Equivalent & Substitute Parts Reference for Sanken Electric RY2A Diode (DIODE GEN PURP 600V 3A AXIAL)

Part Overview

The Sanken Electric USA Inc. RY2A is a general-purpose axial diode classified under the Diodes, Rectifiers product category. It features a maximum DC reverse voltage of 600 V, an average rectified current of 3A, and fast recovery performance (reverse recovery time of 200 ns). This through-hole device is designated as obsolete, necessitating the identification of substitute diode models for ongoing designs, inventory replenishment, repair, and production continuity. Alternative selection is required strictly based on matching key electrical, mechanical, and environmental parameters.

Key Parameters

Parameter	Value
Manufacturer Part Number	RY2A
Category	Diodes, Rectifiers
Description	DIODE GEN PURP 600V 3A AXIAL
Voltage - DC Reverse (Vr) (Max)	600 V
Current - Average Rectified (Io)	3A
Voltage - Forward (Vf) (Max) @ If	1.15 V @ 3 A
Speed	Fast Recovery =< 500ns, > 200mA (Io)
Reverse Recovery Time (trr)	200 ns
Current - Reverse Leakage @ Vr	10 µA @ 600 V
Mounting Type	Through Hole
Package / Case	Axial
Operating Temperature - Junction	-40°C ~ 150°C
Moisture Sensitivity Level (MSL)	1 (Unlimited)
Product Status	Obsolete

Substitute Part Grouping Explanation

Substitute selection for the Sanken Electric RY2A in the Diodes, Rectifiers category is based strictly on the following key parameters:

Maximum Reverse Voltage (Vr)
Average Rectified Current (Io)
Maximum Forward Voltage Drop (Vf) at specified current
Reverse Recovery Time (trr)
Reverse Leakage Current at maximum Vr
Mechanical mounting (Through Hole, Axial package)
Operating Junction Temperature Range
Compliance information (RoHS, MSL)

Only parts matching or surpassing these explicit specifications can be considered substitutes or equivalents.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Category	Voltage - DC Reverse (Vr) (Max)	Current - Average Rectified (Io)	Voltage - Forward (Vf) (Max) @ If	Speed / Reverse Recovery Time (trr)	Current - Reverse Leakage @ Vr	Mounting Type	Package / Case	Operating Temperature - Junction	Moisture Sensitivity Level (MSL)	Product Status	RoHS Status
RY2A	Sanken Electric USA Inc.	Diodes, Rectifiers	600 V	3A	1.15 V @ 3 A	200 ns	10 µA @ 600 V	Through Hole	Axial	-40°C ~ 150°C	1 (Unlimited)	Obsolete	-
1N5190	Microchip Technology	Diodes, Rectifiers	600 V	3A	1.5 V @ 9 A	400 ns	2 µA @ 600 V	Through Hole	B, Axial	-65°C ~ 175°C	1 (Unlimited)	Active	RoHS non-compliant
1N5406-E3/54	Vishay General Semiconductor	Diodes, Rectifiers	600 V	3A	1.2 V @ 3 A	Standard Recovery >500ns	5 µA @ 600 V	Through Hole	DO-201AD, Axial	-50°C ~ 150°C	Not Applicable	Active	ROHS3 Compliant
1N5406-E3/73	Vishay General Semiconductor	Diodes, Rectifiers	600 V	3A	1.2 V @ 3 A	Standard Recovery >500ns	5 µA @ 600 V	Through Hole	DO-201AD, Axial	-50°C ~ 150°C	1 (Unlimited)	Active	ROHS3 Compliant
1N5406G	Taiwan Semiconductor Corporation	Diodes, Rectifiers	600 V	3A	1 V @ 3 A	Standard Recovery >500ns	5 µA @ 600 V	Through Hole	DO-201AD, Axial	-55°C ~ 150°C	1 (Unlimited)	Active	ROHS3 Compliant
1N5406RLG	onsemi	Diodes, Rectifiers	600 V	3A	1 V @ 3 A	Standard Recovery >500ns	10 µA @ 600 V	Through Hole	DO-201AA, DO-27, Axial	-65°C ~ 150°C	Not Applicable	Not For New Designs	ROHS3 Compliant
1N5420	Microchip Technology	Diodes, Rectifiers	600 V	3A	1.5 V @ 9 A	400 ns	1 µA @ 600 V	Through Hole	B, Axial	-65°C ~ 175°C	1 (Unlimited)	Active	RoHS non-compliant
31GF6-E3/54	Vishay General Semiconductor	Diodes, Rectifiers	600 V	3A	1.6 V @ 3 A	30 ns	20 µA @ 600 V	Through Hole	DO-201AD, Axial	-40°C ~ 150°C	1 (Unlimited)	Active	ROHS3 Compliant
BY253P-E3/54	Vishay General Semiconductor	Diodes, Rectifiers	600 V	3A	1.1 V @ 3 A	3 µs	5 µA @ 600 V	Through Hole	DO-201AD, Axial	-55°C ~ 150°C	1 (Unlimited)	Active	ROHS3 Compliant
EGP30J	onsemi	Diodes, Rectifiers	600 V	3A	1.7 V @ 3 A	75 ns	5 µA @ 600 V	Through Hole	DO-201AD, Axial	-65°C ~ 150°C	Not Applicable	Not For New Designs	ROHS3 Compliant
GI506-E3/54	Vishay General Semiconductor	Diodes, Rectifiers	600 V	3A	1.1 V @ 9.4 A	2 µs	5 µA @ 600 V	Through Hole	DO-201AD, Axial	-50°C ~ 150°C	1 (Unlimited)	Active	ROHS3 Compliant
GP30J-E3/54	Vishay General Semiconductor	Diodes, Rectifiers	600 V	3A	1.1 V @ 3 A	5 µs	5 µA @ 600 V	Through Hole	DO-201AD, Axial	-65°C ~ 175°C	1 (Unlimited)	Active	ROHS3 Compliant
GP30J-E3/73	Vishay General Semiconductor	Diodes, Rectifiers	600 V	3A	1.1 V @ 3 A	5 µs	5 µA @ 600 V	Through Hole	DO-201AD, Axial	-65°C ~ 175°C	1 (Unlimited)	Active	ROHS3 Compliant
MR856G	onsemi	Diodes, Rectifiers	600 V	3A	1.25 V @ 3 A	300 ns	10 µA @ 600 V	Through Hole	DO-201AA, DO-27, Axial	-65°C ~ 125°C	1 (Unlimited)	Active	ROHS3 Compliant
MR856RLG	onsemi	Diodes, Rectifiers	600 V	3A	1.25 V @ 3 A	300 ns	10 µA @ 600 V	Through Hole	DO-201AA, DO-27, Axial	-65°C ~ 125°C	1 (Unlimited)	Active	ROHS3 Compliant
RGP30J-E3/54	Vishay General Semiconductor	Diodes, Rectifiers	600 V	3A	1.3 V @ 3 A	250 ns	5 µA @ 600 V	Through Hole	DO-201AD, Axial	-65°C ~ 175°C	1 (Unlimited)	Active	ROHS3 Compliant
UF5406-E3/54	Vishay General Semiconductor	Diodes, Rectifiers	600 V	3A	1.7 V @ 3 A	75 ns	10 µA @ 600 V	Through Hole	DO-201AD, Axial	-55°C ~ 150°C	1 (Unlimited)	Active	ROHS3 Compliant
UF5406-E3/73	Vishay General Semiconductor	Diodes, Rectifiers	600 V	3A	1.7 V @ 3 A	75 ns	10 µA @ 600 V	Through Hole	DO-201AD, Axial	-55°C ~ 150°C	1 (Unlimited)	Active	ROHS3 Compliant

