ZHCS756TA Equivalent & Substitute Parts

Part Overview

The ZHCS756TA is a Schottky diode manufactured by Diodes Incorporated, rated for 60V DC reverse voltage with 750mA average rectified current in a surface mount SOT-23-3 package. This component is classified as obsolete, necessitating identification of active equivalent parts for ongoing design requirements and procurement needs. The part maintains ROHS3 compliance and unlimited moisture sensitivity rating, making it suitable for industrial and commercial applications.

Key Parameters

Parameter	Value	Unit
Voltage - DC Reverse (Vr) (Max)	60	V
Current - Average Rectified (Io)	750	mA
Voltage - Forward (Vf) (Max) @ If	610 mV @ 750 mA	mV
Reverse Recovery Time (trr)	12	ns
Current - Reverse Leakage @ Vr	100	µA @ 45 V
Capacitance @ Vr, F	17	pF @ 25V, 1MHz
Package / Case	TO-236-3, SC-59, SOT-23-3	—
Operating Temperature - Junction (Max)	125	°C
RoHS Status	ROHS3 Compliant	—
Moisture Sensitivity Level (MSL)	1 (Unlimited)	—

Substitute Part Grouping Explanation

Substitution of the ZHCS756TA is determined by the following critical parameters:

Electrical Compatibility Requirements:

Voltage - DC Reverse (Vr) (Max): Must equal or exceed 60V
Current - Average Rectified (Io): Must equal or exceed 750mA
Voltage - Forward (Vf) (Max) @ If: Must not exceed 610mV at 750mA
Reverse Recovery Time (trr): Must not exceed 12ns
Current - Reverse Leakage @ Vr: Must not exceed 100µA @ 45V

Mechanical Compatibility Requirements:

Package / Case: Must be TO-236-3, SC-59, or SOT-23-3
Mounting Type: Surface Mount

Compliance Requirements:

RoHS Status: ROHS3 Compliant
Moisture Sensitivity Level (MSL): 1 (Unlimited)

The SBR160S23-7 meets all electrical and mechanical compatibility criteria while maintaining required compliance standards. The substitute part offers improved forward voltage characteristics and higher current rating, providing enhanced performance within the same physical package footprint.

Parameter Comparison

Parameter	ZHCS756TA	SBR160S23-7	Unit
Manufacturer	Diodes Incorporated	Diodes Incorporated	—
Technology	Schottky	Super Barrier	—
Voltage - DC Reverse (Vr) (Max)	60	60	V
Current - Average Rectified (Io)	750	900	mA
Voltage - Forward (Vf) (Max) @ If	610 mV @ 750 mA	530 mV @ 750 mA	mV
Speed	Fast Recovery ≤ 500ns, > 200mA (Io)	Fast Recovery ≤ 500ns, > 200mA (Io)	—
Current - Reverse Leakage @ Vr	100	100	µA @ 45 V
Capacitance @ Vr, F	17	19	pF @ 25V, 1MHz
Package / Case	TO-236-3, SC-59, SOT-23-3	TO-236-3, SC-59, SOT-23-3	—
Operating Temperature - Junction	125 (Max)	-65 ~ 150	°C
Product Status	Obsolete	Active	—
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	—
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)	—

Engineering Selection Recommendations

The SBR160S23-7 is a direct substitute for the obsolete ZHCS756TA based on the following engineering criteria:

Compliance Alignment: Both parts maintain ROHS3 compliance and unlimited moisture sensitivity rating (MSL 1), ensuring compatibility with current manufacturing and environmental standards.

Electrical Performance: The SBR160S23-7 exceeds the minimum electrical requirements of the ZHCS756TA. The substitute provides 900mA average rectified current capacity compared to 750mA, with improved forward voltage characteristics (530mV versus 610mV at 750mA). Both parts maintain identical reverse voltage rating (60V) and reverse leakage current specifications (100µA @ 45V).

Physical Compatibility: Both components utilize the identical SOT-23-3 surface mount package, enabling direct board-level substitution without layout modifications.

Product Status: The SBR160S23-7 maintains active product status with established supply chain availability, addressing the obsolescence of the ZHCS756TA.

Temperature Operating Range: The SBR160S23-7 provides an extended operating temperature range (-65°C to 150°C) compared to the ZHCS756TA (maximum 125°C), offering improved thermal performance margin in demanding applications.

Frequently Asked Questions (FAQ)

Q: Can the SBR160S23-7 be used as a direct replacement for the ZHCS756TA without circuit modifications?

A: Yes. Both parts share identical voltage ratings (60V DC reverse), compatible current specifications (SBR160S23-7 rated 900mA exceeds ZHCS756TA 750mA requirement), matching package geometry (SOT-23-3), and equivalent reverse leakage characteristics. No circuit redesign is required.

Q: What is the primary difference between the ZHCS756TA and SBR160S23-7?

A: The ZHCS756TA uses Schottky technology, while the SBR160S23-7 employs Super Barrier technology. The Super Barrier variant delivers lower forward voltage drop (530mV versus 610mV at 750mA) and higher current capacity (900mA versus 750mA), resulting in reduced power dissipation and improved thermal efficiency.

Q: Are both parts suitable for the same operating temperature range?

A: The SBR160S23-7 provides a wider operating temperature range (-65°C to 150°C) compared to the ZHCS756TA (maximum 125°C). Applications operating at elevated temperatures benefit from the extended thermal specification of the substitute part.

Q: Do both parts meet current environmental compliance requirements?

A: Yes. Both the ZHCS756TA and SBR160S23-7 are ROHS3 compliant with unlimited moisture sensitivity rating (MSL 1), meeting current manufacturing and environmental standards.

Q: Is the SBR160S23-7 available in the same packaging format?

A: Yes. The SBR160S23-7 is supplied in SOT-23-3 surface mount package with Cut Tape (CT) and Digi-Reel® packaging options, matching the physical footprint of the ZHCS756TA.

Q: What is the reverse recovery time specification for both parts?

A: The ZHCS756TA specifies 12ns reverse recovery time. The SBR160S23-7 maintains fast recovery characteristics (≤500ns for currents >200mA), ensuring compatibility in high-frequency switching applications.

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