Request Quote
(Ships tomorrow)
DMN2400UFDQ-13 Equivalent & Substitute Parts
Part Overview
The DMN2400UFDQ-13 is an N-Channel MOSFET manufactured by Diodes Incorporated, rated for 20V drain-to-source voltage with 900mA continuous drain current and 400mW power dissipation. The device is housed in a 3-PowerUDFN surface mount package (U-DFN1212-3 Type C) and operates across the temperature range of -55°C to 150°C.
This part is currently listed as obsolete. Identifying equivalent and substitute components is necessary to maintain design continuity, ensure supply chain availability, and support ongoing production requirements for applications utilizing this MOSFET topology.
Substiute Parts
Key Parameters
| Parameter | Value | Unit |
|---|---|---|
| Drain-to-Source Voltage (Vdss) | 20 | V |
| Continuous Drain Current (Id) @ 25°C | 900 | mA |
| Power Dissipation (Max) | 400 | mW |
| On-Resistance (Rds On Max) @ 200mA, 4.5V | 600 | mOhm |
| Gate Threshold Voltage (Vgs th Max) @ 250µA | 1 | V |
| Gate Charge (Qg Max) @ 4.5V | 0.5 | nC |
| Input Capacitance (Ciss Max) @ 16V | 37 | pF |
| Operating Temperature Range | -55 to 150 | °C |
| Package Type | U-DFN1212-3 (Type C) | 3-PowerUDFN |
| Mounting Type | Surface Mount | — |
| RoHS Status | ROHS3 Compliant | — |
| Moisture Sensitivity Level | 1 (Unlimited) | — |
Substitute Part Grouping Explanation
Substitution of the DMN2400UFDQ-13 is determined by electrical and mechanical compatibility across the following critical parameters:
Electrical Compatibility Criteria:
- Drain-to-Source Voltage (Vdss) must equal or exceed 20V
- Continuous Drain Current (Id) must meet or exceed 900mA at 25°C
- On-Resistance (Rds On) must not exceed the maximum specified value to ensure thermal performance
- Gate Threshold Voltage (Vgs th) must remain within compatible operating ranges
- Operating temperature range must encompass -55°C to 150°C
Mechanical Compatibility Criteria:
- Package type must be U-DFN1212-3 (Type C) / 3-PowerUDFN for PCB layout compatibility
- Surface mount mounting type must be maintained
- Moisture Sensitivity Level must be compatible with assembly processes
Regulatory Compliance:
- RoHS3 compliance status must be maintained
- REACH status must remain unaffected
The DMN2451UFDQ-13 meets all substitution criteria and is classified as a direct substitute for the obsolete DMN2400UFDQ-13.
Parameter Comparison
| Parameter | DMN2400UFDQ-13 (Main Part) | DMN2451UFDQ-13 (Substitute) | Compatibility |
|---|---|---|---|
| Manufacturer | Diodes Incorporated | Diodes Incorporated | Identical |
| FET Type | N-Channel | N-Channel | Identical |
| Technology | MOSFET (Metal Oxide) | MOSFET (Metal Oxide) | Identical |
| Drain-to-Source Voltage (Vdss) | 20 V | 20 V | Identical |
| Continuous Drain Current (Id) @ 25°C | 900 mA | 1.1 A | Substitute exceeds requirement |
| Drive Voltage (Max Rds On, Min Rds On) | 1.5V, 4.5V | 1.5V, 4.5V | Identical |
| Rds On (Max) @ 200mA, 4.5V | 600 mOhm | 200 mOhm | Substitute improves performance |
| Vgs(th) (Max) @ 250µA | 1 V | 1 V | Identical |
| Gate Charge (Qg Max) @ 4.5V | 0.5 nC | 0.7 nC | Substitute within acceptable range |
| Vgs (Max) | ±12 V | ±12 V | Identical |
| Input Capacitance (Ciss Max) @ 16V | 37 pF | 52 pF | Substitute within acceptable range |
| Power Dissipation (Max) | 400 mW | 500 mW | Substitute exceeds requirement |
| Operating Temperature Range | -55°C to 150°C | -55°C to 150°C | Identical |
| Package Type | U-DFN1212-3 (Type C) | U-DFN1212-3 (Type C) | Identical |
| Mounting Type | Surface Mount | Surface Mount | Identical |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant | Identical |
| Moisture Sensitivity Level | 1 (Unlimited) | 1 (Unlimited) | Identical |
| Product Status | Obsolete | Active | Substitute is actively manufactured |
Engineering Selection Recommendations
Primary Substitute: DMN2451UFDQ-13
The DMN2451UFDQ-13 is the recommended substitute for the obsolete DMN2400UFDQ-13. This substitution is supported by the following factors:
Electrical Performance: The DMN2451UFDQ-13 maintains identical voltage ratings (20V Vdss) and gate threshold characteristics while providing enhanced current handling capability (1.1A versus 900mA). The on-resistance is significantly improved (200mOhm versus 600mOhm at 200mA, 4.5V), resulting in lower power dissipation and improved thermal efficiency. Maximum power dissipation increases from 400mW to 500mW, providing additional thermal margin.
