RP130K331D-TR-Y Equivalent & Substitute Parts

Part Overview

The RP130K331D-TR-Y is a linear voltage regulator IC manufactured by Nisshinbo Micro Devices Inc., classified as a Power Management (PMIC) component. This device delivers a fixed positive 3.3V output at 150mA with integrated enable control and over-current protection. The part is actively produced and widely used in embedded systems, IoT devices, and portable electronics requiring stable low-voltage power distribution.

Substitute parts are identified when design requirements necessitate alternative sourcing due to inventory constraints, supply chain disruptions, or procurement preferences while maintaining identical electrical and mechanical specifications.

Substiute Parts

RP130K331D-TR-Y

Nisshinbo Micro Devices Inc.In Stock: 1216RP130K331D-TR-Y Datasheet

Current PartRFQ

RP130K331B-TR-Y

Nisshinbo Micro Devices Inc.In Stock: 11325RP130K331B-TR-Y Datasheet

Parametric EquivalentRFQ

RP130K331D-TR

Nisshinbo Micro Devices Inc.In Stock: 45392RP130K331D-TR Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the RP130K331D-TR-Y are identified based on strict parametric equivalence across all critical electrical and mechanical specifications. The substitution logic is based on the following key parameters:

• Output Voltage and Current: Fixed 3.3V output at 150mA maximum
• Input Voltage Range: Maximum 6.5V input capability
• Dropout Voltage: 0.51V @ 150mA
• Package Configuration: 4-UDFN Exposed Pad (DFN(PL)1010-4) surface mount
• Control and Protection: Enable control with over-current protection
• Operating Temperature: -40°C to 105°C range
• Series Classification: RP130x series regulators

All identified substitutes maintain identical electrical performance characteristics and physical package dimensions, ensuring direct replacement capability in existing PCB layouts and circuit designs.

Parameter Comparison

Engineering Selection Recommendations

All three parts—RP130K331D-TR-Y, RP130K331B-TR-Y, and RP130K331D-TR—are active products from Nisshinbo Micro Devices Inc. with identical electrical and mechanical specifications. Selection between these parts is based on the following factors:

Compliance Status: RP130K331B-TR-Y and RP130K331D-TR both carry ROHS3 Compliant certification with REACH Unaffected status, providing enhanced regulatory documentation. RP130K331D-TR-Y carries standard RoHS Compliant status.

Packaging Designation: RP130K331D-TR-Y and RP130K331D-TR differ only in packaging suffix designation (TR-Y versus TR), indicating potential variations in tape and reel configuration or supplier-specific packaging standards. RP130K331B-TR-Y represents an alternative variant within the same series.

Inventory Availability: RP130K331D-TR maintains the highest inventory level at 45,300 pieces, followed by RP130K331B-TR-Y at 11,293 pieces, and RP130K331D-TR-Y at 1,137 pieces.

All three parts are suitable for direct substitution in applications requiring a 3.3V, 150mA linear voltage regulator with enable control and over-current protection in a 4-UDFN package.

Frequently Asked Questions (FAQ)

Q: Can RP130K331B-TR-Y be used as a direct replacement for RP130K331D-TR-Y?

A: Yes. Both parts share identical electrical specifications including output voltage (3.3V), output current (150mA), dropout voltage (0.51V @ 150mA), and package configuration (4-UDFN Exposed Pad). The parts are functionally interchangeable in circuit applications.

Q: What is the difference between RP130K331D-TR-Y and RP130K331D-TR?

A: The primary difference is the packaging suffix designation. RP130K331D-TR-Y includes the "-Y" suffix, which may indicate supplier-specific tape and reel configuration or packaging standards. Electrical and mechanical specifications are identical. Both are suitable for surface mount assembly.

Q: Are all three parts RoHS compliant?

A: Yes. RP130K331D-TR-Y carries RoHS Compliant certification. RP130K331B-TR-Y and RP130K331D-TR carry ROHS3 Compliant certification with REACH Unaffected status, providing additional regulatory compliance documentation.

Q: What is the operating temperature range for these regulators?

A: All three parts operate across -40°C to 105°C (TA), suitable for industrial and commercial temperature environments.

Q: Can these parts be used in applications requiring low quiescent current?

A: Yes. All three parts feature a quiescent current of 58 µA, making them suitable for battery-powered and low-power standby applications.

Q: What protection features are included in these regulators?

A: All three parts include over-current protection and enable control functionality for circuit management and fault protection.

Q: Are these parts suitable for high-frequency noise-sensitive applications?

A: Yes. All three parts provide 80dB PSRR (Power Supply Rejection Ratio) at 1kHz, offering effective noise rejection for sensitive analog and RF circuits.

Q: What is the maximum input voltage for these regulators?

A: The maximum input voltage is 6.5V for all three parts, with a dropout voltage of 0.51V @ 150mA.