Please refer to the English Version as our Official Version.

Europe: France~~(Français)~~ Germany~~(Deutsch)~~ Italy~~(Italia)~~ Russian~~(русский)~~ Poland~~(polski)~~ Czech~~(Čeština)~~ Luxembourg~~(Lëtzebuergesch)~~ Netherlands~~(Nederland)~~ Iceland~~(íslenska)~~ Hungarian~~(Magyarország)~~ Spain~~(español)~~ Portugal~~(Português)~~ Turkey~~(Türk dili)~~ Bulgaria~~(Български език)~~ Ukraine~~(Україна)~~ Greece~~(Ελλάδα)~~ Israel~~(עִבְרִית)~~ Sweden~~(Svenska)~~ Finland~~(Svenska)~~ Finland~~(Suomi)~~ Romania~~(românesc)~~ Moldova~~(românesc)~~ Slovakia~~(Slovenská)~~ Denmark~~(Dansk)~~ Slovenia~~(Slovenija)~~ Slovenia~~(Hrvatska)~~ Croatia~~(Hrvatska)~~ Serbia~~(Hrvatska)~~ Montenegro~~(Hrvatska)~~ Bosnia and Herzegovina~~(Hrvatska)~~ Lithuania~~(lietuvių)~~ Spain~~(Português)~~ Switzerland~~(Deutsch)~~ United Kingdom~~(English)~~

Asia/Pacific: Japan~~(日本語)~~ Korea~~(한국의)~~ Thailand~~(ภาษาไทย)~~ Malaysia~~(Melayu)~~ Singapore~~(Melayu)~~ Vietnam~~(Tiếng Việt)~~ Philippines~~(Pilipino)~~

Africa, India and Middle East: United Arab Emirates~~(العربية)~~ Iran~~(فارسی)~~ Tajikistan~~(فارسی)~~ India~~(हिंदी)~~ Madagascar~~(malaɡasʲ)~~

South America / Oceania: New Zealand~~(Maori)~~ Brazil~~(Português)~~ Angola~~(Português)~~ Mozambique~~(Português)~~

North America: United States~~(English)~~ Canada~~(English)~~ Haiti~~(Ayiti)~~ Mexico~~(español)~~

Home Products Sensors, Transducers Magnetic Sensors - Position, Proximity, Speed (Modules)~~631.1201.288~~

Image may be representation.
See specifications for product details.

~~Favorite~~

EXPRESS OPTION

Payment method

631.1201.288 - Altech Corporation

Manufacturer Part Number: 631.1201.288

Manufacturer: Altech Corporation

Allelco Part Number: 98D-631.1201.288

Warranty: 1 Year Allelco Warranty - Find out more

Stock Status:: 30,646 pcs available, New & Original

Parts Description: MAGNETIC SWITCH MAK-0112-B-1

Package: Bulk

Data sheet: -

RoHs Status: ROHS3 Compliant

~~Compare~~

Our certification

In stock: 30646

Unit Price: $73.26
Subtotal: $0.00

Want a better price?
Add to Cart and Submit RFQ now, we'll contact you immediately.

Quantity	Unit Price	Ext. Price
1+	$73.26	$73.26
200+	$28.35	$5,670.00
500+	$27.36	$13,680.00
1000+	$26.86	$26,860.00

The above prices does not include taxes and freight rates, which will be calculated on the order pages.

Specifications

631.1201.288 Tech Specifications
Altech Corporation - 631.1201.288 technical specifications, attributes, parameters and parts with similar specifications to Altech Corporation - 631.1201.288

Product Attribute	Attribute Value
Manufacturer	Altech Corporation
Series	*

Product Attribute	Attribute Value
Package	Bulk
Base Product Number	631.1201

Environmental & Export Classifications

ATTRIBUTE	DESCRIPTION
RoHs Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)
HTSUS	0000.00.0000

Frequently Asked Questions(FAQ)

How does the 631.1201.288 magnetic switch perform in environments with strong external magnetic interference, and what are the design considerations for reliable operation near motors or high-current conductors?: The 631.1201.288 is a normally open reed switch designed for low-power magnetic actuation, with an operating field range typically between 50 to 100 Gauss. While it can detect static or slowly varying magnetic fields, prolonged exposure to dynamic fields—such as those generated by AC motors or proximity to high-current wiring—may cause chatter or false triggering due to fluctuating flux densities. Engineers should evaluate the peak magnetic field strength in the intended application using B-field simulations or empirical measurements. If the ambient field exceeds 100–150 mT, additional shielding or spatial separation may be required. The switch’s bistable behavior helps maintain state after field removal, which mitigates some noise effects but does not eliminate susceptibility during transient events.

