FR1D-TP Equivalent & Substitute Parts

Part Overview

The FR1D-TP is a general-purpose rectifier diode manufactured by Micro Commercial Co, rated for 200 V DC reverse voltage and 1 A average rectified current in a DO-214AA (SMB) surface mount package. This part is classified as obsolete, making equivalent and substitute parts necessary for ongoing design support and procurement continuity. The FR1D-TP features fast recovery characteristics with a reverse recovery time of 150 ns and operates across a junction temperature range of -50°C to 150°C.

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
Speed	Fast Recovery ≤ 500ns, > 200mA (Io)	—
Reverse Recovery Time (trr)	150	ns
Current - Reverse Leakage @ Vr	5	µA @ 200 V
Capacitance @ Vr, F	15	pF @ 4V, 1MHz
Mounting Type	Surface Mount	—
Package / Case	DO-214AA, SMB	—
Operating Temperature - Junction	-50 to 150	°C
RoHS Status	ROHS3 Compliant	—
Moisture Sensitivity Level (MSL)	1 (Unlimited)	—

Substitute Part Grouping Explanation

Substitute parts for the FR1D-TP are classified into three categories based on electrical and mechanical compatibility:

Direct Manufacturer Substitutes maintain identical electrical specifications and packaging while differing in product status or packaging format. These parts satisfy all critical parameters: 200 V reverse voltage, 1 A average rectified current, fast recovery characteristics (≤ 500ns), 150 ns reverse recovery time, and DO-214AA (SMB) surface mount package.

Similar Manufacturer Substitutes meet the core voltage and current ratings with DO-214AA (SMB) packaging but may exhibit variations in secondary parameters such as reverse recovery time, forward voltage, or operating temperature range. These parts are suitable when the application tolerates parameter variations within the specified ranges.

Parametric Equivalents satisfy the primary electrical requirements (200 V, 1 A, fast recovery) but may differ in package designation (DO-214AC vs. DO-214AA) or compliance certifications. These parts require mechanical compatibility verification before selection.

The critical parameters determining substitution eligibility are:

Voltage - DC Reverse (Vr) (Max): 200 V
Current - Average Rectified (Io): 1 A
Speed: Fast Recovery ≤ 500ns, > 200mA (Io)
Mounting Type: Surface Mount
Package / Case: DO-214AA (SMB) or compatible

Parameter Comparison

Part Number	Manufacturer	Vr (Max) [V]	Io [A]	Vf (Max) @ If [V]	Speed	trr [ns]	Ir @ Vr [µA]	Package	Product Status
FR1D-TP	Micro Commercial Co	200	1	1.3 @ 1 A	Fast Recovery ≤ 500ns	150	5 @ 200 V	DO-214AA (SMB)	Obsolete
FR1D-LTP	Micro Commercial Co	200	1	—	Fast Recovery ≤ 500ns	150	5 @ 200 V	DO-214AA (SMB)	Active
CMR1U-02 BK PBFREE	Central Semiconductor Corp	200	1	1.0 @ 1 A	Fast Recovery ≤ 500ns	50	5 @ 200 V	DO-214AA (SMB)	Active
MUR320SBHR5G	Taiwan Semiconductor Corporation	200	3	0.9 @ 3 A	Fast Recovery ≤ 500ns	25	5 @ 200 V	DO-214AA (SMB)	Discontinued at DiGi Electronics
S1DBH	Taiwan Semiconductor Corporation	200	1	1.1 @ 1 A	Standard Recovery > 500ns	—	5 @ 200 V	DO-214AA (SMB)	Active
FR1D	Diotec Semiconductor	200	1	1.3 @ 1 A	Fast Recovery ≤ 500ns	150	5 @ 200 V	DO-214AC (SMA)	Active
FR1D_R1_00001	Panjit International Inc.	200	1	1.3 @ 1 A	Fast Recovery ≤ 500ns	150	1 @ 200 V	DO-214AA (SMB)	Active

Engineering Selection Recommendations

Primary Recommendation: FR1D-LTP

The FR1D-LTP is the direct substitute for the obsolete FR1D-TP. Both parts are manufactured by Micro Commercial Co and share identical electrical specifications: 200 V reverse voltage, 1 A average rectified current, fast recovery characteristics, and 150 ns reverse recovery time. The FR1D-LTP is currently active in production and available in Tape & Reel packaging format. This part maintains full compatibility with existing designs and requires no circuit modifications.

