EGP20B-TP Equivalent & Substitute Parts

Part Overview

The EGP20B-TP is a general-purpose rectifier diode rated for 100 V DC reverse voltage and 2 A average rectified current in a DO-15 through-hole axial package. Manufactured by Micro Commercial Co, this component is classified as obsolete. Due to its obsolete status and limited availability, equivalent and substitute parts from active manufacturers are necessary for new designs and ongoing production requirements. Substitute parts maintain electrical compatibility while offering improved product status and availability.

Key Parameters

Parameter	Value	Unit
Voltage - DC Reverse (Vr) (Max)	100	V
Current - Average Rectified (Io)	2	A
Voltage - Forward (Vf) (Max) @ If	1 V @ 2 A	V @ A
Speed	Fast Recovery ≤ 500ns, > 200mA (Io)	—
Reverse Recovery Time (trr)	50	ns
Current - Reverse Leakage @ Vr	5 µA @ 100 V	µA @ V
Mounting Type	Through Hole	—
Package / Case	DO-204AC, DO-15, Axial	—
Operating Temperature - Junction	-55 to 150	°C
RoHS Status	ROHS3 Compliant	—

Substitute Part Grouping Explanation

Substitute parts are classified into two categories based on electrical parameter alignment with the EGP20B-TP:

Upgrade Substitutes maintain identical electrical specifications (100 V, 2 A, fast recovery ≤ 500ns) with active product status and improved availability. These parts are direct replacements with no derating required.

Similar Substitutes share the same package and mounting type but differ in one or more electrical parameters. These parts are suitable for applications where the specific parameter deviation does not impact circuit performance. Parameter deviations include:

Current rating (1.5 A or 3 A instead of 2 A)
Voltage rating (50 V instead of 100 V)
Recovery speed (standard recovery >500ns instead of fast recovery ≤ 500ns)
Forward voltage characteristics

All substitute parts maintain DO-15 through-hole axial packaging, RoHS3 compliance, and 5 µA reverse leakage current at rated voltage.

Parameter Comparison

Part Number	Manufacturer	Vr (Max) [V]	Io [A]	Vf (Max) [V]	Speed	trr [ns]	Product Status	Inventory [Pcs]
EGP20B-TP	Micro Commercial Co	100	2	1.0 @ 2A	Fast Recovery ≤ 500ns	50	Obsolete	1010
EGP20B-E3/54	Vishay General Semiconductor	100	2	0.95 @ 2A	Fast Recovery ≤ 500ns	50	Active	3300
EGP20B-E3/73	Vishay General Semiconductor	100	2	0.95 @ 2A	Fast Recovery ≤ 500ns	50	Active	42995
1N5392GHB0G	Taiwan Semiconductor Corporation	100	1.5	1.1 @ 1.5A	Standard Recovery >500ns	—	Active	941
1N5400RLG	onsemi	50	3	1.0 @ 3A	Standard Recovery >500ns	—	Not For New Designs	9545
EGP20A	Fairchild Semiconductor	50	2	0.95 @ 2A	Fast Recovery ≤ 500ns	50	Active	24846
GP15B-E3/54	Vishay General Semiconductor	100	1.5	1.1 @ 1.5A	Standard Recovery >500ns	3500	Active	9002
GP15B-E3/73	Vishay General Semiconductor	100	1.5	1.1 @ 1.5A	Standard Recovery >500ns	3500	Active	953
RGP15B-E3/54	Vishay General Semiconductor	100	1.5	1.3 @ 1.5A	Fast Recovery ≤ 500ns	150	Active	8631
RGP15B-E3/73	Vishay General Semiconductor	100	1.5	1.3 @ 1.5A	Fast Recovery ≤ 500ns	150	Active	987
SBYV27-100-E3/73	Vishay General Semiconductor	100	2	1.07 @ 3A	Fast Recovery ≤ 500ns	15	Active	1007

Engineering Selection Recommendations

Primary Upgrade Substitutes:

EGP20B-E3/54 and EGP20B-E3/73 are direct electrical equivalents to the EGP20B-TP. Both parts are manufactured by Vishay General Semiconductor and maintain 100 V reverse voltage, 2 A current rating, fast recovery characteristics, and 50 ns reverse recovery time. EGP20B-E3/73 offers significantly higher inventory availability (42,995 pcs) compared to EGP20B-E3/54 (3,300 pcs). Both parts carry active product status and ROHS3 compliance. The forward voltage is improved at 950 mV versus 1.0 V on the original part. These substitutes are suitable for direct replacement in all applications where the EGP20B-TP was originally specified.

