AP7361C-25ER-13 Equivalent & Substitute Parts

Part Overview

The AP7361C-25ER-13 is a linear voltage regulator IC from Diodes Incorporated, classified as a Power Management (PMIC) component. This device delivers a fixed 2.5V output at 1A maximum current in a surface-mount SOT-223R package. The part is currently active in production with 10,400 units in stock. Alternative equivalent parts are necessary when tape & reel packaging is unavailable, when different moisture sensitivity levels are acceptable, or when alternative dropout voltage specifications meet application requirements.

Key Parameters

Parameter	Value
Manufacturer	Diodes Incorporated
Category	Power Management (PMIC)
Output Voltage (Fixed)	2.5V
Output Current	1A
Input Voltage (Max)	6V
Dropout Voltage (Max)	0.44V @ 1A (Typ)
Quiescent Current	80 µA
Operating Temperature Range	-40°C ~ 85°C
Package Type	SOT-223R
Mounting Type	Surface Mount
RoHS Status	ROHS3 Compliant
MSL Rating	1 (Unlimited)

Substitute Part Grouping Explanation

Equivalent substitutes for the AP7361C-25ER-13 are determined by matching the following critical parameters:

Output voltage: 2.5V fixed
Output current capability: 1A
Maximum input voltage: 6V
Operating temperature range: -40°C ~ 85°C
Output configuration: Positive, fixed
Protection features: Over Current, Over Temperature
RoHS3 compliance and REACH unaffected status

The substitute parts AP7361C-25E-13, AP2114H-2.5TRG1, and AP2114HA-2.5TRG1 meet these core electrical specifications. Differences exist in packaging format (cut tape vs. tape & reel), dropout voltage performance, PSRR characteristics, and moisture sensitivity level. These variations do not affect functional equivalence for applications where the specified electrical parameters are met.

Parameter Comparison

Parameter	AP7361C-25ER-13	AP7361C-25E-13	AP2114H-2.5TRG1	AP2114HA-2.5TRG1
Manufacturer	Diodes Incorporated	Diodes Incorporated	Diodes Incorporated	Diodes Incorporated
Output Voltage	2.5V	2.5V	2.5V	2.5V
Output Current	1A	1A	1A	1A
Input Voltage (Max)	6V	6V	6V	6V
Dropout Voltage (Max)	0.44V @ 1A (Typ)	0.44V @ 1A (Typ)	0.75V @ 1A	0.75V @ 1A
Quiescent Current	80 µA	80 µA	80 µA	80 µA
PSRR	75dB ~ 55dB (1kHz ~ 10kHz)	75dB ~ 55dB (1kHz ~ 10kHz)	65dB (100Hz ~ 1kHz)	65dB (100Hz ~ 1kHz)
Operating Temperature	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C
Package	SOT-223R	SOT-223-3	SOT-223-3	SOT-223-3
Packaging Format	Tape & Reel (TR)	Tape & Reel (TR)	Cut Tape (CT) & Digi-Reel®	Tape & Reel (TR)
MSL Rating	1 (Unlimited)	1 (Unlimited)	3 (168 Hours)	3 (168 Hours)
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Inventory (Pcs)	10,400	24,020	64,400	6,200

Engineering Selection Recommendations

All substitute parts listed are active products with ROHS3 compliance and REACH unaffected status, meeting regulatory requirements equivalent to the AP7361C-25ER-13.

AP7361C-25E-13 is the closest electrical equivalent, differing only in packaging format (tape & reel vs. cut tape configuration). This part maintains identical dropout voltage performance and PSRR characteristics while offering higher inventory availability (24,020 units).

AP2114H-2.5TRG1 and AP2114HA-2.5TRG1 are parametric equivalents with higher dropout voltage (0.75V vs. 0.44V) and lower PSRR performance (65dB vs. 75dB). These parts are suitable for applications where the specified dropout voltage and noise rejection are acceptable. AP2114H-2.5TRG1 is available in cut tape format with the highest inventory level (64,400 units). AP2114HA-2.5TRG1 is available in tape & reel format with lower inventory (6,200 units).

MSL rating differences exist between AP7361 series (MSL 1, unlimited moisture exposure) and AP2114 series (MSL 3, 168-hour limit). Selection depends on storage and handling conditions prior to assembly.

Frequently Asked Questions (FAQ)

Q: Can AP7361C-25E-13 be used as a direct replacement for AP7361C-25ER-13?

A: Yes. Both parts are from the Diodes Incorporated AP7361 series with identical electrical specifications, including 2.5V output, 1A current, 0.44V dropout voltage, and 75dB PSRR. The difference is packaging format (tape & reel vs. cut tape). Pinout and PCB footprint compatibility must be verified against your design documentation.

Q: What is the impact of higher dropout voltage in AP2114 series parts?

A: AP2114H-2.5TRG1 and AP2114HA-2.5TRG1 have 0.75V dropout voltage compared to 0.44V in AP7361 series. This means a higher minimum input voltage is required to maintain regulated output. For example, with 1A load, AP2114 requires minimum 3.25V input versus 2.94V for AP7361. Applications with tight input voltage margins should use AP7361 series.

Q: Are there PCB layout differences between SOT-223R and SOT-223-3 packages?

A: SOT-223R and SOT-223-3 are both surface-mount packages with identical pin configurations and footprints. They are mechanically and electrically interchangeable on the PCB. Verify your design uses the correct footprint designation.

Q: What does MSL 1 versus MSL 3 mean for component handling?

A: MSL 1 (Unlimited) allows unlimited time in ambient conditions before soldering. MSL 3 (168 Hours) requires components to be soldered within 168 hours of exposure to ambient humidity. AP7361 series parts have no moisture exposure time restriction, while AP2114 series parts require controlled storage and handling procedures.

Q: Which substitute offers the best availability?

A: AP2114H-2.5TRG1 has the highest inventory at 64,400 units. AP7361C-25E-13 offers 24,020 units with superior electrical performance. Selection depends on whether dropout voltage and PSRR specifications are critical to your application.

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