SS26L RHG Schottky Diode Equivalent & Substitute Parts

Part Overview

The SS26L RHG is a 60V, 2A Schottky rectifier diode manufactured by Taiwan Semiconductor Corporation, designed for surface mount applications in the DO-219AB (Sub SMA) package. This component is classified as Active product status and is ROHS3 compliant. Equivalent and substitute parts are identified based on matching electrical specifications, package compatibility, and thermal operating ranges. Alternative part numbers are necessary to support supply chain flexibility, inventory availability, and application-specific requirements such as automotive qualification or alternative packaging formats.

Key Parameters

Parameter	Value
Voltage - DC Reverse (Vr) (Max)	60 V
Current - Average Rectified (Io)	2 A
Voltage - Forward (Vf) (Max) @ If	700 mV @ 2 A
Speed	Fast Recovery ≤ 500ns, > 200mA (Io)
Current - Reverse Leakage @ Vr	400 µA @ 60 V
Mounting Type	Surface Mount
Package / Case	DO-219AB
Operating Temperature - Junction	-55°C ~ 150°C
Technology	Schottky
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution of the SS26L RHG is determined by the following critical parameters: reverse voltage rating (60V), average rectified current (2A), forward voltage drop (700 mV @ 2A), fast recovery speed (≤ 500ns), package type (DO-219AB), and operating temperature range (-55°C ~ 150°C). Parts are grouped into two categories:

Parametric Equivalent (Full Electrical Match): SS26L RVG maintains identical electrical specifications and current rating, differing only in packaging format (Cut Tape versus standard packaging).

Similar Parts (Reduced Current Rating or Enhanced Specifications): SS1FH6-M3/H and SS1FH6HM3/H operate at 1A (reduced from 2A) with identical voltage ratings and improved reverse leakage characteristics (3 µA versus 400 µA). SS2FH6HM3/H matches the 2A current rating with automotive-grade qualification (AEC-Q101) and slightly elevated forward voltage (780 mV @ 2A). All similar parts maintain DO-219AB package compatibility and fast recovery speed specifications.

Parameter Comparison

Parameter	SS26L RHG	SS26L RVG	SS1FH6-M3/H	SS1FH6HM3/H	SS2FH6HM3/H
Manufacturer	Taiwan Semiconductor Corporation	Taiwan Semiconductor Corporation	Vishay General Semiconductor - Diodes Division	Vishay General Semiconductor - Diodes Division	Vishay General Semiconductor - Diodes Division
Voltage - DC Reverse (Vr) (Max)	60 V	60 V	60 V	60 V	60 V
Current - Average Rectified (Io)	2 A	2 A	1 A	1 A	2 A
Voltage - Forward (Vf) (Max) @ If	700 mV @ 2 A	700 mV @ 2 A	700 mV @ 1 A	700 mV @ 1 A	780 mV @ 2 A
Speed	Fast Recovery ≤ 500ns, > 200mA (Io)	Fast Recovery ≤ 500ns, > 200mA (Io)	Fast Recovery ≤ 500ns, > 200mA (Io)	Fast Recovery ≤ 500ns, > 200mA (Io)	Fast Recovery ≤ 500ns, > 200mA (Io)
Current - Reverse Leakage @ Vr	400 µA @ 60 V	400 µA @ 60 V	3 µA @ 60 V	3 µA @ 60 V	3 µA @ 60 V
Package / Case	DO-219AB	DO-219AB	DO-219AB	DO-219AB	DO-219AB
Operating Temperature - Junction	-55°C ~ 150°C	-55°C ~ 150°C	-55°C ~ 175°C	-55°C ~ 175°C	-55°C ~ 175°C
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
REACH Status	REACH Unaffected	REACH Unaffected	REACH Unaffected	REACH Unaffected	REACH Unaffected

Engineering Selection Recommendations

SS26L RVG is the direct parametric equivalent to SS26L RHG, offering identical electrical performance and current rating. Selection between these two Taiwan Semiconductor Corporation parts is determined by packaging requirements: SS26L RVG is supplied in Cut Tape format, while SS26L RHG uses standard packaging. Both maintain ROHS3 compliance and unlimited moisture sensitivity rating.