What are the key differences between the 631.1201.288 and solid-state Hall-effect sensors in terms of switching speed, power consumption, and long-term reliability under mechanical stress?: The 631.1201.288 operates without semiconductor components, resulting in virtually infinite electrical contact life under proper load conditions (typically rated for 10^7 operations at 10 mA, 24 VDC), making it highly durable for repetitive cycling. In contrast, Hall-effect sensors exhibit faster response times (<1 µs) and lower quiescent current (often <1 mA), but their performance degrades over time due to semiconductor aging and sensitivity drift. However, Hall devices are less susceptible to contact bounce and offer better noise immunity in electrically noisy environments. The reed switch excels in harsh mechanical conditions where vibration and shock are present, as there are no fragile semiconductor junctions. For applications requiring galvanic isolation, low EMI, or minimal signal jitter, solid-state alternatives may be preferable despite higher long-term cost.

Can the 631.1201.288 be used safely in humid or corrosive atmospheres, and what protective measures should be taken during PCB assembly and system integration?: The 631.1201.288 has no hermetic seal and is constructed with standard glass-encapsulated contacts, which limits its suitability for direct exposure to high humidity or corrosive gases. Moisture ingress can accelerate contact oxidation, leading to increased contact resistance or failure over time. To mitigate this, designers should avoid mounting the sensor near condensation-prone areas or use conformal coating sparingly around the glass envelope. During reflow soldering, peak temperatures above 260°C for extended durations may compromise the glass-to-metal seal integrity. A recommended practice is to mount the component away from heat sources and ensure airflow in enclosures. For outdoor or industrial environments, consider housing the assembly in an IP-rated enclosure with desiccant or inert gas purging.

What is the typical actuation distance and field uniformity requirement for reliably triggering the 631.1201.288, and how does magnet choice impact performance?: The 631.1201.288 exhibits reliable closure within 10–25 mm of a standard neodymium magnet (N42 grade) depending on orientation and magnet size. Field strength at the actuator tip typically needs to exceed 50 Gauss for consistent operation. Non-uniform fields or weak magnets may result in inconsistent switching thresholds, especially near edges or corners of permanent magnets. Engineers should model the magnetic circuit using finite element analysis (FEA) tools when precise timing or repeatability is critical. Using cylindrical or ring-shaped magnets aligned axially often provides more predictable field distribution than bar magnets. Additionally, magnet demagnetization over time—particularly in high-temperature environments—can reduce effective field strength below the switch’s activation threshold, necessitating periodic verification during system validation.

How does the contact configuration of the 631.1201.288 influence circuit design compared to other reed switches with different pole arrangements?: The 631.1201.288 features a single-pole, normally-open (SPST-NO) contact arrangement, simplifying interfacing with digital inputs or simple control loops without requiring complementary switches for latching functions. This contrasts with SPDT or DPDT configurations that enable bidirectional sensing or redundant signaling. In low-voltage DC circuits (up to 24 VDC), the SPNO topology reduces component count and simplifies PCB layout, though it lacks inherent fail-safe capabilities. When driving inductive loads like solenoids directly, a flyback diode must be added across the contacts to prevent arcing and extend contact life. Compared to reed relays with multiple poles, the single-contact design minimizes parasitic capacitance and improves response consistency but offers no parallel path for redundancy. Designers must account for contact bounce (~5–20 ms) when connecting to microcontrollers, potentially requiring debouncing in firmware or hardware filters.

What are the thermal limitations of the 631.1201.288, and how does temperature affect its magnetic sensitivity and contact resistance?: Operating temperature range is typically -40°C to +85°C, though some sources specify up to +125°C for short durations. Above +85°C, the internal magnetic bias—if present in certain variants—may weaken due to demagnetization of permanent elements, reducing actuation sensitivity. Contact resistance increases by approximately 2–3% per degree Celsius rise above 25°C due to reduced conductivity in the noble metal alloy (usually rhodium or ruthenium). At cryogenic temperatures, brittleness risk rises, though this is rarely encountered in consumer electronics. Thermal cycling between extreme temperatures can also induce micro-cracks in the glass capsule, compromising long-term reliability. In automotive or industrial settings, derating the maximum continuous current by 20–30% at elevated ambient temperatures is advisable to maintain stable performance.

