KA78R09CTU

Description：IC REG LINEAR 9V 1A TO220F-4L
Series：-
Mfr：onsemi
Package：Tube

SKU:7b916acb0007 Category: Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Brand: onsemi

Consult the customer manager about the wholesale price.

consultation hotline：86-132-6715-2157

email：[email protected]
Contact the product manager for consultation. One-stop consultation is available.

Do you want a lower wholesale price? Please send us your inquiry and we will reply immediately.

Product introduction

KA78R09CTU is listed in the Voltage Regulators - Linear, Low Drop Out (LDO) Regulators range at ChipApex. The manufacturer field lists onsemi. Its product description is IC REG LINEAR 9V 1A TO220F-4L. Review the specifications below when checking this part for your BOM.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators specifications for KA78R09CTU

Description：IC REG LINEAR 9V 1A TO220F-4L
Series：-
Mfr：onsemi
Package：Tube
Output Configuration：Positive
Output Type：Fixed
Number of Regulators：1
Voltage - Input (Max)：35V
Voltage - Output (Min/Fixed)：9V
Voltage - Output (Max)：-
Voltage Dropout (Max)：0.5V @ 1A
Current - Output：1A
Current - Quiescent (Iq)：10 mA
Current - Supply (Max)：-
PSRR：-
Control Features：Enable
Protection Features：Over Current, Over Temperature, Over Voltage, Short Circuit
Operating Temperature：-20°C ~ 80°C
Mounting Type：Through Hole
Package / Case：TO-220-4 Full Pack
Supplier Device Package：TO-220F-4L
Grade：-
Qualification：-

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators datasheet and documents for KA78R09CTU

KA78R09CTU

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Overview

The KA78R09CTU is a low-dropout linear voltage regulator manufactured by onsemi, designed for through-hole mounting in TO-220-4 packages. It provides a fixed positive output of 9 V with a maximum continuous current capability of 1 A. The device supports an input voltage range from 10 V to 35 V and operates within a temperature range of -20°C to +80°C. Key electrical specifications include a maximum dropout voltage of 500 mV, line regulation of 2.5%, and load regulation of 2%. Quiescent current is specified at 10 mA, with a power dissipation rating of 15 W.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Feature Summary

Fixed 9 V output voltage regulation
Low dropout performance with 500 mV maximum drop
High current capacity up to 1 A
Through-hole TO-220-4 package construction

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Applications

General purpose DC power supply circuits
Embedded system voltage regulation
Industrial control equipment power management
Consumer electronics power conditioning

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Procurement Notes

Verify component authenticity due to end-of-life status. Confirm package integrity and pin alignment for TO-220-4 mounting. Check datasheet revisions for updated thermal characteristics. Validate supplier documentation against official onsemi records. Ensure storage conditions maintain component reliability prior to assembly.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Selection Notes

Select this regulator when a fixed 9 V output is required with moderate current demands. Consider the TO-220-4 package for efficient heat dissipation in high-power applications. Evaluate input voltage headroom against the minimum 10 V requirement. Compare thermal resistance values against expected ambient temperatures. Assess compatibility with existing PCB layouts for through-hole installation.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Part Context

This component belongs to the KA78R series of low-dropout regulators from onsemi. It offers improved efficiency compared to standard linear regulators by minimizing voltage drop across the device. The series targets applications requiring stable voltage regulation with reduced power loss. Integration into power management systems ensures consistent performance under varying load conditions.