature, and product status. Only parts matching or exceeding these parameters are considered suitable substitutes.

Parameter Comparison

Parameter	BAS21HMFHT116 Rohm Semiconductor	BAS21HYFHT116 Rohm Semiconductor	MMBD1504A onsemi	BAS21,215 Nexperia USA Inc.	BAS21,235 Nexperia USA Inc.
Category	Diodes, Rectifiers	Diodes, Rectifiers	Diodes, Rectifiers	Diodes, Rectifiers	Diodes, Rectifiers
Voltage - DC Reverse (Vr) (Max)	200 V	200 V	200 V	200 V	200 V
Current - Average Rectified (Io)	200mA	200mA	200mA (per diode)	200mA	200mA
Voltage - Forward (Vf) (Max) @ If	1.25 V @ 200 mA	1.25 V @ 200 mA	1.1 V @ 200 mA	1.25 V @ 200 mA	1.25 V @ 200 mA
Reverse Recovery Time (trr)	50 ns	50 ns	–	50 ns	50 ns
Current - Reverse Leakage @ Vr	100 nA @ 200 V	100 nA @ 200 V	10 nA @ 180 V	100 nA @ 200 V	100 nA @ 200 V
Capacitance @ Vr, F	2.5pF @ 0V, 1MHz	2.5pF @ 0V, 1MHz	–	5pF @ 0V, 1MHz	5pF @ 0V, 1MHz
Grade	Automotive	Automotive	–	Automotive	–
Qualification	AEC-Q101	AEC-Q101	–	AEC-Q101	–
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount
Package / Case	TO-236-3, SC-59, SOT-23-3 (SSD3)	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
Supplier Device Package	SSD3	SOT-23	SOT-23-3	TO-236AB	TO-236AB
Operating Temperature - Junction	150°C (Max)	150°C	150°C (Max)	150°C (Max)	150°C (Max)
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Product Status	Active	Active	Active	Active	Active
Moisture Sensitivity Level	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
REACH Status	REACH Unaffected	REACH Unaffected	REACH Unaffected	REACH Unaffected	REACH Unaffected
ECCN	EAR99	EAR99	EAR99	EAR99	EAR99

Engineering Selection Recommendations

All listed substitute and equivalent diodes, including BAS21HYFHT116 (Rohm Semiconductor), MMBD1504A (onsemi), BAS21,215 (Nexperia USA Inc.), and BAS21,235 (Nexperia USA Inc.), possess active product status and RoHS3 compliance. Automotive grade and AEC-Q101 qualification are present for BAS21HYFHT116 and BAS21,215, matching the BAS21HMFHT116, and REACH status is unaffected for all considered parts. Moisture Sensitivity Level 1 ensures unrestricted handling. These criteria align with the requirements for regulated, automotive, or compliance-focused applications.

Frequently Asked Questions (FAQ)

Q1: What parameters define a valid substitute for BAS21HMFHT116?
A1: Strictly required parameters include reverse voltage rating, rectified current, forward voltage drop at test current, reverse recovery time, leakage current at rated voltage, capacitance, package, mounting type, temperature rating, automotive grade, qualification status, and compliance identifiers.

Q2: Are all substitute parts automotive qualified?
A2: Only BAS21HYFHT116 and BAS21,215 are explicitly listed as automotive grade with AEC-Q101 qualification, matching the main part’s qualification.

Q3: Do package differences affect compatibility?
A3: All parts are available in TO-236-3, SC-59, SOT-23-3 or closely related small surface-mount packages. Consult the supplier device package designation for dimensional or pad compatibility as per datasheet.

Q4: Are there differences in electrical characteristics among substitutes?
A4: Electrical parameters such as voltage, current, and temperature rating are matched across all parts. Minor variances, such as capacitance and forward voltage, are provided for each entry in the comparison table.

Q5: Is RoHS and REACH compliance uniform among substitutes?
A5: All listed substitutes are RoHS3 compliant and REACH unaffected, with ECCN EAR99 designation, ensuring suitability for compliance-sensitive designs.

Q6: Are all listed substitute parts active and supported for procurement?
A6: Yes, all parts have an active product status as provided in the input parameters.

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