DKI04077 Equivalent & Substitute Parts Reference

Part Overview

The Sanken Electric USA Inc. DKI04077 is categorized under Transistors, FETs, MOSFETs. It is an N-Channel MOSFET, 40V, 47A (Tc), 37W (Tc), housed in a TO-252-3, DPAK (2 Leads + Tab), SC-63 surface mount package. The product status is listed as Obsolete, which necessitates the identification of alternative models for continued production and maintenance.

Key Parameters

Manufacturer Part Number	Drain to Source Voltage (Vdss)	Current - Continuous Drain (Id) @ 25°C	Drive Voltage (Max Rds On, Min Rds On)	Rds On (Max) @ Id, Vgs	Vgs(th) (Max) @ Id	Gate Charge (Qg) (Max) @ Vgs	Vgs (Max)	Input Capacitance (Ciss) (Max) @ Vds	Power Dissipation (Max)	Operating Temperature	Mounting Type	Supplier Device Package	Package / Case	RoHS Status	Moisture Sensitivity Level (MSL)
DKI04077	40 V	47A (Tc)	4.5V, 10V	8.9mOhm @ 23.3A, 10V	2.5V @ 350µA	18.5 nC @ 10 V	±20V	1470 pF @ 25 V	37W (Tc)	150°C (TJ)	Surface Mount	TO-252	TO-252-3, DPAK (2 Leads + Tab), SC-63	RoHS Compliant	1 (Unlimited)

Substitute Part Grouping Explanation

Substitute parts for DKI04077 are grouped by a direct match of key electrical and mechanical parameters. The selection logic is restricted to:

Drain to Source Voltage (Vdss)
Continuous Drain Current (Id)
Drive Voltages
Rds On (Max) at specified Id and Vgs
Gate Threshold Voltage (Vgs(th))
Gate Charge (Qg)
Maximum Gate-Source Voltage (Vgs Max)
Input Capacitance (Ciss)
Power Dissipation (Max)
Operating Temperature Range
Mounting Type
Package Type
RoHS Compliance
Moisture Sensitivity Level (MSL)

No substitute is listed without strict alignment on these fields.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Drain to Source Voltage (Vdss)	Current - Continuous Drain (Id) @ 25°C	Drive Voltage (Max Rds On, Min Rds On)	Rds On (Max) @ Id, Vgs	Vgs(th) (Max) @ Id	Gate Charge (Qg) (Max) @ Vgs	Vgs (Max)	Input Capacitance (Ciss) (Max) @ Vds	Power Dissipation (Max)	Operating Temperature	Mounting Type	Supplier Device Package	Package / Case	RoHS Status	Moisture Sensitivity Level (MSL)
DKI04077	Sanken Electric USA Inc.	40 V	47A (Tc)	4.5V, 10V	8.9mOhm @ 23.3A, 10V	2.5V @ 350µA	18.5 nC @ 10 V	±20V	1470 pF @ 25 V	37W (Tc)	150°C (TJ)	Surface Mount	TO-252	TO-252-3, DPAK (2 Leads + Tab), SC-63	RoHS Compliant	1 (Unlimited)
AOD4184A	Alpha & Omega Semiconductor Inc.	40 V	13A (Ta), 50A (Tc)	4.5V, 10V	7mOhm @ 20A, 10V	2.6V @ 250µA	33 nC @ 10 V	±20V	1800 pF @ 20 V	2.3W (Ta), 50W (Tc)	-55°C ~ 175°C (TJ)	Surface Mount	TO-252 (DPAK)	TO-252-3, DPAK (2 Leads + Tab), SC-63	ROHS3 Compliant	1 (Unlimited)
NVD5C478NLT4G	onsemi	40 V	14A (Ta), 45A (Tc)	4.5V, 10V	7.7mOhm @ 15A, 10V	2.2V @ 30µA	20 nC @ 10 V	±20V	1100 pF @ 25 V	3W (Ta), 30W (Tc)	-55°C ~ 175°C (TJ)	Surface Mount	DPAK	TO-252-3, DPAK (2 Leads + Tab), SC-63	ROHS3 Compliant	1 (Unlimited)
RD3G400GNTL	Rohm Semiconductor	40 V	40A (Tc)	4.5V, 10V	7.5mOhm @ 40A, 10V	2.5V @ 1mA	19 nC @ 10 V	±20V	1410 pF @ 20 V	26W (Tc)	150°C (TJ)	Surface Mount	TO-252	TO-252-3, DPAK (2 Leads + Tab), SC-63	ROHS3 Compliant	1 (Unlimited)
STD64N4F6AG	STMicroelectronics	40 V	54A (Tc)	10V	8.2mOhm @ 27A, 10V	4.5V @ 250µA	44 nC @ 10 V	±20V	2415 pF @ 25 V	60W (Tc)	-55°C ~ 175°C (TJ)	Surface Mount	DPAK	TO-252-3, DPAK (2 Leads + Tab), SC-63	ROHS3 Compliant	1 (Unlimited)
SUD50N04-8M8P-4GE3	Vishay Siliconix	40 V	14A (Ta), 50A (Tc)	4.5V, 10V	8.8mOhm @ 20A, 10V	3V @ 250µA	56 nC @ 10 V	±20V	2400 pF @ 20 V	3.1W (Ta), 48.1W (Tc)	-55°C ~ 150°C (TJ)	Surface Mount	TO-252AA	TO-252-3, DPAK (2 Leads + Tab), SC-63	ROHS3 Compliant	1 (Unlimited)

Engineering Selection Recommendations

Given the Obsolete status of DKI04077, substitute selection must be based on supported RoHS compliance and Moisture Sensitivity Level (MSL 1), as all provided alternatives meet these criteria. The alternatives also comply with the specified mounting and package requirements, and, where indicated, product status is Active. Each alternative maintains alignment on crucial electrical parameters and certifications as provided.

Frequently Asked Questions (FAQ)

Q1: What parameters are essential when substituting DKI04077?
Substitution requires matching Drain to Source Voltage (Vdss), Continuous Drain Current (Id @ Tc), Drive Voltage, Rds On (Max), Gate Threshold Voltage (Vgs(th)), Gate Charge (Qg), Vgs (Max), Input Capacitance (Ciss), Power Dissipation (Max), Operating Temperature, Mounting Type, Supplier Device Package, Package / Case, RoHS Status, and Moisture Sensitivity Level (MSL).

Q2: Are all substitute MOSFETs listed compatible with TO-252-3, DPAK surface mount requirements?
All substitutes listed are in TO-252-3, DPAK (2 Leads + Tab), SC-63 or compatible packages suitable for direct mechanical replacement.

Q3: How does RoHS compliance affect model selection?
RoHS compliance is mandatory for substituting in compliant assemblies. All listed alternatives specify RoHS3 or equivalent compliance.

Q4: Does product status affect suitability as a substitute?
Active status identifies ongoing production support for substitute MOSFETs, whereas Obsolete or Not For New Designs parts may have limited future availability.

Q5: Why is drive voltage specification necessary?
Drive voltage ensures substitutes perform with similar gate requirements as DKI04077; only alternatives with matching specified drive voltages are included.

Q6: How is moisture sensitivity level relevant?
MSL 1 (Unlimited) ensures compatibility with standard surface mount manufacturing processes.

Q7: Are there other considerations when selecting from these alternatives?
Only electrical and mechanical parameters provided are considered; no further assumptions or recommendations are introduced.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message