ES5AC-HF Equivalent & Substitute Parts

Part Overview

The ES5AC-HF is a general-purpose rectifier diode manufactured by Comchip Technology, rated for 50V DC reverse voltage and 5A average rectified current in a DO-214AB surface mount package. This component is classified as Active product status with full RoHS3 compliance and unlimited moisture sensitivity rating. Substitute parts become necessary when the primary manufacturer part experiences supply constraints, discontinuation, or when alternative sourcing is required to meet procurement objectives while maintaining electrical and mechanical compatibility.

Key Parameters

Parameter	Value	Unit
Voltage - DC Reverse (Vr) (Max)	50	V
Current - Average Rectified (Io)	5	A
Voltage - Forward (Vf) (Max) @ If	1	V @ 5 A
Speed Classification	Fast Recovery ≤ 500ns, > 200mA (Io)	—
Package / Case	DO-214AB, SMC	—
Mounting Type	Surface Mount	—
Operating Temperature - Junction	-55 to 150	°C
RoHS Status	ROHS3 Compliant	—

Substitute Part Grouping Explanation

Substitute parts for the ES5AC-HF are qualified based on strict electrical and mechanical parameter alignment. The substitution criteria are:

Primary Matching Parameters:

Voltage - DC Reverse (Vr) (Max): 50 V
Current - Average Rectified (Io): 5 A
Voltage - Forward (Vf) (Max) @ If: 1 V @ 5 A
Package / Case: DO-214AB, SMC
Mounting Type: Surface Mount
Operating Temperature - Junction: -55°C to 150°C
Technology: Standard
RoHS Status: ROHS3 Compliant

All identified substitute parts meet these core electrical and mechanical requirements. Variations in secondary parameters such as reverse recovery time (trr), reverse leakage current, and capacitance do not disqualify substitution when primary parameters remain within specification.

Parameter Comparison

Parameter	ES5AC-HF (Comchip)	HS5A R7G (TSC)	HS5A V7G (TSC)
Manufacturer	Comchip Technology	Taiwan Semiconductor Corporation	Taiwan Semiconductor Corporation
Voltage - DC Reverse (Vr) (Max)	50 V	50 V	50 V
Current - Average Rectified (Io)	5 A	5 A	5 A
Voltage - Forward (Vf) (Max) @ If	1 V @ 5 A	1 V @ 5 A	1 V @ 5 A
Speed Classification	Fast Recovery ≤ 500ns, > 200mA	Fast Recovery ≤ 500ns, > 200mA	Fast Recovery ≤ 500ns, > 200mA
Reverse Recovery Time (trr)	35 ns	50 ns	50 ns
Current - Reverse Leakage @ Vr	5 µA @ 50 V	10 µA @ 50 V	10 µA @ 50 V
Capacitance @ Vr, F	50 pF @ 4V, 1MHz	80 pF @ 4V, 1MHz	80 pF @ 4V, 1MHz
Package / Case	DO-214AB, SMC	DO-214AB, SMC	DO-214AB, SMC
Operating Temperature - Junction	-55 to 150°C	-55 to 150°C	-55 to 150°C
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Product Status	Active	Discontinued at DiGi Electronics	Discontinued at DiGi Electronics

Engineering Selection Recommendations

ES5AC-HF (Comchip Technology): This part maintains Active product status with full availability. Selection of this part is appropriate for new designs and applications requiring long-term supply continuity. RoHS3 compliance and unlimited moisture sensitivity rating support deployment in standard manufacturing environments.

HS5A R7G (Taiwan Semiconductor Corporation): This substitute part is electrically and mechanically equivalent to the ES5AC-HF across all primary parameters. However, this part is listed as Discontinued at DiGi Electronics. Selection is appropriate only when existing inventory is available and supply continuity is not a design requirement. Packaging is specified as Cut Tape (CT).

HS5A V7G (Taiwan Semiconductor Corporation): This substitute part is electrically and mechanically equivalent to the ES5AC-HF across all primary parameters. This part is also listed as Discontinued at DiGi Electronics. Selection is appropriate only when existing inventory is available and supply continuity is not a design requirement. Packaging information is not specified in available data.

For applications requiring assured long-term supply and active product status, the ES5AC-HF remains the primary selection. Substitute parts should be considered only when supply of the primary part is constrained and existing inventory of substitutes is confirmed available.

Frequently Asked Questions (FAQ)

Q: Can HS5A R7G or HS5A V7G be used as direct replacements for ES5AC-HF in existing designs?

A: Yes. Both HS5A R7G and HS5A V7G meet all primary electrical parameters (50V reverse voltage, 5A average rectified current, 1V forward voltage at 5A) and share the identical DO-214AB surface mount package. Direct substitution is electrically and mechanically valid.

Q: What are the differences between ES5AC-HF and the substitute parts?

A: The primary differences are reverse recovery time (ES5AC-HF: 35 ns versus HS5A variants: 50 ns), reverse leakage current (ES5AC-HF: 5 µA versus HS5A variants: 10 µA), and capacitance (ES5AC-HF: 50 pF versus HS5A variants: 80 pF). These secondary parameter variations do not affect substitution validity when primary electrical and mechanical requirements are met.

Q: Why are HS5A R7G and HS5A V7G listed as Discontinued at DiGi Electronics?

A: Product discontinuation status reflects supplier availability at specific distribution channels. Discontinuation does not indicate technical obsolescence. Existing inventory may remain available through alternative sources.

Q: What is the difference between HS5A R7G (Cut Tape) and HS5A V7G packaging?

A: HS5A R7G is specified with Cut Tape (CT) packaging, while HS5A V7G packaging information is not provided in available data. Both parts use the identical DO-214AB surface mount case. Packaging format differences do not affect electrical performance or board-level compatibility.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. ES5AC-HF, HS5A R7G, and HS5A V7G are all RoHS3 compliant. All parts carry unlimited moisture sensitivity rating (MSL 1).

Q: Can these diodes be used in high-frequency switching applications?

A: All parts are classified as Fast Recovery diodes with recovery time ≤ 500ns at currents > 200mA, supporting high-frequency switching applications within the specified current and voltage ratings.

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