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AP7361C-18DR-13 Equivalent & Substitute Parts
Part Overview
The AP7361C-18DR-13 is a linear voltage regulator IC from Diodes Incorporated, classified as a Power Management (PMIC) component. It delivers a fixed 1.8V output at 1A maximum current in a TO-252-3 surface mount package. The device is actively produced and maintains full RoHS3 compliance. Substitute parts are identified when component availability is limited or supply chain requirements necessitate alternative sourcing while maintaining identical electrical and mechanical specifications.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Manufacturer | Diodes Incorporated |
| Output Voltage (Fixed) | 1.8V |
| Output Current | 1A |
| Input Voltage (Max) | 6V |
| Voltage Dropout (Max) | 0.57V @ 1A (Typ) |
| Quiescent Current | 80 µA |
| PSRR | 75dB ~ 55dB (1kHz ~ 10kHz) |
| Operating Temperature Range | -40°C ~ 85°C |
| Package Type | TO-252-3, DPAK (2 Leads + Tab), SC-63 |
| Mounting Type | Surface Mount |
| Protection Features | Over Current, Over Temperature |
| RoHS Status | ROHS3 Compliant |
| MSL Rating | 1 (Unlimited) |
Substitute Part Grouping Explanation
Substitute parts for the AP7361C-18DR-13 are identified based on strict parametric equivalence. The following criteria determine substitutability:
- Fixed output voltage of 1.8V
- Output current rating of 1A
- Maximum input voltage of 6V
- Voltage dropout specification of 0.57V @ 1A (Typ)
- Quiescent current of 80 µA
- PSRR performance of 75dB ~ 55dB (1kHz ~ 10kHz)
- Operating temperature range of -40°C ~ 85°C
- TO-252-3 package configuration
- Surface mount mounting type
- Over Current and Over Temperature protection
- Active product status
- RoHS3 compliance
The AP7361C-18D-13 meets all these criteria and is classified as a parametric equivalent.
Parameter Comparison
| Parameter | AP7361C-18DR-13 (Main) | AP7361C-18D-13 (Substitute) |
|---|---|---|
| Manufacturer | Diodes Incorporated | Diodes Incorporated |
| Output Voltage (Fixed) | 1.8V | 1.8V |
| Output Current | 1A | 1A |
| Input Voltage (Max) | 6V | 6V |
| Voltage Dropout (Max) | 0.57V @ 1A (Typ) | 0.57V @ 1A (Typ) |
| Quiescent Current | 80 µA | 80 µA |
| PSRR | 75dB ~ 55dB (1kHz ~ 10kHz) | 75dB ~ 55dB (1kHz ~ 10kHz) |
| Operating Temperature Range | -40°C ~ 85°C | -40°C ~ 85°C |
| Package Type | TO-252-3, DPAK (2 Leads + Tab), SC-63 | TO-252-3, DPAK (2 Leads + Tab), SC-63 |
| Mounting Type | Surface Mount | Surface Mount |
| Protection Features | Over Current, Over Temperature | Over Current, Over Temperature |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant |
| MSL Rating | 1 (Unlimited) | 1 (Unlimited) |
| Product Status | Active | Active |
Engineering Selection Recommendations
Both the AP7361C-18DR-13 and AP7361C-18D-13 are active products from Diodes Incorporated with identical electrical and mechanical specifications. Selection between these parts is determined by packaging format and supply availability. The AP7361C-18DR-13 is supplied in Tape & Reel (TR) format, while the AP7361C-18D-13 is also supplied in Tape & Reel format. Both maintain ROHS3 compliance and REACH unaffected status, making either suitable for applications requiring regulatory compliance. The MSL rating of 1 (Unlimited) indicates no moisture sensitivity restrictions for either part.
Frequently Asked Questions (FAQ)
Q: Can AP7361C-18D-13 be used as a direct replacement for AP7361C-18DR-13?
A: Yes. Both parts are parametric equivalents with identical electrical specifications, output voltage, current rating, package type, and protection features. The difference lies in packaging format designation, not functional performance.
Q: Are there any differences in thermal or electrical performance between these parts?
A: No. Both parts share identical voltage dropout, quiescent current, PSRR, and operating temperature specifications.
Q: Do both parts meet the same compliance standards?
A: Yes. Both parts are ROHS3 compliant, REACH unaffected, and carry the same MSL rating of 1 (Unlimited).
Q: What is the significance of the packaging designation difference (DR vs D)?
A: The designation reflects the supplier device package format. Both use TO-252-3 package configuration suitable for surface mount assembly. Consult the specific datasheet for detailed tape and reel specifications if required for automated assembly processes.
Q: Can these parts be used interchangeably in PCB designs?
A: Yes. Both parts use identical TO-252-3 package geometry and pin configuration, allowing direct PCB footprint compatibility.
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