Name: LM138K
Brand: STMicroelectronics
SKU: LM138K
Availability: InStock
Rating: 5 (72 reviews)

LM138K

For Reference Only

Part Number	LM138K
Manufacturer	STMicroelectronics
Description	IC REG LINEAR POS ADJ 5A TO3
Datasheet	LM138K Datasheet LM138K Specifications
Package	TO-204AA, TO-3
ECAD
In Stock	4,000 piece(s)
Unit Price	Request a Quote
Lead Time	Can Ship Immediately
Estimated Delivery Time	Apr 29 - May 4 (Choose Expedited Shipping)
Request for Quotation

Payment Methods
Delivery Services

Part Number # LM138K (PMIC - Voltage Regulators - Linear) is manufactured by STMicroelectronics and distributed by Heisener. Being one of the leading electronics distributors, we carry many kinds of electronic components from some of the world’s top class manufacturers. Their quality is guaranteed by its stringent quality control to meet all required standards.

For LM138K specifications/configurations, quotation, lead time, payment terms of further enquiries please have no hesitation to contact us. To process your RFQ, please add LM138K with quantity into BOM. Heisener.com does NOT require any registration to request a quote of LM138K.

LM138K Specifications

Manufacturer	STMicroelectronics
Category	Integrated Circuits (ICs) - PMIC - Voltage Regulators - Linear
Package	TO-204AA, TO-3
ECAD
Series	-
Output Configuration	Positive
Output Type	Adjustable
Number of Regulators	1
Voltage - Input (Max)	35V
Voltage - Output (Min/Fixed)	1.2V
Voltage - Output (Max)	32V
Voltage Dropout (Max)	-
Current - Output	5A
Current - Quiescent (Iq)	-
Current - Supply (Max)	-
PSRR	75dB ~ 60dB (120Hz)
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

LM138K Datasheet

LM138K Reviews

Kash*****eron

March 30, 2023

★ ★ ★ ★ ★

Heisener.com is a good company. Pleasant transaction, communicative , thank you

Fra*****Oza

March 23, 2023

★ ★ ★ ★ ★

Exactly as listed and arrived very fast, excellent price and service!

Brans*****ndoval

March 22, 2023

★ ★ ★ ★ ★

Excellent shopping cart process, various of products for selection and order fulfillment a good service quality. I rely on them heavily.

Mar***** De

March 13, 2023

★ ★ ★ ★ ★

It fit exactly in the same location as the original. Works great and no problem. Good purchase.

Sel*****White

March 12, 2023

★ ★ ★ ★ ★

Your technical assistance and professionalism cannot be complained!

Cami*****ehgal

March 3, 2023

★ ★ ★ ★ ★

Very supportive of my small orders, but very glad easy to work with. Hard to see how it could be any more efficient!

Merri*****itaker

February 25, 2023

★ ★ ★ ★ ★

Fantastic Quality Control and Great Selection. Heisener Electronics has became to my No.1 Supplier for many years.

Mai*****tein

February 24, 2023

★ ★ ★ ★ ★

It works fine and does what it has designed for. No regrets.

Write a Review

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LM138K Packaging

LM138K FAQ

1. How to order LM138K on Heisener?

Currently, Heisener only provide peer-to-peer order processing. While you submit the RFQ, our professional agent will contact you with the competitive prices in the global market, and our agent will prompt you to finish the order if you accept our offers.
2. How does Heisener guarantee that LM138K is from the original manufacturer or authorized agents?

We have a professional and experienced quality control team to strictly verify and test the LM138K. All suppliers must pass our qualification reviews before they can publish their products including LM138K on Heisener; we pay more attention to the channels and quality of LM138K products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
3. Are the LM138K price and inventory displayed accurate?

The price and inventory of LM138K fluctuates frequently and cannot be updated in time, it will be updated periodically within 24 hours. And, our quotation usually expires after 5 days.
4. What forms of payment are accepted?

Wire Transfer, PayPal, Alipay, Wechat, Credit Card, Western Union, MoneyGram, and Escrow are all acceptable.

Warm Tips: Some orders in certain payment forms may require handling fee.
5. How is the shipping arranged?

Customers can choose industry-leading freight companies, including DHL, UPS, FedEx, TNT, and Registered Mail. Shipping insurance is also available.

Once your order has been processed for shipment, our salesperson will send you an email advising you of the shipping status and tracking number.

Warm Tips: It may take up to 24 hours for the carriers to display tracking information. Usually, express delivery takes 3-5 days, and registered mail takes 25-60 days.
6. What is the process for return or replacement of LM138K?

All goods will implement Pre-Shipment Inspection (PSI), selected at random from all batches of your order to do a systematic inspection before arranging the shipment. If there is something wrong with the LM138K we delivered, we will accept the replacement or return of the LM138K only when all of the below conditions are fulfilled:

(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.

(2)We are informed of the defect described above within 90 days after the delivery of LM138K.

(3)The PartNo is unused and only in the original unpacked packaging.

