PR2003-T Equivalent & Substitute Parts

Part Overview

The PR2003-T is a general-purpose rectifier diode manufactured by Diodes Incorporated, rated for 200 V DC reverse voltage and 2 A average rectified current in a DO-15 through-hole axial package. This part is classified as obsolete, making equivalent and substitute parts necessary for ongoing design support and procurement continuity. The PR2003-T employs standard rectifier technology with fast recovery characteristics suitable for power supply and switching applications.

Key Parameters

Parameter	Value
Voltage - DC Reverse (Vr) (Max)	200 V
Current - Average Rectified (Io)	2 A
Voltage - Forward (Vf) (Max) @ If	1.2 V @ 2 A
Speed Classification	Fast Recovery ≤ 500ns, > 200mA (Io)
Reverse Recovery Time (trr)	150 ns
Current - Reverse Leakage @ Vr	5 µA @ 200 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

Substitution of the PR2003-T is determined by the following critical electrical and mechanical parameters:

Electrical Compatibility Requirements:

Voltage - DC Reverse (Vr) (Max): 200 V minimum
Current - Average Rectified (Io): 2 A minimum
Speed Classification: Fast Recovery ≤ 500ns, > 200mA (Io)
Mounting Type: Through Hole

Mechanical Compatibility Requirements:

Package / Case: DO-204AC (DO-15) or DO-204AL (DO-41) axial packages
Lead configuration: Axial through-hole

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

Category 1: DO-204AC (DO-15) Package Equivalents Parts maintaining identical package form factor: EGP20D-E3/54, EGP20D-E3/73, HER203G A0G, SBYV27-200-E3/54, SBYV27-200-E3/73, UG2D-E3/54

Category 2: DO-204AL (DO-41) Package Alternatives Parts with different axial package but compatible electrical specifications: BYV27-200-TAP, BYV27-200-TR, MUR220G, MUR220RLG

All substitute parts meet or exceed the electrical requirements of the PR2003-T while maintaining through-hole axial mounting compatibility.

Parameter Comparison

Part Number	Manufacturer	Vr (Max)	Io	Vf (Max) @ If	trr (ns)	Ir @ Vr	Package	Status
PR2003-T	Diodes Incorporated	200 V	2 A	1.2 V @ 2 A	150	5 µA @ 200 V	DO-15	Obsolete
BYV27-200-TAP	Vishay	200 V	2 A	1.07 V @ 3 A	25	1 µA @ 200 V	SOD-57	Active
BYV27-200-TR	Vishay	200 V	2 A	1.07 V @ 3 A	25	1 µA @ 200 V	SOD-57	Active
EGP20D-E3/54	Vishay	200 V	2 A	950 mV @ 2 A	50	5 µA @ 200 V	DO-15	Active
EGP20D-E3/73	Vishay	200 V	2 A	950 mV @ 2 A	50	5 µA @ 200 V	DO-15	Active
HER203G A0G	Taiwan Semiconductor Corporation	200 V	2 A	1 V @ 2 A	50	5 µA @ 200 V	DO-15	Active
MUR220G	onsemi	200 V	2 A	950 mV @ 2 A	35	2 µA @ 200 V	DO-41	Active
MUR220RLG	onsemi	200 V	2 A	950 mV @ 2 A	35	2 µA @ 200 V	DO-41	Active
SBYV27-200-E3/54	Vishay	200 V	2 A	1.07 V @ 3 A	15	5 µA @ 200 V	DO-15	Active
SBYV27-200-E3/73	Vishay	200 V	2 A	1.07 V @ 3 A	15	5 µA @ 200 V	DO-15	Active
UG2D-E3/54	Vishay	200 V	2 A	950 mV @ 2 A	25	5 µA @ 200 V	DO-15	Active

Engineering Selection Recommendations

For Direct Package Replacement (DO-15 Axial):

The EGP20D-E3/54 and EGP20D-E3/73 from Vishay provide the most direct electrical and mechanical equivalence to the PR2003-T. Both parts maintain the DO-204AC (DO-15) package form factor, meet all voltage and current requirements, and are classified as active products with ROHS3 compliance. The EGP20D series offers improved reverse recovery time (50 ns versus 150 ns) and lower forward voltage drop (950 mV versus 1.2 V), resulting in reduced power dissipation.

