S-8261ABAMD-G3AT2G Equivalent & Substitute Parts

Part Overview

The S-8261ABAMD-G3AT2G is a Battery Protection IC for single-cell Lithium Ion/Polymer applications manufactured by ABLIC Inc. This Surface Mount device in SOT-23-6 packaging provides over-current and short-circuit fault protection. The part is currently Active in product status with 2288 units in stock. Alternative models are necessary to address supply chain flexibility, packaging format requirements (Tape & Reel versus Cut Tape), and inventory availability across different distribution channels.

Key Parameters

Parameter	Value
Manufacturer	ABLIC Inc.
Category	Power Management (PMIC)
Function	Battery Protection
Battery Chemistry	Lithium Ion/Polymer
Number of Cells	1
Fault Protection	Over Current, Short Circuit
Package / Case	SOT-23-6
Mounting Type	Surface Mount
Operating Temperature	-40°C ~ 85°C (TA)
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)
Product Status	Active

Substitute Part Grouping Explanation

Substitution eligibility for the S-8261ABAMD-G3AT2G is determined by the following critical parameters:

Primary Substitution Criteria:

Battery Chemistry: Lithium Ion/Polymer
Number of Cells: 1
Fault Protection: Over Current, Short Circuit
Package / Case: SOT-23-6
Mounting Type: Surface Mount
Operating Temperature Range: -40°C ~ 85°C (TA)
RoHS Status: ROHS3 Compliant

Parametric Equivalents (S-8240ACS-M6T1U, S-8240ADZ-M6T1U, S-8261AAJMD-G2JT2G, S-8261AAJMD-G2JT2U) meet all primary substitution criteria and differ only in packaging format (Tape & Reel versus Cut Tape) and inventory levels.

Similar Part (AP9234LA-AO-HSB-7) shares the same battery chemistry, cell count, and operating temperature range but uses a different package type (6-UDFN Exposed Pad) and has an Obsolete product status. This part is not a direct substitute due to package incompatibility and obsolescence.

Parameter Comparison

Parameter	S-8261ABAMD-G3AT2G	S-8240ACS-M6T1U	S-8240ADZ-M6T1U	S-8261AAJMD-G2JT2G	S-8261AAJMD-G2JT2U
Manufacturer	ABLIC Inc.	ABLIC Inc.	ABLIC Inc.	ABLIC Inc.	ABLIC Inc.
Base Product Number	S-8261	S-8240	S-8240	S-8261	S-8261
Function	Battery Protection	Battery Protection	Battery Protection	Battery Protection	Battery Protection
Battery Chemistry	Lithium Ion/Polymer	Lithium Ion/Polymer	Lithium Ion/Polymer	Lithium Ion/Polymer	Lithium Ion/Polymer
Number of Cells	1	1	1	1	1
Fault Protection	Over Current, Short Circuit	Over Current, Short Circuit	Over Current, Short Circuit	Over Current, Short Circuit	Over Current, Short Circuit
Package / Case	SOT-23-6	SOT-23-6	SOT-23-6	SOT-23-6	SOT-23-6
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount
Operating Temperature	-40°C ~ 85°C (TA)	-40°C ~ 85°C (TA)	-40°C ~ 85°C (TA)	-40°C ~ 85°C (TA)	-40°C ~ 85°C (TA)
Packaging Format	Tape & Reel (TR)	Tape & Reel (TR)	Tape & Reel (TR)	Cut Tape (CT)	Tape & Reel (TR)
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
Product Status	Active	Active	Active	Active	Active
Inventory (Pcs)	2288	1112	781	13700	3800

Engineering Selection Recommendations

Direct Substitutes (Parametric Equivalents):

S-8261AAJMD-G2JT2G, S-8261AAJMD-G2JT2U, S-8240ACS-M6T1U, and S-8240ADZ-M6T1U are qualified substitutes for the S-8261ABAMD-G3AT2G. All parts are Active in product status, ROHS3 Compliant, and meet identical electrical and thermal specifications. Selection among these equivalents is determined by packaging format requirements:

Use S-8261AAJMD-G2JT2G for Cut Tape (CT) packaging applications
Use S-8261AAJMD-G2JT2U or S-8261ABAMD-G3AT2G for Tape & Reel (TR) packaging with S-8261 base product number
Use S-8240ACS-M6T1U or S-8240ADZ-M6T1U for Tape & Reel (TR) packaging with S-8240 base product number

Not Recommended:

AP9234LA-AO-HSB-7 is not a suitable substitute. Although it shares the same battery chemistry, cell count, and operating temperature range, it uses a 6-UDFN Exposed Pad package incompatible with SOT-23-6 footprints and carries an Obsolete product status.

Frequently Asked Questions (FAQ)

Q: Can S-8240ACS-M6T1U replace S-8261ABAMD-G3AT2G in my design?

A: Yes. Both parts are parametric equivalents with identical electrical specifications, fault protection capabilities, and thermal operating ranges. The primary difference is the base product number (S-8240 versus S-8261). Verify that your PCB layout and assembly process accommodate the SOT-23-6 package format used by both parts.

Q: What is the difference between Tape & Reel (TR) and Cut Tape (CT) packaging?

A: Tape & Reel packaging is supplied on continuous carrier tape suitable for automated pick-and-place assembly. Cut Tape packaging is supplied as individual segments cut from the carrier tape, typically for lower-volume or manual assembly applications. Both formats contain the same component in the same SOT-23-6 package.

Q: Why is AP9234LA-AO-HSB-7 listed as a similar part but not a substitute?

A: AP9234LA-AO-HSB-7 uses a 6-UDFN Exposed Pad package, which has a different footprint and pin configuration than the SOT-23-6 package required for S-8261ABAMD-G3AT2G. Additionally, this part has an Obsolete product status. Direct substitution would require PCB redesign.

Q: Are all substitute parts ROHS3 Compliant?

A: Yes. All parametric equivalent parts (S-8240ACS-M6T1U, S-8240ADZ-M6T1U, S-8261AAJMD-G2JT2G, S-8261AAJMD-G2JT2U) are ROHS3 Compliant with Moisture Sensitivity Level 1 (Unlimited), matching the compliance profile of the S-8261ABAMD-G3AT2G.

Q: Which substitute part has the highest inventory availability?

A: S-8261AAJMD-G2JT2G has the highest inventory with 13,700 units in stock. This part is available in Cut Tape (CT) packaging format.

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