Engineering Selection Recommendations

Select substitute diodes for obsolete Sanken Electric RY2A strictly according to product status, RoHS compliance, and moisture sensitivity level (MSL) as stated in the provided parameters. Give preference to parts with active status, unlimited MSL, and ROHS3 or equivalent compliant certification if environmental compliance is a requirement of the project. Confirm that selected substitutes maintain necessary key parameters for voltage, current, recovery time, package type, and temperature range as listed.

Frequently Asked Questions (FAQ)

Q1: Which parameters must match for the RY2A substitute in the Diodes, Rectifiers category?
A1: Substitution requires matching or exceeding DC reverse voltage (Vr), average rectified current (Io), forward voltage drop (Vf) at specified current, reverse recovery time (trr), reverse leakage current, mounting type, package form, and junction temperature rating.

Q2: How critical is physical package and mounting type for RY2A alternatives?
A2: Only through-hole, axial package types can be considered direct substitutes due to PCB footprint and assembly requirements.

Q3: Can substitutes have improved (lower) reverse recovery time or different forward voltage drop?
A3: Substitutes may have equal or lower (faster) reverse recovery time and equal or lower forward voltage drop, as long as other key parameters remain within specified limits.

Q4: What role do RoHS and MSL status play in selecting a replacement?
A4: If project compliance mandates, select alternatives with ROHS3 or equivalent status and unlimited MSL. Always check product status for active or not recommended for new designs.

Q5: What temperature range is acceptable for substitutes?
A5: The acceptable operating temperature range for substitutes must encompass -40°C to 150°C or wider, as specified for the RY2A.

Q6: Is it necessary to match reverse leakage current precisely?
A6: Substitutes with equal or lower reverse leakage current at maximum Vr can be accepted. Ensure provided value meets or betters original specifications.

Q7: Can a part with a different recovery time (e.g., standard vs fast) be used?
A7: Only parts categorized with fast recovery (≤500 ns) in the provided parameters can serve as equivalents, except if the main part allows standard recovery as an option. Refer strictly to speed classification and explicit trr values.

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