BAT54AHMFHT116 Equivalent & Substitute Parts Reference

Part Overview

The Rohm Semiconductor BAT54AHMFHT116 is an active automotive-grade Schottky diode array featuring a 1 pair common anode configuration. It is rated for 30 V reverse voltage and 200 mA average rectified current per diode, provided in a surface-mount TO-236-3, SC-59, SOT-23-3 package. Alternate models may be required to address factors such as supply chain constraints, inventory availability, or alternate packaging needs while maintaining identical electrical and mechanical parameters.

Key Parameters

Parameter	Value
Manufacturer	Rohm Semiconductor
Diode Configuration	1 Pair Common Anode
Technology	Schottky
Voltage - DC Reverse (Vr) (Max)	30 V
Current - Average Rectified (Io) (per Diode)	200 mA (DC)
Voltage - Forward (Vf) (Max) @ If	800 mV @ 100 mA
Reverse Recovery Time (trr)	50 ns
Current - Reverse Leakage @ Vr	2 µA @ 25 V
Operating Temperature - Junction (Max)	150°C
Automotive Grade	Yes (AEC-Q101)
Mounting Type	Surface Mount
Package / Case	TO-236-3, SC-59, SOT-23-3
RoHS Status	ROHS3 Compliant
MSL	1 (Unlimited)
REACH Status	REACh Unaffected

Substitute Part Grouping Explanation

Substitute and equivalent parts listed are matched strictly based on the following parameters: diode configuration (1 pair common anode), Schottky technology, maximum reverse voltage (30 V), average rectified current per diode (200 mA), maximum forward voltage (800 mV @ 100 mA unless noted), reverse recovery time (50 ns), reverse leakage current (2 µA @ 25 V), junction operating temperature (150°C unless noted), surface-mount capability, package compatibility (TO-236-3, SC-59, SOT-23-3), RoHS compliance, MSL 1, and REACH status. Only parts with identical or fully matching values for all these parameters are included as substitutes.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Diode Configuration	Technology	Voltage - DC Reverse (Vr) (Max)	Current - Average Rectified (Io) (per Diode)	Voltage - Forward (Vf) (Max) @ If	Reverse Recovery Time (trr)	Current - Reverse Leakage @ Vr	Operating Temperature - Junction (Max)	Automotive Grade	Mounting Type	Package / Case	RoHS Status	MSL	REACH Status
BAT54AHMFHT116	Rohm Semiconductor	1 Pair Common Anode	Schottky	30 V	200 mA (DC)	800 mV @ 100 mA	50 ns	2 µA @ 25 V	150°C	AEC-Q101	Surface Mount	TO-236-3, SC-59, SOT-23-3	ROHS3 Compliant	1 (Unlimited)	REACH Unaffected
BAT54AHYFHT116	Rohm Semiconductor	1 Pair Common Anode	Schottky	30 V	200 mA (DC)	800 mV @ 100 mA	50 ns	2 µA @ 25 V	150°C	AEC-Q101	Surface Mount	TO-236-3, SC-59, SOT-23-3	ROHS3 Compliant	1 (Unlimited)	REACH Unaffected
BAT54AHMT116	Rohm Semiconductor	1 Pair Common Anode	Schottky	30 V	200 mA (DC)	800 mV @ 100 mA	50 ns	2 µA @ 25 V	150°C	AEC-Q101	Surface Mount	TO-236-3, SC-59, SOT-23-3	ROHS3 Compliant	1 (Unlimited)	REACH Unaffected
BAT54AHYT116	Rohm Semiconductor	1 Pair Common Anode	Schottky	30 V	200 mA (DC)	800 mV @ 100 mA	50 ns	2 µA @ 25 V	150°C	-	Surface Mount	TO-236-3, SC-59, SOT-23-3	ROHS3 Compliant	1 (Unlimited)	REACH Unaffected
BAT54A_R1_00001	Panjit International Inc.	1 Pair Common Anode	Schottky	30 V	200 mA	600 mV @ 100 mA	-	2 µA @ 25 V	125°C	-	Surface Mount	TO-236-3, SC-59, SOT-23-3	ROHS3 Compliant	1 (Unlimited)	REACH Unaffected

Engineering Selection Recommendations

All listed alternatives to BAT54AHMFHT116 are active products with ROHS3 compliance, MSL 1 (Unlimited), and are REACh unaffected. Rohm Semiconductor models BAT54AHYFHT116, BAT54AHMT116, and BAT54AHYT116 are automotive-grade with AEC-Q101 qualification. The Panjit BAT54A_R1_00001 is RoHS3 compliant and REACh unaffected but does not specify automotive qualification in the provided parameters.

Frequently Asked Questions (FAQ)

Q1: What criteria determine if a substitute diode array is equivalent to BAT54AHMFHT116?
A1: Substitute devices are selected based on identical values for diode configuration, technology, reverse voltage, average rectified current, forward voltage at specified current, reverse recovery time, reverse leakage current, operating temperature, mounting type, package, RoHS compliance, and REACh status.

Q2: Are all package types and footprints fully compatible for surface mount applications?
A2: All listed substitutes utilize TO-236-3, SC-59, SOT-23-3 surface mount packages, ensuring mechanical footprint compatibility.

Q3: What are the main differences among the listed Rohm Semiconductor substitutes?
A3: The key differences reside in the packaging format (e.g., Tape & Reel, Cut Tape, Digi-Reel®) but not in their electrical or mechanical characteristics.

Q4: How does automotive qualification (AEC-Q101) affect selection?
A4: Only models referencing AEC-Q101 in their provided parameters are confirmed automotive grade.

Q5: Is the Panjit BAT54A_R1_00001 a direct equivalent?
A5: BAT54A_R1_00001 matches all relevant parameters except that its forward voltage is 600 mV (lower than 800 mV specified in Rohm devices), and its operating temperature rating is 125°C (less than 150°C on Rohm variants). No automotive qualification is detailed for this part in the provided parameters.

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