Equivalent & Substitute Parts for RGP10DHM3/54

Part Overview

The RGP10DHM3/54 is a general-purpose rectifier diode manufactured by Vishay General Semiconductor - Diodes Division, rated for 200 V DC reverse voltage and 1 A average rectified current in a DO-204AL (DO-41) through-hole axial package. This part is classified as obsolete, which necessitates identification of active equivalent and substitute components for new designs and ongoing production requirements. The RGP10DHM3/54 belongs to the SUPERECTIFIER® series and features fast recovery characteristics with a reverse recovery time of 150 ns, making it suitable for applications requiring efficient switching performance at moderate voltage and current levels.

Key Parameters

Parameter	Value	Unit
Voltage - DC Reverse (Vr) (Max)	200	V
Current - Average Rectified (Io)	1	A
Voltage - Forward (Vf) (Max) @ If	1.3	V @ 1 A
Speed Classification	Fast Recovery ≤ 500ns, > 200mA (Io)	-
Reverse Recovery Time (trr)	150	ns
Current - Reverse Leakage @ Vr	5	µA @ 200 V
Capacitance @ Vr, F	15	pF @ 4V, 1MHz
Mounting Type	Through Hole	-
Package / Case	DO-204AL, DO-41, Axial	-
Operating Temperature - Junction	-65 to 175	°C
Product Status	Obsolete	-
RoHS Status	ROHS3 Compliant	-

Substitute Part Grouping Explanation

Substitute parts for the RGP10DHM3/54 are classified into two categories based on electrical and mechanical compatibility:

Parametric Equivalents (Direct Substitutes): Parts that match all critical electrical parameters and package specifications, enabling direct replacement without circuit modification. These parts maintain the same voltage rating (200 V), current rating (1 A), fast recovery speed classification (≤ 500ns), reverse recovery time (150 ns), and through-hole DO-204AL (DO-41) axial package configuration. Parametric equivalents include RGP10D-E3/54, RGP10D-E3/73, and 1N4942GP-E3/54 from Vishay General Semiconductor - Diodes Division.

Manufacturer-Recommended Alternatives: Parts that satisfy the core electrical requirements (200 V, 1 A) but may differ in secondary parameters such as forward voltage, reverse recovery time, reverse leakage current, or operating temperature range. These alternatives are suitable for applications where the primary voltage and current specifications are the controlling factors. Manufacturer-recommended alternatives include 1N3611 (Microchip Technology), 1N4935RLG (onsemi), 1N4942 (Microchip Technology), 1N5615 (Semtech Corporation), EGP10D (Fairchild Semiconductor), and FR103G A0G (Taiwan Semiconductor Corporation).

Key Parameters Determining Substitution Eligibility:

Voltage - DC Reverse (Vr) (Max): 200 V
Current - Average Rectified (Io): 1 A
Mounting Type: Through Hole
Package / Case: DO-204AL, DO-41, or Axial equivalent
Speed Classification: Fast Recovery or Standard Recovery
Operating Temperature Range: Minimum -65°C to maximum 150°C or higher

