FR1D-13-F Equivalent & Substitute Parts

Part Overview

The FR1D-13-F is a general-purpose rectifier diode manufactured by Diodes Incorporated, rated for 200 V DC reverse voltage and 1 A average rectified current in a surface mount SMB (DO-214AA) package. This part is classified as obsolete, necessitating identification of active equivalent and substitute components for ongoing design requirements and procurement needs. Substitute parts must maintain electrical compatibility within the specified voltage and current parameters while accommodating mechanical and thermal constraints of the application.

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
Reverse Recovery Time (trr)	150	ns
Current - Reverse Leakage @ Vr	5	µA @ 200 V
Speed Classification	Fast Recovery ≤ 500ns, > 200mA (Io)	—
Package / Case	DO-214AA, SMB	—
Mounting Type	Surface Mount	—
Operating Temperature - Junction	-65 to 175	°C
RoHS Status	ROHS3 Compliant	—
Moisture Sensitivity Level (MSL)	1 (Unlimited)	—

Substitute Part Grouping Explanation

Substitution of the FR1D-13-F 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 A
Package / Case: Must be DO-214AA, SMB (surface mount)
Mounting Type: Must be Surface Mount
Speed Classification: Must be Fast Recovery ≤ 500ns, > 200mA (Io)

Secondary Compatibility Factors:

Operating Temperature Range: Must accommodate application thermal requirements
RoHS and REACH Compliance: Must meet regulatory requirements
Reverse Recovery Time (trr): Lower values indicate improved switching performance
Forward Voltage (Vf): Lower values reduce power dissipation

Substitute parts are grouped into two categories:

Category 1 - Direct Electrical Equivalents (1 A rated current):

RS1DB-13-F (Diodes Incorporated): Active status, identical electrical ratings, Tape & Reel packaging
UF1D-TP (Micro Commercial Co): Active status, identical electrical ratings, Bulk packaging

Category 2 - Higher Current Rated Substitutes (1.5 A to 4 A rated current):

STTH1R02U (STMicroelectronics): 1.5 A rated, improved reverse recovery time (30 ns)
STTH2R02U (STMicroelectronics): 2 A rated, improved reverse recovery time (30 ns)
STTH2R02UY (STMicroelectronics): 2 A rated, automotive grade, improved reverse recovery time (30 ns)
STTH4R02U (STMicroelectronics): 4 A rated, improved reverse recovery time (30 ns)
STTH4R02UY (STMicroelectronics): 4 A rated, automotive grade, improved reverse recovery time (30 ns)

Higher current rated parts provide design margin and improved thermal performance in applications where the 1 A rating is marginal.

Parameter Comparison

Part Number	Manufacturer	Product Status	Vr (Max) [V]	Io [A]	Vf (Max) @ If [V]	trr [ns]	Ir @ Vr [µA]	Package	Temp Range [°C]	RoHS
FR1D-13-F	Diodes Inc	Obsolete	200	1	1.3 @ 1 A	150	5 @ 200 V	DO-214AA, SMB	-65 to 175	ROHS3
RS1DB-13-F	Diodes Inc	Active	200	1	1.3 @ 1 A	150	5 @ 200 V	DO-214AA, SMB	-65 to 150	ROHS3
UF1D-TP	Micro Commercial Co	Active	200	1	1 @ 1 A	50	10 @ 200 V	DO-214AA, SMB	-50 to 150	Not specified
STTH1R02U	STMicroelectronics	Active	200	1.5	1 @ 1.5 A	30	3 @ 200 V	DO-214AA, SMB	-65 to 175	ROHS3
STTH2R02U	STMicroelectronics	Active	200	2	1 @ 2 A	30	3 @ 200 V	DO-214AA, SMB	-65 to 175	ROHS3
STTH2R02UY	STMicroelectronics	Active	200	2	1 @ 2 A	30	3 @ 200 V	DO-214AA, SMB	-65 to 175	ROHS3
STTH4R02U	STMicroelectronics	Active	200	4	1.05 @ 4 A	30	3 @ 200 V	DO-214AA, SMB	-65 to 175	ROHS3
STTH4R02UY	STMicroelectronics	Active	200	4	1.05 @ 4 A	30	3 @ 200 V	DO-214AA, SMB	-40 to 175	ROHS3

Engineering Selection Recommendations

For Direct Replacement (1 A Current Rating):

RS1DB-13-F is the primary direct equivalent. This part maintains identical electrical specifications to the FR1D-13-F while offering active product status from the same manufacturer (Diodes Incorporated). The part is available in Tape & Reel packaging and carries ROHS3 compliance. The operating temperature range is -65°C to 150°C, which is 25°C lower than the original part at the maximum junction temperature. This difference is acceptable for most applications unless the design specifically requires operation at 175°C.

