S-8341C30AFT-T2-U Equivalent & Substitute Parts

Part Overview

The S-8341C30AFT-T2-U is a Boost Regulator Positive Output Step-Up DC-DC Controller IC manufactured by ABLIC Inc. in 8-TSSOP packaging. This component functions as a transistor driver for step-up (boost) topology power management applications with a single positive output phase. The part is classified as obsolete, making identification of equivalent and substitute components essential for ongoing design support and production continuity.

Key Parameters

Parameter	Value
Manufacturer	ABLIC Inc.
Category	Power Management (PMIC)
Function	Step-Up (Boost)
Output Type	Transistor Driver
Output Configuration	Positive
Number of Outputs	1
Output Phases	1
Voltage Supply Range (Vcc/Vdd)	0.8V ~ 6V
Frequency - Switching	300kHz
Duty Cycle (Max)	89%
Synchronous Rectifier	No
Clock Sync	No
Control Features	Current Limit, Enable, Soft Start
Operating Temperature	-40°C ~ 85°C (TA)
Mounting Type	Surface Mount
Package / Case	8-TSSOP (0.173", 4.40mm Width)
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)
REACH Status	REACH Unaffected

Substitute Part Grouping Explanation

Substitution of the S-8341C30AFT-T2-U is determined by strict equivalence across the following critical parameters:

Mandatory Matching Parameters:

Manufacturer: ABLIC Inc.
Category: Power Management (PMIC)
Function: Step-Up (Boost)
Output Type: Transistor Driver
Output Configuration: Positive
Number of Outputs: 1
Output Phases: 1
Voltage Supply Range: 0.8V ~ 6V
Duty Cycle (Max): 89%
Synchronous Rectifier: No
Clock Sync: No
Control Features: Current Limit, Enable, Soft Start
Operating Temperature: -40°C ~ 85°C (TA)
Mounting Type: Surface Mount
Package / Case: 8-TSSOP (0.173", 4.40mm Width)
RoHS Status: ROHS3 Compliant
Moisture Sensitivity Level: 1 (Unlimited)
REACH Status: REACH Unaffected

Variable Parameter (Allows Substitution):

Frequency - Switching: The S-8341C30AFT-T2-U operates at 300kHz. Substitute parts may operate at alternative switching frequencies (30kHz, 600kHz) while maintaining all other electrical and mechanical specifications.

All six substitute parts listed maintain complete equivalence across mandatory parameters and differ only in switching frequency specification.

Parameter Comparison

Part Number	Manufacturer	Switching Frequency	Voltage Supply (Vcc/Vdd)	Duty Cycle (Max)	Operating Temperature	Package	Inventory Status
S-8341C30AFT-T2-U	ABLIC Inc.	300kHz	0.8V ~ 6V	89%	-40°C ~ 85°C	8-TSSOP	747 Pcs
S-8340A50AFT-T2-U	ABLIC Inc.	600kHz	0.8V ~ 6V	89%	-40°C ~ 85°C	8-TSSOP	900 Pcs
S-8340B00AFT-T2-U	ABLIC Inc.	600kHz	0.8V ~ 6V	89%	-40°C ~ 85°C	8-TSSOP	909 Pcs
S-8340C50AFT-T2-U	ABLIC Inc.	300kHz	0.8V ~ 6V	89%	-40°C ~ 85°C	8-TSSOP	1085 Pcs
S-8341A50AFT-T2-U	ABLIC Inc.	600kHz	0.8V ~ 6V	89%	-40°C ~ 85°C	8-TSSOP	828 Pcs
S-8341B00AFT-T2-U	ABLIC Inc.	600kHz	0.8V ~ 6V	89%	-40°C ~ 85°C	8-TSSOP	5270 Pcs
S-8341C33AFT-T2-U	ABLIC Inc.	30kHz	0.8V ~ 6V	89%	-40°C ~ 85°C	8-TSSOP	789 Pcs

Engineering Selection Recommendations

All substitute parts are manufactured by ABLIC Inc. and maintain ROHS3 compliance and REACH unaffected status, consistent with the original S-8341C30AFT-T2-U. All parts are classified as obsolete, reflecting their product lifecycle status.

Selection among substitute parts should be based on application-specific switching frequency requirements:

300kHz switching frequency: S-8341C30AFT-T2-U (original, 747 Pcs available) or S-8340C50AFT-T2-U (1085 Pcs available)
600kHz switching frequency: S-8340A50AFT-T2-U, S-8340B00AFT-T2-U, S-8341A50AFT-T2-U, or S-8341B00AFT-T2-U (highest inventory: S-8341B00AFT-T2-U with 5270 Pcs)
30kHz switching frequency: S-8341C33AFT-T2-U (789 Pcs available)

All parts are surface mount 8-TSSOP devices with identical mechanical footprints and electrical operating ranges. Moisture sensitivity level 1 (unlimited) applies uniformly across all variants.

Frequently Asked Questions (FAQ)

Q: Can I substitute the S-8341C30AFT-T2-U with any of the listed parts?

A: Yes, all listed parts are parametric equivalents. The S-8341C30AFT-T2-U operates at 300kHz switching frequency. Direct frequency-matched substitutes are S-8340C50AFT-T2-U (also 300kHz). Other variants operate at 30kHz or 600kHz and are suitable only if your application design accommodates the alternative switching frequency.

Q: What is the primary difference between these substitute parts?

A: The switching frequency specification is the only variable parameter. All parts maintain identical voltage supply range (0.8V ~ 6V), duty cycle maximum (89%), control features, operating temperature range (-40°C ~ 85°C), and 8-TSSOP package dimensions.

Q: Are all parts in the same physical package?

A: Yes. All parts use 8-TSSOP (0.173", 4.40mm Width) surface mount packaging with identical mechanical footprints. PCB layout and land pattern compatibility is assured across all variants.

Q: Do compliance certifications differ between parts?

A: No. All parts maintain ROHS3 compliance, REACH unaffected status, and MSL 1 (unlimited) moisture sensitivity level. Regulatory and environmental compliance is uniform across all substitute options.

Q: Which substitute part has the highest current inventory?

A: S-8341B00AFT-T2-U offers the highest inventory at 5270 pieces. This part operates at 600kHz switching frequency and is suitable for applications where this frequency specification is acceptable.

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