Package and Mechanical Compatibility: Both devices utilize the identical U-DFN1212-3 (Type C) 3-PowerUDFN surface mount package, ensuring direct PCB layout compatibility without redesign requirements.
Regulatory and Compliance Status: The DMN2451UFDQ-13 maintains ROHS3 compliance and unlimited moisture sensitivity level (MSL 1), consistent with the original part. The substitute carries AEC-Q101 automotive qualification, indicating enhanced reliability validation.
Supply Chain Availability: The DMN2451UFDQ-13 is listed as an active product with current inventory availability, ensuring reliable sourcing for ongoing production and future requirements.
Frequently Asked Questions (FAQ)
Q: Can the DMN2451UFDQ-13 be used as a direct replacement for the DMN2400UFDQ-13 without PCB modifications?
A: Yes. Both devices share the identical U-DFN1212-3 (Type C) package footprint. No PCB layout changes are required for substitution.
Q: What are the key electrical differences between these two MOSFETs?
A: The DMN2451UFDQ-13 provides higher continuous drain current (1.1A versus 900mA), lower on-resistance (200mOhm versus 600mOhm at 200mA, 4.5V), and higher maximum power dissipation (500mW versus 400mW). Gate threshold voltage, drain-to-source voltage rating, and operating temperature range remain identical.
Q: Is the DMN2451UFDQ-13 suitable for applications originally designed for the DMN2400UFDQ-13?
A: Yes. The substitute meets or exceeds all electrical specifications of the original part. The improved performance characteristics (higher current capacity, lower on-resistance) make it suitable for the same application space.
Q: Are there any compliance or regulatory differences between these parts?
A: Both parts are ROHS3 compliant with MSL 1 (unlimited moisture sensitivity). The DMN2451UFDQ-13 carries additional AEC-Q101 automotive qualification, indicating enhanced reliability validation for automotive applications.
Q: What is the significance of the higher gate charge in the DMN2451UFDQ-13?
A: The gate charge increases from 0.5nC to 0.7nC at 4.5V. This represents a minor increase in switching energy requirements and does not impact compatibility with standard gate driver circuits designed for the original part.
Q: How does the increased input capacitance of the DMN2451UFDQ-13 affect circuit performance?
A: Input capacitance increases from 37pF to 52pF at 16V. This represents a modest increase in gate capacitance and may result in slightly longer switching times. For most applications, this change is negligible and does not require circuit redesign.
Q: Why is the DMN2400UFDQ-13 listed as obsolete?
A: The DMN2400UFDQ-13 has been superseded by the DMN2451UFDQ-13, which offers improved electrical performance and enhanced reliability validation. Diodes Incorporated has transitioned production to the newer variant.
Q: Is the DMN2451UFDQ-13 available in the same packaging options?
A: Yes. The DMN2451UFDQ-13 is supplied in Tape & Reel (TR) packaging, identical to the original part, supporting automated assembly processes.
Alternative Parts
SJ6012L2TP
Littelfuse Inc.
6 Alternative Parts
JMK107BBJ476MA-RE
Taiyo Yuden
10 Alternative Parts
GMK107BBJ475MA-T
Taiyo Yuden
5 Alternative Parts
SJ6020N2ARP
Littelfuse Inc.
3 Alternative Parts
SJ6025R2ATP
Littelfuse Inc.
4 Alternative Parts
2474-05L
API Delevan Inc.
1 Alternative Parts
4590R-684K
API Delevan Inc.
1 Alternative Parts
CM6560R-334
API Delevan Inc.
1 Alternative Parts
CM6460-104
API Delevan Inc.
1 Alternative Parts
5526-12
API Delevan Inc.
1 Alternative Parts