EGP10C Equivalent & Substitute Parts

Part Overview

The EGP10C is a general-purpose rectifier diode manufactured by onsemi, rated for 150 V DC reverse voltage and 1 A average rectified current in a DO-41 through-hole axial package. This part is classified as "Not For New Designs," indicating it has reached end-of-life status. Identification of equivalent and substitute parts is necessary for design continuity, legacy system maintenance, and procurement alternatives where the original part is unavailable.

Key Parameters

Parameter	Value	Unit
Voltage - DC Reverse (Vr) (Max)	150	V
Current - Average Rectified (Io)	1	A
Voltage - Forward (Vf) (Max) @ If	950 mV @ 1 A	mV
Reverse Recovery Time (trr)	50	ns
Current - Reverse Leakage @ Vr	5	µA @ 150 V
Speed Classification	Fast Recovery ≤ 500ns, > 200mA (Io)	—
Mounting Type	Through Hole	—
Package / Case	DO-204AL, DO-41, Axial	—
Operating Temperature - Junction	-65 to 150	°C
RoHS Status	ROHS3 Compliant	—

Substitute Part Grouping Explanation

Substitution of the EGP10C is determined by the following critical electrical and mechanical parameters:

Primary Substitution Criteria:

Voltage - DC Reverse (Vr) (Max): Must equal or exceed 150 V
Current - Average Rectified (Io): Must equal or exceed 1 A
Mounting Type: Through Hole
Package compatibility: DO-41 or equivalent axial package

Secondary Compatibility Factors:

Reverse Recovery Time (trr): Lower values indicate improved switching performance
Forward Voltage (Vf): Lower values reduce power dissipation
Reverse Leakage Current: Lower values indicate better blocking characteristics
Operating Temperature Range: Must accommodate application requirements
RoHS and REACH compliance status

Parts are grouped into two categories: Parametric Equivalents (matching all primary criteria with identical or superior electrical performance) and Functional Substitutes (meeting primary criteria with voltage or current ratings above the minimum requirement).

Parameter Comparison

Part Number	Manufacturer	Vr (Max) [V]	Io [A]	Vf (Max) @ If [mV]	trr [ns]	Ir @ Vr [µA]	Package	Tj (Max) [°C]	Product Status	RoHS
EGP10C	onsemi	150	1	950 @ 1 A	50	5 @ 150 V	DO-41	150	Not For New Designs	ROHS3
EGP10C-E3/54	Vishay	150	1	950 @ 1 A	50	5 @ 150 V	DO-204AL (DO-41)	150	Active	ROHS3
UG1C-E3/54	Vishay	150	1	950 @ 1 A	25	5 @ 150 V	DO-204AL (DO-41)	150	Active	ROHS3
MUR115G	onsemi	150	1	875 @ 1 A	35	2 @ 150 V	Axial	175	Obsolete	ROHS3
1N6078	Microchip Technology	150	1.3	1.76 @ 18.8 A	30	5 @ 150 V	Axial	155	Active	RoHS non-compliant
STTH102	STMicroelectronics	200	1	970 @ 1 A	20	1 @ 200 V	DO-41	175	Active	ROHS3
STTH102RL	STMicroelectronics	200	1	970 @ 1 A	20	1 @ 200 V	DO-41	175	Active	ROHS3

Engineering Selection Recommendations

Parametric Equivalents (Direct Replacement):

The EGP10C-E3/54 (Vishay) is the primary parametric equivalent. It matches all electrical specifications of the EGP10C with identical voltage, current, and forward voltage ratings. The part is in Active product status and ROHS3 compliant, making it suitable for new designs and legacy system replacements. The DO-204AL package designation is equivalent to DO-41.

The UG1C-E3/54 (Vishay) provides parametric equivalence with improved reverse recovery time (25 ns versus 50 ns), resulting in faster switching performance. This part is Active status and ROHS3 compliant.

Functional Substitutes with Enhanced Performance:

The STTH102 and STTH102RL (STMicroelectronics) are functional substitutes with elevated voltage rating (200 V versus 150 V) and superior reverse recovery time (20 ns). Both parts are Active status and ROHS3 compliant. The higher voltage rating provides additional design margin in applications where reverse voltage stress may approach the 150 V limit. STTH102RL offers higher inventory availability (15,420 units).

The MUR115G (onsemi) is a functional substitute with improved forward voltage (875 mV versus 950 mV) and reverse recovery time (35 ns). However, this part is classified as Obsolete, limiting its long-term procurement viability.

Compliance Considerations:

The 1N6078 (Microchip Technology) meets electrical requirements but is RoHS non-compliant. Selection of this part requires verification of application compliance requirements.

Recommendation Priority:

EGP10C-E3/54 for direct parametric replacement
UG1C-E3/54 for improved switching performance with parametric equivalence
STTH102RL for enhanced voltage margin and active product status

Frequently Asked Questions (FAQ)

Q: Can the EGP10C-E3/54 be used as a direct replacement for the EGP10C?

A: Yes. The EGP10C-E3/54 is a parametric equivalent with identical voltage (150 V), current (1 A), and forward voltage (950 mV @ 1 A) ratings. The DO-204AL package designation is equivalent to the DO-41 package. Both parts are ROHS3 compliant and suitable for through-hole mounting applications.

Q: What is the difference between STTH102 and STTH102RL?

A: Both parts are electrically identical with 200 V reverse voltage rating, 1 A current rating, and 20 ns reverse recovery time. The primary difference is packaging designation and inventory availability. STTH102RL has significantly higher stock (15,420 units versus 1,600 units).

Q: Can I use a 200 V rated diode (STTH102/STTH102RL) in place of the 150 V rated EGP10C?

A: Yes, provided the application circuit design accommodates the higher voltage rating. The 200 V rating provides additional reverse voltage margin. Forward voltage and reverse recovery time are comparable. Verify that the DO-41 package footprint matches the application PCB layout.

Q: Why is the 1N6078 listed if it is RoHS non-compliant?

A: The 1N6078 meets the electrical substitution criteria (150 V, 1.3 A, fast recovery). However, RoHS non-compliance restricts its use in applications subject to RoHS regulations. Verify application compliance requirements before selection.

Q: What does "Not For New Designs" mean for the EGP10C?

A: This designation indicates the part has reached end-of-life status and is no longer recommended for new product development. Existing inventory may be available, but long-term procurement is not guaranteed. Use parametric equivalents (EGP10C-E3/54 or UG1C-E3/54) for new designs.

Q: How does reverse recovery time affect diode selection?

A: Reverse recovery time (trr) determines switching speed. Lower trr values (20-25 ns) indicate faster switching, reducing switching losses in high-frequency applications. The EGP10C has 50 ns trr; UG1C-E3/54 has 25 ns; STTH102/STTH102RL have 20 ns. Selection depends on application frequency requirements.

Q: Are all substitute parts available in the same package?

A: No. The EGP10C uses DO-41 package. Equivalents EGP10C-E3/54 and UG1C-E3/54 use DO-204AL (equivalent to DO-41). STTH102/STTH102RL use DO-41. MUR115G uses Axial package. Verify package footprint compatibility with application PCB layout before selection.

Q: What is the operating temperature range consideration?

A: The EGP10C operates from -65°C to 150°C. Substitutes offer comparable or extended ranges: EGP10C-E3/54 (-65 to 150°C), UG1C-E3/54 (-55 to 150°C), MUR115G (-65 to 175°C), STTH102/STTH102RL (max 175°C). Verify application temperature requirements match selected part specifications.

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