Parameter Comparison

Part Number	Manufacturer	Vr (Max) [V]	Io [A]	Vf (Max) @ If [V]	Speed	trr [ns]	Ir @ Vr [µA]	Package	Status
RGP10DHM3/54	Vishay	200	1	1.3 @ 1A	Fast Recovery ≤ 500ns	150	5 @ 200V	DO-204AL (DO-41)	Obsolete
RGP10D-E3/54	Vishay	200	1	1.3 @ 1A	Fast Recovery ≤ 500ns	150	5 @ 200V	DO-204AL (DO-41)	Active
RGP10D-E3/73	Vishay	200	1	1.3 @ 1A	Fast Recovery ≤ 500ns	150	5 @ 200V	DO-204AL (DO-41)	Active
RGP10DE-E3/54	Vishay	200	1	1.3 @ 1A	Fast Recovery ≤ 500ns	150	5 @ 200V	DO-204AL (DO-41)	Active
1N4942GP-E3/54	Vishay	200	1	1.3 @ 1A	Fast Recovery ≤ 500ns	150	1 @ 200V	DO-204AL (DO-41)	Active
1N3611	Microchip Technology	200	1	1.1 @ 1A	Standard Recovery > 500ns	-	1 @ 200V	A, Axial	Active
1N4935RLG	onsemi	200	1	1.2 @ 1A	Fast Recovery ≤ 500ns	300	5 @ 200V	DO-204AL (DO-41)	Not For New Designs
1N4942	Microchip Technology	200	1	1.3 @ 1A	Fast Recovery ≤ 500ns	150	1 @ 200V	A, Axial	Active
1N5615	Semtech Corporation	200	2	1.2 @ 1A	Fast Recovery ≤ 500ns	150	0.5 @ 200V	Axial	Discontinued
EGP10D	Fairchild Semiconductor	200	1	0.95 @ 1A	Fast Recovery ≤ 500ns	50	5 @ 200V	DO-204AL (DO-41)	Active
FR103G A0G	Taiwan Semiconductor Corporation	200	1	1.3 @ 1A	Fast Recovery ≤ 500ns	150	5 @ 200V	DO-204AL (DO-41)	Active

Engineering Selection Recommendations

Primary Substitutes for Direct Replacement:

The RGP10D-E3/54, RGP10D-E3/73, and RGP10DE-E3/54 from Vishay General Semiconductor - Diodes Division are the preferred direct substitutes. These parts are active products with identical electrical specifications to the obsolete RGP10DHM3/54, including 200 V reverse voltage, 1 A average rectified current, 1.3 V forward voltage at 1 A, 150 ns reverse recovery time, and DO-204AL (DO-41) through-hole axial packaging. All three parts are ROHS3 compliant and maintain the same operating temperature range (-65°C to 175°C). The primary difference between these variants is packaging format: RGP10D-E3/54 and RGP10D-E3/73 are supplied in cut tape, while RGP10DE-E3/54 is supplied in tape and reel format.

Secondary Substitutes with Equivalent Performance:

The 1N4942GP-E3/54 from Vishay is an active parametric equivalent with identical electrical specifications except for lower reverse leakage current (1 µA versus 5 µA at 200 V). This part is supplied in cut tape format and is suitable for applications where reduced leakage current is beneficial.

The EGP10D from Fairchild Semiconductor is an active alternative with superior fast recovery characteristics (50 ns reverse recovery time versus 150 ns) and lower forward voltage (950 mV versus 1.3 V at 1 A). This part is suitable for applications requiring enhanced switching efficiency, though operating temperature is limited to -65°C to 150°C.

The FR103G A0G from Taiwan Semiconductor Corporation is an active alternative with identical electrical specifications to the RGP10DHM3/54, including 200 V reverse voltage, 1 A current, 1.3 V forward voltage, and 150 ns reverse recovery time. Operating temperature range is -55°C to 150°C. This part is ROHS3 compliant and supplied in cut tape format.

Alternative Substitutes for Relaxed Requirements:

The 1N4942 from Microchip Technology is an active part with identical electrical specifications (200 V, 1 A, 1.3 V forward voltage, 150 ns reverse recovery time) but supplied in axial bulk packaging. This part is suitable for applications where packaging format is not a constraint.

The 1N3611 from Microchip Technology is an active alternative with 200 V reverse voltage and 1 A current rating but features standard recovery characteristics (> 500ns) and lower forward voltage (1.1 V at 1 A). This part is not ROHS3 compliant and is suitable only for applications where RoHS compliance is not required.

Not Recommended:

The 1N4935RLG from onsemi is designated "Not For New Designs" and should not be selected for new applications. The 1N5615 from Semtech Corporation is discontinued and should not be used for new designs. These parts are listed for reference only in legacy system maintenance scenarios.

Frequently Asked Questions (FAQ)

Q: Can RGP10D-E3/54 directly replace RGP10DHM3/54 without circuit modification?

