Get a Sample
Request engineering samples to evaluate fit, validate alternatives, and keep design decisions moving before a larger order is placed.
Request evaluation samplesON SemiconductorIntegrated Circuits (ICs)PMIC - Voltage Regulators - LinearON Semiconductor PMIC - Voltage Regulators - Linear
KA78R05CTU PMIC - Voltage Regulators - Linear by ON Semiconductor
KA78R05CTU is a PMIC - Voltage Regulators - Linear model from ON Semiconductor, presented on TrustCompo for buyers who need clear sourcing and review context before RFQ. This listing sits in the Integrated Circuits (ICs) / PMIC - Voltage Regulators - Linear product path. Known package information currently points to TO-220-4 under the ON Semiconductor brand listing. IC REG LINEAR 5V 1A TO220F-4L. TrustCompo combines the available model, brand, hierarchy, and specification details around KA78R05CTU so buyers can move faster from review to quotation.
RoHS
Datasheet
Pictures are for reference only. Please contact us for the latest pictures.
Traceability and authenticity checks
Fast RFQ turnaround
Documentation support
Pre-shipment inspection review
Key specifications
Series
-
Min Quantity
1
Category
Integrated Circuits (ICs)Sub Category
PMIC - Voltage Regulators - LinearDescription
IC REG LINEAR 5V 1A TO220F-4L
key Attributes
-
Datasheet
View KA78R05CTU DatasheetTechnical document
Open The Official Datasheet
Review the latest datasheet for KA78R05CTU from ON Semiconductor in a separate tab so engineers and buyers can check package, electrical characteristics, and application details without leaving this product page.
Why request a quote
Use the RFQ step to confirm the commercial and documentation details buyers usually need before placing an order.
RoHS, REACH, and lead-free documentation can be confirmed during RFQ
Traceability and Certificate of Conformance support available on request
Pre-shipment inspection report support for quality review
Trust signals
Globally recognized certifications
Visible certifications work best when they are paired with clear operational promises around traceability, handling, and inspection.
ISO 9001
Quality management processes for more consistent sourcing and handling.
AS9120B
Aerospace-focused distribution controls for traceability and reliability.
ISO 14001
Environmental management discipline across warehouse and operating workflows.
ESD Control
Electrostatic handling standards to help protect sensitive components.
Ordering workflow
Understand how to order and what policies support the purchase
Use this section to see the fastest ordering path and the policy pages buyers usually review before confirming a component order.
How to order this product
A simple B2B flow helps engineering and procurement teams move from part review to commercial confirmation.
1
Confirm part and quantity
Review the part number, package, key specs, and target quantity so the quote request reflects the exact sourcing scope your team needs.
2
Send RFQ or sample request
Use Quick Quote for commercial pricing or Request Sample when engineering validation is still in progress and a smaller evaluation quantity is needed.
3
Align delivery, payment, and documentation
Before final release, confirm stock timing, shipment method, payment arrangement, and any traceability or inspection documents required by your process.
Policies buyers usually check
These pages explain the operating rules around samples, shipping, payment, and quality support before you place the order.
Shipping & Delivery
Review shipping origin, carrier options, delivery methods, and the practical factors that affect transit timing for global component orders.
Review shipping detailsPayment Terms
Understand supported payment methods, invoice handling, quote currency, and the commercial boundaries used for international B2B orders.
Review payment termsQuality & Traceability Center
See how incoming inspection, outgoing verification, traceability support, certifications, and additional testing fit into our quality workflow.
Review quality controlsStructured product content
Review The Product The Way Buyers Actually Evaluate It
Review overview, detailed specifications, and related sourcing content in one structured flow without scanning separate oversized sections.
Product overview
Overview
The KA78RXXC is a low-dropout voltage regulator suitable for various electronic equipments.It provides constant voltage power source with TO-220-4 lead full mold package. Dropout voltage of KA78RXXC is below 0.5V in full rated current(1A). This regulator has various functions such as peak current protection, thermal shut down, overvoltage protection and output disable function.
