Equivalent & Substitute Parts for D6G-T

Part Overview

The D6G-T is a general-purpose rectifier diode manufactured by Diodes Incorporated, rated for 800 V DC reverse voltage and 1 A average rectified current. The device features standard recovery characteristics with a reverse recovery time of 2 µs and is packaged in a T-1 axial through-hole configuration. The part maintains active product status with full RoHS3 compliance and unlimited moisture sensitivity rating.

Substitute parts are identified when equivalent electrical performance can be achieved across the critical parameters of reverse voltage rating, average rectified current, forward voltage characteristics, and recovery speed classification, while maintaining compatible through-hole mounting configurations.

Key Parameters

Parameter	D6G-T Value	Unit
Voltage - DC Reverse (Vr) (Max)	800	V
Current - Average Rectified (Io)	1	A
Voltage - Forward (Vf) (Max) @ If	1.0 @ 1	V @ A
Speed Classification	Standard Recovery >500ns	-
Reverse Recovery Time (trr)	2	µs
Current - Reverse Leakage @ Vr	5	µA @ 800 V
Mounting Type	Through Hole	-
Operating Temperature - Junction	-65 to 150	°C
RoHS Status	ROHS3 Compliant	-

Substitute Part Grouping Explanation

Substitution eligibility is determined by matching the following critical parameters:

Mandatory Matching Criteria:

Voltage - DC Reverse (Vr) (Max): 800 V
Current - Average Rectified (Io): 1 A
Mounting Type: Through Hole
Technology: Standard

Compatible Variation Criteria:

Forward voltage (Vf) at 1 A: Acceptable range 1.0 V to 1.7 V
Speed Classification: Both Standard Recovery (>500ns) and Fast Recovery (≤500ns) are functionally compatible
Reverse Recovery Time (trr): Acceptable range 75 ns to 2 µs
Reverse Leakage Current: Acceptable range 5 nA to 500 nA at 800 V
Package/Case: T-1 (Axial), DO-41 (DO-204AL), or DO-15 (DO-204AC) configurations
Operating Temperature Range: Minimum -55°C to maximum 150°C acceptable

All substitute parts listed maintain active product status, RoHS3 compliance, and through-hole mounting compatibility with the D6G-T.

Parameter Comparison

Part Number	Manufacturer	Vr (Max) V	Io (A)	Vf (Max) @ 1A (V)	Speed	trr (ns/µs)	Ir @ 800V	Package	Tj Range (°C)
D6G-T	Diodes Incorporated	800	1	1.0	Standard >500ns	2 µs	5 µA	T-1 Axial	-65 to 150
1N4006-TP	Micro Commercial Co	800	1	1.1	Standard >500ns	2 µs	5 µA	DO-41	-55 to 150
1N4006GP-E3/54	Vishay General Semiconductor	800	1	1.1	Standard >500ns	2 µs	5 µA	DO-41	-65 to 175
1N5062GP-E3/54	Vishay General Semiconductor	800	1	1.2	Standard >500ns	2 µs	5 µA	DO-15	-65 to 175
1N5621GP-E3/54	Vishay General Semiconductor	800	1	1.2	Fast ≤500ns	300 ns	500 nA	DO-15	-65 to 175
BYV26DGP-E3/73	Vishay General Semiconductor	800	1	2.5	Fast ≤500ns	75 ns	5 µA	DO-15	-65 to 175
RGP10K	Fairchild Semiconductor	800	1	1.3	Fast ≤500ns	500 ns	5 µA	DO-41	-65 to 175
UF4006	Fairchild Semiconductor	800	1	1.7	Fast ≤500ns	75 ns	5 µA	DO-41	-50 to 175
UF4006-E3/54	Vishay General Semiconductor	800	1	1.7	Fast ≤500ns	75 ns	10 µA	DO-41	-55 to 150
UF4006-E3/73	Vishay General Semiconductor	800	1	1.7	Fast ≤500ns	75 ns	10 µA	DO-41	-55 to 150

Engineering Selection Recommendations

Standard Recovery Substitutes (Direct Functional Equivalents):

The 1N4006-TP, 1N4006GP-E3/54, and 1N5062GP-E3/54 maintain standard recovery characteristics matching the D6G-T speed classification. These parts are suitable for applications where recovery speed is not a limiting factor. The 1N4006GP-E3/54 offers extended upper temperature rating to 175°C compared to the D6G-T maximum of 150°C. All three maintain RoHS3 compliance and active product status.

