IRLL110TR N-Channel MOSFET 100V 1.5A SOT-223 Equivalent & Substitute Parts

Part Overview

The IRLL110TR is an N-Channel metal oxide semiconductor field-effect transistor (MOSFET) manufactured by Vishay Siliconix, rated for 100V drain-to-source voltage and 1.5A continuous drain current in a surface mount SOT-223 package. This device is classified as obsolete product status. Equivalent and substitute parts are necessary to maintain design continuity, ensure supply chain availability, and meet current regulatory compliance requirements including RoHS and REACH standards.

Key Parameters

Parameter	Value	Unit
FET Type	N-Channel	—
Technology	MOSFET (Metal Oxide)	—
Drain to Source Voltage (Vdss)	100	V
Current - Continuous Drain (Id) @ 25°C	1.5	A (Tc)
Rds On (Max) @ Id, Vgs	540	mOhm @ 900mA, 5V
Vgs(th) (Max) @ Id	2	V @ 250µA
Gate Charge (Qg) (Max) @ Vgs	6.1	nC @ 5V
Vgs (Max)	±10	V
Input Capacitance (Ciss) (Max) @ Vds	250	pF @ 25V
Power Dissipation (Max)	2 (Ta), 3.1 (Tc)	W
Operating Temperature	-55 to 150	°C (TJ)
Mounting Type	Surface Mount	—
Package / Case	TO-261-4, TO-261AA	—
Supplier Device Package	SOT-223	—
Moisture Sensitivity Level (MSL)	1 (Unlimited)	—

Substitute Part Grouping Explanation

Substitution of the IRLL110TR is determined by electrical and mechanical parameter equivalence within the N-Channel MOSFET category. The critical parameters that define substitutability are:

Electrical Parameters:

Drain to Source Voltage (Vdss): 100V minimum
Continuous Drain Current (Id): 1.5A or greater at 25°C
On-State Resistance (Rds On): 540mOhm or lower at specified gate voltage
Gate Threshold Voltage (Vgs(th)): 2V or lower
Gate Charge (Qg): 6.1nC or lower
Maximum Gate Voltage (Vgs): ±10V or greater
Input Capacitance (Ciss): 250pF or lower
Power Dissipation: 2W (Ta) or greater
Operating Temperature Range: -55°C to 150°C or wider

Mechanical Parameters:

Mounting Type: Surface Mount
Package: SOT-223 (TO-261-4, TO-261AA)
Moisture Sensitivity Level: 1 (Unlimited)

Substitute parts are grouped into two categories: parametric equivalents from Vishay Siliconix with identical electrical specifications and packaging, and manufacturer-recommended alternatives from other suppliers that meet or exceed the electrical requirements while maintaining package compatibility.

Parameter Comparison

Parameter	IRLL110TR	IRLL110TRPBF	IRLL110TRPBF-BE3	SIHLL110TR-GE3	ZVN4310GTA
Manufacturer	Vishay Siliconix	Vishay Siliconix	Vishay Siliconix	Vishay Siliconix	Diodes Incorporated
FET Type	N-Channel	N-Channel	N-Channel	N-Channel	N-Channel
Vdss (V)	100	100	100	100	100
Id @ 25°C (A)	1.5 (Tc)	1.5 (Tc)	1.5 (Tc)	1.5 (Tc)	1.67 (Ta)
Rds On (Max) (mOhm)	540 @ 900mA, 5V	540 @ 900mA, 5V	540 @ 900mA, 5V	540 @ 900mA, 5V	540 @ 3.3A, 10V
Vgs(th) (Max) (V)	2 @ 250µA	2 @ 250µA	2 @ 250µA	2 @ 250µA	3 @ 1mA
Qg (Max) (nC)	6.1 @ 5V	6.1 @ 5V	6.1 @ 5V	6.1 @ 5V	Not specified
Vgs (Max) (V)	±10	±10	±10	±10	±20
Ciss (Max) (pF)	250 @ 25V	250 @ 25V	250 @ 25V	250 @ 25V	350 @ 25V
Power Dissipation (Max) (W)	2 (Ta), 3.1 (Tc)	2 (Ta), 3.1 (Tc)	2 (Ta), 3.1 (Tc)	2 (Ta), 3.1 (Tc)	3 (Ta)
Operating Temperature (°C)	-55 to 150	-55 to 150	-55 to 150	-55 to 150	-55 to 150
Package	SOT-223	SOT-223	SOT-223	SOT-223	SOT-223-3
Product Status	Obsolete	Active	Active	Active	Active
RoHS Status	Non-compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant

Engineering Selection Recommendations

Primary Substitutes (Parametric Equivalents):

IRLL110TRPBF and IRLL110TRPBF-BE3 are direct parametric equivalents to the IRLL110TR. Both parts are manufactured by Vishay Siliconix and maintain identical electrical specifications across all critical parameters. The primary distinction between these substitutes is packaging format: IRLL110TRPBF is supplied in Cut Tape (CT) and Digi-Reel format, while IRLL110TRPBF-BE3 is supplied in Tape & Reel (TR) format. Both substitutes are ROHS3 compliant and carry active product status, eliminating obsolescence risk. Selection between these two should be based on procurement and assembly requirements.

