UFM12PL-TP Equivalent & Substitute Parts

Part Overview

The UFM12PL-TP is a general-purpose rectifier diode manufactured by Micro Commercial Co, rated for 100 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 This component is classified as Not For New Designs, indicating it has been superseded in the manufacturer's product line. Identifying equivalent and substitute parts is necessary for applications requiring continued support, legacy system maintenance, or when original stock becomes unavailable.

Substiute Parts

UFM12PL-TP

Micro Commercial CoIn Stock: 18643UFM12PL-TP Datasheet

Current PartRFQ

CGRKM4002-HF

Comchip TechnologyIn Stock: 7878CGRKM4002-HF Datasheet

SimilarRFQ

CGRMT4007-HF

Comchip TechnologyIn Stock: 11521CGRMT4007-HF Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the UFM12PL-TP is determined by matching critical electrical and mechanical parameters within the allowed tolerances for general-purpose rectifier diodes. The primary substitution criteria are:

Electrical Parameters:

• Voltage - DC Reverse (Vr) (Max): Must equal or exceed 100 V
• Current - Average Rectified (Io): Must equal or exceed 1 A
• Voltage - Forward (Vf) (Max) @ If: Operating point compatibility at 1 A
• Reverse Recovery Time (trr): Speed classification determines switching performance
• Current - Reverse Leakage @ Vr: Leakage characteristics at rated voltage

Mechanical Parameters:

• Mounting Type: Surface Mount (required)
• Package / Case: SOD-123F or compatible SOD-123 variants
• Operating Temperature Range: Must accommodate -65°C to 150°C junction temperature

Compliance Parameters:

• RoHS Status: ROHS3 Compliant
• Moisture Sensitivity Level (MSL): 1 (Unlimited)

Two substitute parts are identified based on these criteria, with distinct substitution profiles determined by voltage rating alignment.

Parameter Comparison

Engineering Selection Recommendations

CGRKM4002-HF (Primary Substitute for Voltage-Matched Applications)

The CGRKM4002-HF is a direct electrical equivalent for 100 V applications. Both the main part and this substitute share identical voltage ratings (100 V DC reverse) and current ratings (1 A average rectified). The CGRKM4002-HF is manufactured by Comchip Technology and maintains Active product status, ensuring continued availability and support. Both parts are ROHS3 Compliant with MSL 1 (Unlimited) ratings.

Differences to note: The CGRKM4002-HF exhibits a forward voltage of 1.1 V at 1 A compared to 1 V for the UFM12PL-TP, representing a 0.1 V increase. The CGRKM4002-HF is classified as Standard Recovery (>500ns) versus the UFM12PL-TP's Fast Recovery (≤500ns, 35 ns trr). The operating temperature range is -55°C to 150°C versus -65°C to 150°C for the main part. Package variants differ (SOD-123T versus SOD-123F), though both are SOD-123 family surface mount packages.

CGRMT4007-HF (Substitute for Over-Voltage Rated Applications)

The CGRMT4007-HF is a voltage-elevated substitute rated for 1000 V DC reverse voltage while maintaining 1 A average rectified current. This part is suitable for applications where the UFM12PL-TP operates in circuits with potential voltage transients or where design margins require higher voltage headroom. The CGRMT4007-HF is manufactured by Comchip Technology with Active product status, ROHS3 Compliance, and MSL 1 (Unlimited) rating.

Differences to note: The CGRMT4007-HF has a 1000 V voltage rating compared to 100 V, resulting in a different package (SOD-123H versus SOD-123F). Forward voltage is 1.1 V at 1 A. Operating temperature range is -55°C to 150°C. Capacitance data is not specified for this part.

Both substitute parts maintain surface mount technology and are suitable for direct PCB replacement in terms of footprint compatibility within their respective SOD-123 package families. Selection between substitutes depends on circuit voltage requirements and recovery speed performance needs.

Frequently Asked Questions (FAQ)

Q: Can CGRKM4002-HF directly replace UFM12PL-TP in all applications?

A: CGRKM4002-HF is electrically compatible for 100 V applications with matching current ratings. The primary differences are forward voltage (1.1 V versus 1 V at 1 A), recovery speed classification (Standard versus Fast), and minimum operating temperature (-55°C versus -65°C). Applications operating below -55°C junction temperature or requiring fast recovery characteristics below 500 ns must evaluate these differences. Package variants (SOD-123T versus SOD-123F) are both SOD-123 family surface mount types with compatible PCB footprints.

Q: When should CGRMT4007-HF be selected instead of CGRKM4002-HF?

A: CGRMT4007-HF is selected when circuit design requires voltage ratings exceeding 100 V or when transient voltage protection is necessary. This part is rated for 1000 V DC reverse voltage, providing significantly higher voltage margin. Applications operating at or below 100 V nominal voltage do not require this elevated rating. The SOD-123H package differs from SOD-123F, requiring verification of PCB layout compatibility.

Q: Are there temperature range limitations when substituting?

A: The UFM12PL-TP operates from -65°C to 150°C junction temperature. Both substitute parts (CGRKM4002-HF and CGRMT4007-HF) operate from -55°C to 150°C. Applications requiring operation below -55°C junction temperature cannot use these substitutes. Applications within the -55°C to 150°C range are compatible.

Q: What is the impact of forward voltage differences?

A: The UFM12PL-TP has a maximum forward voltage of 1 V at 1 A, while both substitutes specify 1.1 V at 1 A. This 0.1 V difference affects power dissipation and voltage drop across the diode. In low-voltage circuits or high-current applications, this difference may be significant. Circuit analysis is required to determine if the increased forward voltage is acceptable for the specific application.

Q: Do package differences affect PCB compatibility?

A: The UFM12PL-TP uses SOD-123F package, CGRKM4002-HF uses SOD-123T package, and CGRMT4007-HF uses SOD-123H package. All three are SOD-123 family surface mount packages with similar footprints. PCB layout compatibility depends on specific footprint definitions used in the original design. Verification against component datasheets and PCB design files is necessary to confirm mechanical fit.

Q: Are all substitute parts RoHS3 Compliant?

A: Yes. The UFM12PL-TP, CGRKM4002-HF, and CGRMT4007-HF are all ROHS3 Compliant with Moisture Sensitivity Level 1 (Unlimited). All parts meet the same environmental and compliance standards.

Q: What is the difference between Fast Recovery and Standard Recovery classifications?

A: The UFM12PL-TP is classified as Fast Recovery with reverse recovery time of 35 ns (≤500ns for >200mA). Both substitutes are classified as Standard Recovery (>500ns). Fast recovery diodes switch faster, reducing switching losses in high-frequency applications. Standard recovery diodes are suitable for lower-frequency rectification. Application switching frequency determines which classification is appropriate.