Secondary Recommendation: FR1D_R1_00001

The FR1D_R1_00001 manufactured by Panjit International Inc. provides parametric equivalence with identical voltage, current, and recovery characteristics. This part is ROHS3 compliant and currently active. The reverse leakage current is lower (1 µA vs. 5 µA), which may provide improved performance in low-leakage applications. DO-214AA (SMB) packaging ensures mechanical compatibility.

Alternative for Enhanced Performance: CMR1U-02 BK PBFREE

The CMR1U-02 BK PBFREE from Central Semiconductor Corp meets the 200 V, 1 A requirements with improved reverse recovery time (50 ns vs. 150 ns). This faster recovery characteristic reduces switching losses and may benefit high-frequency applications. Forward voltage is lower (1.0 V vs. 1.3 V), resulting in reduced conduction losses. Operating temperature range extends to -65°C to 175°C. This part is ROHS3 compliant and currently active.

Not Recommended: MUR320SBHR5G

The MUR320SBHR5G is rated for 3 A average rectified current, exceeding the 1 A requirement of the FR1D-TP. While this part shares the 200 V voltage rating and DO-214AA packaging, the higher current rating introduces unnecessary cost and thermal considerations. This part is discontinued at DiGi Electronics.

Not Recommended: S1DBH

The S1DBH exhibits standard recovery characteristics (> 500ns) rather than fast recovery (≤ 500ns), making it unsuitable for applications requiring fast recovery performance. Although this part is AEC-Q101 qualified for automotive applications, it does not meet the speed specification of the FR1D-TP.

Frequently Asked Questions (FAQ)

Q: Can FR1D-LTP directly replace FR1D-TP without circuit modifications?

A: Yes. The FR1D-LTP is a direct substitute with identical electrical specifications and DO-214AA (SMB) packaging. No circuit modifications are required.

Q: What is the difference between DO-214AA and DO-214AC packages?

A: DO-214AA (SMB) and DO-214AC (SMA) are distinct surface mount package designations with different physical dimensions and land patterns. The FR1D from Diotec Semiconductor uses DO-214AC (SMA) packaging and requires PCB layout verification before substitution.

Q: Is the CMR1U-02 BK PBFREE suitable for high-frequency switching applications?

A: The CMR1U-02 BK PBFREE features a 50 ns reverse recovery time compared to the FR1D-TP's 150 ns, making it suitable for applications where reduced switching losses are beneficial. Verify that the lower forward voltage (1.0 V vs. 1.3 V) is compatible with your circuit design.

Q: Why is the MUR320SBHR5G not recommended as a substitute?

A: The MUR320SBHR5G is rated for 3 A average rectified current, exceeding the 1 A specification of the FR1D-TP. This higher rating introduces unnecessary cost and thermal design considerations. Additionally, this part is discontinued at DiGi Electronics.

Q: What does ROHS3 compliance mean?

A: ROHS3 compliance indicates the part meets the Restriction of Hazardous Substances Directive 3, restricting the use of specific hazardous materials in electrical and electronic equipment. All recommended substitutes are ROHS3 compliant.

Q: Can S1DBH be used in place of FR1D-TP?

A: No. The S1DBH exhibits standard recovery characteristics (> 500ns) rather than the fast recovery (≤ 500ns) specified for the FR1D-TP. Using this part in a fast recovery application may result in increased switching losses and circuit malfunction.

Q: What is the significance of reverse recovery time (trr)?

A: Reverse recovery time is the interval required for a diode to transition from forward conduction to reverse blocking. Shorter reverse recovery times reduce switching losses and enable higher operating frequencies. The FR1D-TP specifies 150 ns; faster alternatives like CMR1U-02 BK PBFREE (50 ns) may improve efficiency in switching applications.

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

A: Most substitutes use DO-214AA (SMB) packaging identical to the FR1D-TP. The exception is the FR1D from Diotec Semiconductor, which uses DO-214AC (SMA) packaging. Verify PCB land pattern compatibility before selecting this alternative.

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