FR154-TP Equivalent & Substitute Parts

Part Overview

The FR154-TP is a general-purpose rectifier diode manufactured by Micro Commercial Co, rated for 400 V DC reverse voltage and 1.5 A average rectified current in a DO-15 through-hole package. This part is classified as obsolete, necessitating identification of active equivalent alternatives that maintain identical or superior electrical and mechanical specifications for direct circuit substitution.

Key Parameters

Parameter	Value
Voltage - DC Reverse (Vr) (Max)	400 V
Current - Average Rectified (Io)	1.5 A
Voltage - Forward (Vf) (Max) @ If	1.3 V @ 1.5 A
Speed Classification	Fast Recovery ≤ 500ns, > 200mA (Io)
Reverse Recovery Time (trr)	150 ns
Current - Reverse Leakage @ Vr	5 µA @ 400 V
Mounting Type	Through Hole
Package / Case	DO-204AC, DO-15, Axial
Operating Temperature - Junction	-55°C ~ 150°C
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitute parts for the FR154-TP are classified based on electrical parameter equivalence and mechanical compatibility. The primary substitution criteria are:

Critical Parameters for Substitution:

Voltage - DC Reverse (Vr) (Max): 400 V
Current - Average Rectified (Io): 1.5 A
Voltage - Forward (Vf) (Max) @ If: 1.3 V @ 1.5 A
Mounting Type: Through Hole
Package / Case: DO-204AC, DO-15, Axial
Operating Temperature - Junction: -55°C ~ 150°C

Secondary Parameters (Allowable Variation):

Reverse Recovery Time (trr): 150 ns (baseline); faster recovery times are acceptable
Current - Reverse Leakage @ Vr: 5 µA @ 400 V (baseline); lower leakage is acceptable
Capacitance @ Vr, F: 20 pF @ 4V, 1MHz (baseline); minor variations acceptable

All identified substitute parts maintain the critical electrical and mechanical parameters, ensuring direct circuit compatibility with the FR154-TP.

Parameter Comparison

Parameter	FR154-TP (Main)	FR154GP-TP	FR154G	FR154GH	PG154R_R2_00001	UF154G_R2_00001
Manufacturer	Micro Commercial Co	Micro Commercial Co	Taiwan Semiconductor Corporation	Taiwan Semiconductor Corporation	Panjit International Inc.	Panjit International Inc.
Product Status	Obsolete	Active	Active	Active	Active	Active
Voltage - DC Reverse (Vr) (Max)	400 V	400 V	400 V	400 V	400 V	400 V
Current - Average Rectified (Io)	1.5 A	1.5 A	1.5 A	1.5 A	1.5 A	1.5 A
Voltage - Forward (Vf) (Max) @ If	1.3 V @ 1.5 A	1.3 V @ 1.5 A	1.3 V @ 1.5 A	1.3 V @ 1.5 A	1.3 V @ 1.5 A	1.3 V @ 1.5 A
Reverse Recovery Time (trr)	150 ns	150 ns	150 ns	150 ns	150 ns	50 ns
Current - Reverse Leakage @ Vr	5 µA @ 400 V	5 µA @ 400 V	5 µA @ 400 V	5 µA @ 400 V	1 µA @ 400 V	1 µA @ 400 V
Capacitance @ Vr, F	20 pF @ 4V, 1MHz	20 pF @ 4V, 1MHz	20 pF @ 4V, 1MHz	20 pF @ 4V, 1MHz	35 pF @ 4V, 1MHz	25 pF @ 4V, 1MHz
Mounting Type	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole
Package / Case	DO-204AC, DO-15, Axial	DO-204AC, DO-15, Axial	DO-204AC, DO-15, Axial	DO-204AC, DO-15, Axial	DO-204AC, DO-15, Axial	DO-204AC, DO-15, Axial
Operating Temperature - Junction	-55°C ~ 150°C	-55°C ~ 150°C	-55°C ~ 150°C	-55°C ~ 150°C	-55°C ~ 150°C	-55°C ~ 150°C
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Packaging Type	Bulk	Tape & Reel (TR)	Cut Tape (CT)	Cut Tape (CT)	Tape & Reel (TR)	Tape & Reel (TR)
Qualification	Standard	Standard	Standard	AEC-Q101 Automotive	Standard	Standard

