SD175SA30B.T2 Equivalent & Substitute Parts

Part Overview

The SD175SA30B.T2 is a Schottky rectifier diode rated for 30V DC reverse voltage and 30A average rectified current in a surface mount die package. This component is designed for high-speed switching applications requiring fast recovery characteristics. The part is currently active in production with full RoHS3 and REACH compliance. Equivalent and substitute parts are identified to support procurement flexibility, inventory management, and supply chain continuity.

Key Parameters

Parameter	Value
Voltage - DC Reverse (Vr) (Max)	30 V
Current - Average Rectified (Io)	30 A
Voltage - Forward (Vf) (Max) @ If	490 mV @ 30 A
Speed	Fast Recovery ≤ 500ns, > 200mA (Io)
Current - Reverse Leakage @ Vr	4 mA @ 30 V
Capacitance @ Vr, F	2200pF @ 5V, 1MHz
Operating Temperature - Junction	-55°C ~ 150°C
Package / Case	Die
Mounting Type	Surface Mount
Technology	Schottky

Substitute Part Grouping Explanation

Substitution of the SD175SA30B.T2 is determined by electrical and mechanical parameter equivalence within the Schottky rectifier diode category. The critical parameters that define substitutability are:

Electrical Parameters:

Voltage - DC Reverse (Vr) (Max): 30 V
Current - Average Rectified (Io): 30 A
Voltage - Forward (Vf) (Max) @ If: 490 mV @ 30 A
Speed: Fast Recovery ≤ 500ns, > 200mA (Io)
Current - Reverse Leakage @ Vr: 4 mA @ 30 V
Capacitance @ Vr, F: 2200pF @ 5V, 1MHz
Operating Temperature - Junction: -55°C ~ 150°C

Mechanical Parameters:

Package / Case: Die
Mounting Type: Surface Mount
Technology: Schottky

Parts meeting all specified electrical and mechanical 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	SD175SA30B.T2	SD175SA30B.T
Manufacturer	SMC Diode Solutions	SMC Diode Solutions
Category	Diodes, Rectifiers	Diodes, Rectifiers
Technology	Schottky	Schottky
Voltage - DC Reverse (Vr) (Max)	30 V	30 V
Current - Average Rectified (Io)	30 A	30 A
Voltage - Forward (Vf) (Max) @ If	490 mV @ 30 A	490 mV @ 30 A
Speed	Fast Recovery ≤ 500ns, > 200mA (Io)	Fast Recovery ≤ 500ns, > 200mA (Io)
Current - Reverse Leakage @ Vr	4 mA @ 30 V	4 mA @ 30 V
Capacitance @ Vr, F	2200pF @ 5V, 1MHz	2200pF @ 5V, 1MHz
Operating Temperature - Junction	-55°C ~ 150°C	-55°C ~ 150°C
Package / Case	Die	Die
Mounting Type	Surface Mount	Surface Mount
Packaging	Tray	Tray
Product Status	Active	Active
RoHS Status	ROHS3 Compliant	ROHS3 Compliant
REACH Status	REACH Affected	REACH Affected

Engineering Selection Recommendations

The SD175SA30B.T is a direct parametric equivalent to the SD175SA30B.T2. Both parts are manufactured by SMC Diode Solutions and share identical electrical specifications, mechanical configuration, and compliance certifications. Selection between these parts is based on availability and procurement requirements.

Both parts maintain Active product status, ensuring continued manufacturing support and supply chain availability. RoHS3 compliance and REACH affected status are consistent across both variants, supporting regulatory requirements for industrial and commercial applications.

The die package format and surface mount configuration are identical, eliminating any redesign or rework requirements for circuit board assembly. Forward voltage characteristics, reverse leakage performance, and fast recovery speed specifications are matched across both part numbers.

Frequently Asked Questions (FAQ)

Q: Can SD175SA30B.T be used as a direct replacement for SD175SA30B.T2?

A: Yes. The SD175SA30B.T is a parametric equivalent with identical electrical ratings (30V, 30A), forward voltage (490 mV @ 30 A), reverse leakage (4 mA @ 30 V), and fast recovery speed (≤ 500ns). Both parts use the same die package and surface mount configuration. No circuit modifications are required.

Q: What is the difference between SD175SA30B.T2 and SD175SA30B.T?

A: The part numbers differ only in the suffix designation (.T2 versus .T). All electrical parameters, mechanical specifications, and compliance certifications are identical. The difference reflects internal manufacturer coding or packaging lot designation.

Q: Are both parts RoHS3 compliant?

A: Yes. Both SD175SA30B.T2 and SD175SA30B.T are ROHS3 Compliant and REACH Affected, meeting current regulatory requirements for hazardous substance restrictions.

Q: What is the operating temperature range for these diodes?

A: The junction operating temperature range is -55°C to 150°C for both parts, supporting applications across industrial, automotive, and commercial temperature environments.

Q: Can these die package diodes be used interchangeably in surface mount applications?

A: Yes. Both parts are surface mount die packages with identical mechanical specifications, allowing direct substitution in PCB assembly processes without tooling or design changes.

Q: What is the reverse leakage current specification?

A: Both parts specify 4 mA reverse leakage current at the maximum rated reverse voltage of 30V, ensuring consistent performance in high-voltage switching circuits.

Q: Are there inventory differences between the two part numbers?

A: Current inventory shows 855 pieces of SD175SA30B.T2 and 822 pieces of SD175SA30B.T in stock. Availability may vary based on procurement timing and supply chain conditions.

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