1N4933GP-TP Equivalent & Substitute Parts

Part Overview

The 1N4933GP-TP is a general-purpose fast recovery rectifier diode manufactured by Micro Commercial Co, rated for 50 V DC reverse voltage and 1 A average rectified current in a DO-41 through-hole package. This device is classified as "Not For New Designs," indicating it has been superseded in the manufacturer's product line. Equivalent and substitute parts are necessary to support existing applications, provide alternative sourcing options, and enable design flexibility across multiple manufacturers while maintaining electrical and mechanical compatibility.

Key Parameters

Parameter	Value	Unit
Voltage - DC Reverse (Vr) (Max)	50	V
Current - Average Rectified (Io)	1	A
Voltage - Forward (Vf) (Max) @ If	1.2	V @ 1 A
Speed Classification	Fast Recovery ≤ 500ns, > 200mA (Io)	—
Reverse Recovery Time (trr)	200	ns
Current - Reverse Leakage @ Vr	5	µA @ 50 V
Mounting Type	Through Hole	—
Package / Case	DO-204AL, DO-41, Axial	—
Operating Temperature - Junction	-55 to 150	°C
RoHS Status	ROHS3 Compliant	—

Substitute Part Grouping Explanation

Substitute parts for the 1N4933GP-TP are grouped based on strict electrical and mechanical parameter alignment. All substitute candidates must satisfy the following core criteria:

Mandatory Electrical Parameters:

Voltage - DC Reverse (Vr) (Max): 50 V
Current - Average Rectified (Io): 1 A
Speed Classification: Fast Recovery ≤ 500ns, > 200mA (Io)
Reverse Recovery Time (trr): 200 ns (primary group) or ≤ 200 ns (acceptable variance)
Current - Reverse Leakage @ Vr: 5 µA @ 50 V (or lower)
Voltage - Forward (Vf) (Max) @ If: 1.2 V @ 1 A (or lower)

Mandatory Mechanical Parameters:

Mounting Type: Through Hole
Package / Case: DO-204AL, DO-41, Axial
Operating Temperature - Junction: -55°C to 150°C (or wider range)

Compliance Requirements:

RoHS Status: ROHS3 Compliant
Moisture Sensitivity Level (MSL): 1 (Unlimited)

Substitute parts are classified into two categories:

Category 1: Parametric Equivalents (Identical Electrical Specifications) Parts that match all primary electrical parameters including reverse recovery time of 200 ns, forward voltage of 1.2 V @ 1 A, and reverse leakage of 5 µA @ 50 V.

Category 2: Similar Manufacturers (Minor Parameter Variations) Parts that meet core voltage and current ratings with acceptable variations in forward voltage (up to 1.3 V), reverse recovery time (down to 35 ns or up to 200 ns), or reverse leakage (down to 1 µA), while maintaining through-hole DO-41 packaging and fast recovery classification.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Vr (Max) [V]	Io [A]	Vf (Max) @ If [V @ A]	trr [ns]	Ir @ Vr [µA @ V]	Package	Temp Range [°C]	Product Status
1N4933GP-TP	Micro Commercial Co	50	1	1.2 @ 1	200	5 @ 50	DO-41	-55 to 150	Not For New Designs
1N4933GHB0G	Taiwan Semiconductor Corporation	50	1	1.2 @ 1	200	5 @ 50	DO-204AL (DO-41)	-55 to 150	Active
SF11G A0G	Taiwan Semiconductor Corporation	50	1	0.95 @ 1	35	5 @ 50	DO-204AL (DO-41)	-55 to 150	Active
1N4933G	Good-Ark Semiconductor	50	1	1.2 @ 1	200	5 @ 50	DO-204AL (DO-41)	-55 to 125	Active
1N4933G R1G	Taiwan Semiconductor Corporation	50	1	1.2 @ 1	200	5 @ 50	DO-204AL (DO-41)	-55 to 150	Active
1N4933GH	Taiwan Semiconductor Corporation	50	1	1.2 @ 1	200	5 @ 50	DO-204AL (DO-41)	-55 to 150	Active
1N4933GHR1G	Taiwan Semiconductor Corporation	50	1	1.2 @ 1	200	5 @ 50	DO-204AL (DO-41)	-55 to 150	Active
FR101G R1G	Taiwan Semiconductor Corporation	50	1	1.3 @ 1	150	5 @ 50	DO-204AL (DO-41)	-55 to 150	Active
FR101T-G	Comchip Technology	50	1	1.3 @ 1	150	5 @ 50	DO-41	-55 to 150	Active
PG100R_R2_00001	Panjit International Inc.	50	1	1.3 @ 1	150	1 @ 50	DO-41	-55 to 150	Active
PG4933_R2_00001	Panjit International Inc.	50	1	1.2 @ 1	200	5 @ 50	DO-41	-55 to 150	Active

Engineering Selection Recommendations

Primary Substitutes (Highest Compatibility):

The following parts provide direct parametric equivalence to the 1N4933GP-TP and are recommended as primary substitutes:

1N4933GHB0G (Taiwan Semiconductor Corporation): Identical electrical specifications with Active product status and AEC-Q101 automotive qualification. Operating temperature range matches the original part (-55°C to 150°C).
1N4933G R1G (Taiwan Semiconductor Corporation): Parametric equivalent with Active status and full temperature range support (-55°C to 150°C). Suitable for direct replacement in existing designs.
1N4933GH (Taiwan Semiconductor Corporation): Parametric equivalent with Active status, AEC-Q101 automotive qualification, and full temperature range (-55°C to 150°C).
1N4933GHR1G (Taiwan Semiconductor Corporation): Parametric equivalent with Active status, AEC-Q101 automotive qualification, and full temperature range (-55°C to 150°C). Highest inventory availability (1116 Pcs).
PG4933_R2_00001 (Panjit International Inc.): Parametric equivalent with Active status and full temperature range (-55°C to 150°C). Tape & Reel packaging matches original part format.

