RL206-T Equivalent & Substitute Parts

Part Overview

The RL206-T is a general-purpose rectifier diode manufactured by Diodes Incorporated, rated for 800 V DC reverse voltage and 2 A average rectified current in a DO-15 through-hole package. This component is classified as obsolete, necessitating identification of functionally equivalent alternatives for ongoing design support and procurement continuity. Substitute parts must maintain electrical compatibility across voltage, current, and thermal specifications while accommodating available packaging and compliance requirements.

Key Parameters

Parameter	Value	Unit
Voltage - DC Reverse (Vr) (Max)	800	V
Current - Average Rectified (Io)	2	A
Voltage - Forward (Vf) (Max) @ If	1	V @ 2 A
Current - Reverse Leakage @ Vr	5	µA @ 800 V
Speed Classification	Standard Recovery >500ns	-
Operating Temperature - Junction	-65 to 150	°C
Package / Case	DO-204AC, DO-15, Axial	-
Mounting Type	Through Hole	-

Substitute Part Grouping Explanation

Substitution eligibility for the RL206-T is determined by the following critical parameters:

Mandatory Compatibility Criteria:

Voltage - DC Reverse (Vr) (Max): Must equal or exceed 800 V
Current - Average Rectified (Io): Must equal or exceed 2 A
Mounting Type: Must be Through Hole
Package / Case: Must be compatible with DO-15 or DO-204AC form factors

Acceptable Variation Parameters:

Voltage - Forward (Vf) (Max): Substitutes may vary within application tolerance
Speed Classification: Both Standard Recovery (>500ns) and Fast Recovery (≤500ns) are acceptable
Current - Reverse Leakage @ Vr: Substitutes may have equal or lower leakage
Operating Temperature - Junction: Minimum junction temperature may vary; maximum must support -65°C to 150°C range or application-specific requirements

Three substitute parts meet these criteria with full electrical compatibility to the RL206-T specification.

Parameter Comparison

Parameter	RL206-T (Diodes Inc.)	EGP20K (Nexperia)	GPP20K-E3/54 (Vishay)	PG206_R2_00001 (Panjit)
Voltage - DC Reverse (Vr) (Max)	800 V	800 V	800 V	600 V
Current - Average Rectified (Io)	2 A	2 A	2 A	2 A
Voltage - Forward (Vf) (Max) @ If	1 V @ 2 A	1.7 V @ 2 A	1.1 V @ 2 A	1.1 V @ 2 A
Speed Classification	Standard Recovery >500ns	Fast Recovery ≤500ns	Standard Recovery >500ns	Standard Recovery >500ns
Current - Reverse Leakage @ Vr	5 µA @ 800 V	5 µA @ 800 V	5 µA @ 800 V	1 µA @ 600 V
Operating Temperature - Junction	-65 to 150 °C	-65 to 150 °C	-55 to 150 °C	-55 to 150 °C
Package / Case	DO-204AC, DO-15, Axial	DO-204AC, DO-15, Axial	DO-204AC, DO-15, Axial	DO-204AC, DO-15, Axial
Mounting Type	Through Hole	Through Hole	Through Hole	Through Hole
Product Status	Obsolete	Obsolete	Active	Active
RoHS Status	ROHS3 Compliant	RoHS Non-Compliant	ROHS3 Compliant	ROHS3 Compliant

Engineering Selection Recommendations

Primary Substitute: GPP20K-E3/54 (Vishay General Semiconductor)

The GPP20K-E3/54 is the preferred substitute for the RL206-T. This part maintains full electrical equivalence at 800 V, 2 A ratings with identical reverse leakage characteristics. The component is currently in active production status, ensuring long-term availability. It carries ROHS3 compliance certification, matching the original part's environmental qualification. Operating temperature range extends to -55°C minimum, which covers the RL206-T specification for applications not requiring the full -65°C lower limit. Standard recovery speed classification aligns with the original design. Cut Tape packaging provides flexibility for both prototype and production environments.

Secondary Substitute: EGP20K (Nexperia USA Inc.)

The EGP20K provides full 800 V, 2 A electrical compatibility with identical reverse leakage and operating temperature range. This part features fast recovery characteristics (≤500ns), which may reduce switching losses in high-frequency applications. However, forward voltage is elevated at 1.7 V compared to the original 1 V specification, resulting in increased power dissipation. The component is classified as obsolete and carries RoHS non-compliance status, limiting suitability for new designs subject to environmental regulations.

Tertiary Substitute: PG206_R2_00001 (Panjit International Inc.)

The PG206_R2_00001 is suitable only for applications where the 800 V reverse voltage rating is not a critical requirement. This part is rated for 600 V maximum reverse voltage, representing a 25% reduction from the RL206-T specification. Current and forward voltage ratings are compatible. The component is in active production with ROHS3 compliance. This substitute is appropriate for voltage-derating scenarios or applications with confirmed maximum operating voltages below 600 V.

Frequently Asked Questions (FAQ)

Q: Can the EGP20K be used as a direct replacement for the RL206-T?

A: The EGP20K provides electrical compatibility at the rated 800 V, 2 A specification. However, the elevated forward voltage (1.7 V versus 1 V) increases power dissipation by 0.7 V per diode. Thermal analysis is required to confirm acceptable junction temperature operation. Additionally, RoHS non-compliance may conflict with procurement or regulatory requirements for new designs.

Q: Is the PG206_R2_00001 suitable for all RL206-T applications?

A: The PG206_R2_00001 is suitable only for applications where the maximum reverse voltage does not exceed 600 V. The 200 V reduction in voltage rating represents a significant derating. Applications requiring the full 800 V reverse voltage capability must use either the GPP20K-E3/54 or EGP20K.

Q: What is the difference between Standard Recovery and Fast Recovery speed classifications?

A: Standard Recovery diodes exhibit reverse recovery times exceeding 500 nanoseconds, while Fast Recovery diodes exhibit reverse recovery times of 500 nanoseconds or less. The RL206-T is classified as Standard Recovery. The EGP20K is classified as Fast Recovery, which may reduce switching losses in high-frequency circuits but does not affect DC rectification performance.

Q: Does package form factor affect substitution eligibility?

A: All substitute parts are available in DO-15 or DO-204AC through-hole axial packages, maintaining mechanical and electrical compatibility with the RL206-T. Packaging variants (Bulk, Cut Tape, Tape & Reel) affect procurement and handling but do not alter electrical performance.

Q: Why is the RL206-T classified as obsolete?

A: Obsolete classification indicates the manufacturer has discontinued production. The GPP20K-E3/54 and PG206_R2_00001 are in active production status, ensuring continued availability for design support and procurement.

Q: Are there compliance differences between substitute parts?

A: The RL206-T, GPP20K-E3/54, and PG206_R2_00001 are ROHS3 compliant. The EGP20K is RoHS non-compliant. All parts are REACH Unaffected and carry EAR99 export classification. Compliance requirements for the target application determine acceptable substitutes.

Q: Can forward voltage variation affect circuit performance?

A: Forward voltage variation directly impacts power dissipation and voltage drop across the diode. The RL206-T specifies 1 V maximum at 2 A. The GPP20K-E3/54 and PG206_R2_00001 specify 1.1 V, while the EGP20K specifies 1.7 V. Applications with tight voltage regulation or thermal constraints require analysis of the increased voltage drop.

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