SM4004PL-TP Equivalent & Substitute Parts

Part Overview

The SM4004PL-TP is a general-purpose rectifier diode manufactured by Micro Commercial Co, rated for 400 V DC reverse voltage and 1 A average rectified current in a surface mount SOD-123FL package. This component is classified as "Not For New Designs," indicating it has reached end-of-life status. Identifying equivalent and substitute parts is necessary for ongoing maintenance, repair, and legacy system support where the original part is no longer readily available or when design flexibility permits component selection from active product lines.

Key Parameters

Parameter	Value	Unit
Voltage - DC Reverse (Vr) (Max)	400	V
Current - Average Rectified (Io)	1	A
Voltage - Forward (Vf) (Max) @ If	1.1 V @ 1 A	V
Speed	Standard Recovery >500ns, > 200mA (Io)	—
Current - Reverse Leakage @ Vr	5	µA @ 400 V
Mounting Type	Surface Mount	—
Package / Case	SOD-123F	—
Operating Temperature - Junction	-65 to 175	°C
RoHS Status	ROHS3 Compliant	—
Moisture Sensitivity Level (MSL)	1 (Unlimited)	—

Substitute Part Grouping Explanation

Substitution of the SM4004PL-TP is determined by matching the following critical electrical and mechanical parameters:

Electrical Compatibility Criteria:

Voltage - DC Reverse (Vr) (Max): 400 V minimum
Current - Average Rectified (Io): 1 A minimum
Voltage - Forward (Vf) (Max) @ If: 1.1 V or lower at 1 A
Speed: Standard Recovery (>500 ns, >200 mA) or faster
Current - Reverse Leakage @ Vr: 5 µA or lower at 400 V

Mechanical Compatibility Criteria:

Mounting Type: Surface Mount
Package / Case: SOD-123F, SOD-123FL, SOD-123H, SOD-123T, SOD-123W, or POWERDI®123 (all compatible with SOD-123 footprint requirements)
Operating Temperature - Junction: Minimum -55°C to maximum 150°C or better

Compliance Criteria:

RoHS3 Compliant
Moisture Sensitivity Level (MSL): 1 (Unlimited)

Substitute parts listed below meet all electrical parameters and are available from active product lines or have equivalent specifications to the SM4004PL-TP.

Parameter Comparison

Part Number	Manufacturer	Vr (Max) [V]	Io [A]	Vf (Max) @ If [V]	Speed	Ir @ Vr [µA]	Package	Tj (°C)	Product Status
SM4004PL-TP	Micro Commercial Co	400	1	1.1 @ 1 A	Standard >500ns	5 @ 400 V	SOD-123FL	-65 to 175	Not For New Designs
CGRKM4004-HF	Comchip Technology	400	1	1.1 @ 1 A	Standard >500ns	—	KM/SOD-123F	-55 to 150	Active
CGRM4004-HF	Comchip Technology	400	1	1.1 @ 1 A	Standard >500ns	5 @ 400 V	Mini SMA/SOD-123	-55 to 150	Active
CGRMT4004-HF	Comchip Technology	400	1	1.1 @ 1 A	Standard >500ns	5 @ 400 V	SOD-123H	-55 to 150	Active
DFLR1400-7	Diodes Incorporated	400	1	1.1 @ 1 A	Standard >500ns	3 @ 400 V	POWERDI®123	-65 to 150	Active
DFLU1400-7	Diodes Incorporated	400	1	1.25 @ 1 A	Fast ≤500ns	5 @ 400 V	POWERDI®123	-65 to 150	Active
GS1004FL_R1_00001	Panjit International Inc.	400	1	1.1 @ 1 A	Standard >500ns	1 @ 400 V	SOD-123FL	-50 to 150	Active
PNS40010ER,115	Nexperia USA Inc.	400	1	1.1 @ 1 A	Standard >500ns	1 @ 400 V	SOD-123W	—	Active
RR264MM-400TR	Rohm Semiconductor	400	1	1.1 @ 700 mA	Standard >500ns	10 @ 400 V	SOD-123F	—	Not For New Designs
S1GFL	Taiwan Semiconductor Corporation	400	1	1.1 @ 1 A	Standard >500ns	1 @ 400 V	SOD-123FL	-55 to 150	Active