SIHLL110TR-GE3 is also a parametric equivalent from Vishay Siliconix with identical electrical performance. This part carries the SIHLL110 base product number designation and is supplied in Tape & Reel format. It is ROHS3 compliant with active product status. Inventory availability for this part exceeds 80,000 units.

Alternative Substitute (Manufacturer-Recommended):

ZVN4310GTA is a manufacturer-recommended alternative from Diodes Incorporated. This part meets or exceeds the electrical requirements of the IRLL110TR with the following distinctions: continuous drain current rating of 1.67A (compared to 1.5A), maximum gate voltage of ±20V (compared to ±10V), and input capacitance of 350pF (compared to 250pF). Power dissipation is rated at 3W (Ta), exceeding the IRLL110TR specification. The ZVN4310GTA is ROHS3 compliant with active product status. This part is suitable for applications where higher current capability or gate voltage tolerance is beneficial.

All substitute parts maintain the SOT-223 surface mount package format and -55°C to 150°C operating temperature range. All substitutes carry MSL 1 (Unlimited) moisture sensitivity rating. Selection of any substitute part should be based on product status (all active), regulatory compliance (all ROHS3 compliant), supply chain availability, and specific application requirements regarding current capacity and gate voltage tolerance.

Frequently Asked Questions (FAQ)

Q: Can IRLL110TRPBF directly replace IRLL110TR in existing designs?

A: Yes. IRLL110TRPBF is a parametric equivalent with identical electrical specifications and SOT-223 packaging. The primary difference is product status: IRLL110TRPBF is active while IRLL110TR is obsolete. No design modifications are required for direct substitution.

Q: What is the difference between IRLL110TRPBF and IRLL110TRPBF-BE3?

A: Both parts are parametric equivalents with identical electrical specifications. The difference is packaging format: IRLL110TRPBF is supplied in Cut Tape (CT) and Digi-Reel format, while IRLL110TRPBF-BE3 is supplied in Tape & Reel (TR) format. Selection depends on assembly line requirements and procurement preferences.

Q: Is SIHLL110TR-GE3 compatible with IRLL110TR?

A: Yes. SIHLL110TR-GE3 is a parametric equivalent with identical electrical specifications and SOT-223 packaging. The base product number differs (SIHLL110 versus IRLL110), but electrical performance is equivalent. This part is supplied in Tape & Reel format.

Q: Can ZVN4310GTA be used as a substitute for IRLL110TR?

A: Yes, with design considerations. ZVN4310GTA meets or exceeds all critical electrical parameters: 100V Vdss, 1.67A continuous drain current (exceeds 1.5A requirement), 540mOhm Rds On, and 3W power dissipation. The part is manufactured by Diodes Incorporated and is ROHS3 compliant. Differences include higher gate voltage rating (±20V versus ±10V) and higher input capacitance (350pF versus 250pF). These differences do not prevent substitution in most applications.

Q: Are all substitute parts RoHS compliant?

A: IRLL110TR is RoHS non-compliant. All substitute parts (IRLL110TRPBF, IRLL110TRPBF-BE3, SIHLL110TR-GE3, and ZVN4310GTA) are ROHS3 compliant. This compliance improvement is a key advantage of substitution.

Q: What is the difference between Tc and Ta current ratings?

A: Tc (case temperature) and Ta (ambient temperature) represent different measurement conditions. IRLL110TR specifies 1.5A at Tc (case temperature). ZVN4310GTA specifies 1.67A at Ta (ambient temperature). Both ratings are valid; the measurement condition reflects the thermal environment used during characterization.

Q: Do all substitute parts use the same SOT-223 package?

A: Yes. All substitute parts use SOT-223 surface mount packaging with TO-261-4 and TO-261AA case designations. ZVN4310GTA is designated SOT-223-3, which is the same physical package. No PCB layout modifications are required for substitution.

Q: What is the MSL rating for these parts?

A: All parts, including the original IRLL110TR and all substitutes, carry MSL 1 (Unlimited) moisture sensitivity rating. This indicates no moisture sensitivity precautions are required during storage or handling.

Q: Which substitute part has the highest inventory availability?

A: SIHLL110TR-GE3 has the highest inventory availability at 80,240 units. IRLL110TRPBF has 30,320 units available. IRLL110TRPBF-BE3 has 5,100 units available. ZVN4310GTA has 25,720 units available.

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