Secondary Substitutes (Acceptable Variations):

The following parts meet core voltage and current specifications with acceptable parameter variations and are suitable for applications where minor electrical differences are tolerable:

1N4933G (Good-Ark Semiconductor): Parametric equivalent with Active status. Operating temperature range is -55°C to 125°C, which is narrower than the original part. Suitable for applications not requiring the full 150°C junction temperature.
SF11G A0G (Taiwan Semiconductor Corporation): Meets voltage and current ratings with improved reverse recovery time (35 ns vs. 200 ns) and lower forward voltage (0.95 V vs. 1.2 V). Active status and full temperature range (-55°C to 150°C). Suitable for applications benefiting from faster switching characteristics.
FR101G R1G (Taiwan Semiconductor Corporation): Meets voltage and current ratings with faster reverse recovery time (150 ns vs. 200 ns) and slightly higher forward voltage (1.3 V vs. 1.2 V). Active status and full temperature range (-55°C to 150°C).
FR101T-G (Comchip Technology): Meets voltage and current ratings with faster reverse recovery time (150 ns vs. 200 ns) and slightly higher forward voltage (1.3 V vs. 1.2 V). Active status, Tape & Reel packaging, and full temperature range (-55°C to 150°C).
PG100R_R2_00001 (Panjit International Inc.): Meets voltage and current ratings with faster reverse recovery time (150 ns vs. 200 ns), slightly higher forward voltage (1.3 V vs. 1.2 V), and lower reverse leakage (1 µA vs. 5 µA). Active status, Tape & Reel packaging, and full temperature range (-55°C to 150°C).

Compliance Considerations:

All substitute parts listed are ROHS3 Compliant and carry Moisture Sensitivity Level 1 (Unlimited), matching the original part's compliance profile. Parts designated with AEC-Q101 qualification (1N4933GHB0G, 1N4933GH, 1N4933GHR1G) are suitable for automotive applications requiring additional reliability standards.

Frequently Asked Questions (FAQ)

Q: Can I use 1N4933G as a direct replacement for 1N4933GP-TP?

A: Yes, 1N4933G is a parametric equivalent with identical electrical specifications (50 V, 1 A, 1.2 V forward voltage, 200 ns reverse recovery time). However, the operating temperature range is -55°C to 125°C compared to the original -55°C to 150°C. Verify that your application does not require junction temperatures above 125°C.

Q: What is the difference between 1N4933GH and 1N4933GHR1G?

A: Both parts are parametric equivalents with identical electrical specifications and AEC-Q101 automotive qualification. The primary difference is inventory availability and packaging designation. 1N4933GHR1G has higher stock (1116 Pcs vs. 983 Pcs). Both are suitable for direct replacement.

Q: Why does SF11G A0G have a lower forward voltage (0.95 V) than the original part (1.2 V)?

A: SF11G A0G is a different base product number with improved switching characteristics, including faster reverse recovery time (35 ns vs. 200 ns) and lower forward voltage. This represents a performance enhancement rather than a deficiency. It is suitable for applications where faster switching and lower power dissipation are beneficial, provided the circuit design accommodates the different forward voltage characteristic.

Q: Are all substitute parts available in Tape & Reel packaging?

A: No. The original 1N4933GP-TP is supplied in Tape & Reel (TR) packaging. Equivalent parts with TR packaging include FR101T-G, PG100R_R2_00001, and PG4933_R2_00001. Other substitutes are available in standard packaging formats. Verify packaging requirements for your assembly process.

Q: Can I use FR101T-G as a substitute if my circuit requires 200 ns reverse recovery time?

A: No. FR101T-G has a reverse recovery time of 150 ns, which is faster than the original 200 ns specification. While this generally represents an improvement, circuits designed specifically for 200 ns recovery time may require validation with the faster device to ensure compatibility with timing-sensitive applications.

Q: What is the significance of AEC-Q101 qualification on some substitute parts?

A: AEC-Q101 is an automotive industry qualification standard indicating the part has undergone additional reliability testing and quality assurance. Parts with AEC-Q101 qualification (1N4933GHB0G, 1N4933GH, 1N4933GHR1G) are suitable for automotive applications and applications requiring enhanced reliability. Non-qualified parts are suitable for general industrial and consumer applications.

Q: Are all substitute parts RoHS3 Compliant?

A: Yes. All substitute parts listed are ROHS3 Compliant, matching the original part's environmental compliance status. All parts also carry Moisture Sensitivity Level 1 (Unlimited), indicating no special moisture handling requirements during storage or assembly.

Q: Which substitute part has the lowest reverse leakage current?

A: PG100R_R2_00001 has a reverse leakage current of 1 µA @ 50 V, compared to 5 µA @ 50 V for the original part and most substitutes. This represents a 5-fold reduction in leakage current, which may be beneficial for low-power or high-impedance circuit applications.

Q: Can I mix different substitute parts in the same production batch?

A: All substitute parts meet the core electrical specifications (50 V, 1 A, fast recovery classification) and are mechanically compatible in DO-41 through-hole packages. However, minor variations in forward voltage (1.2 V to 1.3 V) and reverse recovery time (35 ns to 200 ns) exist. For consistency and to minimize circuit performance variation, use a single part number per production batch.

Q: What is the difference between DO-204AL and DO-41 package designations?

A: DO-204AL and DO-41 are equivalent package designations for the same axial-lead through-hole diode package. DO-41 is the older designation, while DO-204AL is the current standardized designation. Both refer to identical physical packages with the same pin spacing and mounting characteristics.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message