UF1D-TP (Micro Commercial Co) provides an alternative direct equivalent with improved reverse recovery time (50 ns versus 150 ns) and lower forward voltage (1 V versus 1.3 V at 1 A). This part is active and available in Bulk packaging. The operating temperature range is -50°C to 150°C. Selection of this part is appropriate when improved switching performance and reduced power dissipation are beneficial.

For Higher Current Applications (Design Margin or Increased Load):

STTH1R02U, STTH2R02U, STTH2R02UY, STTH4R02U, and STTH4R02UY are all manufactured by STMicroelectronics and offer higher current ratings (1.5 A to 4 A) with significantly improved reverse recovery time (30 ns). All parts maintain 200 V reverse voltage rating and DO-214AA, SMB packaging. These parts carry ROHS3 compliance and operate across -65°C to 175°C (or -40°C to 175°C for STTH4R02UY), matching or exceeding the original part's thermal range.

STTH2R02UY and STTH4R02UY are designated as automotive grade (Series Q) and are suitable for applications requiring automotive qualification.

Compliance and Regulatory Considerations:

All recommended substitute parts are ROHS3 compliant. RS1DB-13-F and all STMicroelectronics parts carry REACH Unaffected status. UF1D-TP REACH status is not specified in the provided data. All parts are classified under ECCN EAR99 and HTSUS 8541.10.0080, consistent with the original part.

Frequently Asked Questions (FAQ)

Q: Can RS1DB-13-F be used as a direct replacement for FR1D-13-F?

A: Yes. RS1DB-13-F is a direct electrical equivalent with identical voltage (200 V), current (1 A), forward voltage (1.3 V @ 1 A), and reverse recovery time (150 ns) specifications. Both parts use the DO-214AA, SMB package and surface mount technology. The primary difference is product status (RS1DB-13-F is active) and operating temperature maximum (150°C versus 175°C). For applications operating below 150°C junction temperature, this part is fully compatible.

Q: What is the advantage of using STTH2R02U or STTH4R02U instead of the 1 A rated parts?

A: Higher current rated parts provide design margin and improved thermal performance. The STTH series offers significantly faster reverse recovery time (30 ns versus 150 ns for FR1D-13-F), reducing switching losses and electromagnetic interference. Lower reverse leakage current (3 µA versus 5 µA) and lower forward voltage at rated current also reduce power dissipation. These improvements are particularly beneficial in high-frequency switching applications or designs operating near thermal limits.

Q: Are the STMicroelectronics STTH parts pin-compatible with FR1D-13-F?

A: Yes. All substitute parts listed use the DO-214AA, SMB package with identical pin configuration and footprint. Surface mount assembly equipment and PCB layouts designed for FR1D-13-F are directly compatible with all listed substitutes.

Q: What is the difference between STTH2R02U and STTH2R02UY?

A: Both parts have identical electrical specifications (200 V, 2 A, 30 ns reverse recovery time). STTH2R02UY is designated as automotive grade (Series Q) and is intended for applications requiring automotive qualification and reliability standards. STTH2R02U is the standard industrial version. Selection depends on application requirements and qualification status.

Q: Can UF1D-TP be used in all applications where FR1D-13-F is specified?

A: UF1D-TP is electrically compatible with FR1D-13-F for the same 1 A current rating and 200 V voltage rating. The part offers improved performance characteristics (50 ns reverse recovery time, 1 V forward voltage). The operating temperature range is -50°C to 150°C, which is narrower than FR1D-13-F (-65°C to 175°C). Verify that the application's minimum operating temperature does not fall below -50°C and maximum junction temperature does not exceed 150°C.

Q: What packaging options are available for substitutes?

A: RS1DB-13-F is available in Tape & Reel (TR) packaging. STTH2R02U and STTH4R02U are available in Cut Tape (CT) & Digi-Reel® packaging. STTH2R02UY and STTH4R02UY are available in Cut Tape (CT) & Digi-Reel® packaging. UF1D-TP is available in Bulk packaging. All parts use the same DO-214AA, SMB component package suitable for automated surface mount assembly.

Q: Are all substitute parts RoHS compliant?

A: Yes. RS1DB-13-F and all STMicroelectronics parts (STTH1R02U, STTH2R02U, STTH2R02UY, STTH4R02U, STTH4R02UY) are ROHS3 compliant. UF1D-TP RoHS status is not specified in the provided documentation. Verify RoHS compliance status with the supplier if required for your application.

Q: What is the moisture sensitivity level (MSL) for substitute parts?

A: RS1DB-13-F, STTH1R02U, STTH2R02U, STTH2R02UY, STTH4R02U, and STTH4R02UY all have MSL 1 (Unlimited), indicating no moisture sensitivity restrictions. UF1D-TP MSL is not specified in the provided data. Consult the component datasheet for detailed moisture handling requirements.

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