AP7387-33YR-13 Equivalent & Substitute Parts

Part Overview

The AP7387-33YR-13 is a Linear Voltage Regulator IC manufactured by Diodes Incorporated, classified as a Power Management (PMIC) component. This device delivers a positive fixed 3.3V output at 150mA in a surface-mount SOT-89R-3 package. The part is Active in product status with full RoHS3 and REACH compliance. Substitute parts are identified when electrical specifications, output configuration, and mechanical packaging remain equivalent across the product line.

Substiute Parts

AP7387-33YR-13
Diodes IncorporatedIn Stock: 1234AP7387-33YR-13 Datasheet
AP7387-33YR-13
Current Part
AP7387-33Y-13
Diodes IncorporatedIn Stock: 4564AP7387-33Y-13 Datasheet
AP7387-33Y-13
Parametric Equivalent

Key Parameters

Parameter Value
Manufacturer Diodes Incorporated
Category Power Management (PMIC)
Output Voltage (Fixed) 3.3V
Output Current 150mA
Input Voltage (Max) 60V
Dropout Voltage (Max) 1.35V @ 150mA
Quiescent Current 4 µA
PSRR 70dB (1kHz)
Operating Temperature Range -40°C ~ 125°C (TJ)
Package / Case TO-243AA
Mounting Type Surface Mount
Protection Features Over Current, Over Temperature, Short Circuit
RoHS Status ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution of the AP7387-33YR-13 is determined by equivalence in the following critical parameters:

  • Output voltage configuration (Positive, Fixed, 3.3V)
  • Output current rating (150mA)
  • Input voltage maximum rating (60V)
  • Dropout voltage specification (1.35V @ 150mA)
  • Quiescent current (4 µA)
  • PSRR performance (70dB at 1kHz)
  • Operating temperature range (-40°C ~ 125°C)
  • Protection features (Over Current, Over Temperature, Short Circuit)
  • Regulatory compliance (RoHS3, REACH Unaffected)
  • Mounting type and mechanical compatibility (Surface Mount, TO-243AA package family)

The AP7387-33Y-13 meets all these criteria and is classified as a parametric equivalent. The primary distinction between the main part and its substitute lies in the supplier device package designation (SOT-89R-3 versus SOT-89-3), which reflects packaging format differences within the same TO-243AA case family.

Parameter Comparison

Parameter AP7387-33YR-13 AP7387-33Y-13
Manufacturer Diodes Incorporated Diodes Incorporated
Category Power Management (PMIC) Power Management (PMIC)
Output Voltage (Fixed) 3.3V 3.3V
Output Current 150mA 150mA
Input Voltage (Max) 60V 60V
Dropout Voltage (Max) 1.35V @ 150mA 1.35V @ 150mA
Quiescent Current 4 µA 4 µA
PSRR 70dB (1kHz) 70dB (1kHz)
Operating Temperature Range -40°C ~ 125°C (TJ) -40°C ~ 125°C (TJ)
Package / Case TO-243AA TO-243AA
Mounting Type Surface Mount Surface Mount
Protection Features Over Current, Over Temperature, Short Circuit Over Current, Over Temperature, Short Circuit
RoHS Status ROHS3 Compliant ROHS3 Compliant
Product Status Active Active

Engineering Selection Recommendations

Both the AP7387-33YR-13 and AP7387-33Y-13 are Active products with identical electrical specifications and regulatory compliance. Selection between these parts should be based on packaging availability and supply chain requirements. The AP7387-33Y-13 offers higher inventory availability (4512 Pcs) compared to the AP7387-33YR-13 (1124 Pcs), making it suitable for high-volume production scenarios. Both parts maintain ROHS3 compliance and REACH Unaffected status, ensuring regulatory alignment for end-use applications.

Frequently Asked Questions (FAQ)

Q: Can AP7387-33Y-13 be used as a direct replacement for AP7387-33YR-13?

A: Yes. Both parts are electrically equivalent with identical output voltage, current rating, dropout voltage, quiescent current, and protection features. Both are housed in the TO-243AA package family for surface-mount applications.

Q: What is the difference between SOT-89R-3 and SOT-89-3 package designations?

A: Both designations refer to variants within the TO-243AA case family. The difference reflects supplier packaging format (tape & reel configuration). Electrical performance and mechanical compatibility remain equivalent.

Q: Are there any compliance differences between these parts?

A: No. Both parts are ROHS3 Compliant and REACH Unaffected, meeting identical regulatory requirements.

Q: Which part should be selected for new designs?

A: Selection should be based on supply availability and procurement lead times. The AP7387-33Y-13 currently has higher inventory levels. Both parts are Active and suitable for new designs.

Q: Do these parts have identical thermal performance?

A: Yes. Both parts operate across the same temperature range (-40°C ~ 125°C junction temperature) and include identical over-temperature protection features.

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