R1800F-TP Equivalent & Substitute Parts

Part Overview

The R1800F-TP is a general-purpose rectifier diode rated for 1800 V DC reverse voltage with 500 mA average rectified current in a through-hole DO-41 package. Manufactured by Micro Commercial Co, this component is classified as obsolete. Due to its obsolete status and limited ongoing availability from the original manufacturer, identifying equivalent substitute parts with matching electrical and mechanical specifications is necessary for design continuity and procurement planning.

Key Parameters

Parameter	Value
Voltage - DC Reverse (Vr) (Max)	1800 V
Current - Average Rectified (Io)	500 mA
Voltage - Forward (Vf) (Max)	2.4 V @ 500 mA
Speed Classification	Fast Recovery ≤ 500 ns, > 200 mA (Io)
Reverse Recovery Time (trr)	500 ns
Current - Reverse Leakage @ Vr	5 µA @ 1800 V
Mounting Type	Through Hole
Package / Case	DO-204AL, DO-41, Axial
Operating Temperature - Junction	-55°C ~ 150°C
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitute parts for the R1800F-TP are identified based on strict equivalence of the following critical electrical and mechanical parameters:

Electrical Equivalence Criteria:

Voltage - DC Reverse (Vr) (Max): 1800 V
Current - Average Rectified (Io): 500 mA
Speed Classification: Fast Recovery ≤ 500 ns, > 200 mA (Io)
Current - Reverse Leakage @ Vr: 5 µA @ 1800 V

Mechanical Equivalence Criteria:

Mounting Type: Through Hole
Package / Case: DO-204AL, DO-41, Axial

Compliance Criteria:

RoHS Status: ROHS3 Compliant

The RGP02-18E-E3/54 meets all substitution criteria with identical voltage and current ratings, matching reverse leakage specifications, and compatible through-hole axial packaging. This part is manufactured by Vishay General Semiconductor - Diodes Division and maintains active product status.

Parameter Comparison

Parameter	R1800F-TP (Main Part)	RGP02-18E-E3/54 (Substitute)
Manufacturer	Micro Commercial Co	Vishay General Semiconductor - Diodes Division
Product Status	Obsolete	Active
Voltage - DC Reverse (Vr) (Max)	1800 V	1800 V
Current - Average Rectified (Io)	500 mA	500 mA
Voltage - Forward (Vf) (Max) @ If	2.4 V @ 500 mA	1.8 V @ 100 mA
Speed	Fast Recovery ≤ 500 ns, > 200 mA (Io)	Fast Recovery ≤ 500 ns, > 200 mA (Io)
Reverse Recovery Time (trr)	500 ns	300 ns
Current - Reverse Leakage @ Vr	5 µA @ 1800 V	5 µA @ 1800 V
Mounting Type	Through Hole	Through Hole
Package / Case	DO-204AL, DO-41, Axial	DO-204AL, DO-41, Axial
Operating Temperature - Junction	-55°C ~ 150°C	-65°C ~ 175°C
RoHS Status	ROHS3 Compliant	ROHS3 Compliant

Engineering Selection Recommendations

The RGP02-18E-E3/54 is a direct functional substitute for the R1800F-TP. Both components satisfy identical voltage and current specifications with matching reverse leakage characteristics and through-hole axial packaging. The substitute part offers the following advantages:

Product Status: The RGP02-18E-E3/54 maintains active product status, ensuring ongoing availability and supply chain continuity compared to the obsolete R1800F-TP.

Compliance: Both parts are ROHS3 compliant, maintaining regulatory alignment for applications subject to RoHS requirements.

Performance Characteristics: The substitute part demonstrates improved reverse recovery time (300 ns versus 500 ns) and lower forward voltage drop (1.8 V @ 100 mA versus 2.4 V @ 500 mA), resulting in reduced power dissipation and improved switching performance.

Temperature Range: The RGP02-18E-E3/54 provides an extended operating temperature range (-65°C ~ 175°C versus -55°C ~ 150°C), offering greater thermal margin for demanding applications.

Frequently Asked Questions (FAQ)

Q: Can the RGP02-18E-E3/54 be used as a direct replacement for the R1800F-TP?

A: Yes. Both components share identical voltage ratings (1800 V), current ratings (500 mA), reverse leakage specifications (5 µA @ 1800 V), and through-hole axial packaging. The substitute part is electrically and mechanically compatible.

Q: What are the key differences between these parts?

A: The primary differences are product status (active versus obsolete), reverse recovery time (300 ns versus 500 ns), forward voltage drop (1.8 V @ 100 mA versus 2.4 V @ 500 mA), and operating temperature range (-65°C ~ 175°C versus -55°C ~ 150°C). These differences favor the substitute part in performance and availability.

Q: Are both parts available in the same package?

A: Yes. Both the R1800F-TP and RGP02-18E-E3/54 are available in DO-204AL, DO-41, and axial through-hole packages. Physical dimensions and pin configurations are compatible.

Q: Do both parts meet RoHS compliance requirements?

A: Yes. Both the R1800F-TP and RGP02-18E-E3/54 are ROHS3 compliant.

Q: What is the significance of the improved reverse recovery time in the substitute part?

A: The RGP02-18E-E3/54 features a reverse recovery time of 300 ns compared to 500 ns in the R1800F-TP. Faster reverse recovery reduces switching losses and improves efficiency in high-frequency rectification applications.

Q: How does the forward voltage difference affect circuit performance?

A: The RGP02-18E-E3/54 exhibits lower forward voltage (1.8 V @ 100 mA) compared to the R1800F-TP (2.4 V @ 500 mA). Lower forward voltage reduces power dissipation and heat generation during conduction, improving overall circuit efficiency.

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