BAT54S-TP-HF Equivalent & Substitute Parts Reference

Part Overview

BAT54S-TP-HF is a Schottky diode array in a 1 Pair Series Connection configuration, rated for 30 V reverse voltage and 200mA average rectified current per diode. It is housed in the TO-236-3 (SOT-23-3, SC-59) package for surface mount applications. The part is active and available in stock. Finding alternatives is necessary for applications requiring additional compliance standards, automotive grade qualification, or supply chain flexibility.

Key Parameters

Manufacturer Part Number	Category	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	Mounting Type	Package / Case	Supplier Device Package
BAT54S-TP-HF	Diodes, Rectifiers	1 Pair Series Connection	Schottky	30 V	200mA	800 mV @ 100 mA	5 ns	2 µA @ 25 V	-55°C ~ 125°C	Surface Mount	TO-236-3, SC-59, SOT-23-3	SOT-23

Substitute Part Grouping Explanation

Substitution is determined strictly by matching the following provided parameters: diode configuration (1 Pair Series Connection), Schottky technology, maximum 30 V DC reverse voltage, 200mA average rectified current, maximum forward voltage of 800 mV @ 100 mA, 5 ns reverse recovery time, 2 µA reverse leakage current @ 25 V, surface mount in TO-236-3/SOT-23-3/SC-59 package, and comparable junction temperature range. Substitute parts listed have identical or functionally equivalent electrical and package parameters per input.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Category	Diode Configuration	Technology	Voltage - DC Reverse (Vr) (Max)	Voltage - Forward (Vf) (Max) @ If	Reverse Recovery Time (trr)	Current - Reverse Leakage @ Vr	Operating Temperature - Junction	Mounting Type	Package / Case	Supplier Device Package	Product Status	Compliance / Qualification
BAT54S-TP-HF	Micro Commercial Co	Diodes, Rectifiers	1 Pair Series Connection	Schottky	30 V	800 mV @ 100 mA	5 ns	2 µA @ 25 V	-55°C ~ 125°C	Surface Mount	TO-236-3, SC-59, SOT-23-3	SOT-23	Active	-
BAT54S-HE3-18	Vishay General Semiconductor - Diodes Division	Diodes, Rectifiers	1 Pair Series Connection	Schottky	30 V	800 mV @ 100 mA	5 ns	2 µA @ 25 V	125°C (Max)	Surface Mount	TO-236-3, SC-59, SOT-23-3	SOT-23-3	Last Time Buy	Automotive, AEC-Q101

Engineering Selection Recommendations

Substitution selection shall be based on product status, compliance, and qualification attributes. BAT54S-TP-HF is active and in stock. BAT54S-HE3-18, provided as a substitute, carries automotive grade and AEC-Q101 qualification, with RoHS and REACH compliance, and is on Last Time Buy status. Select BAT54S-TP-HF for general applications. For automotive or compliance-driven requirements, select BAT54S-HE3-18 within supply availability, prioritizing compliance with AEC-Q101 standards.

Frequently Asked Questions (FAQ)

Q: Which parameters must match for valid substitution between BAT54S-TP-HF and BAT54S-HE3-18?
A: Valid substitution requires identical diode configuration, technology, voltage ratings, current ratings, forward voltage, reverse recovery time, reverse leakage current, mounting type, and package specifications.

Q: Does package type affect interchangeability?
A: Both parts are available in TO-236-3, SOT-23-3, and SC-59 surface mount packages, satisfying physical compatibility requirements.

Q: Can BAT54S-HE3-18 be used in place of BAT54S-TP-HF for automotive designs?
A: BAT54S-HE3-18 is qualified to AEC-Q101 automotive-grade standards per input parameters.

Q: Is there a difference in operational temperature range?
A: BAT54S-TP-HF specifies -55°C ~ 125°C. BAT54S-HE3-18 specifies 125°C maximum junction temperature per provided data.

Q: Are both parts compliant with industry standards?
A: BAT54S-HE3-18 is noted as RoHS3 compliant and REACH unaffected; BAT54S-TP-HF is REACH unaffected as specified.

Q: What impact does Product Status have on selection?
A: BAT54S-TP-HF is active and available; BAT54S-HE3-18 is Last Time Buy and requires attention to inventory status for long-term availability.

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