DMN5L06K-7 Equivalent & Substitute Parts

Part Overview

The DMN5L06K-7 is an N-Channel MOSFET manufactured by Diodes Incorporated, rated for 50V drain-to-source voltage with 300mA continuous drain current in a surface mount SOT-23-3 package. This device is classified as Obsolete, necessitating identification of functionally equivalent alternatives for ongoing design requirements and production continuity. Substitute parts must maintain electrical compatibility within the specified parameter ranges while accommodating modern component availability and compliance standards.

Key Parameters

Parameter	Value	Unit
FET Type	N-Channel	—
Technology	MOSFET (Metal Oxide)	—
Drain to Source Voltage (Vdss)	50	V
Continuous Drain Current (Id) @ 25°C	300	mA
Power Dissipation (Max)	350	mW
Rds On (Max) @ 50mA, 5V	2	Ohm
Vgs(th) (Max) @ 250µA	1	V
Operating Temperature Range	-65 to 150	°C
Package Type	SOT-23-3	—
Mounting Type	Surface Mount	—
RoHS Status	ROHS3 Compliant	—

Substitute Part Grouping Explanation

Substitution of the DMN5L06K-7 is determined by strict adherence to the following electrical and mechanical parameters:

Critical Matching Parameters:

FET Type: N-Channel topology
Technology: MOSFET (Metal Oxide)
Drain to Source Voltage (Vdss): Minimum 50V (equal or higher acceptable)
Continuous Drain Current (Id): Minimum 300mA at 25°C (equal or higher acceptable)
Power Dissipation: Minimum 350mW (equal or higher acceptable)
Package: SOT-23-3 or equivalent surface mount footprint (TO-236-3, SC-59)
Mounting Type: Surface Mount
RoHS Compliance: ROHS3 Compliant

Acceptable Variation Parameters:

Rds On values may vary within design margin
Vgs(th) threshold voltage within ±20V gate voltage specification
Operating temperature range may extend beyond -65°C to 150°C
Input capacitance (Ciss) variations acceptable within application requirements

All substitute parts listed maintain N-Channel MOSFET topology with SOT-23-3 compatible packaging and surface mount configuration. Electrical ratings meet or exceed the DMN5L06K-7 specifications for voltage, current, and power dissipation.

Parameter Comparison

Parameter	DMN5L06K-7	2N7002P,215	BSS138	CMPDM7003 TR PBFREE	PJA3438_R1_00001	RUC002N05T116
Manufacturer	Diodes Inc.	Nexperia USA Inc.	Good-Ark Semiconductor	Central Semiconductor	Panjit International	Rohm Semiconductor
FET Type	N-Channel	N-Channel	N-Channel	N-Channel	N-Channel	N-Channel
Vdss (V)	50	60	50	50	50	50
Id @ 25°C (mA)	300	360	220	280	500	200
Power Dissipation (mW)	350	350	430	350	500	200
Rds On (Ohm)	2 @ 50mA, 5V	1.6 @ 500mA, 10V	3.5 @ 220mA, 10V	2 @ 50mA, 5V	1.45 @ 500mA, 10V	2.2 @ 200mA, 4.5V
Vgs(th) (V)	1 @ 250µA	2.4 @ 250µA	1.5 @ 250µA	1 @ 250µA	1 @ 250µA	1 @ 1mA
Vgs (Max) (V)	±20	±20	±20	12	±20	±8
Ciss (pF)	50 @ 25V	50 @ 10V	30 @ 25V	50 @ 25V	36 @ 25V	25 @ 10V
Operating Temp (°C)	-65 to 150	-55 to 150	-55 to 175	-65 to 150	-55 to 150	to 150
Package	SOT-23-3	TO-236AB	SOT-23	SOT-23	SOT-23	SST3
Product Status	Obsolete	Not For New Designs	Active	Active	Active	Active
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant

Engineering Selection Recommendations

Primary Substitutes (Active Product Status):

CMPDM7003 TR PBFREE (Central Semiconductor Corp) is the closest electrical equivalent to the DMN5L06K-7. This part maintains identical Vdss (50V), nearly equivalent continuous drain current (280mA versus 300mA), matching Rds On specifications (2 Ohm @ 50mA, 5V), and identical threshold voltage (1V @ 250µA). The device is classified as Active, ensuring long-term availability. Operating temperature range (-65°C to 150°C) matches the original specification. SOT-23 package is footprint-compatible with SOT-23-3.

PJA3438_R1_00001 (Panjit International Inc.) provides enhanced electrical performance with higher continuous drain current (500mA) and power dissipation (500mW), both exceeding DMN5L06K-7 ratings. Vdss remains at 50V with improved Rds On (1.45 Ohm @ 500mA, 10V). This part is Active and suitable for applications requiring additional current margin. Operating temperature range (-55°C to 150°C) covers the primary operating window of the original device.

