APX810-23SAG-7 Equivalent & Substitute Parts

Part Overview

The APX810-23SAG-7 is a single-channel power supply supervisor IC manufactured by Diodes Incorporated, designed for power-on reset and simple reset applications. This device monitors a single voltage threshold at 2.25V and provides push-pull, totem pole output with active high reset signaling. The part is currently classified as "Not For New Designs," making identification of equivalent and substitute components essential for ongoing production support and design continuity.

Substiute Parts

APX810-23SAG-7

Diodes IncorporatedIn Stock: 4144APX810-23SAG-7 Datasheet

Current PartRFQ

APX810S-23SA-7

Diodes IncorporatedIn Stock: 12309APX810S-23SA-7 Datasheet

DirectRFQ

APX810-23SAG-7

Diodes IncorporatedIn Stock: 4144APX810-23SAG-7 Datasheet

Parametric EquivalentRFQ

APX810-23SRG-7

Diodes IncorporatedIn Stock: 6173APX810-23SRG-7 Datasheet

Parametric EquivalentRFQ

TPS3809J25DBVR

Texas InstrumentsIn Stock: 30381TPS3809J25DBVR Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the APX810-23SAG-7 is determined by strict equivalence across the following critical parameters:

• Single voltage monitoring channel with 2.25V threshold
• Push-pull, totem pole output configuration
• Active high reset logic
• 140ms minimum reset timeout
• SOT-23-3 package compatibility
• Surface mount technology
• ROHS3 compliance and MSL 1 rating

Substitute parts are grouped into three categories based on their relationship to the main part:

Direct Manufacturer Substitute (APX810S-23SA-7): Identical electrical specifications with extended operating temperature range (-40°C ~ 125°C) and active product status. Functionally interchangeable with identical threshold, output, and reset characteristics.

Parametric Equivalents (APX810-23SRG-7, APX810-23SAG-7): Maintain all critical electrical parameters and package compatibility. APX810-23SRG-7 uses SOT23R supplier device package variant. Both carry "Not For New Designs" status matching the main part.

Manufacturer-Recommended Alternative (TPS3809J25DBVR): Texas Instruments equivalent offering identical electrical specifications with one critical difference: active low reset logic versus active high. This part is actively produced and represents the recommended cross-manufacturer substitute for new production planning.

Parameter Comparison

Engineering Selection Recommendations

For Direct Replacement (Same Design, Same Reset Logic): APX810S-23SA-7 is the primary substitute, offering identical electrical performance with extended temperature range (-40°C ~ 125°C) and active product status. This part maintains active high reset logic and is recommended for designs currently using APX810-23SAG-7 where supply continuity is required.

For New Production Planning: TPS3809J25DBVR from Texas Instruments is the manufacturer-recommended alternative. This part is actively produced with robust inventory availability (30300 pcs in stock). The critical design consideration is the reset logic polarity: TPS3809J25DBVR operates with active low reset versus the active high reset of the APX810-23SAG-7. Circuit redesign or signal inversion logic is required if adopting this part.

For Extended Temperature Applications: APX810S-23SA-7 supports operating temperatures to 125°C, compared to 85°C maximum for APX810-23SAG-7 and APX810-23SRG-7. This extended range is available only from the Diodes Incorporated APX810S series.

Compliance and Certification: All substitute parts maintain ROHS3 compliance, MSL 1 rating, and identical package footprints (SOT-23-3), ensuring PCB compatibility without layout modifications.

Frequently Asked Questions (FAQ)

Q: Can APX810S-23SA-7 be used as a direct drop-in replacement for APX810-23SAG-7?

A: Yes. APX810S-23SA-7 maintains identical electrical specifications including 2.25V threshold, push-pull totem pole output, active high reset logic, and 140ms reset timeout. The primary advantage is active product status and extended operating temperature range to 125°C. No circuit modifications are required.

Q: What is the key difference between APX810-23SAG-7 and TPS3809J25DBVR?

A: Both parts share identical voltage threshold (2.25V), output configuration (push-pull totem pole), and package (SOT-23-3). The critical difference is reset logic polarity: APX810-23SAG-7 uses active high reset, while TPS3809J25DBVR uses active low reset. Additionally, TPS3809J25DBVR has a 120ms minimum reset timeout versus 140ms for APX810-23SAG-7. Circuit redesign is required if switching between these parts.

Q: Are APX810-23SAG-7 and APX810-23SRG-7 interchangeable?

A: Yes, electrically and functionally. Both maintain identical specifications for voltage threshold, output configuration, reset logic, and reset timeout. The difference is the supplier device package designation: APX810-23SAG-7 uses SOT-23-3, while APX810-23SRG-7 uses SOT23R. Both are physically compatible with SOT-23-3 footprints.

Q: Why is APX810-23SAG-7 marked "Not For New Designs"?

A: This status indicates the part is in mature or end-of-life phase. For new production designs, APX810S-23SA-7 (active status, same manufacturer) or TPS3809J25DBVR (active status, alternative manufacturer) are recommended to ensure long-term supply availability.

Q: What packaging options are available for these supervisor ICs?

A: All substitute parts use identical package specifications: TO-236-3, SC-59, SOT-23-3 physical package with SOT-23-3 pin configuration. APX810-23SRG-7 uses SOT23R supplier designation but maintains the same physical footprint. Tape & Reel (TR) and Cut Tape (CT) packaging options are available depending on supplier and part number variant.

Q: Are there temperature range considerations when selecting a substitute?

A: Yes. APX810-23SAG-7, APX810-23SRG-7, and TPS3809J25DBVR all operate from -40°C to 85°C. APX810S-23SA-7 extends to 125°C maximum. For applications requiring operation above 85°C, APX810S-23SA-7 is the only option among these substitutes.