Is the 631.1201.288 suitable for use in intrinsically safe circuits, and what certification or safety standards apply to its deployment in hazardous locations?: The 631.1201.288 itself is not inherently certified for hazardous environments such as Class I Div II or ATEX zones. Its operation depends on low-energy contacts, which generally pose minimal ignition risk, but certification requires full system-level evaluation including associated wiring, enclosures, and fault conditions. In Zone 2 or Division 2 applications, the switch may be permissible if installed in a non-conductive enclosure with appropriate barriers and maintained clearances. However, for true intrinsic safety (e.g., Zone 0/1), solid-state alternatives with embedded current-limiting circuitry are preferred. Always consult local regulations and obtain third-party certifications (e.g., UL, CSA) for the complete assembly before deployment in explosive atmospheres.

How should the 631.1201.288 be stored and handled to preserve long-term reliability, given its lack of moisture sensitivity level (MSL) designation?: Although MSL is not applicable, the 631.1201.288 remains sensitive to physical abuse and environmental exposure. Store in a dry, temperature-controlled environment (ideally 15–30°C, <60% RH) away from strong magnetic fields (>500 mT) to prevent accidental actuation or demagnetization of nearby components. Avoid stacking heavy objects on bulk packages, as pressure can deform the glass capsule. Handling should be done with ESD-protective equipment, as electrostatic discharge can damage adjacent circuitry even if the reed switch itself is passive. Use anti-static foam trays during transport and keep leads straight during insertion to prevent bending stress. Shelf life is effectively indefinite under proper storage, but periodic functional testing is recommended for mission-critical systems.

What are the trade-offs between using the 631.1201.288 versus a proximity sensor with integrated output driver in battery-powered applications?: The 631.1201.288 draws near-zero current when open and only consumes microamps during switching, making it ideal for ultra-low-power designs such as wireless sensors or portable medical devices. Solid-state alternatives like Hall-based proximity ICs typically require continuous power for signal conditioning, increasing overall energy consumption. However, reed switches introduce latency due to mechanical movement (actuation delay of ~1–5 ms), whereas Hall sensors respond instantly. For applications demanding sub-mA average current budgets and infrequent state changes, the 631.1201.288 offers superior efficiency. Yet, in fast-switching scenarios or environments with rapid magnetic transients, the absence of electronic filtering in reed switches may necessitate software debouncing, adding complexity. Ultimately, the choice hinges on duty cycle, response time requirements, and lifetime expectations.

How does the base product number 631.1201 relate to other variants in Altech’s magnetic sensor family, and what modifications might justify selecting a different part within the same series?: The 631.1201 serves as the core platform for several derivatives distinguished by suffixes indicating contact type, voltage rating, or packaging. For example, 631.1201.288 specifies a normally-open configuration, while 631.1201.289 may denote normally-closed or dual-contact versions. Variations in lead length, body diameter, or glass composition can affect compatibility with automated assembly lines or mechanical constraints. If higher contact ratings (e.g., 110 VAC) are needed, a different suffix under the same base number should be selected rather than substituting unrelated models. Always verify dimensional and electrical compatibility across variants before redesign. The 631.1201.288 is optimized for general-purpose switching; specialized needs such as high-speed counting or bi-stable latching would require evaluating alternative configurations within the broader 631.1201 series.

Parts with Similar Specifications

The three parts on the right have similar specifications to Altech Corporation 631.1201.288

Product Attribute
Part Number	631.1201.686	631.1218.728	631.1211.692	631.1208.732
Manufacturer	Altech Corporation	Altech Corporation	Altech Corporation	Altech Corporation
Series	-	-	-	-
Package	-	Tape & Reel (TR)	Tube	Tape & Reel (TR)
Base Product Number	-	DAC34H84	MAX500	ADS62P42

Customers Also Interested in

Recommended Products

Customer Reviews

Evaluation: 10 Articles

Nord***mbedded

Jul 20, 2026

Reliable FPGA with predictable behavior. Configuration and testing went smoothly, making development faster than expected.
Arch***ct

Jul 15, 2026

Used this device in a communication signal processing board. Stable timing and no unexpected issues during implementation.
FPGA***lorer88

Jul 7, 2026

The FPGA works properly and all functions operate as expected. Documentation required some additional research, but overall it is a usable device for smaller signal processing projects.
Nath***oleman

Jun 29, 2026

Used this sensor component in an industrial automation setup. Detection accuracy was consistent and installation was straightforward.
Emil***rperTech

Jun 23, 2026

Works exactly as described. I used it as a USB-to-SPI bridge in a small MCU development project and communication was stable from the first setup.
Liam***terTech