BSS138 (Good-Ark Semiconductor) is an Active alternative with 50V Vdss rating. Continuous drain current is lower at 220mA, making this substitute suitable only for applications with reduced current requirements below 220mA. Power dissipation (430mW) exceeds the original specification. Extended operating temperature range (-55°C to 175°C) provides additional thermal margin. This part is recommended only when current requirements do not exceed 220mA.

Secondary Substitutes (Limited Availability or Reduced Performance):

2N7002P,215 (Nexperia USA Inc.) is classified as Not For New Designs, limiting its suitability for new production. However, it provides higher Vdss (60V) and continuous drain current (360mA). This part is acceptable for legacy system maintenance only.

RUC002N05T116 (Rohm Semiconductor) has reduced continuous drain current (200mA) and power dissipation (200mW), both below the DMN5L06K-7 specification. This part is suitable only for applications with significantly reduced current requirements. Gate voltage maximum (±8V) is more restrictive than the original (±20V).

Recommendation Summary: For new designs and production continuity, CMPDM7003 TR PBFREE is the preferred substitute, offering electrical equivalence with Active product status. PJA3438_R1_00001 is acceptable where higher current capacity provides design margin. BSS138 is suitable only for reduced-current applications. Avoid 2N7002P,215 for new designs due to Not For New Designs status.

Frequently Asked Questions (FAQ)

Q: Can the DMN5L06K-7 be directly replaced with any of these substitutes?

A: Direct replacement depends on application current requirements. CMPDM7003 TR PBFREE and PJA3438_R1_00001 are direct replacements for applications requiring 280mA or higher continuous drain current. BSS138 is suitable only for applications with maximum current requirements of 220mA. RUC002N05T116 is limited to 200mA applications. All substitutes maintain SOT-23-3 compatible footprints and surface mount configuration.

Q: What is the primary difference between CMPDM7003 TR PBFREE and PJA3438_R1_00001?

A: Both are Active products with 50V Vdss. CMPDM7003 TR PBFREE provides 280mA continuous drain current matching the original specification more closely, while PJA3438_R1_00001 offers enhanced performance with 500mA continuous drain current and 500mW power dissipation. Selection depends on whether the application requires exact current matching or benefits from additional current margin.

Q: Why is 2N7002P,215 listed as a substitute if it is Not For New Designs?

A: 2N7002P,215 is included for reference in legacy system maintenance scenarios where existing inventory must be replaced. For new designs and production, this part should not be selected. Active alternatives (CMPDM7003 TR PBFREE or PJA3438_R1_00001) are preferred.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All listed substitute parts are ROHS3 Compliant, matching the compliance status of the original DMN5L06K-7. All parts are also REACH Unaffected and classified under ECCN EAR99.

Q: What is the significance of the SOT-23 versus SOT-23-3 package designation?

A: SOT-23 and SOT-23-3 refer to the same three-lead surface mount package with identical footprint and pinout. The designations are interchangeable for PCB layout and assembly purposes. All substitute parts use compatible package configurations (TO-236-3, SC-59, SOT-23-3, or SST3).

Q: Can BSS138 be used in all applications where DMN5L06K-7 was used?

A: BSS138 is suitable only for applications where continuous drain current does not exceed 220mA. If the original design requires 300mA continuous drain current, BSS138 will not provide adequate current capacity. For applications with lower current requirements, BSS138 is acceptable and offers extended operating temperature range to 175°C.

Q: What is the impact of different Rds On values among the substitutes?

A: Rds On (on-resistance) affects power dissipation and switching characteristics. Lower Rds On values (such as PJA3438_R1_00001 at 1.45 Ohm) result in reduced power dissipation and improved efficiency. Higher Rds On values (such as BSS138 at 3.5 Ohm) increase power dissipation. Selection should consider thermal design and efficiency requirements of the application.

Q: Are there inventory considerations when selecting a substitute?

A: Yes. CMPDM7003 TR PBFREE has 38,437 pieces in stock, PJA3438_R1_00001 has 12,963 pieces, and BSS138 has 185,400 pieces available. RUC002N05T116 has 35,100 pieces in stock. Inventory levels may influence selection for high-volume production requirements.

Q: What is the operating temperature range consideration for substitute selection?

A: The original DMN5L06K-7 operates from -65°C to 150°C. CMPDM7003 TR PBFREE matches this range exactly. PJA3438_R1_00001 and 2N7002P,215 operate from -55°C to 150°C, which covers most commercial and industrial applications but may not be suitable for extended low-temperature environments below -55°C. BSS138 extends to 175°C, providing additional high-temperature margin. RUC002N05T116 specification indicates operation to 150°C. Application temperature requirements should guide selection.

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