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AP9101CK6-CATRG1 Equivalent & Substitute Parts
Part Overview
The AP9101CK6-CATRG1 is a single-cell lithium ion/polymer battery protection IC manufactured by Diodes Incorporated in SOT-23-6 surface mount package. This PMIC provides over-current and over-voltage fault protection for single-cell battery applications. The part is currently in active product status with 915 units in stock.
Equivalent and substitute parts are necessary when the primary part number becomes unavailable, when alternative packaging formats are required for manufacturing processes, or when design revisions necessitate component sourcing from alternative inventory channels.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Manufacturer | Diodes Incorporated |
| 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 | SOT-23-6 |
| Supplier Device Package | SOT-26 |
| RoHS Status | ROHS3 Compliant |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
| REACH Status | REACH Unaffected |
Substitute Part Grouping Explanation
Substitution eligibility for the AP9101CK6-CATRG1 is determined by the following critical parameters:
- Manufacturer: Diodes Incorporated (all substitutes from same manufacturer)
- Base Product Number: AP9101 (all substitutes share the same base design)
- Function: Battery Protection for single-cell lithium ion/polymer applications
- Fault Protection: Over Current and Over Voltage protection capability
- Operating Temperature Range: -40°C ~ 85°C (TA)
- Mounting Type: Surface Mount
- Package / Case: SOT-23-6
- Supplier Device Package: SOT-26
Substitute parts differ in the following non-critical parameters:
- Packaging format (Tape & Reel vs. Cut Tape & Digi-Reel)
- Product status (Active, Obsolete, Not For New Designs)
- Moisture Sensitivity Level (MSL 1 vs. MSL 3)
- Inventory availability
All listed substitutes maintain identical electrical specifications and mechanical compatibility with the primary part.
Parameter Comparison
| Part Number | Manufacturer | Packaging | Product Status | Operating Temperature | Package / Case | RoHS Status | MSL | Inventory (Pcs) |
|---|---|---|---|---|---|---|---|---|
| AP9101CK6-CATRG1 | Diodes Incorporated | Tape & Reel (TR) | Active | -40°C ~ 85°C | SOT-23-6 | ROHS3 Compliant | 1 (Unlimited) | 915 |
| AP9101CAK6-ABTRG1 | Diodes Incorporated | Cut Tape (CT) & Digi-Reel® | Obsolete | -40°C ~ 85°C | SOT-23-6 | ROHS3 Compliant | 1 (Unlimited) | 4400 |
| AP9101CAK6-ANTRG1 | Diodes Incorporated | Cut Tape (CT) & Digi-Reel® | Obsolete | -40°C ~ 85°C | SOT-23-6 | ROHS3 Compliant | 1 (Unlimited) | 4300 |
| AP9101CAK6-ATTRG1 | Diodes Incorporated | Tape & Reel (TR) | Not For New Designs | -40°C ~ 85°C | SOT-23-6 | ROHS3 Compliant | 1 (Unlimited) | 9400 |
| AP9101CAK6-BVTRG1 | Diodes Incorporated | Tape & Reel (TR) | Obsolete | -40°C ~ 85°C | SOT-23-6 | ROHS3 Compliant | 1 (Unlimited) | 18700 |
| AP9101CK6-ADTRG1 | Diodes Incorporated | Tape & Reel (TR) | Obsolete | -40°C ~ 85°C | SOT-23-6 | ROHS3 Compliant | 3 (168 Hours) | 12460 |
| AP9101CK6-AETRG1 | Diodes Incorporated | Cut Tape (CT) & Digi-Reel® | Obsolete | -40°C ~ 85°C | SOT-23-6 | ROHS3 Compliant | 1 (Unlimited) | 1272 |
| AP9101CK6-ANTRG1 | Diodes Incorporated | Tape & Reel (TR) | Obsolete | -40°C ~ 85°C | SOT-23-6 | ROHS3 Compliant | 1 (Unlimited) | 22713 |
| AP9101CK6-AXTRG1 | Diodes Incorporated | Tape & Reel (TR) | Obsolete | -40°C ~ 85°C | SOT-23-6 | ROHS3 Compliant | 1 (Unlimited) | 59100 |
| AP9101CK6-AYTRG1 | Diodes Incorporated | Tape & Reel (TR) | Obsolete | -40°C ~ 85°C | SOT-23-6 | ROHS3 Compliant | 1 (Unlimited) | 11850 |
| AP9101CK6-BJTRG1 | Diodes Incorporated | Tape & Reel (TR) | Obsolete | -40°C ~ 85°C | SOT-23-6 | ROHS3 Compliant | 1 (Unlimited) | 1390 |
Engineering Selection Recommendations
For new designs, the AP9101CK6-CATRG1 remains the primary selection due to its active product status and ROHS3 compliance.
When the primary part is unavailable, substitute selection depends on manufacturing requirements:
For tape and reel packaging applications, AP9101CK6-AXTRG1 offers the highest inventory availability (59,100 units) with identical electrical and mechanical specifications. AP9101CK6-ANTRG1 provides an alternative with 22,713 units in stock.
For cut tape and Digi-Reel packaging, AP9101CAK6-ABTRG1 is available with 4,400 units. This part is suitable for manual assembly or lower-volume production runs.
AP9101CK6-ADTRG1 carries MSL 3 (168 Hours) moisture sensitivity versus MSL 1 (Unlimited) for other variants. This difference requires consideration for storage and handling procedures in humid environments.
AP9101CAK6-ATTRG1 carries a "Not For New Designs" status but remains electrically and mechanically compatible with 9,400 units available.
All substitute parts maintain ROHS3 compliance and REACH unaffected status, ensuring regulatory compliance across applications.
Frequently Asked Questions (FAQ)
Q: Are all listed substitute parts electrically identical to the AP9101CK6-CATRG1?
A: Yes. All substitute parts share the same base product number (AP9101), function (single-cell lithium ion/polymer battery protection), fault protection capabilities (over-current and over-voltage), and operating temperature range (-40°C ~ 85°C). Electrical performance is identical across all variants.
Q: What is the difference between Tape & Reel and Cut Tape & Digi-Reel packaging?
A: Tape & Reel (TR) packaging is used for automated pick-and-place assembly equipment. Cut Tape & Digi-Reel packaging is suitable for manual assembly, lower-volume production, or component kitting. Both formats contain the same component in SOT-23-6 package.
Q: Does MSL 3 (168 Hours) versus MSL 1 (Unlimited) affect component performance?
A: MSL rating indicates moisture sensitivity during storage and handling. MSL 1 (Unlimited) allows indefinite storage without baking. MSL 3 (168 Hours) requires baking before reflow if the component has been exposed to humidity for more than 168 hours. This affects manufacturing logistics but not electrical performance.
Q: Can I use an obsolete part number in a new design?
A: Obsolete parts are no longer manufactured. While electrically compatible, using obsolete part numbers in new designs creates long-term supply chain risk. The active part AP9101CK6-CATRG1 is recommended for new designs.
Q: Are all substitute parts ROHS3 compliant?
A: Yes. All listed substitute parts are ROHS3 compliant and REACH unaffected, meeting environmental and regulatory requirements.
Q: Which substitute part should I select if the primary part is unavailable?
A: Selection depends on your packaging requirement and inventory needs. For Tape & Reel format, AP9101CK6-AXTRG1 offers maximum availability. For Cut Tape & Digi-Reel format, AP9101CAK6-ABTRG1 is available. All variants are electrically and mechanically interchangeable.
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