HBAT-540C-TR2G Equivalent & Substitute Parts

Part Overview

The HBAT-540C-TR2G is a Schottky diode array manufactured by Broadcom Limited, configured as a 1 pair series connection with a peak reverse voltage rating of 30V and maximum power dissipation of 825 mW in SOT-323 packaging. This part is classified as obsolete, making equivalent substitutes necessary for ongoing design support and procurement.

Key Parameters

Parameter	Value
Diode Type	Schottky - 1 Pair Series Connection
Voltage - Peak Reverse (Max)	30V
Current - Max	430 mA
Power Dissipation (Max)	825 mW
Operating Temperature (TJ)	150°C
Package / Case	SC-70, SOT-323
Moisture Sensitivity Level (MSL)	1 (Unlimited)
Product Status	Obsolete

Substitute Part Grouping Explanation

Substitution eligibility for the HBAT-540C-TR2G is determined by the following critical parameters:

Diode configuration: 1 pair series connection (required match)
Package type: SC-70, SOT-323 (required match for mechanical compatibility)
Voltage rating: Minimum 30V DC reverse voltage
Current rating: Minimum 200mA average rectified current per diode
Operating temperature: Maximum junction temperature of 150°C or higher
Technology: Schottky diode technology

All substitute parts listed maintain identical packaging and diode configuration. Substitute parts with higher voltage or current ratings provide enhanced design margin and are electrically compatible with the original specification.

Parameter Comparison

Parameter	HBAT-540C-TR2G	1PS70SB14,115	BAT54SW,115	BAT54SWFILM	BAT54SWT1G
Manufacturer	Broadcom Limited	NXP Semiconductors	Nexperia USA Inc.	STMicroelectronics	onsemi
Diode Configuration	1 Pair Series Connection	1 Pair Series Connection	1 Pair Series Connection	1 Pair Series Connection	1 Pair Series Connection
Voltage - DC Reverse (Max)	30V	30V	30V	40V	30V
Current - Average Rectified (per Diode)	430 mA	200mA	200mA	300mA	200mA
Voltage - Forward (Vf) @ If	—	800 mV @ 100 mA	800 mV @ 100 mA	900 mV @ 100 mA	800 mV @ 100 mA
Operating Temperature - Junction (Max)	150°C	150°C	150°C	150°C	125°C
Package / Case	SC-70, SOT-323	SC-70, SOT-323	SC-70, SOT-323	SC-70, SOT-323	SC-70, SOT-323
Product Status	Obsolete	Active	Active	Active	Active
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)

Engineering Selection Recommendations

All four substitute parts are active production components with established supply chains, addressing the obsolescence status of the HBAT-540C-TR2G.

1PS70SB14,115 (NXP Semiconductors) and BAT54SWT1G (onsemi) provide direct electrical equivalence at 30V and 200mA ratings with automotive-grade qualifications (AEC-Q100 and AEC-Q101 respectively), suitable for applications requiring automotive reliability standards.

BAT54SW,115 (Nexperia USA Inc.) matches the 30V/200mA specification with AEC-Q101 automotive qualification and RoHS3 compliance, offering high inventory availability.

BAT54SWFILM (STMicroelectronics) provides enhanced voltage margin at 40V and increased current capacity at 300mA, with RoHS3 compliance. This part is suitable for designs requiring additional performance headroom beyond the original 30V specification.

All substitutes maintain SOT-323 packaging compatibility and MSL-1 moisture sensitivity rating. Selection should be based on application current requirements, voltage margin needs, and supply chain availability.

Frequently Asked Questions (FAQ)

Q: Can BAT54SWFILM be used as a direct replacement for HBAT-540C-TR2G?

A: Yes. BAT54SWFILM maintains the required 1 pair series connection configuration and SOT-323 package. The 40V voltage rating and 300mA current rating exceed the original 30V/430mA specification, providing electrical compatibility with enhanced design margin.

Q: What is the primary difference between the substitute parts?

A: The main differences are voltage ratings (30V vs. 40V for BAT54SWFILM) and current ratings (200mA vs. 300mA for BAT54SWFILM). All parts share identical SOT-323 packaging and Schottky diode configuration. Selection depends on application current requirements and desired voltage margin.

Q: Are all substitute parts RoHS compliant?

A: BAT54SW,115, BAT54SWFILM, and BAT54SWT1G are RoHS3 compliant. 1PS70SB14,115 compliance status is not specified in the provided data.

Q: Which substitute offers the best supply availability?

A: BAT54SW,115 from Nexperia USA Inc. has the highest documented inventory at 1,000,400 pieces, followed by BAT54SWT1G from onsemi at 605,200 pieces.

Q: Can these parts be used interchangeably in the same PCB layout?

A: Yes. All substitute parts use identical SC-70, SOT-323 packaging, ensuring mechanical and thermal compatibility without PCB redesign.

Q: What is the operating temperature range consideration for BAT54SWT1G?

A: BAT54SWT1G has a maximum junction temperature of 125°C, compared to 150°C for the original part and other substitutes. Applications operating near thermal limits should account for this 25°C difference.

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