LM123K

Part No :: LM123K

Manufacturer: STMicroelectronics

VIGOR # :: 4874375

Description: IC REG LINEAR 5V 3A TO3

Catalog: PMIC - Voltage Regulators - Linear

DataSheet: LM123K PDF

Country of origin: -

Date code: -

LM123K Specifications

Type	Description
Series:	-
Package:	Bulk
Part Status:	Obsolete
Output Configuration:	Positive
Output Type:	Fixed
Number of Regulators:	1
Voltage - Input (Max):	20V
Voltage - Output (Min/Fixed):	5V
Voltage - Output (Max):	-
Voltage Dropout (Max):	-
Current - Output:	3A
Current - Quiescent (Iq):	-
Current - Supply (Max):	-
PSRR:	-
Control Features:	-
Protection Features:	Over Current, Over Temperature
Operating Temperature:	-55°C ~ 150°C
Mounting Type:	Through Hole
Package / Case:	TO-204AA, TO-3
Supplier Device Package:	TO-3

Alternative Products

Part Number	Manufacturer & Description	Compare
LM138K Match 63%	STMicroelectronics IC REG LINEAR POS ADJ 5A TO3	LM123K vs LM138K
LM137K Match 50%	STMicroelectronics IC REG LINEAR NEG ADJ 1.5A TO3	LM123K vs LM137K
LM150K Match 100%	STMicroelectronics IC REG LINEAR POS ADJ 3A TO3	LM123K vs LM150K

Please confirm the specifications of the products when ordering.
MOQ means the minimum order quantity required to purchase each parts.
If you have special order instructions,please note it on the ordering pages.
The Pre-Shipment Inspection (PSI) will be applied.
You can email us to change the order details before shipment.
Orders cannot be canceled after shipping the packages.

TT in advance (bank transfer), Credit Card, PayPal can be chosen.
Cash transfer only. (Transfer with checks and bills are not accepted.)
Customer is responsible for paying all possible charges,including sales tax, VAT and customs charges,etc.
If you need the detailed invoice or tax ID,please email us.

FedEx, DHL, and UPS can be selected.
You can select whether to charge shipping fee by your shipping account or to charge by our side.
Please confirm with the logistics company in advance if you are in a remote area. (It may cost extra fees (35-50 USD) for delivery at those areas.)
The shopping cart will automatically calculate the shipping cost.
Delivery time: At the same day (Order deadline is 2pm, HK Time).
Delivery date: usually 2 to 7 working days.
It is unable to appoint a date of delivery.
Tracking number will be sent once your order has been shipped. (It may take up to 24 hours before carriers display the info.)

In Stock: 2000

Shipped from

HK warehouse

Expected Shipping Date

Jul 26 - Jul 30 2026

Pricing(USD)

Quantity	Unit Price	Ext. Price

Current price of LM123K is for reference only, if you want to get best price, please submit a inquiry or direct email to our sales team sales@Vigorcomp.com

Hot Products

STLQ015XG31R

IC REG LINEAR 3.1V 150MA SOT666

MCP1812BT-030/TT

IC REG LINEAR 3V 300MA SOT23-3

AZ2940S-5.0TRG1

IC REG LINEAR 5V 1A TO263

LM123K

LM123K

4874375

Pricing(USD)