The HER203G A0G from Taiwan Semiconductor Corporation offers an alternative DO-15 package solution with comparable electrical performance and active product status.

For Enhanced Performance (DO-15 Axial):

The SBYV27-200-E3/54 and SBYV27-200-E3/73 from Vishay provide superior reverse recovery time (15 ns) and significantly lower junction capacitance (15 pF), making these parts suitable for applications requiring faster switching performance. Both maintain DO-15 package compatibility and active product status.

The UG2D-E3/54 from Vishay offers a middle-ground solution with 25 ns reverse recovery time and DO-15 package compatibility.

For Alternative Package Form Factor (DO-41 Axial):

The MUR220RLG from onsemi provides the highest inventory availability (265,300 pcs) with active product status. This part uses the DO-204AL (DO-41) package, which is mechanically compatible with through-hole axial mounting but differs in physical dimensions. The MUR220RLG delivers 35 ns reverse recovery time and 950 mV forward voltage drop.

The MUR220G from onsemi offers identical electrical specifications in bulk packaging.

For Avalanche Technology (SOD-57 Package):

The BYV27-200-TAP and BYV27-200-TR from Vishay employ avalanche diode technology with exceptional reverse recovery time (25 ns) and minimal reverse leakage (1 µA). These parts use the SOD-57 package, which differs from the DO-15 form factor and requires PCB layout modification.

All recommended substitute parts maintain ROHS3 compliance, REACH unaffected status, and EAR99 classification consistent with the original PR2003-T.

Frequently Asked Questions (FAQ)

Q: Can I use a DO-41 package diode as a direct replacement for the DO-15 PR2003-T?

A: DO-41 and DO-15 packages are both axial through-hole configurations but differ in physical dimensions and lead spacing. While electrical specifications may be compatible, PCB layout modifications are required. The MUR220RLG and MUR220G are electrically suitable but require board redesign for mechanical fit.

Q: What is the difference between the EGP20D-E3/54 and EGP20D-E3/73?

A: Both parts are electrically identical with 200 V, 2 A ratings and DO-15 packaging. The designation difference reflects packaging tape configuration (54 and 73 refer to reel specifications). Selection depends on procurement and assembly equipment compatibility.

Q: Why do some substitute parts have lower forward voltage drop than the PR2003-T?

A: Forward voltage drop varies based on semiconductor material quality, doping profiles, and manufacturing process. The EGP20D series (950 mV) and MUR220 series (950 mV) represent improved manufacturing technology compared to the PR2003-T (1.2 V). Lower forward voltage reduces power dissipation and heat generation in the application circuit.

Q: What does reverse recovery time mean, and why does it matter?

A: Reverse recovery time (trr) is the interval required for a diode to transition from forward conduction to reverse blocking when the applied voltage reverses. Shorter recovery times reduce switching losses and electromagnetic interference. The PR2003-T has 150 ns recovery time; substitute parts range from 15 ns to 50 ns, offering improved performance in switching applications.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All listed substitute parts maintain ROHS3 compliance and REACH unaffected status, consistent with the original PR2003-T specification.

Q: Can I use the BYV27-200 avalanche diodes as a direct replacement?

A: The BYV27-200-TAP and BYV27-200-TR employ avalanche technology rather than standard rectifier technology and use SOD-57 packaging instead of DO-15. While electrical ratings match (200 V, 2 A), the different package requires PCB redesign. Avalanche diodes provide superior reverse recovery performance (25 ns) but are not mechanically interchangeable without layout modification.

Q: What is the difference between cut tape and bulk packaging?

A: Cut tape (CT) packaging supplies components on continuous tape suitable for automated pick-and-place assembly equipment. Bulk packaging supplies loose components. The MUR220G is bulk packaged; MUR220RLG is cut tape packaged. Selection depends on assembly process requirements.

Q: Which substitute part offers the best overall performance improvement?

A: The SBYV27-200-E3/54 and SBYV27-200-E3/73 provide the most significant performance enhancement with 15 ns reverse recovery time (versus 150 ns for PR2003-T) and 15 pF junction capacitance. These parts maintain DO-15 package compatibility and active product status, making them suitable for direct replacement in applications requiring faster switching performance.

Q: Is the PR2003-T still available for purchase?

A: The PR2003-T is classified as obsolete. Current inventory is limited to 749 pcs. All listed substitute parts are active products with substantially higher inventory availability, ensuring long-term procurement continuity.

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