ES1PD-M3/85A Equivalent & Substitute Parts

Part Overview

The ES1PD-M3/85A is a general-purpose rectifier diode manufactured by Vishay General Semiconductor - Diodes Division. This surface mount diode operates at 200 V DC reverse voltage with 1 A average rectified current and features fast recovery characteristics with a 25 ns reverse recovery time. The device is housed in a DO-220AA (SMP) package and is classified as an active product with ROHS3 compliance. Substitute parts are identified when component availability is limited, supply chain disruptions occur, or design flexibility permits selection from equivalent alternatives within the eSMP® series.

Key Parameters

Parameter	Value	Unit
Voltage - DC Reverse (Vr) (Max)	200	V
Current - Average Rectified (Io)	1	A
Voltage - Forward (Vf) (Max) @ If	920 mV @ 1 A	mV
Reverse Recovery Time (trr)	25	ns
Current - Reverse Leakage @ Vr	5 µA @ 200 V	µA
Capacitance @ Vr, F	10 pF @ 4V, 1MHz	pF
Package / Case	DO-220AA (SMP)	—
Operating Temperature - Junction	-55 to 150	°C
Speed Classification	Fast Recovery ≤ 500ns, > 200mA (Io)	—

Substitute Part Grouping Explanation

Substitution of the ES1PD-M3/85A is permissible with parts that maintain identical electrical performance across all critical parameters. The substitution logic is based on the following key parameters:

Voltage - DC Reverse (Vr) (Max): 200 V
Current - Average Rectified (Io): 1 A
Voltage - Forward (Vf) (Max) @ If: 920 mV @ 1 A
Reverse Recovery Time (trr): 25 ns
Current - Reverse Leakage @ Vr: 5 µA @ 200 V
Capacitance @ Vr, F: 10 pF @ 4V, 1MHz
Package / Case: DO-220AA (SMP)
Operating Temperature - Junction: -55°C to 150°C

All substitute parts listed maintain these electrical and thermal specifications without deviation. Substitutes are grouped into two categories: standard industrial grade (ES1PD-M3/84A) and automotive-qualified grade (ES1PDHM3/84A, ES1PDHM3/85A). The automotive-qualified variants include AEC-Q101 certification and are designated with the "HM" suffix in the part number.

Parameter Comparison

Parameter	ES1PD-M3/85A	ES1PD-M3/84A	ES1PDHM3/84A	ES1PDHM3/85A
Voltage - DC Reverse (Vr) (Max)	200 V	200 V	200 V	200 V
Current - Average Rectified (Io)	1 A	1 A	1 A	1 A
Voltage - Forward (Vf) (Max) @ If	920 mV @ 1 A	920 mV @ 1 A	920 mV @ 1 A	920 mV @ 1 A
Reverse Recovery Time (trr)	25 ns	25 ns	25 ns	25 ns
Current - Reverse Leakage @ Vr	5 µA @ 200 V	5 µA @ 200 V	5 µA @ 200 V	5 µA @ 200 V
Capacitance @ Vr, F	10 pF @ 4V, 1MHz	10 pF @ 4V, 1MHz	10 pF @ 4V, 1MHz	10 pF @ 4V, 1MHz
Package / Case	DO-220AA (SMP)	DO-220AA (SMP)	DO-220AA (SMP)	DO-220AA (SMP)
Operating Temperature - Junction	-55 to 150°C	-55 to 150°C	-55 to 150°C	-55 to 150°C
Series	eSMP®	eSMP®	eSMP®	eSMP®
Product Status	Active	Active	Active	Active
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Automotive Grade	—	—	AEC-Q101	AEC-Q101

Engineering Selection Recommendations

All listed substitute parts are active products with ROHS3 compliance and REACH unaffected status. Selection between standard industrial grade and automotive-qualified variants depends on application requirements:

Standard Industrial Grade (ES1PD-M3/85A, ES1PD-M3/84A): These parts are suitable for general-purpose rectification applications where automotive qualification is not required. Both variants maintain identical electrical specifications and are interchangeable at the functional level.

Automotive-Qualified Grade (ES1PDHM3/84A, ES1PDHM3/85A): These parts carry AEC-Q101 qualification and are designated for automotive and high-reliability applications. The automotive variants are direct functional equivalents to the standard grade but include additional qualification testing and traceability requirements inherent to the AEC-Q101 standard.

All parts are manufactured by Vishay General Semiconductor - Diodes Division and are supplied in Tape & Reel (TR) packaging with DO-220AA (SMP) surface mount configuration. Selection among these equivalents does not require design modification or circuit re-evaluation when electrical and thermal specifications remain within the stated parameters.

Frequently Asked Questions (FAQ)

Q: Can ES1PD-M3/84A be used as a direct replacement for ES1PD-M3/85A?

A: Yes. Both parts are standard industrial grade diodes with identical electrical specifications, including 200 V reverse voltage, 1 A average rectified current, 920 mV forward voltage drop, and 25 ns reverse recovery time. They are functionally interchangeable in all applications where the ES1PD-M3/85A is specified.

Q: What is the difference between standard grade (ES1PD-M3/85A) and automotive grade (ES1PDHM3/85A)?

A: The automotive-qualified variant (ES1PDHM3/85A) includes AEC-Q101 certification and is qualified for automotive applications. Electrical and thermal specifications are identical. The primary difference is the qualification testing and documentation required for automotive use. The "HM" designation in the part number indicates automotive qualification.

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

A: Yes. All substitute parts listed are supplied in DO-220AA (SMP) surface mount package configuration. No PCB layout or footprint modifications are required when substituting between these parts.

Q: Can automotive-qualified parts (ES1PDHM3/84A, ES1PDHM3/85A) be used in non-automotive applications?

A: Yes. Automotive-qualified parts exceed the requirements of standard industrial applications and are fully compatible with non-automotive designs. They may be used as direct substitutes in any application where the standard grade is specified.

Q: What is the operating temperature range for all substitute parts?

A: All substitute parts operate across a junction temperature range of -55°C to 150°C. This specification is identical across all variants and does not vary between standard and automotive grades.

Q: Are there any compliance or regulatory differences between the substitute parts?

A: All parts are ROHS3 compliant and REACH unaffected. Automotive-qualified variants (ES1PDHM3/84A, ES1PDHM3/85A) carry AEC-Q101 certification. No other regulatory or compliance differences exist between the standard and automotive grades.

Q: What is the reverse recovery time specification, and is it identical across all substitutes?

A: The reverse recovery time (trr) is 25 ns for all substitute parts. This fast recovery characteristic is maintained uniformly across the ES1PD-M3/85A, ES1PD-M3/84A, ES1PDHM3/84A, and ES1PDHM3/85A variants.

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