Two processes to return the products:

(1)Inform us within 90 days

(2)Obtain Requesting Return Authorizations
7.How to contact us to get technical supports, such as LM138K pin diagram, LM138K datasheet?

If you need any after-sales service, please do not hesitate to contact us.

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LM138K Guarantees

Service Guarantees

We guarantee 100% customer satisfaction.

Our experienced sales team and tech support team back our services to satisfy all our customers.

Quality Guarantees

We provide 90 days warranty.

If the items you received were not in perfect quality, we would be responsible for your refund or replacement, but the items must be returned in their original condition.

Global Supply Chains - Reliable and Authorized Distributor Resources

Part Number	Manufacturer	Description	Stock
LM138KG-MD8 D# V37:1799_16018888	Texas Instruments	5 Amp Adjustable Regulators RoHS: Compliant	0
LM138K STEEL/NOPB D# V37:1799_07264659	Texas Instruments	Standard Regulator Pos 1.2V to 32V 5A 3-Pin(2+Tab) TO-3 Tray RoHS: Compliant	0
LM138K STEEL D# V99:2348_07264658	Texas Instruments	Standard Regulator Pos 1.2V to 32V 5A 3-Pin(2+Tab) TO-3 Tray RoHS: Not Compliant	0
LM138K-MIL D# V37:1799_07264660	Texas Instruments	Standard Regulator Pos 1.2V to 32V 5A 3-Pin(2+Tab) TO-3 Tray RoHS: Not Compliant	0

Part Number

Manufacturer

Description

Stock

LM138K STEEL

D# LM138K STEEL

Texas Instruments

Standard Regulator Pos 1.2V to 32V 5A 3-Pin(2+Tab) TO-3 Tray - Trays (Alt: LM138K STEEL)

RoHS: Not Compliant

Part Number

Manufacturer

Description

Stock

LM138K-MIL

National Semiconductor Corporation

132

Part Number	Manufacturer	Description	Stock
LM138K	STMicroelectronics	LM138 Series 5 A 1.2 to 32 V Adjustable Positive Voltage Regulator - TO-3	0
LM138KSTEEL	Texas Instruments	5 Amp Adjustable Regulator	0
LM138K STEEL/NOPB	Texas Instruments	5 Amp Adjustable Regulator	0
LM138K STEEL	Texas Instruments	5 Amp Adjustable Regulator	0
LM138KSTEEL/NOPB	Texas Instruments	5 Amp Adjustable Regulator	0

Part Number

Manufacturer

Description

Stock

LM138K STEEL/NOPB

D# 296-41512-ND

Texas Instruments

IC REG LINEAR POS ADJ 5A TO3-2

254

LM138K STEEL

D# 296-41162-ND

Texas Instruments

IC REG LINEAR POS ADJ 5A TO3-2

Part Number	Manufacturer	Description	Stock
LM138K	Linear Technology	In stock shipping within 2days	254
LM138K883C	Linear Technology	In stock shipping within 2days	216
LM138K-MIL	National Semiconductor Corporation	In stock shipping within 2days	118

Part Number

Manufacturer

Description

Stock

LM138K STEEL/NOPB

D# 3121451

Texas Instruments

5 AMP ADJUSTABLE REGULATOR

RoHS: Compliant

Min Qty: 1

Container: Each

Part Number	Manufacturer	Description	Stock
LM138K883B	National Semiconductor Corporation	OEM/CM QUOTES ONLY \| NO BROKERS	10
LM138KSTEELP	National Semiconductor Corporation	OEM/CM QUOTES ONLY \| NO BROKERS	29
LM138K883C	National Semiconductor Corporation	OEM/CM QUOTES ONLY \| NO BROKERS	116
LM138KMIL		OEM/CM QUOTES ONLY \| NO BROKERS	5800
LM138KM	SGS THOMSON 9102	OEM/CM QUOTES ONLY \| NO BROKERS	1
LM138KC		OEM/CM QUOTES ONLY \| NO BROKERS	5800
LM138KSTEELNOPB	N/A	OEM/CM QUOTES ONLY \| NO BROKERS	17
LM138KSTEEL	Texas Instruments	OEM/CM QUOTES ONLY \| NO BROKERS	7
LM138K	QORVO	OEM/CM QUOTES ONLY \| NO BROKERS	11600
LM138KSTEEL883B	Linear Technology	OEM/CM QUOTES ONLY \| NO BROKERS	1
LM138KSTEEL883	Linear Technology	OEM/CM QUOTES ONLY \| NO BROKERS	1
LM138K883		OEM/CM QUOTES ONLY \| NO BROKERS	580
LM138KGB	THOMSON 93+	OEM/CM QUOTES ONLY \| NO BROKERS	9
LM138KSTEELMIL	National Semiconductor Corporation	OEM/CM QUOTES ONLY \| NO BROKERS	7

