TSM4436CS RLG N-Channel 60V 8A MOSFET Equivalent & Substitute Parts

Part Overview

The TSM4436CS RLG is an N-Channel MOSFET manufactured by Taiwan Semiconductor Corporation, designed for surface mount applications in 8-SOP packaging. This device operates at 60V drain-to-source voltage with 8A continuous drain current and 2.5W power dissipation capability. The part is currently in active production status with ROHS3 compliance and is suitable for general-purpose switching and amplification circuits requiring moderate voltage and current handling.

Substitute parts are identified based on matching electrical specifications, package compatibility, and operational parameters that ensure functional equivalence in circuit applications.

Key Parameters

Parameter	Value	Unit
FET Type	N-Channel	—
Drain to Source Voltage (Vdss)	60	V
Continuous Drain Current (Id) @ 25°C	8	A
On-State Resistance (Rds On) @ 4.6A, 10V	36	mOhm
Gate Threshold Voltage (Vgs(th)) @ 250µA	3	V
Power Dissipation (Max)	2.5	W
Operating Temperature Range	-55 to 150	°C
Package Type	8-SOIC	—
Mounting Type	Surface Mount	—

Substitute Part Grouping Explanation

Substitute parts for the TSM4436CS RLG are qualified based on the following electrical and mechanical parameters:

Critical Matching Parameters:

Drain-to-Source Voltage (Vdss): 60V
Continuous Drain Current (Id): 8A
On-State Resistance (Rds On): 36mOhm @ 4.6A, 10V
Package Configuration: 8-SOIC surface mount
Gate Voltage Range: ±20V maximum
Operating Temperature Range: -55°C to 150°C

Compliance Requirements:

ROHS3 compliance
EAR99 export classification
HTSUS code 8541.29.0095

The substitute parts SI4436DY-T1-E3 and SI4436DY-T1-GE3 from Vishay Siliconix meet all critical electrical parameters and package requirements. Both devices are manufactured using TrenchFET® technology and maintain identical Vdss, Id, Rds On, and temperature specifications. Packaging differences (Tape & Reel versus Cut Tape & Digi-Reel®) do not affect electrical equivalence.

Parameter Comparison

Parameter	TSM4436CS RLG	SI4436DY-T1-E3	SI4436DY-T1-GE3	Unit
Manufacturer	Taiwan Semiconductor	Vishay Siliconix	Vishay Siliconix	—
FET Type	N-Channel	N-Channel	N-Channel	—
Vdss	60	60	60	V
Id @ 25°C	8 (Ta)	8 (Tc)	8 (Tc)	A
Rds On @ 4.6A, 10V	36	36	36	mOhm
Vgs(th) @ 250µA	3	2.5	2.5	V
Gate Charge (Qg) @ Vgs	10.5 nC @ 4.5V	32 nC @ 10V	32 nC @ 10V	nC
Input Capacitance (Ciss) @ 30V	1100	1100	1100	pF
Power Dissipation (Max)	2.5 (Ta)	2.5 (Ta), 5 (Tc)	2.5 (Ta), 5 (Tc)	W
Operating Temperature	-55 to 150	-55 to 150	-55 to 150	°C
Package	8-SOIC	8-SOIC	8-SOIC	—
Mounting Type	Surface Mount	Surface Mount	Surface Mount	—
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	—
MSL Rating	3 (168 Hours)	1 (Unlimited)	1 (Unlimited)	—
Packaging Format	Cut Tape (CT)	Tape & Reel (TR)	Cut Tape (CT) & Digi-Reel®	—

Engineering Selection Recommendations

TSM4436CS RLG (Primary Part)

The TSM4436CS RLG remains the primary selection when Taiwan Semiconductor Corporation sourcing is required or when Cut Tape packaging is specified. This device is in active production with full ROHS3 compliance and EAR99 export classification. Current inventory of 15,202 units supports immediate availability for production requirements.

SI4436DY-T1-E3 (Substitute - Tape & Reel)

The SI4436DY-T1-E3 is a direct electrical equivalent supplied by Vishay Siliconix in Tape & Reel packaging format. This part maintains all critical electrical specifications including 60V Vdss, 8A continuous drain current, and 36mOhm on-state resistance. The TrenchFET® technology platform provides enhanced performance characteristics with lower gate charge (32nC versus 10.5nC) and improved power dissipation capability (5W at Tc versus 2.5W at Ta). MSL rating of 1 (Unlimited) provides superior moisture handling compared to the primary part. ROHS3 compliance and EAR99 classification are maintained. Inventory of 1,936 units is available.

SI4436DY-T1-GE3 (Substitute - Cut Tape & Digi-Reel®)

The SI4436DY-T1-GE3 is electrically identical to SI4436DY-T1-E3 and provides the same performance advantages. This variant is supplied in Cut Tape and Digi-Reel® packaging, offering packaging flexibility for both manual and automated assembly processes. All electrical specifications, compliance certifications, and performance characteristics are equivalent to SI4436DY-T1-E3. Inventory of 1,800 units is available.

Substitution Basis

Both Vishay Siliconix parts are qualified substitutes based on:

Identical Vdss (60V) and Id (8A) ratings
Matching Rds On specification (36mOhm @ 4.6A, 10V)
Identical input capacitance (1100pF @ 30V)
Matching gate voltage range (±20V)
Identical operating temperature range (-55°C to 150°C)
Compatible 8-SOIC package footprint
Full ROHS3 compliance and EAR99 classification

Frequently Asked Questions (FAQ)

Q: Can SI4436DY-T1-E3 and SI4436DY-T1-GE3 be used interchangeably with TSM4436CS RLG?

A: Yes. Both Vishay Siliconix parts are direct electrical equivalents. All critical parameters including Vdss, Id, Rds On, and package configuration are identical. The primary differences are packaging format (Tape & Reel versus Cut Tape & Digi-Reel®) and MSL rating, which do not affect circuit functionality.

Q: What is the difference between SI4436DY-T1-E3 and SI4436DY-T1-GE3?

A: Both parts are electrically identical. The difference is packaging format. SI4436DY-T1-E3 is supplied in Tape & Reel format, while SI4436DY-T1-GE3 is supplied in Cut Tape and Digi-Reel® format. Selection depends on assembly process requirements and handling preferences.

Q: Are there differences in gate charge between the main part and substitutes?

A: Yes. The TSM4436CS RLG specifies 10.5nC gate charge at 4.5V, while both Vishay substitutes specify 32nC at 10V. These measurements are taken at different gate voltage levels and do not indicate incompatibility. The on-state resistance and drain current specifications remain identical.

Q: What is the significance of the MSL rating difference?

A: The TSM4436CS RLG has MSL 3 (168 hours), while both Vishay substitutes have MSL 1 (Unlimited). MSL rating indicates moisture sensitivity level. Lower MSL ratings provide greater tolerance to moisture exposure during storage and handling. This difference does not affect electrical performance but may influence storage and handling procedures.

Q: Are all three parts ROHS3 compliant?

A: Yes. The TSM4436CS RLG, SI4436DY-T1-E3, and SI4436DY-T1-GE3 are all ROHS3 compliant and carry EAR99 export classification with HTSUS code 8541.29.0095.

Q: Can these parts be used in high-temperature applications?

A: Yes. All three parts operate across the identical temperature range of -55°C to 150°C (TJ). The Vishay substitutes offer enhanced power dissipation at elevated case temperatures (5W at Tc), providing additional thermal margin in demanding applications.

Q: What is the package footprint compatibility?

A: All three parts use 8-SOIC packaging with 0.154" (3.90mm) width. The footprint is identical, allowing direct PCB layout compatibility without redesign.

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