Engineering Selection Recommendations

FR154GP-TP is the direct replacement for FR154-TP, manufactured by the same supplier (Micro Commercial Co) with identical electrical specifications and active product status. This part is available in Tape & Reel packaging and maintains all critical parameters including 400 V reverse voltage, 1.5 A average rectified current, and 150 ns reverse recovery time.

FR154G (Taiwan Semiconductor Corporation) and FR154GH (Taiwan Semiconductor Corporation) are parametric equivalents with active product status. FR154GH includes AEC-Q101 automotive qualification, suitable for applications requiring automotive-grade reliability. Both parts maintain identical voltage, current, and thermal specifications.

PG154R_R2_00001 (Panjit International Inc.) and UF154G_R2_00001 (Panjit International Inc.) are parametric equivalents with improved reverse leakage characteristics (1 µA versus 5 µA @ 400 V). UF154G_R2_00001 offers superior reverse recovery time performance at 50 ns compared to the baseline 150 ns. Both parts are ROHS3 compliant and REACH unaffected.

All substitute parts are ROHS3 compliant and suitable for direct circuit substitution based on electrical and mechanical parameter equivalence.

Frequently Asked Questions (FAQ)

Q: Can FR154GP-TP directly replace FR154-TP in existing designs?

A: Yes. FR154GP-TP is manufactured by Micro Commercial Co with identical electrical specifications (400 V, 1.5 A, 1.3 V forward voltage, 150 ns recovery time) and the same DO-15 through-hole package. The primary difference is packaging format (Tape & Reel versus bulk) and active product status.

Q: What is the difference between FR154G and FR154GH?

A: Both parts are manufactured by Taiwan Semiconductor Corporation with identical electrical parameters. FR154GH includes AEC-Q101 automotive qualification and is recommended for automotive applications requiring enhanced reliability documentation. Standard applications may use either part.

Q: Are PG154R_R2_00001 and UF154G_R2_00001 suitable for all FR154-TP applications?

A: Yes, both parts maintain the critical electrical parameters (400 V, 1.5 A, 1.3 V forward voltage) and through-hole DO-15 package compatibility. PG154R_R2_00001 and UF154G_R2_00001 offer improved reverse leakage performance (1 µA versus 5 µA). UF154G_R2_00001 provides faster reverse recovery time (50 ns versus 150 ns), which may improve switching performance in high-frequency applications.

Q: Does packaging format affect electrical performance?

A: No. Packaging format (Tape & Reel, Cut Tape, or bulk) does not affect electrical performance. Selection depends on assembly process requirements and inventory management. All substitute parts are available in compatible through-hole formats.

Q: Are all substitute parts RoHS compliant?

A: Yes. All identified substitute parts (FR154GP-TP, FR154G, FR154GH, PG154R_R2_00001, UF154G_R2_00001) are ROHS3 compliant, matching the compliance status of the FR154-TP.

Q: What is the significance of reverse recovery time differences?

A: Reverse recovery time (trr) affects switching speed and switching losses. UF154G_R2_00001 with 50 ns trr provides faster switching compared to the baseline 150 ns. For applications operating at higher switching frequencies, the faster recovery time reduces switching losses and improves efficiency.

Q: Can I use automotive-qualified FR154GH in non-automotive applications?

A: Yes. Automotive-qualified parts meet or exceed standard specifications and are suitable for any application. FR154GH's AEC-Q101 qualification indicates enhanced reliability testing and documentation, providing additional assurance for critical applications.

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