SP6260EEK-L/TR Linear Voltage Regulator Equivalent & Substitute Parts

Part Overview

The SP6260EEK-L/TR is a linear voltage regulator IC from Diodes Incorporated, designed to deliver a fixed 3V output at 200mA in a compact SOT-23-5 surface mount package. This device features integrated enable control and over-current protection, operating across the industrial temperature range of -40°C to 85°C. The part is currently classified as obsolete, making identification of functionally equivalent alternatives essential for ongoing design support and production continuity.

Key Parameters

Parameter	Value
Output Voltage (Fixed)	3V
Output Current	200mA
Input Voltage (Max)	6V
Voltage Dropout (Max)	0.5V @ 200mA
Quiescent Current	50 µA
PSRR	70dB (10kHz)
Control Features	Enable
Protection Features	Over Current
Operating Temperature	-40°C ~ 85°C
Package	SOT-23-5 (SC-74A)
Mounting Type	Surface Mount
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitute parts for the SP6260EEK-L/TR are qualified based on the following critical parameters:

Fixed output voltage of 3V
Output current capability of 200mA minimum
Maximum input voltage of 6V
Positive output configuration with single regulator
Enable control and over-current protection features
Surface mount SOT-23-5 package compatibility
Operating temperature range of -40°C to 85°C
ROHS3 compliance

Parts are grouped into two categories: direct parametric equivalents with identical electrical specifications, and functional alternatives with minor performance variations that remain within acceptable operating margins for this application class.

Parameter Comparison

Part Number	Manufacturer	Status	Vout (Fixed)	Iout	Vin (Max)	Dropout (Max)	Iq	PSRR	Package	Inventory
SP6260EEK-L/TR	Diodes Incorporated	Obsolete	3V	200mA	6V	0.5V @ 200mA	50 µA	70dB (10kHz)	SOT-23-5	35400 Pcs
AP2121AK-3.0TRE1	Diodes Incorporated	Active	3V	200mA	6V	0.5V @ 200mA	50 µA	70dB (1kHz)	SOT-23-5	18300 Pcs
AP2121AK-3.0TRG1	Diodes Incorporated	Active	3V	200mA	6V	0.5V @ 200mA	50 µA	70dB (1kHz)	SOT-23-5	16829 Pcs
R1160N301A-TR-FE	Nisshinbo Micro Devices Inc.	Active	3V	200mA	6V	0.25V @ 200mA	70 µA	70dB (1kHz)	SOT-23-5	757 Pcs
R1160N301B-TR-FE	Nisshinbo Micro Devices Inc.	Active	3V	200mA	6V	0.2V @ 200mA	70 µA	70dB (1kHz)	SOT-23-5	882 Pcs
TCR2EF30,LM(CT	Toshiba Semiconductor and Storage	Active	3V	200mA	5.5V	0.2V @ 150mA	60 µA	73dB (1kHz)	SOT-23-5	300100 Pcs
XC6215B302MR-G	Torex Semiconductor Ltd	Active	3V	200mA	6V	0.42V @ 200mA	1.5 µA	Not specified	SOT-23-5	2220 Pcs
XC6217A302MR-G	Torex Semiconductor Ltd	Active	3V	200mA	6V	0.14V @ 100mA	8 µA	70dB (1kHz)	SOT-23-5	1051 Pcs

Engineering Selection Recommendations

Primary Substitutes (Active Status, Diodes Incorporated)

The AP2121AK-3.0TRE1 and AP2121AK-3.0TRG1 represent the most direct substitutes, manufactured by the same supplier as the original part. Both devices maintain identical electrical specifications for output voltage, current, input voltage, and dropout characteristics. These parts carry active product status and ROHS3 compliance, ensuring long-term availability and supply chain stability. The primary distinction between these variants is packaging format (Tape & Reel).

