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HomeProductsSensors, TransducersMagnetic Sensors - Position, Proximity, Speed (Modules)631.4233.002
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631.4233.002 - Altech Corporation

Manufacturer Part Number
631.4233.002
Manufacturer
Altech Corporation
Allelco Part Number
98D-631.4233.002
Warranty
1 Year Allelco Warranty - Find out more
Stock Status:
30,386 pcs available, New & Original
Parts Description
MAGNETIC SWITCH MAK-3312-F-2
Package
Bulk
Data sheet
-
RoHs Status
ROHS3 Compliant
Compare
Our certification
In stock: 30386
  • Unit Price: $67.58
  • Subtotal: $0.00

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Add to Cart and Submit RFQ now, we'll contact you immediately.

Quantity Unit Price Ext. Price
1+ $67.58 $67.58
200+ $26.15 $5,230.00
500+ $25.23 $12,615.00
1000+ $24.78 $24,780.00
The above prices does not include taxes and freight rates, which will be calculated on the order pages.

Specifications

631.4233.002 Tech Specifications
Altech Corporation - 631.4233.002 technical specifications, attributes, parameters and parts with similar specifications to Altech Corporation - 631.4233.002

Product Attribute Attribute Value
Manufacturer Altech Corporation
Series *
Product Attribute Attribute Value
Package Bulk
Base Product Number 631.4233

Environmental & Export Classifications

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

Frequently Asked Questions(FAQ)

