Name: 59021-1-U-04-B
Brand: Littelfuse Inc.
SKU: 59021-1-U-04-B
Availability: InStock
Rating: 5 (101 reviews)

59021-1-U-04-B

For Reference Only

Part Number	59021-1-U-04-B
Manufacturer	Littelfuse Inc.
Description	SENSOR REED SW SPST-NO W LEADS
Datasheet	59021-1-U-04-B Specifications
Package	Probe
ECAD
In Stock	3,834 piece(s)
Unit Price	Request a Quote
Lead Time	To be Confirmed
Estimated Delivery Time	Jun 4 - Jun 9 (Choose Expedited Shipping)
Request for Quotation

Payment Methods
Delivery Services

Part Number # 59021-1-U-04-B (Magnetic Sensors - Position, Proximity, Speed (Modules)) is manufactured by Littelfuse Inc. 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 59021-1-U-04-B specifications/configurations, quotation, lead time, payment terms of further enquiries please have no hesitation to contact us. To process your RFQ, please add 59021-1-U-04-B with quantity into BOM. Heisener.com does NOT require any registration to request a quote of 59021-1-U-04-B.

59021-1-U-04-B Specifications

Manufacturer	Littelfuse Inc.
Category	Sensors, Transducers - Magnetic Sensors - Position, Proximity, Speed (Modules)
Package	Probe
ECAD
Series	59021
Output Type	SPST-NO
Type	Reed Switch
Actuator Material	Magnet
Termination Style	Wire Leads
Frequency	-
Voltage - Supply	-
Must Operate	4.00mm
Must Release	-
Operating Temperature	-40°C ~ 105°C (TA)
Package / Case	Probe

59021-1-U-04-B Reviews

Bobb*****rson

April 4, 2023

★ ★ ★ ★ ★

Used for a solar project. Working as hoped. I'd buy again.

Memph*****lasquez

March 30, 2023

★ ★ ★ ★ ★

Thanks a lot! Ease of ordering and I love when they upgrade my shipping for free. What a nice thing to do.

Orla*****Modi

March 28, 2023

★ ★ ★ ★ ★

Your technical assistance and professionalism cannot be complained!

Loui*****wman

March 21, 2023

★ ★ ★ ★ ★

Superb pricing and super fast delivery.

Ana*****Moon

March 10, 2023

★ ★ ★ ★ ★

All resistors exactly -0.01%. Pretty good.

Neva*****inhas

March 9, 2023

★ ★ ★ ★ ★

Fast, Friendly Service. Item as described. Good Communications. Thank You!

Titan*****ntine

February 27, 2023

★ ★ ★ ★ ★

Very good product for electronic projects and are of great quality and test great.

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59021-1-U-04-B Packaging

59021-1-U-04-B FAQ

1. How to order 59021-1-U-04-B 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 59021-1-U-04-B is from the original manufacturer or authorized agents?

We have a professional and experienced quality control team to strictly verify and test the 59021-1-U-04-B. All suppliers must pass our qualification reviews before they can publish their products including 59021-1-U-04-B on Heisener; we pay more attention to the channels and quality of 59021-1-U-04-B products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
3. Are the 59021-1-U-04-B price and inventory displayed accurate?

The price and inventory of 59021-1-U-04-B 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 59021-1-U-04-B?

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 59021-1-U-04-B we delivered, we will accept the replacement or return of the 59021-1-U-04-B 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 59021-1-U-04-B.

(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 59021-1-U-04-B pin diagram, 59021-1-U-04-B datasheet?

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

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59021-1-U-04-B 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

59021-1-U-04-B

Littelfuse Inc

SENSOR MAGNETC SPST 13-19AT ALUM

Part Number

Manufacturer

Description

Stock

59021-1-U-04-B

D# 59021-1-U-04-B-ND

Littelfuse Inc

SENSOR REED SW SPST-NO W LEADS

Part Number

Manufacturer

Description

Stock

59021-1-U-04-B

D# NS-59021-1-U-04-B

Hamlin Electronics

OEM/CM ONLY

9513

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59021-1-U-04-B

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