FR1D-13 Equivalent & Substitute Parts

Part Overview

The FR1D-13 is a fast recovery rectifier diode manufactured by Diodes Incorporated, rated for 200 V DC reverse voltage and 1 A average rectified current in a DO-214AA (SMB) surface mount package. This component is designed for general-purpose rectification applications requiring fast switching characteristics with a reverse recovery time of 150 ns.

The FR1D-13 is discontinued at DiGi Electronics. Equivalent and substitute parts are available from multiple manufacturers with comparable or enhanced electrical characteristics and active product status.

Key Parameters

Parameter	Value	Unit
Voltage - DC Reverse (Vr) (Max)	200	V
Current - Average Rectified (Io)	1	A
Voltage - Forward (Vf) (Max) @ If	1.3 V @ 1 A	V
Reverse Recovery Time (trr)	150	ns
Current - Reverse Leakage @ Vr	5	µA @ 200 V
Package / Case	DO-214AA, SMB	—
Mounting Type	Surface Mount	—
Operating Temperature - Junction	-65°C ~ 175°C	°C
Speed Classification	Fast Recovery ≤ 500ns, > 200mA (Io)	—

Substitute Part Grouping Explanation

Substitution of the FR1D-13 is determined by the following critical parameters:

Mandatory Compatibility Parameters:

Voltage - DC Reverse (Vr) (Max): 200 V minimum
Package / Case: DO-214AA (SMB) surface mount
Mounting Type: Surface Mount
Speed Classification: Fast Recovery ≤ 500ns, > 200mA (Io)

Flexible Parameters (Allow Substitution with Higher Ratings):

Current - Average Rectified (Io): 1 A or higher
Reverse Recovery Time (trr): 150 ns or lower
Operating Temperature - Junction: -65°C ~ 175°C or equivalent range
Voltage - Forward (Vf): Comparable or lower values acceptable

Substitute parts are grouped into two categories:

Category A - Direct Equivalents (1 A rated current): ER1D-LTP (Micro Commercial Co) maintains the 1 A current rating with improved reverse recovery time (35 ns) and lower forward voltage (950 mV @ 1 A).

Category B - Higher Current Capacity (1.5 A to 4 A rated current): STTH1R02U, STTH2R02U, STTH4R02U, STTH4R02UY (STMicroelectronics) and HS3DB R5G (Taiwan Semiconductor Corporation) provide increased current handling capability while maintaining 200 V reverse voltage rating and fast recovery characteristics. These parts are suitable for applications where the FR1D-13 operates below its maximum current rating.

Parameter Comparison

Parameter	FR1D-13	ER1D-LTP	STTH1R02U	STTH2R02U	STTH4R02U	STTH4R02UY	HS3DB R5G
Manufacturer	Diodes Inc.	Micro Commercial Co	STMicroelectronics	STMicroelectronics	STMicroelectronics	STMicroelectronics	Taiwan Semiconductor
Voltage - DC Reverse (Vr) (Max)	200 V	200 V	200 V	200 V	200 V	200 V	200 V
Current - Average Rectified (Io)	1 A	1 A	1.5 A	2 A	4 A	4 A	3 A
Voltage - Forward (Vf) (Max) @ If	1.3 V @ 1 A	950 mV @ 1 A	1 V @ 1.5 A	1 V @ 2 A	1.05 V @ 4 A	1.05 V @ 4 A	1 V @ 3 A
Reverse Recovery Time (trr)	150 ns	35 ns	30 ns	30 ns	30 ns	30 ns	50 ns
Current - Reverse Leakage @ Vr	5 µA @ 200 V	5 µA @ 200 V	3 µA @ 200 V	3 µA @ 200 V	3 µA @ 200 V	3 µA @ 200 V	10 µA @ 200 V
Package / Case	DO-214AA, SMB	DO-214AA, SMB	DO-214AA, SMB	DO-214AA, SMB	DO-214AA, SMB	DO-214AA, SMB	DO-214AA, SMB
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount
Operating Temperature - Junction	-65°C ~ 175°C	-65°C ~ 175°C	175°C (Max)	175°C (Max)	175°C (Max)	-40°C ~ 175°C	-55°C ~ 150°C
Product Status	Discontinued	Active	Active	Active	Active	Active	Discontinued
RoHS Status	Non-compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant

Engineering Selection Recommendations

Primary Recommendation: ER1D-LTP

The ER1D-LTP from Micro Commercial Co is the direct equivalent substitute for the FR1D-13. It maintains identical voltage and current ratings (200 V, 1 A) with the same DO-214AA (SMB) package. The ER1D-LTP offers superior performance characteristics: reverse recovery time of 35 ns (versus 150 ns) and forward voltage of 950 mV @ 1 A (versus 1.3 V @ 1 A). The part is ROHS3 compliant and carries active product status with 4619 units in stock.

