DL4004-13 Equivalent & Substitute Parts

Part Overview

The DL4004-13 is a general-purpose rectifier diode manufactured by Diodes Incorporated, rated for 400 V DC reverse voltage and 1 A average rectified current in a surface mount MELF package. This component is classified as discontinued at DiGi Electronics, necessitating identification of active equivalent alternatives that maintain electrical and mechanical compatibility for ongoing production and repair applications.

Key Parameters

Parameter	Value
Voltage - DC Reverse (Vr) (Max)	400 V
Current - Average Rectified (Io)	1 A
Voltage - Forward (Vf) (Max) @ If	1.1 V @ 1 A
Speed	Standard Recovery >500ns, > 200mA (Io)
Current - Reverse Leakage @ Vr	5 µA @ 400 V
Mounting Type	Surface Mount
Package / Case	DO-213AB, MELF (Glass)
Operating Temperature - Junction	-55°C ~ 150°C
RoHS Status	RoHS non-compliant

Substitute Part Grouping Explanation

Substitution of the DL4004-13 is determined by the following critical parameters:

Electrical Compatibility Requirements:

Voltage - DC Reverse (Vr) (Max): 400 V minimum
Current - Average Rectified (Io): 1 A minimum
Mounting Type: Surface Mount
Package / Case: DO-213AB, MELF (Glass) or compatible surface mount MELF variant

Acceptable Variations:

Forward voltage (Vf) may vary within standard rectifier tolerances
Recovery speed classification (Standard or Fast Recovery) is acceptable
Reverse leakage current may be lower than the original specification
Operating temperature range may exceed the original specification
RoHS compliance status may differ from the original part

Substitute parts are grouped into two categories based on package compatibility:

Category 1: DO-213AB MELF Package (Direct Mechanical Substitutes) Parts maintaining identical package geometry: 1N6481-E3/96, BYM12-400-E3/96, EGL41G-E3/96, EGL41G-E3/97

Category 2: Alternative Surface Mount Package (Functional Equivalent) Parts with different surface mount package: 1N5616US (SQ-MELF, A package)

Parameter Comparison

Parameter	DL4004-13	1N6481-E3/96	BYM12-400-E3/96	EGL41G-E3/96	EGL41G-E3/97	1N5616US
Manufacturer	Diodes Incorporated	Vishay General Semiconductor	Vishay General Semiconductor	Vishay General Semiconductor	Vishay General Semiconductor	Microchip Technology
Voltage - DC Reverse (Vr) (Max)	400 V	400 V	400 V	400 V	400 V	400 V
Current - Average Rectified (Io)	1 A	1 A	1 A	1 A	1 A	1 A
Voltage - Forward (Vf) (Max) @ If	1.1 V @ 1 A	1.1 V @ 1 A	1.25 V @ 1 A	1.25 V @ 1 A	1.25 V @ 1 A	1.3 V @ 3 A
Speed	Standard Recovery >500ns, > 200mA (Io)	Standard Recovery >500ns, > 200mA (Io)	Fast Recovery =< 500ns, > 200mA (Io)	Fast Recovery =< 500ns, > 200mA (Io)	Fast Recovery =< 500ns, > 200mA (Io)	Standard Recovery >500ns, > 200mA (Io)
Current - Reverse Leakage @ Vr	5 µA @ 400 V	10 µA @ 400 V	5 µA @ 400 V	5 µA @ 400 V	5 µA @ 400 V	500 nA @ 400 V
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount
Package / Case	DO-213AB, MELF (Glass)	DO-213AB, MELF (Glass)	DO-213AB, MELF (Glass)	DO-213AB, MELF (Glass)	DO-213AB, MELF (Glass)	SQ-MELF, A
Operating Temperature - Junction	-55°C ~ 150°C	-65°C ~ 175°C	-65°C ~ 175°C	-65°C ~ 175°C	-65°C ~ 175°C	-65°C ~ 200°C
Product Status	Discontinued at DiGi Electronics	Active	Active	Active	Active	Active
RoHS Status	RoHS non-compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	RoHS non-compliant

Engineering Selection Recommendations

For Direct Package Compatibility (DO-213AB MELF):

The 1N6481-E3/96 provides the closest electrical match to the DL4004-13, maintaining identical forward voltage characteristics (1.1 V @ 1 A) and standard recovery speed classification. This part is ROHS3 compliant and rated for extended operating temperature range (-65°C ~ 175°C). The 1N6481-E3/96 is supplied in Tape & Reel packaging with 45,802 units in stock.