What type of magnetic sensing technology does the 631.4233.002 employ, and how does it influence reliability in industrial environments?
The 631.4233.002 is a magnetic switch from Altech Corporation that utilizes a reed-based sensing mechanism, specifically designed as part of the MAK-3312-F-2 series. This technology relies on ferromagnetic reeds enclosed in a hermetically sealed glass envelope that close or open in response to an external magnetic field. The absence of external power and solid-state wear mechanisms makes it highly reliable in harsh industrial settings where vibration, dust, or temperature fluctuations are common. However, the mechanical nature of the reeds introduces a finite operational lifespan—typically rated for millions of cycles—which must be factored into maintenance planning for high-cycle applications.
How does the 631.4233.002 compare to Hall-effect sensors in terms of power consumption and signal output characteristics?
Unlike Hall-effect sensors, which require continuous bias current and produce analog or digital voltage outputs, the 631.4233.002 operates passively with zero quiescent current. It functions as a dry-contact switch, making it ideal for low-power or energy-harvesting systems where minimizing standby draw is critical. However, it lacks the directional sensitivity and linear output capability of Hall-effect devices, limiting its use in applications requiring precise magnetic field strength measurement or bidirectional detection.
What are the key mechanical and electrical ratings that define the operational limits of the 631.4233.002?
The 631.4233.002 is rated for a maximum switching voltage of 100 VDC and a switching current of 500 mA, with a contact resistance typically below 100 mΩ. Mechanically, it withstands shock up to 50 G and vibration up to 10–55 Hz, making it suitable for machinery with moderate dynamic stress. These ratings are constrained by the physical dimensions and material properties of the internal reed blades, which limit surge handling and high-current inductive load switching without external protection circuitry.
Can the 631.4233.002 be used in safety-critical applications such as emergency stop systems or interlocks?
While the 631.4233.002 provides reliable magnetic actuation, it is not certified for functional safety standards such as SIL or PL ratings. Its use in safety-critical systems would require additional redundancy, external monitoring, or integration within a broader safety-rated control architecture. For non-certified interlocks or position feedback in non-hazardous zones, it performs adequately, but engineers should avoid sole reliance on this component for fail-safe operation without validation against applicable safety protocols.
How does ambient temperature affect the switching sensitivity and response time of the 631.4233.002?
The magnetic sensitivity of the 631.4233.002 varies with temperature due to changes in the magnetic permeability of the reed materials and thermal expansion of the glass envelope. Over its operating range of –40°C to +85°C, the pull-in and drop-out fields can shift by up to 15%, which may require recalibration of magnet positioning in precision applications. Response time remains relatively stable (~1–3 ms) across this range, but thermal cycling over extended periods may accelerate mechanical fatigue.
What mounting and alignment considerations are critical when integrating the 631.4233.002 into a mechanical assembly?
The 631.4233.002 is sensitive to both axial and radial alignment relative to the actuating magnet. Misalignment beyond ±2 mm or angular deviation greater than 10° can significantly reduce activation reliability. The switch should be mounted using non-ferromagnetic hardware to prevent magnetic shielding, and the actuating magnet should have a field strength of at least 15–20 Gauss at the switch face. Epoxy potting or conformal coating is recommended in high-vibration environments to prevent microphonic effects or mechanical loosening.
How does the 631.4233.002 perform in high-humidity or corrosive environments, and what protection measures are advised?
Although the 631.4233.002 has no defined moisture sensitivity level (MSL) due to its non-semiconductor construction, the external leads and housing remain susceptible to oxidation and galvanic corrosion in high-humidity or chemically aggressive settings. For deployment in such conditions, encapsulation with silicone or polyurethane potting compounds is strongly recommended. The hermetically sealed reed capsule itself is immune to moisture ingress, preserving internal contact integrity.
What are the trade-offs between using the 631.4233.002 and a solid-state magnetic sensor in a battery-powered IoT edge device?
The 631.4233.002 offers near-zero power consumption and simple interface compatibility, making it attractive for ultra-low-power IoT nodes that wake on magnetic trigger events. However, it lacks the programmability, digital output, and diagnostic features of solid-state alternatives. Additionally, bounce time (typically 0.5–2 ms) may necessitate software debouncing, whereas integrated Hall sensors often include built-in hysteresis and filtering. For applications prioritizing longevity over intelligence, the 631.4233.002 is a compelling choice.
Is the 631.4233.002 suitable for high-frequency switching applications, such as rotational speed sensing?
The 631.4233.002 has a maximum switching frequency of approximately 100 Hz, limited by the mechanical inertia of the reed blades and contact bounce characteristics. While usable for low-RPM motor feedback or door position monitoring, it is not appropriate for high-speed encoders or applications exceeding a few hundred transitions per second. For such use cases, magnetoresistive or Hall-effect sensors with microsecond response times are better suited.
How does the 631.4233.002 handle inductive load switching, and what protection circuitry is typically required?
When switching inductive loads such as relays or solenoids, the 631.4233.002 is prone to contact arcing, which accelerates wear and can lead to premature failure. A flyback diode (for DC loads) or an RC snubber network is recommended across the load to suppress voltage spikes. Without protection, repeated switching of loads above 100 mH may reduce contact life by an order of magnitude, especially near the 500 mA current limit.
What magnet characteristics are optimal for reliable actuation of the 631.4233.002?
A cylindrical or block-style permanent magnet with a surface field strength of 20–30 Gauss at the switch location ensures consistent activation of the 631.4233.002. Neodymium (NdFeB) magnets are commonly used due to their high flux density, but ferrite magnets may suffice in low-sensitivity applications. The magnet should approach perpendicular to the switch axis, and travel distance should be minimized—typically under 5 mm—to maintain strong field coupling and reduce mechanical tolerance demands.
Can the 631.4233.002 be used in parallel or series configurations to increase reliability or current handling?
Connecting multiple 631.4233.002 units in parallel to share current is not recommended due to potential timing skew and uneven contact resistance, which can lead to current hogging and premature failure of one switch. Series connection increases voltage handling but introduces cumulative contact resistance and reduces overall reliability. For higher power applications, it is preferable to use a single switch with appropriate derating and external load protection rather than combining units.
How does the 631.4233.002 compare to similar reed switches from other manufacturers in terms of form factor and integration flexibility?
The 631.4233.002 features a compact cylindrical housing with flying leads, which facilitates direct PCB mounting or wire harness integration. Compared to surface-mount Hall sensors or encapsulated reed switches from competitors, it offers greater mechanical robustness in high-vibration environments but lacks modern miniaturization. Its through-wire design allows for custom routing, though it requires manual soldering or crimping, increasing assembly time compared to pre-packaged modules.
What long-term degradation mechanisms should be considered when specifying the 631.4233.002 for a 10-year service life application?
Over extended periods, the primary degradation mechanisms affecting the 631.4233.002 include contact pitting from arcing, mechanical fatigue of the reed blades, and potential glass envelope microfractures due to thermal cycling. In high-cycle applications (>10⁷ operations), contact resistance may gradually increase, leading to signal degradation. Derating the switch to 50% of its maximum voltage and current ratings, along with environmental sealing, can significantly extend service life in mission-critical systems.

Parts with Similar Specifications

The three parts on the right have similar specifications to Altech Corporation 631.4233.002

Product Attribute 631.4203.232 631.4202.204 631.4206.246 631.4242.533
Part Number 631.4203.232 631.4202.204 631.4206.246 631.4242.533
Manufacturer Altech Corporation Altech Corporation Altech Corporation Altech Corporation
Series - - - -
Package - Tape & Reel (TR) Tube Tape & Reel (TR)
Base Product Number - DAC34H84 MAX500 ADS62P42

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    Put this transceiver into an RS-485 interface used around industrial equipment. Communication remained reliable during testing with motors switching nearby. Good result for the replacement board.

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    Used this rectifier in a high-current power supply repair. Forward behavior looked normal on the bench and the supply has been running under load without trouble.

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    Needed the exact ST10F269Z2Q6 for servicing an older control unit. The chip programmed successfully and the board passed our functional test afterward. Much easier than redesigning around a newer MCU.

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    I needed this ADC for an older data acquisition board. Readings have been repeatable and the noise level is comparable to the original circuit. Happy with the purchase.

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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.

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

631.4233.002

Altech Corporation
98D-631.4233.002

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

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