Features
• 1A/3.3V, 5V, 8V, 9V, 12V, 15V output low dropout voltage regulator
• TO-220 full-mold package (4pin)
• Overcurrent protection, thermal shutdown
• Overvoltage protection, short circuit protection
• With output disable function
Fast scan
Popular Specs Surfaced First
Product Attribute
Mounting Type
Through Hole
Product Attribute
REACH Status
REACH Unaffected
Product Attribute
ECCN
EAR99
Product Attribute
Lead Free
Lead Free
Product Attribute
Packaging
Tube
Product Attribute
Published
2003
Mounting Type
Through Hole
REACH Status
REACH Unaffected
ECCN
EAR99
Lead Free
Lead Free
Packaging
Tube
Published
2003
Length
10mm
Categories
Integrated Circuits (ICs)
Qualification Status
Not Qualified
Manufacturer
ON Semiconductor
Subcategory
Other Regulators
Sub-Categories
PMIC - Voltage Regulators - Linear
Output Type
Fixed
Part Status
Last Time Buy
Packing Method
RAIL
Height
15.7mm
Number Of Functions
1
Pbfree Code
yes
Mount
Through Hole
Technology
BIPOLAR
Terminal Position
SINGLE
Max Output Current
1A
Number Of Outputs
1
Peak Reflow Temperature (Cel)
NOT SPECIFIED
Reflow Temperature-Max (S)
NOT SPECIFIED
Number Of Terminations
4
Width
4.5mm
Output Voltage
5V
Number Of Pins
4
Quiescent Current
10mA
Operating Temperature
-20°C~80°C
Min Input Voltage
6V
Power Rating
15W
Max Power Dissipation
15W
Lifecycle Status
LIFETIME (Last Updated: 1 week ago)
Power Dissipation
15W
Weight
2.829g
Package / Case
TO-220-4 Full Pack
Base Part Number
KA78R05
Manufacturer'S Part No.
KA78R05CTU
JESD-609 Code
e3
Moisture Sensitivity Level (MSL)
1 (Unlimited)
RoHS Status
ROHS3 Compliant
REACH SVHC
No SVHC
HTSUS
8542.39.0001
ECCN Code
EAR99
Terminal Finish
Tin (Sn)
Output Configuration
Positive
Control Features
Enable
Voltage - Input (Max)
35V
Number Of Regulators
1
Nominal Output Voltage
5V
Output Voltage 1
5V
Dropout Voltage1-Nom
0.5V
Dropout Voltage
500mV
Voltage Dropout (Max)
0.5V @ 1A
Protection Features
Over Current, Over Temperature, Over Voltage, Short Circuit
Common questions
Product FAQ
Quick answers for buyers reviewing KA78R05CTU, stock, documentation, and sourcing steps.
What is KA78R05CTU?
KA78R05CTU is a PMIC - Voltage Regulators - Linear component from ON Semiconductor. This product page summarizes the core sourcing details buyers need before checking price, availability, documentation, or samples.
What package and description are listed for KA78R05CTU?
KA78R05CTU is listed with package reference TO-220-4. The current product description is IC REG LINEAR 5V 1A TO220F-4L, and buyers should confirm package, footprint, and electrical details against the datasheet or quotation notes before approval.
Is KA78R05CTU available in stock?
This page currently shows 76372 units in stock and 50367 units available for KA78R05CTU. Because electronic component availability can change quickly, submit an RFQ to confirm live stock, lead time, and final pricing.
Can I request a quote or sample for KA78R05CTU?
Yes. Use the Quick Quote or Request Sample action on this page to send the quantity and sourcing requirements for KA78R05CTU by ON Semiconductor. The TrustCompo team can review price, availability, and documentation support.
Is a datasheet available for KA78R05CTU?
Yes. This page links to the datasheet for KA78R05CTU by ON Semiconductor, so engineers and buyers can review package, ratings, and application details before purchase.
How should buyers verify KA78R05CTU before ordering?
Buyers should confirm the manufacturer, package, quantity, target price, RoHS or compliance needs, and any Certificate of Conformance or traceability requirements for KA78R05CTU before approving the order.
PMIC - Voltage Regulators - Linear
Recommended Products
Explore more parts from the same subcategory to compare fit, stock, and sourcing options.
More sourcing insights
Articles
Explore related articles around KA78R05CTU, PMIC - Voltage Regulators - Linear, and adjacent sourcing decisions so buyers can compare context before moving from evaluation to RFQ.
Jul 17, 2026
FPGA Supply 2026: A Buyer's Framework for AMD Xilinx, Intel Altera, Microchip, and Lattice SourcingA production-BOM FPGA sourcing guide for 2026 covering lifecycle commitment, redesign cost, and qualification boundaries across AMD Xilinx, Intel Altera, Microchip PolarFire, and Lattice families.
FPGAAMD XilinxIntel Altera
Jul 11, 2026
2026 Q3 Wide-Bandgap Power Read: Where SiC Is Scaling, Where GaN Is Winning, and Why Silicon Still MattersA Q3 2026 read on SiC, GaN, and silicon power semiconductors: where wide-bandgap devices are winning now, where silicon still holds, and what engineers and sourcing teams should watch.
wide-bandgap semiconductorsSiCGaN
Jul 8, 2026
Texas Instruments Lead Time and Price Pressure in 2026: What Analog and Power Buyers Should Do NowA buyer-facing framework for Texas Instruments analog and power IC exposure in 2026, covering what is confirmed, where price and lead-time pressure is most likely to show up, and which actions sourcing teams should take first.
Texas Instrumentsanalog ICpower management IC