Equivalent & Substitute Parts Reference for SS510F-HF

Part Overview

The SS510F-HF, manufactured by Comchip Technology, is a Schottky diode designed for surface mount applications in power rectification circuits. It features a maximum DC reverse voltage of 100 V, an average rectified current rating of 5A, and is housed in a compact SMAF package. The part is currently listed as active and complies with ROHS3 requirements. Identifying alternative models or parametric equivalents is often required for inventory management, supply chain flexibility, or cross-referencing in design environments where electrical and mechanical compatibility must be maintained.

Key Parameters

Parameter	SS510F-HF
Technology	Schottky
Voltage - DC Reverse (Vr) (Max)	100 V
Current - Average Rectified (Io)	5A
Voltage - Forward (Vf) (Max) @ If	850 mV @ 5 A
Speed	Fast Recovery =< 500ns, > 200mA (Io)
Current - Reverse Leakage @ Vr	1 mA @ 100 V
Capacitance @ Vr, F	300pF @ 4V, 1MHz
Mounting Type	Surface Mount
Package / Case	DO-214AC, SMA
Operating Temperature - Junction	-55°C ~ 150°C
RoHS Status	ROHS3 Compliant
Product Status	Active

Substitute Part Grouping Explanation

Substitute compatibility for SS510F-HF is determined by matching the following electrical and mechanical parameters: Schottky diode technology, a maximum reverse voltage of 100 V, an average rectified current of 5A, maximum forward voltage of 850 mV at 5A, fast reverse recovery speed (≤500ns at >200mA), similar reverse leakage and capacitance, surface mount configuration, and DO-214AC (SMA) package. Product status and ROHS3 compliance are mandatory. Only parts exhibiting these values are included as valid substitutes.

Parameter Comparison

Parameter	SS510F-HF	SS510-HF	SK510A-LTP	SK510AHE3-LTP
Technology	Schottky	Schottky	Schottky	Schottky
Voltage - DC Reverse (Vr) (Max)	100 V	100 V	100 V	100 V
Current - Average Rectified (Io)	5A	5A	5A	5A
Voltage - Forward (Vf) (Max) @ If	850 mV @ 5 A	850 mV @ 5 A	850 mV @ 5 A	850 mV @ 5 A
Speed	Fast Recovery ≤ 500ns, > 200mA (Io)	Fast Recovery ≤ 500ns, > 200mA (Io)	Fast Recovery ≤ 500ns, > 200mA (Io)	Fast Recovery ≤ 500ns, > 200mA (Io)
Current - Reverse Leakage @ Vr	1 mA @ 100 V	1 mA @ 100 V	1 mA @ 100 V	100 µA @ 100 V
Capacitance @ Vr, F	300pF @ 4V, 1MHz	300pF @ 4V, 1MHz	200pF @ 4V, 1MHz	200pF @ 4V, 1MHz
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount
Package / Case	DO-214AC, SMA	DO-214AC, SMA	DO-214AC, SMA	DO-214AC, SMA
Operating Temperature - Junction	-55°C ~ 150°C	-55°C ~ 150°C	-55°C ~ 150°C	-55°C ~ 150°C
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Product Status	Active	Active	Active	Active

Engineering Selection Recommendations

All substitute parts for SS510F-HF—namely SS510-HF, SK510A-LTP, and SK510AHE3-LTP—are active products and are ROHS3 compliant. SK510AHE3-LTP provides automotive grade qualification (AEC-Q101) as specified. The remaining substitutes match the product status and compliance criteria required for selection.

Frequently Asked Questions (FAQ)

Q1: What are the critical parameters for substituting a Schottky rectifier diode in the DO-214AC (SMA) category?
A1: Substitution requires matching technology (Schottky), voltage - DC reverse (100 V), average rectified current (5A), forward voltage (850 mV @ 5A), recovery speed, mounting type (surface mount), package/case (DO-214AC, SMA), operating temperature, product status, and ROHS compliance.

Q2: Can all substitute parts be used interchangeably in the same board layout?
A2: All listed substitutes feature the same package (DO-214AC, SMA) and mounting type, supporting compatibility with existing layouts designed for the SS510F-HF.

Q3: Are there differences in reverse leakage or capacitance among the substitutes?
A3: SS510F-HF and SS510-HF specify 1 mA reverse leakage at 100 V and 300pF capacitance; SK510A-LTP and SK510AHE3-LTP specify 1 mA and 100 µA reverse leakage at 100 V and 200pF capacitance.

Q4: Are automotive-grade substitutes available?
A4: SK510AHE3-LTP is automotive qualified to AEC-Q101 per input parameters.

Q5: Is moisture sensitivity a concern for any substitute?
A5: All substitute parts are rated at MSL 1 (unlimited), permitting unrestricted handling and storage.

Q6: Are all substitutes compliant with RoHS3?
A6: All listed substitutes are RoHS3 compliant, supporting environmental and regulatory requirements.

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