Secondary Substitutes (Active Status, Alternative Manufacturers)

The R1160N301A-TR-FE and R1160N301B-TR-FE from Nisshinbo Micro Devices Inc. provide functional equivalence with improved dropout voltage performance (0.25V and 0.2V respectively versus 0.5V). These devices maintain all critical parameters including 3V output, 200mA current capability, and SOT-23-5 packaging. Active product status and RoHS compliance support production continuity.

The TCR2EF30,LM(CT from Toshiba Semiconductor and Storage delivers superior PSRR performance (73dB versus 70dB) and lower dropout voltage (0.2V @ 150mA). Input voltage maximum is specified at 5.5V rather than 6V, requiring verification against specific application requirements. Extensive inventory availability (300100 Pcs) supports high-volume applications.

Tertiary Substitutes (Active Status, Enhanced Performance)

The XC6217A302MR-G from Torex Semiconductor Ltd offers exceptional dropout voltage performance (0.14V @ 100mA) and minimal quiescent current (8 µA), beneficial for battery-powered or low-power applications. All critical electrical parameters align with the original specification. ROHS3 compliance and active status are confirmed.

The XC6215B302MR-G from Torex provides an alternative with ultra-low quiescent current (1.5 µA), suitable for standby power applications. Dropout voltage of 0.42V @ 200mA remains within acceptable margins.

Frequently Asked Questions (FAQ)

Q: Can I directly replace SP6260EEK-L/TR with AP2121AK-3.0TRE1 or AP2121AK-3.0TRG1?

A: Yes. Both AP2121 variants maintain identical electrical specifications for output voltage (3V), output current (200mA), input voltage (6V max), and dropout voltage (0.5V @ 200mA). Package compatibility is confirmed as SOT-23-5. The primary difference is packaging format; verify your assembly equipment supports the selected variant.

Q: What is the difference between R1160N301A-TR-FE and R1160N301B-TR-FE?

A: Both devices are functionally equivalent for the SP6260EEK-L/TR application. The R1160N301B-TR-FE provides superior dropout voltage performance (0.2V versus 0.25V @ 200mA). Selection depends on application requirements for power efficiency and thermal management.

Q: Why does TCR2EF30,LM(CT specify 5.5V maximum input versus 6V for other substitutes?

A: The TCR2EF30,LM(CT is qualified for 5.5V maximum input voltage. Applications requiring operation at 6V input must verify compatibility with this specification. For designs operating below 5.5V, this device provides superior PSRR (73dB) and dropout voltage (0.2V @ 150mA) performance.

Q: Which substitute offers the lowest quiescent current?

A: The XC6215B302MR-G delivers the lowest quiescent current at 1.5 µA, followed by XC6217A302MR-G at 8 µA. These devices are preferred for battery-powered or ultra-low-power standby applications where minimizing supply current is critical.

Q: Are all substitutes ROHS3 compliant?

A: AP2121AK-3.0TRE1, AP2121AK-3.0TRG1, TCR2EF30,LM(CT, XC6215B302MR-G, and XC6217A302MR-G are ROHS3 compliant. R1160N301A-TR-FE and R1160N301B-TR-FE are RoHS compliant. Verify compliance requirements for your specific application and regulatory jurisdiction.

Q: Can I use XC6217A302MR-G in a design originally specified for SP6260EEK-L/TR?

A: Yes, with verification. The XC6217A302MR-G maintains 3V output, 200mA current capability, and SOT-23-5 packaging. Superior dropout voltage (0.14V @ 100mA) and low quiescent current (8 µA) provide performance benefits. Confirm PSRR requirements; XC6217A302MR-G specifies 70dB (1kHz) versus SP6260EEK-L/TR at 70dB (10kHz).

Q: What inventory considerations should guide substitute selection?

A: TCR2EF30,LM(CT offers the highest inventory availability (300100 Pcs), supporting high-volume production. AP2121 variants provide moderate availability (16829-18300 Pcs). R1160 and XC6217 devices have limited inventory (757-1051 Pcs), requiring longer lead time planning for volume applications.

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