SS2FH6HM3/H is the recommended substitute when 2A current capacity is required and automotive-grade qualification is necessary. This Vishay part maintains the 2A rating and 60V reverse voltage specification with AEC-Q101 automotive qualification. The forward voltage is slightly elevated at 780 mV @ 2A compared to 700 mV @ 2A for the main part. Operating temperature range extends to 175°C, providing enhanced thermal margin. ROHS3 compliance and REACH unaffected status are maintained.

SS1FH6-M3/H and SS1FH6HM3/H are applicable only in applications where current requirements do not exceed 1A. These Vishay parts offer superior reverse leakage characteristics (3 µA versus 400 µA) and extended operating temperature to 175°C. SS1FH6HM3/H includes AEC-Q101 automotive qualification. Both maintain 60V reverse voltage rating and fast recovery speed. Selection between these two 1A options depends on automotive qualification necessity.

All substitute parts maintain DO-219AB package compatibility, fast recovery speed specification, and regulatory compliance status (ROHS3, REACH unaffected, EAR99 ECCN classification).

Frequently Asked Questions (FAQ)

Q: Can SS26L RVG be used as a direct replacement for SS26L RHG?

A: Yes. SS26L RVG is a parametric equivalent with identical electrical specifications: 60V reverse voltage, 2A average rectified current, 700 mV forward voltage @ 2A, and fast recovery speed. The difference is packaging format (Cut Tape for RVG). Both are ROHS3 compliant with unlimited moisture sensitivity rating.

Q: What is the key difference between the Taiwan Semiconductor Corporation SS26L parts and the Vishay alternatives?

A: The Taiwan Semiconductor Corporation SS26L RHG and SS26L RVG specify 400 µA reverse leakage @ 60V. Vishay parts (SS1FH6 and SS2FH6 series) specify 3 µA reverse leakage @ 60V, representing significantly lower leakage current. Vishay parts also extend operating temperature to 175°C versus 150°C for Taiwan Semiconductor parts.

Q: Can I use SS1FH6-M3/H or SS1FH6HM3/H in place of SS26L RHG?

A: These 1A-rated parts are suitable only if circuit current requirements do not exceed 1A. The SS26L RHG is rated for 2A average rectified current. Using a 1A-rated diode in a 2A application exceeds component specifications. Both 1A parts maintain 60V reverse voltage and fast recovery speed compatibility.

Q: What is the significance of AEC-Q101 qualification on SS1FH6HM3/H and SS2FH6HM3/H?

A: AEC-Q101 is an automotive industry qualification standard. Parts bearing this qualification have undergone additional reliability testing and are approved for automotive applications. SS1FH6HM3/H and SS2FH6HM3/H carry this qualification; the Taiwan Semiconductor SS26L parts do not list automotive qualification.

Q: Are all substitute parts available in DO-219AB package?

A: Yes. All listed substitute parts use DO-219AB (SMF) package, ensuring mechanical and thermal compatibility with SS26L RHG. Packaging format differences (Cut Tape, Tape & Reel) affect supply and handling but not electrical or mechanical fit.

Q: What is the impact of forward voltage differences between SS26L RHG (700 mV @ 2A) and SS2FH6HM3/H (780 mV @ 2A)?

A: The 80 mV difference represents increased voltage drop across the diode at 2A current. This results in higher power dissipation and heat generation. Circuit design must account for this difference in thermal management and voltage regulation calculations.

Q: Can I mix SS26L RHG and SS26L RVG in the same circuit board?

A: Yes. Both parts are parametric equivalents with identical electrical specifications. Mixing is acceptable from an electrical standpoint. Inventory and supply chain management may dictate such mixed sourcing.

Q: What does "Fast Recovery ≤ 500ns, > 200mA (Io)" mean?

A: This specifies the diode's reverse recovery time is 500 nanoseconds or less when switching from forward conduction to reverse blocking at currents exceeding 200 milliamps. All listed parts meet this specification, ensuring compatibility in high-frequency switching applications.

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