Secondary Substitutes for Current-Limited Applications:

GP15B-E3/54, GP15B-E3/73, RGP15B-E3/54, and RGP15B-E3/73 are suitable where circuit design permits operation at 1.5 A instead of 2 A. All four parts maintain 100 V reverse voltage rating and DO-15 packaging. GP15B variants employ standard recovery characteristics (>500ns), while RGP15B variants provide fast recovery (≤500ns, 150 ns trr). These parts carry active product status and high inventory availability.

Voltage-Derating Substitute:

EGP20A is suitable for applications where 50 V reverse voltage is sufficient. This part maintains 2 A current rating, fast recovery characteristics, and 50 ns reverse recovery time. EGP20A carries active product status with the highest inventory availability (24,846 pcs) among all substitutes. Forward voltage is 950 mV at 2 A.

Specialized Substitute:

SBYV27-100-E3/73 maintains 100 V and 2 A ratings with superior fast recovery characteristics (15 ns trr). This part is suitable for applications requiring minimal reverse recovery time. Active product status and ROHS3 compliance are confirmed.

Not Recommended for New Designs:

1N5400RLG carries "Not For New Designs" status and presents significant parameter deviations (50 V voltage rating, 3 A current rating, standard recovery). This part is unsuitable for EGP20B-TP replacement.

Frequently Asked Questions (FAQ)

Q: Can EGP20B-E3/54 and EGP20B-E3/73 be used interchangeably with EGP20B-TP?

A: Yes. Both parts are electrical equivalents with identical voltage (100 V), current (2 A), and recovery characteristics (fast recovery ≤500ns, 50 ns trr). Both maintain DO-15 through-hole axial packaging. The primary difference is packaging format (Cut Tape vs. original format) and inventory availability. EGP20B-E3/73 is preferred due to higher stock levels.

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

A: Recovery speed refers to reverse recovery time (trr), the interval required for a diode to transition from forward conduction to reverse blocking. Fast recovery diodes (≤500ns) exhibit shorter recovery times, reducing switching losses and electromagnetic interference. Standard recovery diodes (>500ns) have longer recovery times. The EGP20B-TP specifies fast recovery at 50 ns. Substitutes with standard recovery characteristics (GP15B series) are suitable only where circuit design does not depend on fast switching performance.

Q: Can I use a 1.5 A rated diode in place of the 2 A EGP20B-TP?

A: Substitution with 1.5 A rated parts (GP15B-E3/54, GP15B-E3/73, RGP15B-E3/54, RGP15B-E3/73) is permissible only if circuit design ensures average rectified current does not exceed 1.5 A. These parts maintain 100 V reverse voltage and DO-15 packaging. Circuit analysis is required to confirm current margins.

Q: Is the EGP20A suitable as a substitute?

A: EGP20A is suitable for applications where 50 V reverse voltage is sufficient. This part maintains 2 A current rating, fast recovery characteristics, and 50 ns reverse recovery time. If the original circuit design requires 100 V reverse voltage rating, EGP20A is not appropriate.

Q: What is the significance of forward voltage (Vf) differences among substitutes?

A: Forward voltage represents the voltage drop across the diode during forward conduction. The EGP20B-TP specifies 1.0 V at 2 A. Substitutes EGP20B-E3/54 and EGP20B-E3/73 specify 950 mV, representing a 50 mV improvement. This difference affects power dissipation and heat generation. Lower forward voltage reduces thermal load. For most applications, this difference is negligible. High-current or thermally constrained designs may benefit from lower forward voltage substitutes.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All substitute parts listed carry ROHS3 compliance certification, matching the original EGP20B-TP specification.

Q: What packaging format differences exist among substitutes?

A: All substitute parts maintain DO-15 through-hole axial packaging, compatible with the original EGP20B-TP. Packaging format variations (Cut Tape vs. Bulk) affect supply chain logistics but do not impact electrical or mechanical compatibility. DO-204AC and DO-15 designations refer to the same physical package.

Q: Why is 1N5400RLG listed but not recommended?

A: 1N5400RLG carries "Not For New Designs" product status and presents significant parameter deviations: 50 V reverse voltage (versus 100 V), 3 A current rating (versus 2 A), and standard recovery characteristics (versus fast recovery). These deviations make it unsuitable for EGP20B-TP replacement in new designs.

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