BYS11-90HE3_A/I Equivalent & Substitute Parts

Part Overview

The BYS11-90HE3_A/I is a Schottky rectifier diode manufactured by Vishay General Semiconductor - Diodes Division, rated for 90 V DC reverse voltage and 1.5 A average rectified current. The device is packaged in DO-214AC (SMA) surface mount configuration and is qualified to AEC-Q100 automotive standards. This part is currently active in production with 1117 pieces in stock.

Equivalent and substitute parts are identified based on matching electrical specifications and mechanical compatibility. Alternative part numbers within the BYS11 and BYS12 series provide direct functional equivalence while maintaining identical performance parameters and package form factors.

Key Parameters

Parameter	Value	Unit
Technology	Schottky	—
Voltage - DC Reverse (Vr) (Max)	90	V
Current - Average Rectified (Io)	1.5	A
Voltage - Forward (Vf) (Max) @ If	750 mV @ 1 A	—
Speed	Fast Recovery ≤ 500ns, > 200mA (Io)	—
Current - Reverse Leakage @ Vr	100 µA @ 90 V	—
Package / Case	DO-214AC, SMA	—
Mounting Type	Surface Mount	—
Operating Temperature - Junction	-55 to 150	°C
Grade	Automotive	—
Qualification	AEC-Q100	—
RoHS Status	ROHS3 Compliant	—

Substitute Part Grouping Explanation

Substitute parts for the BYS11-90HE3_A/I are determined by equivalence in the following critical parameters:

Voltage Rating: All substitutes maintain 90 V DC reverse voltage maximum
Current Rating: All substitutes maintain 1.5 A average rectified current
Forward Voltage: All substitutes maintain 750 mV maximum forward voltage at 1 A
Recovery Speed: All substitutes maintain fast recovery characteristics ≤ 500ns for currents > 200mA
Reverse Leakage: All substitutes maintain 100 µA maximum reverse leakage at 90 V
Package: All substitutes use DO-214AC (SMA) surface mount package
Temperature Range: All substitutes operate across -55°C to 150°C junction temperature
Compliance: All substitutes maintain ROHS3 compliance and REACH unaffected status

Substitutes are available within the BYS11 and BYS12 base product families with variations in tape reel configuration (TR, TR3) and manufacturing code designations (E3, M3). These variations represent different manufacturing batches or packaging configurations without affecting electrical performance or mechanical compatibility.

Parameter Comparison

Part Number	Manufacturer	Vr (Max)	Io	Vf (Max) @ If	Speed	Ir @ Vr	Package	Temp Range	Status	Inventory (Pcs)
BYS11-90HE3_A/I	Vishay	90 V	1.5 A	750 mV @ 1 A	≤ 500ns	100 µA @ 90 V	DO-214AC	-55 to 150°C	Active	1117
BYS11-90-E3/TR	Vishay	90 V	1.5 A	750 mV @ 1 A	≤ 500ns	100 µA @ 90 V	DO-214AC	-55 to 150°C	Active	24105
BYS11-90-E3/TR3	Vishay	90 V	1.5 A	750 mV @ 1 A	≤ 500ns	100 µA @ 90 V	DO-214AC	-55 to 150°C	Active	1560
BYS11-90-M3/TR	Vishay	90 V	1.5 A	750 mV @ 1 A	≤ 500ns	100 µA @ 90 V	DO-214AC	-55 to 150°C	Active	7708
BYS12-90-E3/TR	Vishay	90 V	1.5 A	750 mV @ 1 A	≤ 500ns	100 µA @ 90 V	DO-214AC	-55 to 150°C	Active	30300
BYS12-90-E3/TR3	Vishay	90 V	1.5 A	750 mV @ 1 A	≤ 500ns	100 µA @ 90 V	DO-214AC	-55 to 150°C	Active	28733
BYS12-90-M3/TR	Vishay	90 V	1.5 A	750 mV @ 1 A	≤ 500ns	100 µA @ 90 V	DO-214AC	-55 to 150°C	Active	7494
BYS12-90-M3/TR3	Vishay	90 V	1.5 A	750 mV @ 1 A	≤ 500ns	100 µA @ 90 V	DO-214AC	-55 to 150°C	Active	15882

Engineering Selection Recommendations

All substitute parts listed maintain active product status with Vishay General Semiconductor - Diodes Division and are fully compliant with ROHS3 and REACH requirements. Each substitute part is qualified to AEC-Q100 automotive standards, matching the qualification level of the primary part BYS11-90HE3_A/I.

Selection among substitute parts should be based on:

Availability: BYS12-90-E3/TR offers the highest inventory level at 30,300 pieces, followed by BYS12-90-E3/TR3 at 28,733 pieces. These options provide maximum supply assurance for high-volume applications.

Packaging Configuration: Parts designated with TR use standard tape and reel packaging, while TR3 variants use alternative reel specifications. Selection depends on assembly equipment compatibility and procurement requirements.

Manufacturing Code: E3 and M3 designations represent different manufacturing batches. Both are electrically and mechanically equivalent and interchangeable within the same application.

Base Series Compatibility: BYS11 and BYS12 series parts are functionally equivalent. The BYS12 series demonstrates higher inventory availability across multiple configurations.

All parts maintain identical electrical performance, thermal characteristics, and mechanical form factor, enabling direct substitution without circuit redesign or board layout modification.

Frequently Asked Questions (FAQ)

Q: Can BYS12-90-E3/TR be used as a direct replacement for BYS11-90HE3_A/I?

A: Yes. Both parts maintain identical electrical specifications including 90 V reverse voltage rating, 1.5 A average rectified current, 750 mV forward voltage at 1 A, and fast recovery characteristics. Both use DO-214AC surface mount packaging and operate across -55°C to 150°C. Direct substitution is electrically and mechanically valid.

Q: What is the difference between TR and TR3 packaging designations?

A: TR and TR3 designations indicate different tape and reel configurations used during manufacturing and shipment. Both configurations contain electrically identical components in the same DO-214AC package. Selection depends on assembly equipment specifications and procurement preferences.

Q: Are E3 and M3 manufacturing codes interchangeable?

A: Yes. E3 and M3 designations represent different manufacturing batches or process codes from Vishay. Both produce components with identical electrical and mechanical specifications. They are fully interchangeable within the same application.

Q: Do all substitute parts maintain AEC-Q100 qualification?

A: All listed substitute parts are qualified to AEC-Q100 automotive standards, matching the qualification of the primary part BYS11-90HE3_A/I. This qualification applies uniformly across all BYS11 and BYS12 series variants.

Q: Which substitute part offers the best availability?

A: BYS12-90-E3/TR provides the highest inventory at 30,300 pieces in stock, followed by BYS12-90-E3/TR3 at 28,733 pieces. These options are recommended for applications requiring immediate or high-volume supply.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All substitute parts listed maintain ROHS3 compliance and REACH unaffected status, matching the environmental compliance of the primary part BYS11-90HE3_A/I.

Q: Can these diodes be used in automotive applications?

A: Yes. All parts including the primary BYS11-90HE3_A/I and all substitutes are automotive-grade components qualified to AEC-Q100 standards, suitable for automotive circuit applications.

Q: What is the reverse leakage current specification?

A: All parts maintain a maximum reverse leakage current of 100 µA at 90 V reverse voltage, ensuring consistent leakage performance across all equivalent and substitute options.

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