SD090SB45B.T2 Equivalent & Substitute Parts

Part Overview

The SD090SB45B.T2 is a Schottky diode manufactured by SMC Diode Solutions, designed for surface mount applications requiring fast recovery rectification at 45V and 7.5A ratings. This component is classified as Active product status with full RoHS3 compliance and REACH compliance. Substitute parts are identified when equivalent electrical and mechanical parameters are required for design flexibility, inventory management, or supply chain continuity while maintaining identical functional performance in the application circuit.

Key Parameters

Parameter	Value
Voltage - DC Reverse (Vr) (Max)	45 V
Current - Average Rectified (Io)	7.5 A
Voltage - Forward (Vf) (Max) @ If	640 mV @ 7.5 A
Speed	Fast Recovery ≤ 500ns, > 200mA (Io)
Current - Reverse Leakage @ Vr	200 µA @ 45 V
Capacitance @ Vr, F	400pF @ 5V, 1MHz
Mounting Type	Surface Mount
Package / Case	Die
Operating Temperature - Junction	-55°C ~ 175°C
Technology	Schottky
RoHS Status	RoHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitute parts for the SD090SB45B.T2 are identified based on strict electrical and mechanical parameter equivalence. The substitution criteria are defined by the following key parameters:

Voltage - DC Reverse (Vr) (Max): 45 V
Current - Average Rectified (Io): 7.5 A
Voltage - Forward (Vf) (Max) @ If: 640 mV @ 7.5 A
Speed: Fast Recovery ≤ 500ns, > 200mA (Io)
Current - Reverse Leakage @ Vr: 200 µA @ 45 V
Capacitance @ Vr, F: 400pF @ 5V, 1MHz
Mounting Type: Surface Mount
Package / Case: Die
Operating Temperature - Junction: -55°C ~ 175°C
Technology: Schottky

Parts meeting all these parameters are classified as parametric equivalents and direct substitutes. Packaging format (Tray) and compliance certifications (RoHS3, REACH) must also align for full interchangeability.

Parameter Comparison

Parameter	SD090SB45B.T2	SD090SB45B.T
Manufacturer	SMC Diode Solutions	SMC Diode Solutions
Category	Diodes, Rectifiers	Diodes, Rectifiers
Technology	Schottky	Schottky
Voltage - DC Reverse (Vr) (Max)	45 V	45 V
Current - Average Rectified (Io)	7.5 A	7.5 A
Voltage - Forward (Vf) (Max) @ If	640 mV @ 7.5 A	640 mV @ 7.5 A
Speed	Fast Recovery ≤ 500ns, > 200mA (Io)	Fast Recovery ≤ 500ns, > 200mA (Io)
Current - Reverse Leakage @ Vr	200 µA @ 45 V	200 µA @ 45 V
Capacitance @ Vr, F	400pF @ 5V, 1MHz	400pF @ 5V, 1MHz
Mounting Type	Surface Mount	Surface Mount
Package / Case	Die	Die
Operating Temperature - Junction	-55°C ~ 175°C	-55°C ~ 175°C
RoHS Status	RoHS3 Compliant	RoHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)
REACH Status	REACH Affected	REACH Affected

Engineering Selection Recommendations

The SD090SB45B.T is a direct parametric equivalent to the SD090SB45B.T2. Both parts are manufactured by SMC Diode Solutions and share identical electrical specifications, mechanical packaging, and compliance certifications. Selection between these parts is based on inventory availability and supply chain requirements rather than functional differences.

Both parts maintain Active product status, ensuring continued manufacturer support and availability. RoHS3 compliance and REACH compliance status are identical across both variants, supporting use in regulated applications and markets with environmental compliance requirements.

The Die package format and Surface Mount mounting type are consistent across both parts, eliminating any PCB layout or assembly process modifications.

Frequently Asked Questions (FAQ)

Q: Can SD090SB45B.T be used as a direct replacement for SD090SB45B.T2?

A: Yes. Both parts are parametric equivalents with identical electrical ratings, forward voltage characteristics, reverse leakage specifications, and operating temperature ranges. The Die package and Surface Mount mounting type are identical.

Q: What is the difference between SD090SB45B.T2 and SD090SB45B.T?

A: These parts are parametric equivalents with no functional differences. All electrical parameters, mechanical specifications, and compliance certifications are identical. The designation difference reflects packaging or supply chain variants from SMC Diode Solutions.

Q: Are both parts RoHS3 compliant?

A: Yes. Both SD090SB45B.T2 and SD090SB45B.T are RoHS3 compliant and REACH affected, meeting environmental and regulatory requirements for their respective markets.

Q: What is the Moisture Sensitivity Level (MSL) for these parts?

A: Both parts have MSL 1 (Unlimited), indicating no moisture sensitivity restrictions during storage or handling.

Q: Can these parts be used interchangeably in high-temperature applications?

A: Yes. Both parts support the same operating temperature range of -55°C to 175°C at the junction, enabling use in extended temperature applications.

Q: What is the reverse voltage rating for these Schottky diodes?

A: Both parts are rated for 45V maximum DC reverse voltage, suitable for applications requiring this voltage class.

Q: What is the average rectified current rating?

A: Both parts are rated for 7.5A average rectified current with a forward voltage drop of 640mV at this current level.

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