A: Yes. The RGP10D-E3/54 is a parametric equivalent with identical voltage rating (200 V), current rating (1 A), forward voltage (1.3 V @ 1 A), reverse recovery time (150 ns), and package configuration (DO-204AL DO-41 through-hole axial). The only difference is product status (active versus obsolete) and packaging format (cut tape versus original packaging). Direct substitution is supported.

Q: What is the difference between RGP10D-E3/54 and RGP10D-E3/73?

A: Both parts are parametric equivalents with identical electrical specifications. The difference is in the packaging designation suffix: /54 and /73 represent different tape and reel configurations or supplier packaging variants. Electrical performance is identical, and either variant can be selected based on packaging availability and procurement requirements.

Q: Why is EGP10D listed as an alternative if it has different forward voltage and reverse recovery time?

A: The EGP10D meets the core electrical requirements (200 V reverse voltage, 1 A average rectified current) and package specification (DO-204AL DO-41 through-hole axial). The lower forward voltage (950 mV versus 1.3 V) and faster reverse recovery time (50 ns versus 150 ns) represent performance improvements rather than degradation. This part is suitable for applications where enhanced switching efficiency is desired, provided the operating temperature limit of 150°C is acceptable.

Q: Is 1N5615 a suitable substitute despite the 2 A current rating?

A: The 1N5615 is not recommended for new designs. Although it meets the 200 V voltage requirement and exceeds the 1 A current requirement, this part is discontinued at DiGi Electronics and should not be selected for ongoing production. Use active alternatives such as RGP10D-E3/54 or 1N4942GP-E3/54 instead.

Q: What is the significance of ROHS3 compliance in substitute selection?

A: ROHS3 compliance indicates the part meets Restriction of Hazardous Substances Directive requirements, restricting lead, cadmium, mercury, and other hazardous materials. The RGP10DHM3/54 is ROHS3 compliant. Recommended substitutes (RGP10D-E3/54, RGP10D-E3/73, RGP10DE-E3/54, 1N4942GP-E3/54, EGP10D, and FR103G A0G) are also ROHS3 compliant. The 1N3611 and 1N4942 from Microchip Technology are not ROHS3 compliant and should be avoided in applications requiring environmental compliance.

Q: Can I use 1N4935RLG as a substitute?

A: The 1N4935RLG meets the core electrical requirements (200 V, 1 A, fast recovery ≤ 500ns) and package specification (DO-204AL DO-41 axial). However, this part is designated "Not For New Designs" by the manufacturer. Use only in legacy system maintenance where the original part is no longer available and no active alternatives are suitable. For new designs, select RGP10D-E3/54, RGP10D-E3/73, or 1N4942GP-E3/54.

Q: What is the difference between cut tape (CT) and tape & reel (TR) packaging?

A: Cut tape (CT) packaging supplies individual parts on tape segments suitable for manual or semi-automated assembly. Tape & reel (TR) packaging supplies parts on continuous reels suitable for automated pick-and-place assembly equipment. Electrical specifications are identical; packaging format selection depends on assembly process requirements and equipment compatibility.

Q: Does operating temperature range affect substitute selection?

A: Yes. The RGP10DHM3/54 operates from -65°C to 175°C. Recommended substitutes maintain this range or exceed it. The EGP10D and FR103G A0G are limited to -65°C to 150°C and -55°C to 150°C respectively. These alternatives are suitable only if the application does not require operation above 150°C or below -55°C. For applications requiring the full -65°C to 175°C range, select RGP10D-E3/54, RGP10D-E3/73, RGP10DE-E3/54, or 1N4942GP-E3/54.

Q: What does "Fast Recovery ≤ 500ns, > 200mA (Io)" mean?

A: This specification indicates the diode exhibits fast recovery characteristics with reverse recovery time not exceeding 500 nanoseconds when switching currents greater than 200 milliamps. The RGP10DHM3/54 specifies a reverse recovery time of 150 ns, which is well within the fast recovery classification. This characteristic enables efficient switching performance in rectifier and freewheeling applications.

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