Equivalent & Substitute Parts Reference: RU 3M (Sanken Electric USA Inc.)

Part Overview

Manufacturer part number RU 3M from Sanken Electric USA Inc. is a general-purpose rectifier diode, rated for 400 V and 1.5 A, in an axial through-hole package. The device features fast recovery characteristics (400 ns reverse recovery time) and complies with RoHS requirements. The product status is Obsolete, which necessitates engineering evaluation and identification of suitable substitute parts within the same Diodes, Rectifiers category. Substitute parts must be selected according to electrical parameters and compliance certifications explicitly provided.

Key Parameters

Parameter	Value
Voltage - DC Reverse (Vr) (Max)	400 V
Current - Average Rectified (Io)	1.5A
Voltage - Forward (Vf) (Max) @ If	1.1 V @ 1.5 A
Reverse Recovery Time (trr)	400 ns
Current - Reverse Leakage @ Vr	10 µA @ 400 V
Mounting Type	Through Hole
Package / Case	Axial
Operating Temperature - Junction	-40°C ~ 150°C
RoHS Status	RoHS Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)
ECCN	EAR99
HTSUS	8541.10.0080

Substitute Part Grouping Explanation

Substitute components are grouped strictly based on the alignment of electrical ratings and mechanical format with the main part, RU 3M. The key substitution parameters required are: maximum reverse voltage (Vr), average rectified current (Io), forward voltage (Vf) at the rated current, reverse recovery time (trr), reverse leakage current, package type (axial through-hole), operating temperature range, RoHS compliance status, and associated MSL, ECCN, and HTSUS designations. Only parts meeting or exceeding these criteria within the provided parameter values are included.

Parameter Comparison

Parameter	RU 3M	1N5395-E3/73	GP15G-E3/73
Manufacturer	Sanken Electric USA Inc.	Vishay General Semiconductor - Diodes Division	Vishay General Semiconductor - Diodes Division
Category	Diodes, Rectifiers	Diodes, Rectifiers	Diodes, Rectifiers
Voltage - DC Reverse (Vr) (Max)	400 V	400 V	400 V
Current - Average Rectified (Io)	1.5A	1.5A	1.5A
Voltage - Forward (Vf) (Max) @ If	1.1 V @ 1.5 A	1.4 V @ 1.5 A	1.1 V @ 1.5 A
Reverse Recovery Time (trr)	400 ns	2 µs	3.5 µs
Current - Reverse Leakage @ Vr	10 µA @ 400 V	5 µA @ 400 V	5 µA @ 400 V
Mounting Type	Through Hole	Through Hole	Through Hole
Package / Case	Axial	DO-204AL, DO-41, Axial	DO-204AC, DO-15, Axial
Operating Temperature - Junction	-40°C ~ 150°C	-50°C ~ 150°C	-65°C ~ 175°C
RoHS Status	RoHS Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
ECCN	EAR99	EAR99	EAR99
HTSUS	8541.10.0080	8541.10.0080	8541.10.0080

Engineering Selection Recommendations

RU 3M is classified as obsolete. Substitute parts 1N5395-E3/73 and GP15G-E3/73 are classified as active and comply with RoHS requirements. The Moisture Sensitivity Level (MSL) for all parts is 1 (Unlimited), indicating no restriction for ambient conditions during storage or handling. Substitute parts maintain the ECCN EAR99 and HTSUS 8541.10.0080 codes, which align with export and customs requirements for typical semiconductor diodes. Selection may be made strictly in accordance with product status and compliance documentation as provided.

Frequently Asked Questions (FAQ)

Q1: What parameters determine whether 1N5395-E3/73 or GP15G-E3/73 can substitute RU 3M?
Electrical parameters including reverse voltage (400 V), forward current rating (1.5A), package type (axial, through-hole), forward voltage at rated current, reverse recovery time, reverse leakage current, and compliance status determine eligibility for substitution.

Q2: Are the package and mounting methods compatible?
Main part RU 3M and substitute parts 1N5395-E3/73 and GP15G-E3/73 utilize axial, through-hole package formats. Mechanical compatibility is ensured within the package and mounting types explicitly listed.

Q3: What is the impact of differences in reverse recovery time?
RU 3M features a reverse recovery time of 400 ns. Substitute parts offer trr values of 2 µs and 3.5 µs, respectively. Selection must be based on the criteria provided in the parameter comparison.

Q4: Do the substitute diodes meet RoHS and MSL requirements?
Both substitute diodes are ROHS3 Compliant and have MSL of 1 (Unlimited), aligned with RU 3M's compliance documentation.

Q5: Do all substitutes have the same customs and export classification?
All listed parts maintain the same ECCN (EAR99) and HTSUS (8541.10.0080) as the main part number.

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