HER153-TP Equivalent & Substitute Parts

Part Overview

The HER153-TP is a general-purpose rectifier diode manufactured by Micro Commercial Co, rated for 200 V DC reverse voltage and 1.5 A average rectified current in a DO-15 through-hole package. This component is classified as obsolete, making equivalent substitutes necessary for ongoing production and maintenance applications. The diode features fast recovery characteristics with a 50 ns reverse recovery time and operates across a junction temperature range of -55°C to 125°C.

Key Parameters

Parameter	Value	Unit
Voltage - DC Reverse (Vr) (Max)	200	V
Current - Average Rectified (Io)	1.5	A
Voltage - Forward (Vf) (Max) @ If	1 V @ 1.5 A	V
Reverse Recovery Time (trr)	50	ns
Current - Reverse Leakage @ Vr	5 µA @ 200 V	µA
Mounting Type	Through Hole	-
Package / Case	DO-204AC, DO-15, Axial	-
Operating Temperature - Junction	-55°C ~ 125°C	°C
RoHS Status	ROHS3 Compliant	-

Substitute Part Grouping Explanation

Substitution of the HER153-TP is determined by the following critical electrical and mechanical parameters:

Primary Substitution Criteria:

Voltage - DC Reverse (Vr) (Max): Must equal or exceed 200 V
Current - Average Rectified (Io): Must equal or exceed 1.5 A
Package / Case: Must be DO-204AC, DO-15, or Axial equivalent
Mounting Type: Must be Through Hole
Technology: Must be Standard rectifier diode technology
Speed Classification: Must support Fast Recovery characteristics

Secondary Compatibility Factors:

Forward voltage drop (Vf) at rated current
Reverse recovery time (trr)
Reverse leakage current
Operating temperature range
RoHS compliance status

The substitute parts listed below meet or exceed the primary substitution criteria and maintain compatibility with applications designed for the HER153-TP.

Parameter Comparison

Parameter	HER153-TP (Main)	PR1503-T	UG2D-E3/54
Manufacturer	Micro Commercial Co	Diodes Incorporated	Vishay General Semiconductor
Product Status	Obsolete	Active	Active
Voltage - DC Reverse (Vr) (Max)	200 V	200 V	200 V
Current - Average Rectified (Io)	1.5 A	1.5 A	2 A
Voltage - Forward (Vf) (Max) @ If	1 V @ 1.5 A	1.2 V @ 1.5 A	950 mV @ 2 A
Reverse Recovery Time (trr)	50 ns	150 ns	25 ns
Current - Reverse Leakage @ Vr	5 µA @ 200 V	5 µA @ 200 V	5 µA @ 200 V
Mounting Type	Through Hole	Through Hole	Through Hole
Package / Case	DO-204AC, DO-15, Axial	DO-204AC, DO-15, Axial	DO-204AC, DO-15, Axial
Operating Temperature - Junction	-55°C ~ 125°C	-65°C ~ 150°C	-55°C ~ 150°C
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Packaging Type	-	Tape & Reel (TR)	Cut Tape (CT)

Engineering Selection Recommendations

PR1503-T (Diodes Incorporated)

The PR1503-T is an active product that matches the HER153-TP in voltage rating (200 V) and current rating (1.5 A). This part maintains identical reverse leakage current specifications and operates across an extended temperature range (-65°C to 150°C). The PR1503-T is ROHS3 compliant and available in Tape & Reel packaging. The forward voltage drop increases to 1.2 V at 1.5 A, and reverse recovery time extends to 150 ns compared to the original 50 ns specification. This substitute is suitable for applications where the extended temperature range and active product status are advantageous.

UG2D-E3/54 (Vishay General Semiconductor - Diodes Division)

The UG2D-E3/54 exceeds the HER153-TP specifications with a 2 A current rating while maintaining the 200 V voltage rating. This part delivers superior performance characteristics with a 25 ns reverse recovery time and a forward voltage drop of 950 mV at 2 A. The UG2D-E3/54 is an active product with ROHS3 compliance and operates across -55°C to 150°C. The higher current rating provides design margin for applications requiring the HER153-TP. This substitute is available in Cut Tape packaging and is suitable for applications where improved switching speed and lower forward voltage drop are beneficial.

Both substitute parts maintain through-hole mounting in DO-15 package configurations and satisfy RoHS compliance requirements. Selection between PR1503-T and UG2D-E3/54 depends on specific application requirements regarding current margin, temperature range, and switching performance.

Frequently Asked Questions (FAQ)

Q: Can the PR1503-T directly replace the HER153-TP in existing circuit designs?

A: The PR1503-T is electrically compatible with the HER153-TP for applications rated at 200 V and 1.5 A. Both parts share identical voltage and current ratings, reverse leakage specifications, and through-hole DO-15 package configurations. The forward voltage drop increases from 1 V to 1.2 V at 1.5 A, which may affect circuit performance in applications with tight voltage margin requirements. The extended operating temperature range of the PR1503-T (-65°C to 150°C) provides additional thermal capability compared to the HER153-TP (-55°C to 125°C).

Q: What are the advantages of using the UG2D-E3/54 over the PR1503-T?

A: The UG2D-E3/54 provides a higher current rating of 2 A compared to the 1.5 A specification of both the HER153-TP and PR1503-T. This higher rating creates additional design margin for current-limited applications. The UG2D-E3/54 also features a faster reverse recovery time of 25 ns, compared to 50 ns for the HER153-TP and 150 ns for the PR1503-T, resulting in improved switching performance. The forward voltage drop of 950 mV at 2 A is lower than the HER153-TP specification of 1 V at 1.5 A.

Q: Are all substitute parts available in the same packaging format?

A: The HER153-TP, PR1503-T, and UG2D-E3/54 all use through-hole mounting in DO-15 package configurations. However, the distribution packaging differs: the HER153-TP is listed without specified distribution packaging, the PR1503-T is supplied in Tape & Reel (TR) format, and the UG2D-E3/54 is supplied in Cut Tape (CT) format. These distribution packaging differences do not affect component-level compatibility or circuit performance.

Q: Do all substitute parts meet RoHS compliance requirements?

A: Yes, the PR1503-T and UG2D-E3/54 are both ROHS3 compliant, matching the compliance status of the HER153-TP. Both substitute parts are suitable for applications requiring RoHS-compliant components.

Q: What is the impact of different reverse recovery times on circuit performance?

A: The HER153-TP specifies a 50 ns reverse recovery time, the PR1503-T specifies 150 ns, and the UG2D-E3/54 specifies 25 ns. Reverse recovery time affects switching speed and electromagnetic interference characteristics. Applications with high-frequency switching requirements or strict EMI specifications may benefit from the faster recovery time of the UG2D-E3/54. Applications with lower switching frequencies are less sensitive to reverse recovery time variations.

Q: Can the HER153-TP be used in applications requiring the extended temperature range of the PR1503-T?

A: The HER153-TP operates from -55°C to 125°C, while the PR1503-T operates from -65°C to 150°C. Applications requiring operation below -55°C or above 125°C require the PR1503-T or UG2D-E3/54. The HER153-TP is not suitable for these extended temperature applications.

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