The BYM12-400-E3/96 and EGL41G-E3/96 are functionally equivalent alternatives with fast recovery characteristics (≤500ns) and identical reverse leakage current (5 µA @ 400 V). Both are ROHS3 compliant with extended temperature ratings. The BYM12-400-E3/96 is supplied in Cut Tape & Digi-Reel packaging (2,100 units in stock), while EGL41G-E3/96 is supplied in Tape & Reel (15,522 units in stock).

The EGL41G-E3/97 is electrically identical to EGL41G-E3/96 with the same fast recovery speed and ROHS3 compliance, supplied in Tape & Reel packaging (5,773 units in stock).

For Alternative Surface Mount Package:

The 1N5616US from Microchip Technology provides functional equivalence with 400 V reverse voltage and 1 A average rectified current in a SQ-MELF, A package. This part exhibits superior reverse leakage characteristics (500 nA @ 400 V) and extended operating temperature range (-65°C ~ 200°C). The 1N5616US is RoHS non-compliant, matching the original part's compliance status, with 993 units in stock.

Compliance Considerations:

Parts requiring ROHS3 compliance should utilize 1N6481-E3/96, BYM12-400-E3/96, EGL41G-E3/96, or EGL41G-E3/97. Applications without RoHS compliance requirements may use 1N5616US, which maintains the original part's non-compliant status.

Frequently Asked Questions (FAQ)

Q: Can the 1N6481-E3/96 be used as a direct replacement for the DL4004-13?

A: Yes. The 1N6481-E3/96 maintains identical voltage rating (400 V), current rating (1 A), forward voltage characteristics (1.1 V @ 1 A), and package geometry (DO-213AB MELF). Both parts are classified as standard recovery diodes with recovery time >500ns at >200mA. The 1N6481-E3/96 is active and ROHS3 compliant.

Q: What is the difference between the BYM12-400-E3/96 and the 1N6481-E3/96?

A: The BYM12-400-E3/96 features fast recovery characteristics (≤500ns) compared to the standard recovery (>500ns) of the 1N6481-E3/96. Both maintain 400 V reverse voltage and 1 A average rectified current ratings. The BYM12-400-E3/96 has a reverse recovery time of 50 ns and forward voltage of 1.25 V @ 1 A, compared to 1.1 V @ 1 A for the 1N6481-E3/96. Both are supplied in DO-213AB MELF packages and are ROHS3 compliant.

Q: Are EGL41G-E3/96 and EGL41G-E3/97 interchangeable?

A: Yes. Both parts are electrically identical with 400 V reverse voltage, 1 A average rectified current, fast recovery characteristics (≤500ns), 50 ns reverse recovery time, and identical forward voltage (1.25 V @ 1 A). Both are supplied in DO-213AB MELF packages and are ROHS3 compliant. The difference is in packaging designation and inventory availability.

Q: Can the 1N5616US be used in place of the DL4004-13?

A: The 1N5616US is functionally equivalent with matching 400 V reverse voltage and 1 A average rectified current ratings. However, the 1N5616US uses a SQ-MELF, A package instead of the DO-213AB MELF package of the DL4004-13. Physical board layout compatibility must be verified before substitution. The 1N5616US exhibits superior reverse leakage characteristics (500 nA @ 400 V) and extended operating temperature range (-65°C ~ 200°C).

Q: Which substitute part has the lowest reverse leakage current?

A: The 1N5616US exhibits the lowest reverse leakage current at 500 nA @ 400 V, compared to 5 µA @ 400 V for the DL4004-13 and most substitute parts. The 1N6481-E3/96 has 10 µA @ 400 V reverse leakage.

Q: What is the primary reason for substituting the DL4004-13?

A: The DL4004-13 is discontinued at DiGi Electronics. Active equivalent parts with identical or superior electrical characteristics and compliance ratings are available from Vishay General Semiconductor and Microchip Technology to support ongoing production and repair requirements.

Q: Are all substitute parts ROHS3 compliant?

A: No. The 1N5616US from Microchip Technology is RoHS non-compliant, matching the original DL4004-13 status. The 1N6481-E3/96, BYM12-400-E3/96, EGL41G-E3/96, and EGL41G-E3/97 are all ROHS3 compliant.

Q: What is the operating temperature range difference between the DL4004-13 and its substitutes?

A: The DL4004-13 operates from -55°C to 150°C. All substitute parts extend this range: 1N6481-E3/96, BYM12-400-E3/96, EGL41G-E3/96, and EGL41G-E3/97 operate from -65°C to 175°C. The 1N5616US operates from -65°C to 200°C, providing the widest temperature range.

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