Part Number	Manufacturer	Description	Stock
LM138KR	Linear Technology	OEM/CM ONLY	1570
LM138K883C	Linear Technology	OEM/CM ONLY	296
LM138KMIL	Texas Instruments	OEM/CM ONLY	437
LM138KSTEEL	Texas Instruments	OEM/CM ONLY	158
LM138KSTEEL883B	Texas Instruments	OEM/CM ONLY	47651
LM138KMILNOPB	Texas Instruments	OEM/CM ONLY	9999
LM138K883	Linear Technology	OEM/CM ONLY	1785
LM138K883K	Linear Technology	OEM/CM ONLY	1569

Part Number

Manufacturer

Description

Stock

LM138K

National Semiconductor Corporation

OEM/CM Immediate delivery

LM138K STEEL/NOPB

National Semiconductor Corporation

OEM/CM Immediate delivery

5880

Part Number

Manufacturer

Description

Stock

LM138K STEEL/NOPB

D# 77AH4531

Texas Instruments

5 AMP ADJUSTABLE REGULATOR, SVHC:No SVHC (15-Jan-2019) RoHS Compliant: Yes

RoHS: Compliant

Min Qty: 1

Container: Bulk

LM138K

D# 56P8021

STMicroelectronics

Linear Voltage Regulators & Vref

RoHS: Not Compliant

Min Qty: 100

Container: Bulk

Part Number	Manufacturer	Description	Stock
LM138K-STEEL-883 D# NS-LM138K-STEEL-883	National Semiconductor Corporation	OEM/CM ONLY	1661
LM138K-883 D# NS-LM138K-883	Linear Technology	OEM/CM ONLY	1388
LM138K D# NS-LM138K	STMicroelectronics	OEM/CM ONLY	4253
LM138K-STEEL D# NS-LM138K-STEEL	National Semiconductor Corporation	OEM/CM ONLY	2363
LM138K STEEL D# NS-LM138K STEEL	Texas Instruments	OEM/CM ONLY	5319
LM138K STEEL/NOPB D# NS-LM138K STEEL/NOPB	Texas Instruments	OEM/CM ONLY	5549

Part Number	Manufacturer	Description	Stock
LM138K/883C	Linear Technology	1.2 V-32 V ADJUSTABLE POSITIVE REGULATOR, MBFM2	4
LM138K-STEEL	National Semiconductor Corporation	Voltage Regulator, Adjustable, +1.2 TO +32V, Bi-Polar, 3 Pin, Metal, TO-204/-3	4
LM138KSTEELP+	National Semiconductor Corporation		6
LM138K	STMicroelectronics	Voltage Regulator, Adjustable, +1.2 TO +32V, Bi-Polar, 3 Pin, Metal, TO-204/-3	1

Part Number

Manufacturer

Description

Stock

LM138K

D# LM138K

National Semiconductor Corporation

Inventory R

Part Number

Manufacturer

Description

Stock

LM138K STEEL/NOPB

Texas Instruments

LM138 5A Adjustable Output Linear Regulator / LDO in hermetic package

RoHS: Compliant

2169

Part Number	Manufacturer	Description	Stock
LM138KMIL	National Semiconductor Corporation	OEM/CM ONLY	180
LM138KC		OEM/CM ONLY	5011
LM138K	STMicroelectronics	OEM/CM ONLY	192

Part Number

Manufacturer

Description

Stock

LM138K

National Semiconductor Corporation

IN stock Immediate delivery

LM138K STEEL/NOPB

National Semiconductor Corporation

IN stock Immediate delivery

5895

Part Number

Manufacturer

Description

Stock

LM138K STEEL/NOPB

Texas Instruments

5A Adjustable Output Linear Regulator / LDO in hermetic package

LM138K STEEL

Texas Instruments

5A Adjustable Output Linear Regulator / LDO in hermetic package

150

Part Number	Manufacturer	Description	Stock
LM138K-MIL	National Semiconductor Corporation	shipping today	326
LM138K	STMicroelectronics	shipping today	516
LM138K-STEEL/NOPB	Texas Instruments	shipping today	5579
LM138K-STEEL	Texas Instruments	shipping today	5579
LM138K NSC	National Semiconductor Corporation	shipping today	211

Part Number

Manufacturer

Description

Stock

LM138K STEEL

D# 36455858

Texas Instruments

Standard Regulator Pos 1.2V to 32V 5A 3-Pin(2+Tab) TO-3 Tray

RoHS: Not Compliant

Part Number	Manufacturer	Description	Stock
LM138K883	Linear Technology	RFQ	8051
LM138K STEEL/NOPB	Texas Instruments	RFQ	2494
LM138KSTEEL/883B	Linear Technology	RFQ	1361
LM138KMIL	National Semiconductor Corporation	RFQ	5956
LM138K-MIL	National Semiconductor Corporation	RFQ	13694
LM138KSTEEL/883	Linear Technology	RFQ	4254

Part Number

Manufacturer

Description

Stock

LM138K-MIL

Texas Instruments

LM138/LM338 5-Amp Adjustable Regulators

300

Part Number

Manufacturer

Description

Stock

LM138K STEEL/NOPB

D# 3121451

Texas Instruments

5 AMP ADJUSTABLE REGULATOR

RoHS: Compliant

Min Qty: 1

Container: Each

Quick Inquiry

LM138K

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