Equivalent & Substitute Parts Reference for DKI06186 – Sanken Electric USA Inc.

Part Overview

The DKI06186 (Manufacturer Part Number: DKI06186) is an obsolete N-channel MOSFET produced by Sanken Electric USA Inc. in the Transistors, FETs, MOSFETs category. It is designed primarily for high-power and switching applications with a drain to source voltage rating of 60 V and a continuous drain current capability of 31A (Tc). The part features a surface mount TO-252 package and is RoHS compliant. Given its obsolete product status, identification and evaluation of alternative models with similar performance characteristics and package type is required for continued design support or replacement.

Key Parameters

Parameter	DKI06186 Value
Category	Transistors, FETs, MOSFETs
FET Type	N-Channel
Technology	MOSFET (Metal Oxide)
Drain to Source Voltage (Vdss)	60 V
Current - Continuous Drain (Id) @ 25°C	31A (Tc)
Drive Voltage (Max Rds On, Min Rds On)	4.5V, 10V
Rds On (Max) @ Id, Vgs	15mOhm @ 15.5A, 10V
Vgs(th) (Max) @ Id	2.5V @ 350µA
Gate Charge (Qg) (Max) @ Vgs	23.7 nC @ 10 V
Vgs (Max)	±20V
Input Capacitance (Ciss) (Max) @ Vds	1510 pF @ 25 V
Power Dissipation (Max)	37W (Tc)
Operating Temperature	150°C (TJ)
Mounting Type	Surface Mount
Supplier Device Package	TO-252
Package / Case	TO-252-3, DPAK (2 Leads + Tab), SC-63
RoHS Status	RoHS Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution is determined by a direct comparison of key electrical and mechanical parameters specified for the product category. The substitution logic requires matching FET type, technology, drain to source voltage (Vdss), continuous drain current (Id), drive voltage range, Rds On characteristics, threshold voltage, gate charge values, maximum gate-source voltage, input capacitance, maximum power dissipation, operating temperature capabilities, surface mount configuration, and identical or compatible supplier device package and package/case. RoHS compliance and Moisture Sensitivity Level (MSL) are also maintained.

Parameter Comparison

Parameter	DKI06186	AOD442G	BUK9217-75B,118	IPD50N06S4L12ATMA2	IRLR2905ZTRPBF	STD35NF06LT4	TK40S06N1L,LXHQ
FET Type	N-Channel	N-Channel	N-Channel	N-Channel	N-Channel	N-Channel	N-Channel
Technology	MOSFET (Metal Oxide)	MOSFET (Metal Oxide)	MOSFET (Metal Oxide)	MOSFET (Metal Oxide)	MOSFET (Metal Oxide)	MOSFET (Metal Oxide)	MOSFET (Metal Oxide)
Drain to Source Voltage (Vdss)	60 V	60 V	75 V	60 V	55 V	60 V	60 V
Current - Continuous Drain (Id) @ 25°C	31A (Tc)	13A (Ta), 40A (Tc)	64A (Tc)	50A (Tc)	42A (Tc)	35A (Tc)	40A (Ta)
Drive Voltage (Max Rds On, Min Rds On)	4.5V, 10V	4.5V, 10V	5V, 10V	4.5V, 10V	4.5V, 10V	4.5V, 10V	4.5V, 10V
Rds On (Max) @ Id, Vgs	15mOhm @ 15.5A, 10V	18mOhm @ 20A, 10V	15mOhm @ 25A, 10V	12mOhm @ 50A, 10V	13.5mOhm @ 36A, 10V	17mOhm @ 17.5A, 10V	18mOhm @ 20A, 10V
Vgs(th) (Max) @ Id	2.5V @ 350µA	2.7V @ 250µA	2V @ 1mA	2.2V @ 20µA	3V @ 250µA	2.5V @ 250µA	2.5V @ 200µA
Gate Charge (Qg) (Max) @ Vgs	23.7 nC @ 10 V	68 nC @ 10 V	35 nC @ 5 V	40 nC @ 10 V	35 nC @ 5 V	33 nC @ 4.5 V	26 nC @ 10 V
Vgs (Max)	±20V	±20V	±15V	±16V	±16V	±16V	±20V
Input Capacitance (Ciss) (Max) @ Vds	1510 pF @ 25 V	1920 pF @ 30 V	4029 pF @ 25 V	2890 pF @ 25 V	1570 pF @ 25 V	1700 pF @ 25 V	1650 pF @ 10 V
Power Dissipation (Max)	37W (Tc)	6.2W (Ta), 60W (Tc)	167W (Tc)	50W (Tc)	110W (Tc)	80W (Tc)	88.2W (Tc)
Operating Temperature	150°C (TJ)	-55°C ~ 150°C (TJ)	-55°C ~ 185°C (TJ)	-55°C ~ 175°C (TJ)	-55°C ~ 175°C (TJ)	-55°C ~ 175°C (TJ)	175°C
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount
Supplier Device Package	TO-252	TO-252 (DPAK)	DPAK	PG-TO252-3-11	TO-252AA (DPAK)	DPAK	DPAK+
Package / Case	TO-252-3, DPAK (2 Leads + Tab), SC-63	TO-252-3, DPAK (2 Leads + Tab), SC-63	TO-252-3, DPAK (2 Leads + Tab), SC-63	TO-252-3, DPAK (2 Leads + Tab), SC-63	TO-252-3, DPAK (2 Leads + Tab), SC-63	TO-252-3, DPAK (2 Leads + Tab), SC-63	TO-252-3, DPAK (2 Leads + Tab), SC-63
RoHS Status	RoHS Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	-
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)

Engineering Selection Recommendations

Since DKI06186 is classified as obsolete, selection of alternatives should be strictly guided by product status, RoHS compliance, and Moisture Sensitivity Level (MSL) to ensure compatibility with existing manufacturing and environmental standards. Substitute parts that maintain an active product status, equivalent or higher RoHS compliance, and an unlimited Moisture Sensitivity Level (MSL 1) are suitable for direct component replacement in designs previously utilizing DKI06186. All listed alternative MOSFETs utilize a surface mount package type conforming to TO-252 or compatible DPAK mechanical standards.

Frequently Asked Questions (FAQ)

Q1: Which electrical parameters must match when substituting DKI06186?
A1: Key electrical parameters include FET type, drain to source voltage (Vdss), continuous drain current (Id), drive voltage, Rds On, threshold voltage (Vgs(th)), gate charge (Qg), maximum gate-source voltage (Vgs(Max)), and input capacitance (Ciss).

Q2: Is package compatibility critical in MOSFET substitution?
A2: Yes. The substitute part must match or be compatible with the TO-252-3, DPAK (2 Leads + Tab), SC-63 package to ensure proper mechanical fit and assembly in surface mount designs.

Q3: How does RoHS status and Moisture Sensitivity Level affect selection?
A3: Substitute parts must be RoHS compliant and have a Moisture Sensitivity Level (MSL) of 1 (Unlimited) to adhere to modern environmental and storage standards.

Q4: Can a part with a higher continuous drain current (Id) or drain to source voltage (Vdss) be substituted?
A4: Substitution is valid as long as the higher ratings do not exceed application-specific circuit limits and physical package compatibility is maintained.

Q5: Is matching the supplier device package necessary?
A5: Yes. Maintaining the identical or a cross-compatible supplier device package (TO-252 or DPAK variants) ensures seamless integration in existing designs.

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