S-8241ACTMC-GCTT2G Equivalent & Substitute Parts

Part Overview

The S-8241ACTMC-GCTT2G is a single-cell lithium ion/polymer battery protection IC manufactured by ABLIC Inc. in SOT-23-5 surface mount packaging. This component provides over-current and over-voltage fault protection for single-cell battery applications. The part is classified as "Not For New Designs," indicating it has reached end-of-life status. Identifying equivalent and substitute parts is necessary for ongoing production support, maintenance applications, and design transitions to active alternatives.

Key Parameters

Parameter	Value
Manufacturer Part Number	S-8241ACTMC-GCTT2G
Manufacturer	ABLIC Inc.
Category	Power Management (PMIC)
Function	Battery Protection
Battery Chemistry	Lithium Ion/Polymer
Number of Cells	1
Fault Protection	Over Current, Over Voltage
Operating Temperature Range	-40°C ~ 85°C (TA)
Mounting Type	Surface Mount
Package / Case	SC-74A, SOT-753
Supplier Device Package	SOT-23-5
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)
Product Status	Not For New Designs

Substitute Part Grouping Explanation

Substitution eligibility for the S-8241ACTMC-GCTT2G is determined by the following critical parameters:

Battery Chemistry: Lithium Ion/Polymer
Number of Cells: Single-cell (1 cell)
Fault Protection Functions: Over Current and Over Voltage protection capability
Operating Temperature Range: -40°C ~ 85°C (TA)
RoHS Compliance: ROHS3 Compliant
Moisture Sensitivity Level: MSL 1 (Unlimited)

Substitute parts are grouped into two categories:

Parametric Equivalents (ABLIC Inc. S-8241 Series): Parts S-8241ABKMC-GBKT2G and S-8241ABPMC-GBPT2G share identical functional specifications, temperature range, protection features, and packaging. These represent direct parametric equivalents with different manufacturing date codes or tape configurations.

Parametric Equivalents (Diodes Incorporated AP9101 Series): Parts AP9101CAK-AATRG1, AP9101CAK-ABTRG1, AP9101CAK-ACTRG1, AP9101CAK-ADTRG1, AP9101CAK-AETRG1, AP9101CAK-AFTRG1, and AP9101CAK-AGTRG1 meet all functional and environmental requirements. These parts differ in packaging configuration (Cut Tape vs. Tape & Reel) and product status (Active vs. Obsolete).

Similar Alternative (Texas Instruments BQ29717DSET): The BQ29717DSET provides single-cell lithium ion/polymer battery protection with extended fault detection (Over Current, Over/Under Voltage, Short Circuit). It uses a different package format (6-WSON) and maintains Active product status.

Parameter Comparison

Parameter	S-8241ACTMC-GCTT2G	S-8241ABKMC-GBKT2G	S-8241ABPMC-GBPT2G	AP9101CAK-AATRG1	AP9101CAK-ACTRG1	BQ29717DSET
Manufacturer	ABLIC Inc.	ABLIC Inc.	ABLIC Inc.	Diodes Inc.	Diodes Inc.	Texas Instruments
Function	Battery Protection	Battery Protection	Battery Protection	Battery Protection	Battery Protection	Battery Protection
Battery Chemistry	Li-Ion/Polymer	Li-Ion/Polymer	Li-Ion/Polymer	Li-Ion/Polymer	Li-Ion/Polymer	Li-Ion/Polymer
Number of Cells	1	1	1	1	1	1
Fault Protection	OC, OV	OC, OV	OC, OV	OC, OV	OC, OV	OC, OUV, SC
Operating Temperature	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount
Package / Case	SC-74A, SOT-753	SC-74A, SOT-753	SC-74A, SOT-753	SC-74A, SOT-753	SC-74A, SOT-753	6-WFDFN
Supplier Device Package	SOT-23-5	SOT-23-5	SOT-23-5	SOT-25	SOT-25	6-WSON (1.5x1.5)
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
MSL	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
Product Status	Not For New Designs	Not For New Designs	Not For New Designs	Active	Active	Active
REACH Status	Not specified	REACH Unaffected	REACH Unaffected	REACH Unaffected	REACH Unaffected	REACH Unaffected

Engineering Selection Recommendations

For Direct Replacement (Same Manufacturer): S-8241ABKMC-GBKT2G and S-8241ABPMC-GBPT2G are parametric equivalents within the ABLIC S-8241 series. Both maintain identical functional specifications and environmental ratings. S-8241ABPMC-GBPT2G offers higher inventory availability (23,400 units) compared to S-8241ABKMC-GBKT2G (5,280 units).

For Active Product Transition: The Diodes Incorporated AP9101 series (AP9101CAK-AATRG1, AP9101CAK-ACTRG1, AP9101CAK-ADTRG1, AP9101CAK-AETRG1, AP9101CAK-AFTRG1, AP9101CAK-AGTRG1) provides Active product status alternatives. These parts maintain functional equivalence with identical protection features and temperature range. Packaging configuration differs (SOT-25 vs. SOT-23-5), requiring PCB layout verification. Multiple variants within this series support different supply chain configurations.

For Enhanced Protection Requirements: The Texas Instruments BQ29717DSET offers extended fault detection including under-voltage and short-circuit protection beyond the over-current and over-voltage functions of the primary part. This alternative uses 6-WSON packaging and maintains Active product status. Selection of this part requires PCB redesign due to package format change.

Compliance Considerations: All substitute parts maintain ROHS3 compliance and MSL 1 rating. Diodes and Texas Instruments alternatives provide REACH Unaffected certification, supporting regulatory requirements for new designs.

Frequently Asked Questions (FAQ)

Q: Can S-8241ABKMC-GBKT2G and S-8241ABPMC-GBPT2G be used interchangeably with S-8241ACTMC-GCTT2G?

A: Yes. Both parts are parametric equivalents within the ABLIC S-8241 series, sharing identical functional specifications, protection features (over-current and over-voltage), operating temperature range (-40°C ~ 85°C), and packaging (SOT-23-5). Differences exist only in manufacturing date codes and tape configurations.

Q: What is the difference between SOT-23-5 and SOT-25 packaging?

A: SOT-23-5 and SOT-25 are both 5-pin surface mount packages with identical pin counts and electrical functionality. However, they differ in physical dimensions and footprint geometry. PCB layout and component placement must be verified before substituting parts with different package designations.

Q: Why is the Texas Instruments BQ29717DSET listed as a similar alternative rather than a direct substitute?

A: The BQ29717DSET provides additional fault protection functions (under-voltage and short-circuit detection) beyond the over-current and over-voltage protection of the S-8241ACTMC-GCTT2G. It also uses 6-WSON packaging instead of SOT-23-5, requiring PCB redesign. These differences classify it as a similar alternative rather than a parametric equivalent.

Q: Should I select an Active product status part for new designs?

A: The S-8241ACTMC-GCTT2G is marked "Not For New Designs." For new design work, Active status alternatives such as AP9101CAK-AATRG1, AP9101CAK-ACTRG1, or BQ29717DSET are appropriate selections. For legacy production support, the ABLIC S-8241 series equivalents maintain compatibility with existing designs.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All parts listed in this reference maintain ROHS3 compliance and MSL 1 (Unlimited) moisture sensitivity rating, supporting environmental and regulatory requirements.

Q: What inventory considerations apply to these substitutes?

A: S-8241ABPMC-GBPT2G offers the highest inventory availability (23,400 units) among ABLIC equivalents. Diodes Incorporated AP9101 variants range from 769 to 3,100 units. Texas Instruments BQ29717DSET maintains 1,854 units. Inventory levels should be verified with suppliers for production planning.

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