DMP21D1UT-13 Equivalent & Substitute Parts Reference Page

Part Overview

DMP21D1UT-13 is a P-Channel MOSFET with a 20 V drain-to-source voltage and 630mA continuous drain current rating, offered in a SOT-523 surface-mount package. The product is currently active. Finding alternative models is necessary for supply continuity, risk mitigation, and qualification for applications that require parametric equivalence or additional certifications.

Key Parameters

Manufacturer Part Number	FET Type	Technology	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	REACH Status
DMP21D1UT-13	P-Channel	MOSFET (Metal Oxide)	20 V	630mA (Ta)	1.8V, 4.5V	710mOhm @ 400mA, 4.5V	1V @ 250µA	1.4 nC @ 4.5 V	±8V	33 pF @ 10 V	260mW (Ta)	-55°C ~ 150°C (TJ)	Surface Mount	SOT-523	SOT-523	ROHS3 Compliant	REACH Unaffected

Substitute Part Grouping Explanation

Substitute parts must match the main part number DMP21D1UT-13 by aligning with all key electrical and mechanical specifications. Equivalence is determined solely by FET type, technology, drain-source voltage, current rating, Rds(on) value, gate threshold, gate charge, voltage and capacitance ratings, power dissipation, operating temperature, mounting method, package, and compliance status.

Parameter Comparison

Parameter	DMP21D1UT-13	DMP21D1UTQ-7
Manufacturer Part Number	DMP21D1UT-13	DMP21D1UTQ-7
Manufacturer	Diodes Incorporated	Diodes Incorporated
FET Type	P-Channel	P-Channel
Technology	MOSFET (Metal Oxide)	MOSFET (Metal Oxide)
Drain to Source Voltage (Vdss)	20 V	20 V
Current - Continuous Drain (Id) @ 25°C	630mA (Ta)	630mA (Ta)
Drive Voltage (Max Rds On, Min Rds On)	1.8V, 4.5V	1.8V, 4.5V
Rds On (Max) @ Id, Vgs	710mOhm @ 400mA, 4.5V	710mOhm @ 400mA, 4.5V
Vgs(th) (Max) @ Id	1V @ 250µA	1V @ 250µA
Gate Charge (Qg) (Max) @ Vgs	1.4 nC @ 4.5 V	1.4 nC @ 4.5 V
Vgs (Max)	±8V	±8V
Input Capacitance (Ciss) (Max) @ Vds	33 pF @ 10 V	33 pF @ 10 V
Power Dissipation (Max)	260mW (Ta)	260mW (Ta)
Operating Temperature	-55°C ~ 150°C (TJ)	-55°C ~ 150°C (TJ)
Mounting Type	Surface Mount	Surface Mount
Supplier Device Package	SOT-523	SOT-523
Package / Case	SOT-523	SOT-523
RoHS Status	ROHS3 Compliant	ROHS3 Compliant
REACH Status	REACH Unaffected	REACH Unaffected

Engineering Selection Recommendations

Both DMP21D1UT-13 and DMP21D1UTQ-7 have active product status, are RoHS3 compliant, and have unaffected REACH status. DMP21D1UTQ-7 is additionally classified as automotive grade with AEC-Q101 qualification. Selection between these equivalents should be based on the required certification level and inventory availability in the intended application context.

Frequently Asked Questions (FAQ)

Q1: What are the essential substitution criteria for DMP21D1UT-13?
A1: Substitution is determined strictly by matching all primary electrical parameters, package type, mounting method, compliance, and operating temperature range.

Q2: Are DMP21D1UT-13 and DMP21D1UTQ-7 identical in performance and form factor?
A2: Both models have identical electrical ratings, performance parameters, and SOT-523 surface-mount package format.

Q3: Is there a difference in compliance or qualification between these MOSFETs?
A3: DMP21D1UTQ-7 is specified as automotive grade and AEC-Q101 qualified, in addition to shared RoHS3 and REACH compliance.

Q4: Can either part be used interchangeably in existing PCB layouts?
A4: Both parts use the SOT-523 package and surface-mount format, supporting direct interchange under matching electrical requirements.

Q5: How should an engineer choose between standard and automotive grade substitutes?
A5: Selection should be based on application requirements regarding certification and qualification level, in accordance with provided compliance status.

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