Name: MDSM-4B-12-18
Brand: Littelfuse Inc.
SKU: MDSM-4B-12-18
Availability: InStock
Rating: 5 (154 reviews)

MDSM-4B-12-18

For Reference Only

Part Number	MDSM-4B-12-18
Manufacturer	Littelfuse Inc.
Description	SWITCH REED SPST-NO 350MA 140V
Datasheet	MDSM-4B-12-18 Specifications
Package	-
ECAD
In Stock	19,428 piece(s)
Unit Price	Request a Quote
Lead Time	To be Confirmed
Estimated Delivery Time	Jun 14 - Jun 19 (Choose Expedited Shipping)
Request for Quotation

Payment Methods
Delivery Services

Part Number # MDSM-4B-12-18 (Magnetic, Reed Switches) 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 MDSM-4B-12-18 specifications/configurations, quotation, lead time, payment terms of further enquiries please have no hesitation to contact us. To process your RFQ, please add MDSM-4B-12-18 with quantity into BOM. Heisener.com does NOT require any registration to request a quote of MDSM-4B-12-18.

MDSM-4B-12-18 Specifications

Manufacturer	Littelfuse Inc.
Category	Switches - Magnetic, Reed Switches
Package	-
ECAD
Series	MDSM-4
Type	Glass Body
Circuit	SPST-NO
Operate Range	12 ~ 18AT
Release Range	-
Current - Switching	350mA (AC), 500mA (DC)
Voltage - Switching AC	140V
Voltage - Switching DC	200V
Power - Rated	10W
Operate Time	0.6ms
Release Time	0.2ms
Mounting Type	Surface Mount
Termination Style	Gull Wing
Length - Overall	0.760" (19.30mm)
Size - Body	0.090" Dia x 0.600" L (2.28mm x 15.24mm)
Height Above Board	0.112" (2.85mm)
Operating Temperature	-40°C ~ 125°C
Capacitance	0.2pF
Current - Carry	1.2A (DC)

MDSM-4B-12-18 Reviews

Mak*****Ochoa

April 6, 2023

★ ★ ★ ★ ★

I took the chance and used it and I worked fine for me.

Georg*****sales

March 28, 2023

★ ★ ★ ★ ★

I wanted something that would handle voltage spikes. Worked perfectly. I plan to use four more.

Oakl*****Molina

March 23, 2023

★ ★ ★ ★ ★

Items as described, quick dispatch, took a while with shipment.

Harl*****osta

March 22, 2023

★ ★ ★ ★ ★

I recently became very interested in electronics and I have used several of them. They work great.

Lew*****Terry

March 21, 2023

★ ★ ★ ★ ★

Excellent service and product arrives in reasonable shipping rates. Well done!

Soni*****etty

March 8, 2023

★ ★ ★ ★ ★

Excellent Seller, Great Products, Fast Reliable Service.

Myl*****Tyler

February 20, 2023

★ ★ ★ ★ ★

They were easy to work with and did what I expected.

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MDSM-4B-12-18 Packaging

MDSM-4B-12-18 FAQ

1. How to order MDSM-4B-12-18 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 MDSM-4B-12-18 is from the original manufacturer or authorized agents?

We have a professional and experienced quality control team to strictly verify and test the MDSM-4B-12-18. All suppliers must pass our qualification reviews before they can publish their products including MDSM-4B-12-18 on Heisener; we pay more attention to the channels and quality of MDSM-4B-12-18 products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
3. Are the MDSM-4B-12-18 price and inventory displayed accurate?

The price and inventory of MDSM-4B-12-18 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 MDSM-4B-12-18?

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 MDSM-4B-12-18 we delivered, we will accept the replacement or return of the MDSM-4B-12-18 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 MDSM-4B-12-18.

(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 MDSM-4B-12-18 pin diagram, MDSM-4B-12-18 datasheet?

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

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MDSM-4B-12-18 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

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Description

Stock

MDSM-4B 12-18

Hamlin Electronics

BOX / MDSM-4B 5276 12-18

Part Number

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Description

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MDSM-4B-12-18

D# F7882-ND

Littelfuse Inc

SWITCH REED SPST-NO 350MA 140V

981

Part Number

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MDSM-4B-12-18

Littelfuse Inc

RoHS: Compliant

pbFree: Yes

Part Number

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MDSM4B1218

Littelfuse Inc

OEM/CM QUOTES ONLY | NO BROKERS

1144

Part Number

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MDSM-4B-12-18

D# 934-MDSM-4B12-18

Littelfuse Inc

Magnetic / Reed Switches MDSM-4B 5276 12-18

RoHS: Compliant

918

Part Number

Manufacturer

Description

Stock

MDSM-4B-12-18

D# 38X7499

Littelfuse Inc

MDSM-4B 5276 12-18 / BULK

RoHS: Not Compliant

Min Qty: 1000

Container: Bulk

Part Number

Manufacturer

Description

Stock

MDSM4B1218

Littelfuse Inc

OEM/CM ONLY

1076

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MDSM-4B-12-18

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