IPP14N03LA Equivalent & Substitute Parts Reference

Part Overview

The IPP14N03LA is an N-Channel MOSFET manufactured by Infineon Technologies, rated for 25V drain-to-source voltage with 30A continuous drain current at 25°C. This device is housed in a TO-220-3 through-hole package and belongs to the OptiMOS™ series. The part is currently listed as obsolete, making identification of functionally equivalent substitutes essential for ongoing design support and production continuity. Substitute parts must maintain compatibility across electrical ratings, thermal characteristics, and mechanical packaging to ensure direct replacement capability.

Key Parameters

Parameter	Value	Unit
Drain to Source Voltage (Vdss)	25	V
Continuous Drain Current (Id) @ 25°C	30	A
On-State Resistance (Rds On Max) @ 30A, 10V	13.9	mOhm
Gate Threshold Voltage (Vgs th Max) @ 20µA	2	V
Gate Charge (Qg Max) @ 5V	8.3	nC
Input Capacitance (Ciss Max) @ 15V	1043	pF
Power Dissipation (Max)	46	W
Operating Temperature Range	-55 to 175	°C
Package Type	TO-220-3	Through Hole
Product Status	Obsolete	—

Substitute Part Grouping Explanation

Substitution of the IPP14N03LA is determined by the following critical parameters:

Electrical Compatibility Requirements:

Drain-to-source voltage (Vdss) must equal or exceed 25V
Continuous drain current (Id) must equal or exceed 30A at 25°C
On-state resistance (Rds On) must not significantly exceed 13.9 mOhm to maintain thermal performance
Gate threshold voltage (Vgs th) must fall within acceptable switching characteristics
Maximum gate charge (Qg) and input capacitance (Ciss) must be compatible with existing gate drive circuits

Mechanical Compatibility Requirements:

Package type must be TO-220-3 through-hole configuration
Mounting type must be through-hole
Pin configuration must match TO-220-3 standard

Environmental & Compliance Requirements:

Operating temperature range must span -55°C to 175°C
Moisture sensitivity level (MSL) must be 1 (Unlimited)
REACH and ECCN compliance status must be maintained

The two substitute parts listed below satisfy these criteria within the allowed parameter ranges for this product category.

Parameter Comparison

Parameter	IPP14N03LA	IRLB8721PBF	PSMN022-30PL,127	Unit
Manufacturer	Infineon Technologies	Infineon Technologies	Nexperia USA Inc.	—
FET Type	N-Channel	N-Channel	N-Channel	—
Vdss (Drain-Source Voltage)	25	30	30	V
Id (Continuous Drain Current @ 25°C)	30	62	30	A
Rds On (Max)	13.9 @ 30A, 10V	8.7 @ 31A, 10V	22 @ 5A, 10V	mOhm
Vgs(th) (Max)	2 @ 20µA	2.35 @ 25µA	2.15 @ 1mA	V
Qg (Gate Charge Max)	8.3 @ 5V	13 @ 4.5V	9 @ 10V	nC
Ciss (Input Capacitance Max) @ 15V	1043	1077	447	pF
Power Dissipation (Max)	46	65	41	W
Operating Temperature Range	-55 to 175	-55 to 175	-55 to 175	°C
Package / Case	TO-220-3	TO-220-3	TO-220-3	—
Mounting Type	Through Hole	Through Hole	Through Hole	—
Product Status	Obsolete	Active	Obsolete	—
MSL (Moisture Sensitivity Level)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	—
REACH Status	REACH Unaffected	REACH Unaffected	REACH Unaffected	—

Engineering Selection Recommendations

IRLB8721PBF (Infineon Technologies)

The IRLB8721PBF is an active-status N-Channel MOSFET rated for 30V Vdss and 62A continuous drain current. This part exceeds the electrical requirements of the IPP14N03LA across all critical parameters: higher voltage rating (30V vs. 25V), higher current capability (62A vs. 30A), and superior on-state resistance (8.7 mOhm vs. 13.9 mOhm). The IRLB8721PBF maintains identical operating temperature range (-55°C to 175°C), MSL rating (1 - Unlimited), and REACH compliance. Both parts are manufactured by Infineon Technologies and use the same TO-220-3 through-hole package. The higher power dissipation rating (65W vs. 46W) and increased gate charge (13 nC vs. 8.3 nC) are within acceptable design margins for most applications. Active product status ensures long-term availability and supply chain continuity.

PSMN022-30PL,127 (Nexperia USA Inc.)

The PSMN022-30PL,127 is an N-Channel MOSFET rated for 30V Vdss and 30A continuous drain current, matching the current rating of the IPP14N03LA while providing a higher voltage margin (30V vs. 25V). This part maintains identical operating temperature range, MSL rating, and REACH compliance. The TO-220-3 through-hole package ensures mechanical compatibility. However, the on-state resistance specification (22 mOhm @ 5A, 10V) is higher than the IPP14N03LA (13.9 mOhm @ 30A, 10V), and the power dissipation rating (41W) is lower (46W). The PSMN022-30PL,127 is currently listed as obsolete, similar to the IPP14N03LA. This part is suitable for applications where the higher on-state resistance and lower power dissipation are acceptable trade-offs.

Frequently Asked Questions (FAQ)

Q: Can the IRLB8721PBF directly replace the IPP14N03LA in all applications?

A: The IRLB8721PBF meets or exceeds all electrical and mechanical parameters of the IPP14N03LA. The higher voltage rating (30V vs. 25V), increased current capability (62A vs. 30A), and improved on-state resistance (8.7 mOhm vs. 13.9 mOhm) make it suitable for direct replacement. The increased gate charge (13 nC vs. 8.3 nC) may require gate drive circuit evaluation in high-frequency switching applications. Both parts use identical TO-220-3 packaging and share the same operating temperature range.

Q: What is the difference between the two substitute parts?

A: The IRLB8721PBF offers significantly higher current capability (62A vs. 30A) and lower on-state resistance (8.7 mOhm vs. 22 mOhm), making it the superior choice for high-current applications. The PSMN022-30PL,127 matches the 30A current rating of the IPP14N03LA but with higher on-state resistance and lower power dissipation. The IRLB8721PBF has active product status, while the PSMN022-30PL,127 is obsolete.

Q: Are there any package compatibility concerns?

A: Both substitute parts use the TO-220-3 through-hole package, identical to the IPP14N03LA. Pin configuration and mechanical dimensions are standard across all three parts, ensuring direct PCB compatibility without layout modifications.

Q: How do gate charge differences affect circuit design?

A: The IPP14N03LA has a gate charge of 8.3 nC at 5V, while the IRLB8721PBF has 13 nC at 4.5V. Higher gate charge requires more energy from the gate drive circuit to switch the device. In applications with marginal gate drive capability, the increased gate charge of the IRLB8721PBF may necessitate gate driver circuit evaluation. The PSMN022-30PL,127 has 9 nC at 10V, which is comparable to the original part.

Q: What is the significance of product status (Active vs. Obsolete)?

A: Active product status indicates ongoing manufacturing and long-term availability. The IRLB8721PBF, with active status, provides supply chain security and continued manufacturer support. The IPP14N03LA and PSMN022-30PL,127 are both obsolete, meaning production has ended and availability is limited to existing inventory.

Q: Are all three parts RoHS and REACH compliant?

A: All three parts maintain REACH Unaffected status and MSL 1 (Unlimited) moisture sensitivity rating. The IRLB8721PBF and PSMN022-30PL,127 are explicitly RoHS3 compliant. Compliance certifications ensure suitability for regulated applications and environmental standards.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message