PR2006G-T Equivalent & Substitute Parts

Part Overview

The PR2006G-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 active equivalent alternatives for ongoing design support and procurement continuity. Substitute parts must maintain electrical and mechanical compatibility while meeting current product availability and compliance requirements.

Key Parameters

Parameter	Value
Voltage - DC Reverse (Vr) (Max)	800 V
Current - Average Rectified (Io)	2 A
Voltage - Forward (Vf) (Max) @ If	1.3 V @ 2 A
Speed Classification	Fast Recovery ≤ 500 ns, > 200 mA (Io)
Reverse Recovery Time (trr)	500 ns
Current - Reverse Leakage @ Vr	5 µA @ 800 V
Mounting Type	Through Hole
Package / Case	DO-204AC, DO-15, Axial
Operating Temperature - Junction	-65°C ~ 150°C
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitute parts for the PR2006G-T are qualified based on the following critical parameters:

Electrical Compatibility Requirements:

Voltage - DC Reverse (Vr) (Max): 800 V minimum
Current - Average Rectified (Io): 2 A minimum
Package / Case: DO-204AC, DO-15, or Axial equivalent
Mounting Type: Through Hole

Acceptable Parameter Variations:

Forward voltage (Vf) within ±0.35 V of 1.3 V @ 2 A
Reverse recovery time (trr) up to 500 ns for fast recovery devices
Reverse leakage current up to 5 µA @ 800 V
Operating temperature range may differ provided minimum junction temperature supports -55°C or lower
Capacitance values are not critical for rectifier substitution

Product Status Consideration: All substitute parts listed are active products, ensuring long-term availability and supply chain continuity compared to the obsolete PR2006G-T.

Parameter Comparison

Parameter	PR2006G-T (Diodes Inc.)	FR206GP-AP (Micro Commercial)	FR206GP-TP (Micro Commercial)	GPP20K-E3/54 (Vishay)	PG208R_R2_00001 (Panjit)	STTH208 (STMicroelectronics)
Voltage - DC Reverse (Vr) (Max)	800 V	800 V	800 V	800 V	800 V	800 V
Current - Average Rectified (Io)	2 A	2 A	2 A	2 A	2 A	2 A
Voltage - Forward (Vf) (Max) @ If	1.3 V @ 2 A	1.3 V @ 2 A	1.3 V @ 2 A	1.1 V @ 2 A	1.3 V @ 2 A	1.65 V @ 2 A
Speed Classification	Fast Recovery ≤ 500 ns	Fast Recovery ≤ 500 ns	Fast Recovery ≤ 500 ns	Standard Recovery > 500 ns	Fast Recovery ≤ 500 ns	Fast Recovery ≤ 500 ns
Reverse Recovery Time (trr)	500 ns	500 ns	500 ns	Not specified	500 ns	75 ns
Current - Reverse Leakage @ Vr	5 µA @ 800 V	5 µA @ 800 V	5 µA @ 800 V	5 µA @ 800 V	1 µA @ 800 V	5 µA @ 800 V
Package / Case	DO-204AC, DO-15, Axial	DO-204AC, DO-15, Axial	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	Through Hole	Through Hole
Operating Temperature - Junction	-65°C ~ 150°C	-55°C ~ 150°C	-55°C ~ 150°C	-55°C ~ 150°C	-55°C ~ 150°C	Max 175°C
Product Status	Obsolete	Active	Active	Active	Active	Active
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant

Engineering Selection Recommendations

Primary Substitutes (Highest Compatibility):

FR206GP-AP and FR206GP-TP (Micro Commercial Co) provide direct electrical equivalence to the PR2006G-T with identical forward voltage (1.3 V @ 2 A), fast recovery characteristics (500 ns), and reverse leakage specifications (5 µA @ 800 V). Both are active products with ROHS3 compliance. Selection between these two depends on packaging requirements: FR206GP-AP is supplied in bulk form, while FR206GP-TP is supplied in Tape & Reel format for automated assembly.

PG208R_R2_00001 (Panjit International Inc.) offers superior reverse leakage performance (1 µA @ 800 V) while maintaining all other electrical parameters identical to the PR2006G-T. This part is active and ROHS3 compliant, supplied in Tape & Reel packaging.

Secondary Substitutes (Acceptable with Design Consideration):

GPP20K-E3/54 (Vishay General Semiconductor) meets all voltage and current requirements with lower forward voltage (1.1 V @ 2 A), reducing power dissipation. However, this part is classified as standard recovery (>500 ns) rather than fast recovery, which may affect switching performance in high-frequency applications. This part is active and ROHS3 compliant.

STTH208 (STMicroelectronics) provides superior reverse recovery time (75 ns) compared to the PR2006G-T (500 ns), enabling faster switching. Forward voltage is higher at 1.65 V @ 2 A, increasing power dissipation. This part is active and ROHS3 compliant with maximum junction temperature of 175°C.

Compliance and Availability:

All substitute parts maintain ROHS3 compliance, MSL Level 1 (Unlimited), and REACH Unaffected status consistent with the original PR2006G-T. All substitutes are currently active products with confirmed inventory availability.

Frequently Asked Questions (FAQ)

Q: Can FR206GP-AP and FR206GP-TP be used interchangeably with PR2006G-T?

A: Yes. Both FR206GP-AP and FR206GP-TP are electrically and mechanically equivalent to PR2006G-T. The difference between them is packaging format: FR206GP-AP is supplied in bulk, while FR206GP-TP is supplied in Tape & Reel format. Selection depends on assembly method and procurement requirements.

Q: What is the difference between fast recovery and standard recovery diodes?

A: Fast recovery diodes (≤500 ns) have shorter reverse recovery time, enabling faster switching and reduced switching losses in high-frequency applications. Standard recovery diodes (>500 ns) have longer recovery times and are suitable for lower-frequency applications. GPP20K-E3/54 is standard recovery; all other substitutes are fast recovery.

Q: Is STTH208 a suitable replacement for PR2006G-T?

A: STTH208 meets all voltage and current requirements and is electrically compatible. However, it has higher forward voltage (1.65 V vs. 1.3 V @ 2 A), resulting in increased power dissipation and heat generation. STTH208 offers superior reverse recovery time (75 ns), which benefits high-frequency switching applications. Design thermal analysis is required if forward voltage increase is critical.

Q: Why does PG208R_R2_00001 have lower reverse leakage current?

A: PG208R_R2_00001 specifies 1 µA @ 800 V reverse leakage compared to 5 µA for other substitutes. This represents superior leakage performance and may be advantageous in applications sensitive to reverse leakage. This is a beneficial characteristic requiring no design modification.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All substitute parts listed (FR206GP-AP, FR206GP-TP, GPP20K-E3/54, PG208R_R2_00001, and STTH208) are ROHS3 compliant with MSL Level 1 (Unlimited) and REACH Unaffected status, matching the compliance profile of PR2006G-T.

Q: What is the operating temperature range difference between PR2006G-T and substitutes?

A: PR2006G-T operates from -65°C to 150°C junction temperature. Most substitutes (FR206GP-AP, FR206GP-TP, GPP20K-E3/54, PG208R_R2_00001) operate from -55°C to 150°C, a 10°C difference at the lower end. STTH208 specifies maximum junction temperature of 175°C. For applications requiring operation below -55°C, PR2006G-T specifications cannot be matched by active substitutes.

Q: Which substitute offers the best overall performance match?

A: FR206GP-AP and FR206GP-TP provide the closest electrical match to PR2006G-T with identical forward voltage, fast recovery time, and reverse leakage specifications. Selection between these two depends solely on packaging format requirements for your assembly process.

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