Secondary Recommendations: STMicroelectronics STTH Series

For applications where current capacity headroom is beneficial, the STTH1R02U, STTH2R02U, STTH4R02U, and STTH4R02UY provide higher current ratings (1.5 A to 4 A) while maintaining 200 V reverse voltage and fast recovery characteristics. All STMicroelectronics parts are ROHS3 compliant and carry active product status. The STTH4R02UY variant includes automotive-grade qualification and extended temperature range (-40°C ~ 175°C).

Alternative Consideration: HS3DB R5G

The HS3DB R5G from Taiwan Semiconductor Corporation provides 3 A current capacity with 200 V reverse voltage in the same DO-214AA (SMB) package. This part is ROHS3 compliant but carries discontinued product status at DiGi Electronics.

Compliance Status:

All substitute parts are ROHS3 compliant, addressing the non-compliant status of the FR1D-13. All parts maintain REACH Unaffected and EAR99 ECCN classifications consistent with the original component.

Frequently Asked Questions (FAQ)

Q: Can the ER1D-LTP directly replace the FR1D-13 without circuit modification?

A: Yes. The ER1D-LTP is a direct equivalent with identical voltage (200 V) and current (1 A) ratings in the same DO-214AA (SMB) package. The improved reverse recovery time (35 ns versus 150 ns) and lower forward voltage (950 mV versus 1.3 V) represent performance enhancements with no negative impact on circuit operation.

Q: What is the advantage of using higher-current-rated parts like STTH2R02U or STTH4R02U?

A: Higher-current-rated parts provide design margin and thermal headroom in applications where the FR1D-13 operates below its 1 A maximum rating. These parts maintain identical 200 V reverse voltage and fast recovery characteristics while offering improved reverse recovery time (30 ns) and lower forward voltage. The increased current capacity reduces junction temperature rise during operation.

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

A: Yes. All substitute parts listed use the DO-214AA (SMB) surface mount package, ensuring mechanical and electrical compatibility with existing PCB layouts designed for the FR1D-13.

Q: What is the difference between STTH4R02U and STTH4R02UY?

A: Both parts have identical electrical specifications (200 V, 4 A, 30 ns reverse recovery time). The STTH4R02UY is automotive-grade (Series Q) with extended temperature range (-40°C ~ 175°C) versus the standard STTH4R02U. The STTH4R02UY is suitable for automotive and industrial applications requiring automotive qualification.

Q: Why is the FR1D-13 discontinued?

A: The FR1D-13 is discontinued at DiGi Electronics. Substitute parts from Micro Commercial Co and STMicroelectronics provide equivalent or superior performance with active product status and improved compliance certifications (ROHS3).

Q: Are there any thermal considerations when substituting with higher-current parts?

A: Higher-current-rated parts (STTH2R02U, STTH4R02U, STTH4R02UY, HS3DB R5G) have lower forward voltage drops at their rated currents, resulting in reduced power dissipation and lower junction temperatures compared to the FR1D-13 when operating at 1 A. This represents a thermal advantage in most applications.

Q: What is the moisture sensitivity level for all substitute parts?

A: All substitute parts carry MSL 1 (Unlimited) classification, identical to the FR1D-13. No special moisture control measures are required during storage or handling.

Q: Can the HS3DB R5G be used as a substitute despite discontinued status?

A: The HS3DB R5G is technically compatible with the FR1D-13 (200 V, 3 A, DO-214AA package, fast recovery). However, it carries discontinued product status at DiGi Electronics with limited long-term availability. The ER1D-LTP or STMicroelectronics STTH series are preferred for new designs requiring sustained supply.

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