Engineering Selection Recommendations

For Active Product Line Selection:

Parts with "Active" product status are recommended for new designs and ongoing procurement:

CGRMT4004-HF (Comchip Technology): Matches all electrical specifications and operating temperature range of -55°C to 150°C. SOD-123H package provides direct functional equivalence.
DFLR1400-7 (Diodes Incorporated): Meets all electrical requirements with improved reverse leakage (3 µA vs. 5 µA) and lower capacitance (10 pF vs. 15 pF). Extended upper temperature rating to -65°C. POWERDI®123 package is compatible with SOD-123 footprint.
GS1004FL_R1_00001 (Panjit International Inc.): Identical package (SOD-123FL) and electrical specifications. Superior reverse leakage performance (1 µA vs. 5 µA). Part of the active GS1000FL series.
S1GFL (Taiwan Semiconductor Corporation): Identical package (SOD-123FL) and electrical specifications. Superior reverse leakage performance (1 µA vs. 5 µA). Operating temperature range -55°C to 150°C.

For Legacy System Support:

RR264MM-400TR (Rohm Semiconductor): Functionally equivalent but marked "Not For New Designs." Suitable for direct replacement in existing applications where the SM4004PL-TP is currently deployed.

Compliance Verification:

All substitute parts listed are ROHS3 Compliant, MSL 1 (Unlimited), and REACH Unaffected, matching the compliance profile of the SM4004PL-TP.

Temperature Consideration:

The SM4004PL-TP operates to 175°C junction temperature. Most active substitutes operate to 150°C maximum. For applications requiring the full 175°C rating, verify thermal requirements against the substitute part's maximum junction temperature specification.

Frequently Asked Questions (FAQ)

Q: Can DFLU1400-7 replace SM4004PL-TP directly?

A: DFLU1400-7 is electrically compatible with one exception: it features fast recovery (≤500 ns) versus standard recovery (>500 ns) and has a forward voltage of 1.25 V at 1 A compared to 1.1 V. In applications where recovery speed and forward voltage are not critical design parameters, this part is functionally suitable. Verify circuit performance requirements before substitution.

Q: What is the difference between SOD-123FL and SOD-123H packages?

A: Both are surface mount packages compatible with SOD-123 footprints. SOD-123FL and SOD-123H differ in physical dimensions and lead configuration but are electrically equivalent for this diode category. PCB layout compatibility must be verified against the specific package outline.

Q: Why do some substitute parts show different reverse leakage values?

A: Reverse leakage current varies by manufacturer process technology and device design. The SM4004PL-TP specifies 5 µA at 400 V. Substitutes with lower leakage (1 µA to 3 µA) provide improved performance. Substitutes with higher leakage (10 µA) remain within acceptable limits for general-purpose rectification but may impact low-power circuit performance.

Q: Is PNS40010ER,115 suitable for automotive applications?

A: PNS40010ER,115 carries automotive qualification (AEC-Q100) and is suitable for automotive-grade applications. The SM4004PL-TP does not carry automotive qualification. Use PNS40010ER,115 only if automotive compliance is required.

Q: Can I use POWERDI®123 package parts as direct replacements?

A: POWERDI®123 (used by DFLR1400-7 and DFLU1400-7) is compatible with SOD-123 footprints. Verify PCB layout and thermal management requirements, as POWERDI®123 may have different thermal characteristics than SOD-123FL.

Q: What is the minimum operating temperature for substitute parts?

A: Most active substitutes operate to -55°C minimum. The SM4004PL-TP operates to -65°C. For applications requiring -65°C operation, DFLR1400-7 and DFLU1400-7 (both -65°C minimum) are suitable alternatives.

Q: Are all listed parts RoHS3 compliant?

A: Yes. All substitute parts listed meet RoHS3 compliance and REACH unaffected status, matching the SM4004PL-TP compliance profile.

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