SS1H9-M3/5AT Equivalent & Substitute Parts

Part Overview

The SS1H9-M3/5AT is an active Schottky rectifier diode manufactured by Vishay General Semiconductor - Diodes Division. This surface mount component operates at 90 V DC reverse voltage with 1 A average rectified current in a DO-214AC (SMA) package. The part is supplied in Tape & Reel packaging and maintains RoHS3 compliance with unlimited moisture sensitivity level rating.

Equivalent and substitute parts are identified to support procurement flexibility, inventory management, and supply chain continuity. Substitutes must maintain electrical compatibility across voltage, current, and thermal operating ranges while preserving package and mounting specifications.

Key Parameters

Parameter	Value	Unit
Voltage - DC Reverse (Vr) (Max)	90	V
Current - Average Rectified (Io)	1	A
Voltage - Forward (Vf) (Max) @ If	860 mV @ 2 A	mV
Speed	Fast Recovery ≤ 500ns, > 200mA (Io)	ns
Current - Reverse Leakage @ Vr	1	µA @ 90 V
Operating Temperature - Junction	-65 to 175	°C
Package / Case	DO-214AC, SMA	—
Mounting Type	Surface Mount	—
Technology	Schottky	—
RoHS Status	ROHS3 Compliant	—
Moisture Sensitivity Level (MSL)	1 (Unlimited)	—

Substitute Part Grouping Explanation

Substitution eligibility for the SS1H9-M3/5AT is determined by the following critical parameters:

Mandatory Compatibility Criteria:

Voltage - DC Reverse (Vr) (Max): Must equal or exceed 90 V
Current - Average Rectified (Io): Must equal or exceed 1 A
Package / Case: Must be DO-214AC or SMA equivalent
Mounting Type: Must be Surface Mount
Technology: Must be Schottky rectifier diode
Operating Temperature - Junction: Must support the application's thermal range
RoHS Status: Must maintain ROHS3 compliance

Substitution Logic: Parts are grouped as direct substitutes when they meet or exceed the electrical specifications of the main part while maintaining package compatibility and regulatory compliance. Forward voltage characteristics, reverse leakage current, and junction temperature ratings are secondary parameters that influence performance but do not disqualify substitution when primary criteria are satisfied.

Parameter Comparison

Parameter	SS1H9-M3/5AT (Vishay)	B1100-13-F (Diodes Inc.)	B190-13-F (Diodes Inc.)	SS19 (Taiwan Semiconductor)
Voltage - DC Reverse (Vr) (Max)	90 V	100 V	90 V	90 V
Current - Average Rectified (Io)	1 A	1 A	1 A	1 A
Voltage - Forward (Vf) (Max) @ If	860 mV @ 2 A	790 mV @ 1 A	790 mV @ 1 A	800 mV @ 1 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 µA @ 90 V	500 µA @ 100 V	500 µA @ 90 V	100 µA @ 90 V
Operating Temperature - Junction	-65 to 175°C	-65 to 150°C	-65 to 150°C	-55 to 150°C
Package / Case	DO-214AC, SMA	DO-214AC, SMA	DO-214AC, SMA	DO-214AC, SMA
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount
Technology	Schottky	Schottky	Schottky	Schottky
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)

Engineering Selection Recommendations

B1100-13-F (Diodes Incorporated): This substitute provides 100 V reverse voltage rating, exceeding the 90 V specification of the main part. It maintains 1 A average rectified current and fast recovery characteristics. Forward voltage is lower at 790 mV @ 1 A compared to 860 mV @ 2 A on the main part. Operating temperature range is -65 to 150°C, which is 25°C lower at the maximum junction temperature. The part is ROHS3 compliant with unlimited MSL rating. Selection is appropriate for applications where higher voltage margin is beneficial and maximum junction temperature does not exceed 150°C.

B190-13-F (Diodes Incorporated): This substitute matches the 90 V reverse voltage specification exactly and maintains 1 A average rectified current. Forward voltage is 790 mV @ 1 A, lower than the main part. Operating temperature range is -65 to 150°C, providing 25°C lower maximum junction temperature than the main part. The part is ROHS3 compliant with unlimited MSL rating. Selection is appropriate for direct replacement in applications where maximum junction temperature does not exceed 150°C.

SS19 (Taiwan Semiconductor Corporation): This substitute matches the 90 V reverse voltage and 1 A average rectified current specifications. Forward voltage is 800 mV @ 1 A. Operating temperature range is -55 to 150°C, which is 10°C higher at the minimum junction temperature and 25°C lower at the maximum. Reverse leakage current is 100 µA @ 90 V, higher than the main part at 1 µA. The part is ROHS3 compliant with unlimited MSL rating. Selection is appropriate for applications where minimum junction temperature does not fall below -55°C and maximum does not exceed 150°C.

All substitute parts maintain surface mount DO-214AC (SMA) package compatibility, Schottky technology, and regulatory compliance with the main part.

Frequently Asked Questions (FAQ)

Q: Can B1100-13-F be used as a direct replacement for SS1H9-M3/5AT?

A: B1100-13-F is electrically compatible as a substitute. It exceeds the 90 V reverse voltage requirement at 100 V and maintains 1 A average rectified current. Both parts use DO-214AC (SMA) surface mount packages. The primary consideration is the reduced maximum junction temperature of 150°C versus 175°C on the main part. Substitution is valid for applications operating within -65 to 150°C range.

Q: What is the difference in forward voltage between the main part and substitutes?

A: The SS1H9-M3/5AT specifies 860 mV @ 2 A forward voltage. B1100-13-F, B190-13-F, and SS19 all specify lower forward voltages at 790 mV, 790 mV, and 800 mV respectively, measured at 1 A. Lower forward voltage reduces power dissipation in the diode during conduction.

Q: Are all substitute parts available in the same packaging format?

A: The main part SS1H9-M3/5AT is supplied in Tape & Reel (TR) packaging. B1100-13-F is available in Cut Tape (CT) & Digi-Reel® packaging. B190-13-F is supplied in Tape & Reel (TR) packaging. SS19 packaging format is not specified in the provided data. Package format does not affect electrical compatibility but may influence procurement and handling procedures.

Q: What is the significance of reverse leakage current differences?

A: The SS1H9-M3/5AT specifies 1 µA @ 90 V reverse leakage. B1100-13-F and B190-13-F specify 500 µA @ 100 V and 500 µA @ 90 V respectively. SS19 specifies 100 µA @ 90 V. Higher reverse leakage increases standby power consumption. Selection depends on application sensitivity to leakage current characteristics.

Q: Can substitutes be used in applications requiring -65°C minimum junction temperature?

A: B1100-13-F and B190-13-F support -65°C minimum junction temperature, matching the main part. SS19 supports only -55°C minimum, which is 10°C higher. For applications requiring -65°C operation, SS19 is not suitable.

Q: Are all parts RoHS3 compliant?

A: Yes. The main part SS1H9-M3/5AT and all substitute parts B1100-13-F, B190-13-F, and SS19 are ROHS3 compliant with unlimited moisture sensitivity level (MSL 1) rating.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message