Fast Recovery Substitutes (Enhanced Performance):

The 1N5621GP-E3/54, BYV26DGP-E3/73, RGP10K, UF4006, UF4006-E3/54, and UF4006-E3/73 feature fast recovery characteristics with reverse recovery times ranging from 75 ns to 500 ns. These parts are functionally compatible with the D6G-T and provide improved switching performance. All maintain 800 V reverse voltage rating and 1 A current rating. The 1N5621GP-E3/54 demonstrates the lowest reverse leakage current at 500 nA.

Compliance and Availability:

All substitute parts maintain RoHS3 compliance and active product status. The UF4006-E3/54 and UF4006-E3/73 variants from Vishay provide the highest inventory availability at 21,200 and 23,300 units respectively. The 1N4006GP-E3/54 offers 2,200 units in stock with extended temperature range capability.

Package Considerations:

The D6G-T utilizes T-1 axial packaging. Substitutes are available in DO-41 (DO-204AL) and DO-15 (DO-204AC) axial configurations. DO-41 packages are mechanically compatible with T-1 footprints in most applications. DO-15 packages feature a smaller form factor and may require board layout verification.

Frequently Asked Questions (FAQ)

Q: Can I substitute a fast recovery diode for the D6G-T standard recovery device?

A: Yes. Fast recovery diodes with 800 V reverse voltage and 1 A current rating are functionally compatible. Fast recovery characteristics provide improved switching performance and are backward compatible with standard recovery applications. The 1N5621GP-E3/54, BYV26DGP-E3/73, RGP10K, and UF4006 series parts meet these criteria.

Q: What is the difference between DO-41 and DO-15 packages?

A: DO-41 (DO-204AL) and DO-15 (DO-204AC) are both axial through-hole packages with different physical dimensions. DO-41 is larger and directly compatible with T-1 footprints. DO-15 is more compact. Both are electrically equivalent when specifications match. Board layout and hole spacing must be verified for DO-15 substitution.

Q: Are all listed substitutes RoHS3 compliant?

A: All substitute parts listed maintain RoHS3 compliance and active product status, matching the D6G-T compliance profile.

Q: What does reverse recovery time mean for diode selection?

A: Reverse recovery time (trr) is the interval required for a diode to stop conducting after the applied voltage reverses. The D6G-T has a 2 µs recovery time (standard recovery). Faster recovery times (75 ns to 500 ns) reduce switching losses and electromagnetic interference in high-frequency applications. Both standard and fast recovery diodes are electrically compatible for DC rectification.

Q: Can I use the UF4006-E3/73 in place of the D6G-T?

A: Yes. The UF4006-E3/73 matches the 800 V reverse voltage and 1 A current specifications. It features fast recovery (75 ns) and is packaged in DO-41 configuration compatible with T-1 footprints. The forward voltage is 1.7 V at 1 A compared to 1.0 V for the D6G-T, resulting in slightly higher power dissipation. Operating temperature range is -55°C to 150°C, matching the D6G-T lower limit.

Q: Which substitute offers the lowest reverse leakage current?

A: The 1N5621GP-E3/54 provides the lowest reverse leakage current at 500 nA at 800 V, compared to 5 µA for the D6G-T. This characteristic is beneficial in high-impedance circuits where leakage current must be minimized.

Q: What is the inventory status of substitute parts?

A: The UF4006-E3/73 and UF4006-E3/54 offer the highest availability at 23,300 and 21,200 units respectively. The BYV26DGP-E3/73 provides 46,351 units. The 1N4006GP-E3/54 has 2,200 units available with extended temperature rating to 175°C.

Q: Are there temperature range differences between substitutes?

A: Yes. The D6G-T operates from -65°C to 150°C. The 1N4006GP-E3/54, 1N5621GP-E3/54, BYV26DGP-E3/73, RGP10K, and UF4006 extend the upper limit to 175°C. The UF4006-E3/54 and UF4006-E3/73 match the D6G-T range at -55°C to 150°C. Application temperature requirements determine the appropriate selection.

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