SS8PH9HM3_A/I Equivalent & Substitute Parts

Part Overview

The SS8PH9HM3_A/I is a Schottky rectifier diode manufactured by Vishay General Semiconductor - Diodes Division, rated for 90V DC reverse voltage and 8A average rectified current in a surface mount TO-277A (SMPC) package. This component is classified as an active product with automotive-grade qualification (AEC-Q101) and is RoHS3 compliant. Substitute parts are identified when equivalent electrical and mechanical parameters are maintained across the same package type and performance specifications, enabling direct replacement in circuit designs without functional degradation.

Key Parameters

Parameter	Value	Unit
Voltage - DC Reverse (Vr) (Max)	90	V
Current - Average Rectified (Io)	8	A
Voltage - Forward (Vf) (Max) @ If	900 mV @ 8 A	mV
Speed	Fast Recovery ≤ 500ns, > 200mA (Io)	ns
Current - Reverse Leakage @ Vr	2	µA @ 90 V
Package / Case	TO-277, 3-PowerDFN	-
Mounting Type	Surface Mount	-
Operating Temperature - Junction	-55 to 175	°C
Technology	Schottky	-
RoHS Status	ROHS3 Compliant	-

Substitute Part Grouping Explanation

Substitution eligibility for the SS8PH9HM3_A/I is determined by strict equivalence across the following critical parameters:

Electrical Parameters (Must Match):

Voltage - DC Reverse (Vr) (Max): 90 V
Current - Average Rectified (Io): 8 A
Voltage - Forward (Vf) (Max) @ If: 900 mV @ 8 A
Speed: Fast Recovery ≤ 500ns, > 200mA (Io)
Current - Reverse Leakage @ Vr: 2 µA @ 90 V

Mechanical Parameters (Must Match):

Package / Case: TO-277, 3-PowerDFN
Mounting Type: Surface Mount
Supplier Device Package: TO-277A (SMPC)

Compliance Parameters (Must Match):

Technology: Schottky
Product Status: Active
RoHS Status: ROHS3 Compliant
REACH Status: REACH Unaffected

All identified substitute parts maintain identical electrical performance, mechanical compatibility, and regulatory compliance with the main part number.

Parameter Comparison

Parameter	SS8PH9HM3_A/I	SS8PH9HM3_A/H	SS8PH9-M3/86A	SS8PH9-M3/87A
Voltage - DC Reverse (Vr) (Max)	90 V	90 V	90 V	90 V
Current - Average Rectified (Io)	8 A	8 A	8 A	8 A
Voltage - Forward (Vf) (Max) @ If	900 mV @ 8 A	900 mV @ 8 A	900 mV @ 8 A	900 mV @ 8 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	2 µA @ 90 V	2 µA @ 90 V	2 µA @ 90 V	2 µA @ 90 V
Capacitance @ Vr, F	140 pF @ 4V, 1MHz	140 pF @ 4V, 1MHz	Not specified	140 pF @ 4V, 1MHz
Package / Case	TO-277, 3-PowerDFN	TO-277, 3-PowerDFN	TO-277, 3-PowerDFN	TO-277, 3-PowerDFN
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount
Operating Temperature - Junction	-55 to 175 °C	-55 to 175 °C	-55 to 175 °C	-55 to 175 °C
Technology	Schottky	Schottky	Schottky	Schottky
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Product Status	Active	Active	Active	Active
Grade	Automotive	Automotive	Not specified	Not specified
Qualification	AEC-Q101	AEC-Q101	Not specified	Not specified

Engineering Selection Recommendations

SS8PH9HM3_A/H is a direct substitute for applications requiring automotive-grade qualification and AEC-Q101 certification. This part maintains identical electrical specifications, package compatibility, and regulatory compliance. The part is active and RoHS3 compliant with 1900 units in stock.

SS8PH9-M3/86A is a parametric equivalent suitable for applications where automotive qualification is not a design requirement. All critical electrical parameters and package specifications are identical to the main part. This variant is part of the eSMP® series and carries MSL 1 (Unlimited) rating. Inventory availability is 65100 units.

SS8PH9-M3/87A is a parametric equivalent suitable for applications where automotive qualification is not a design requirement. All critical electrical parameters, including capacitance specification, and package specifications are identical to the main part. This variant is part of the eSMP® series and carries MSL 1 (Unlimited) rating. Inventory availability is 1290 units.

Selection between substitute parts depends on automotive qualification requirements. For automotive applications requiring AEC-Q101 certification, use SS8PH9HM3_A/H. For non-automotive applications, SS8PH9-M3/86A and SS8PH9-M3/87A are functionally equivalent alternatives.

Frequently Asked Questions (FAQ)

Q: Can SS8PH9-M3/86A be used in place of SS8PH9HM3_A/I in automotive applications?

A: SS8PH9-M3/86A does not carry automotive-grade qualification or AEC-Q101 certification. Use only in non-automotive applications. For automotive designs, use SS8PH9HM3_A/H.

Q: Are all substitute parts compatible with the same PCB footprint?

A: Yes. All substitute parts use the TO-277, 3-PowerDFN package in TO-277A (SMPC) supplier device package configuration, ensuring identical PCB footprint compatibility.

Q: What is the difference between SS8PH9HM3_A/H and SS8PH9HM3_A/I?

A: Both parts are automotive-grade with AEC-Q101 qualification and identical electrical specifications. The difference is in the packaging designation suffix. Both are direct substitutes for each other.

Q: Does capacitance specification affect substitution eligibility?

A: Capacitance is a secondary parameter. SS8PH9-M3/86A does not specify capacitance in the datasheet, while SS8PH9HM3_A/I, SS8PH9HM3_A/H, and SS8PH9-M3/87A specify 140 pF @ 4V, 1MHz. This does not prevent substitution; however, designs sensitive to junction capacitance should verify compatibility with the specific part variant.

Q: What does MSL 1 (Unlimited) mean for eSMP® series parts?

A: MSL 1 (Unlimited) indicates Moisture Sensitivity Level 1 with unlimited shelf life. These parts do not require special moisture control during storage or handling, providing greater flexibility in supply chain management compared to higher MSL ratings.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All substitute parts listed are RoHS3 compliant and REACH unaffected, meeting current environmental and regulatory requirements.

Q: Can I mix substitute parts in the same production batch?

A: Yes. All substitute parts are functionally equivalent within their respective qualification categories. Mixing is permitted provided the application requirements are met by each part variant used.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message