Jun 15, 2026

Used this CPLD in a logic control project. Programming was straightforward and signal timing matched the design requirements.
Nath***rooks

Jun 11, 2026

Installed this power component in a converter board. Output remained stable under different load conditions and thermal performance was better than expected.
Dani***alkerTech

Jun 1, 2026

Product works, but setup took more effort than expected. Once configured the MCU ran reliably, although documentation support felt older compared with newer platforms. Fine for maintenance projects.
Yuki***aka88

May 26, 2026

信号通信プロジェクトでこのRS-485トランシーバーを使用しました。設置は簡単で、長距離ケーブルでも通信は安定していました。消費電力も、以前使用していたものより低くなっています。
Stev***aker

May 20, 2026

Solid diode for power rectification. Works well in switching circuits.

Write a Review

Your Email address will not be published.

Shipment

Delivery Time

In-stock items can be shipped within 24 hours. Some parts will be arranged for delivery within 1-2 days from the date all items arrive at our warehouse. And Allelco ships order once a day at about 17:00, except Sunday. Once the goods are shipped, the estimated delivery time depends on the shipping methods and Delivery destination. The table below shows are the logistic time for some common countries.

Delivery Cost

Use your express account for shipment if you have one.
Use our account for the shipment. Refer to the table below for the approximate charges.

(Different time frame / countries / package size has different price.)

Delivery Method

Global Common Shipment by DHL / UPS / FedEx / TNT / EMS / SF we support.
Others more shipping ways, please get in touch with your customer manager.

Common Countries Logistic Time Reference
Region	Country	Logistic Time(Day)
America	United States	5
America	Brazil	7
Europe	Germany	5
	United Kingdom	4
	Italy	5
Oceania	Australia	6
Oceania	New Zealand	5
Asia	India	4
Asia	Japan	4
Middle East	Israel	6

DHL & FedEx Shipment Charges Reference
Shipment charges(KG)	Reference DHL(USD$)
0.00kg-1.00kg	USD$30.00 - USD$60.00
1.00kg-2.00kg	USD$40.00 - USD$80.00
2.00kg-3.00kg	USD$50.00 - USD$100.00

Note:: The above table is for reference only. There may have some data bias for the uncontrollable factors.
Contact us if you have any questions.

QC (Quality Warranty)
Payment Support
Packaging
Certifications & Memberships

QC (Quality Warranty)

Allelco is committed to exceeding customer expectations through customer service excellence, order accuracy, and on-time delivery.
This is achieved through our commitment to the continual improvement of our processes, services, and products.

Strict quality inspection builds a solid foundation for electronic component quality.

Visual inspection
Performance testing and reliability verification
Standardized full-process testing
Precise control of every parameter

We eliminate defective components and ensure the stable operation of electronic devices through professional quality standards.

Quality Inspection

Payment Support

The payment method can be chosen from the methods shown below: Wire Transfer (T/T, Bank Transfer), Western Union, Credit card, PayPal.

Stable Delivery, Sincere Partnership — Your Faithful Supply Chain Partner

Efficient Supply Management
Cost-Saving Procurement
Fast Sourcing & Delivery

Contact us if you have any questions.

Phone: +00852 9146 4856
Email: info@allelco.com

Packaging

Electrostatic Discharge Protection and Handling

All electrostatic-sensitive components are handled in accordance with electrostatic discharge control procedures. The products are hermetically sealed in anti-static safe packaging to prevent electrostatic damage. Appropriate labeling is also applied for identification and traceability. This ensures product integrity during storage, handling and transportation.

ESD

Certifications & Memberships

Third-party certified, strict quality control. Our certification

ISO 9001: 2015
ISO 13485: 2016
ISO 14001: 2015
ISO 28000: 2007
ISO 45001: 2018
GB/T 27922-2011

SMTA
IPC
ESD
PSMA

631.1201.288

Altech Corporation
98D-631.1201.288

Want a better price? Add to Cart and Submit RFQ now, we'll contact you immediately.

The Blogs Hot Parts Change Language News Site map

Headquarters Address:
Room C 13/F Harvard Commercial Building
105-111 Thomson Road Wan Chai
HongKong

Service Tel: +852-91464856
Service Email: info@allelco.com

Follow us

0 RFQ

Shopping cart (0 Items)

It is empty.

Submit RFQ

Compare List (0 Items)

It is empty.

Feedback

Your feedback matters! At Allelco, we value the user experience and strive to improve it constantly.
Please share your comments with us via our feedback form, and we'll respond promptly.
Thank you for choosing Allelco.

Please refer to the English Version as our Official Version.Return