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HomeProductsCircuit ProtectionCircuit Breakers4435.0486
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4435.0486 - SCHURTER Inc.

Manufacturer Part Number
4435.0486
Manufacturer
Schurter
Allelco Part Number
98D-4435.0486
Warranty
1 Year Allelco Warranty - Find out more
Stock Status:
30,260 pcs available, New & Original
Parts Description
CIR BRKR THRM
Package
Bulk
Data sheet
4435.0486.pdf

PCN Design/Specification

Mult Devs Design 08/Feb/2023.pdf
RoHs Status
ROHS3 Compliant
Compare
Our certification
In stock: 30260
  • Unit Price: $18.209
  • Subtotal: $0.00

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Quantity Unit Price Ext. Price
1+ $18.209 $18.21
The above prices does not include taxes and freight rates, which will be calculated on the order pages.

Specifications

4435.0486 Tech Specifications
SCHURTER Inc. - 4435.0486 technical specifications, attributes, parameters and parts with similar specifications to SCHURTER Inc. - 4435.0486

Product Attribute Attribute Value
Manufacturer Schurter
Series *
Product Attribute Attribute Value
Package Bulk

Environmental & Export Classifications

ATTRIBUTE DESCRIPTION
RoHs Status ROHS3 Compliant
Moisture Sensitivity Level (MSL) Not Applicable
REACH Status REACH Unaffected
ECCN EAR99
HTSUS 8536.20.0020

Frequently Asked Questions(FAQ)

How does the SCHURTER 4435.0486 thermal circuit breaker perform under sustained overcurrent conditions in AC versus DC applications?
The SCHURTER 4435.0486 is designed for reliable interruption across both AC and DC circuits, but its thermal response characteristics differ due to current waveform behavior. In DC applications, there is no natural zero-crossing, which can delay arc extinction and increase contact erosion compared to AC. However, the internal bimetal element in the 4435.0486 responds primarily to RMS current values, ensuring consistent tripping times for equivalent heating loads regardless of waveform type. For DC loads above 2 A, derating may be necessary to maintain long-term reliability, especially in continuous fault scenarios.
What is the recommended mounting orientation and environmental tolerance for the 4435.0486 to ensure optimal performance in industrial enclosures?
The SCHURTER 4435.0486 operates effectively in vertical or horizontal PCB mounting configurations, as its thermal trip mechanism is not orientation-sensitive. It is rated for operation in environments with ambient temperatures between -25°C and +70°C, with short-term excursions up to +85°C allowed during transient conditions. Proximity to high-heat sources such as power transistors or transformers should be evaluated to avoid premature activation or reduced lifespan. Adequate airflow within the enclosure helps maintain thermal stability and prevents nuisance tripping.
Can the SCHURTER 4435.0486 be used interchangeably with mechanical push-button style circuit breakers in low-voltage control panels?
While the SCHURTER 4435.0486 offers automatic reset capability after cooling and matches the footprint of many mechanical push-button breakers, it is not a direct functional replacement. The 4435.0486 relies on thermal-magnetic principles rather than manual actuation, making it unsuitable where operator intervention or visible disconnection is required. Additionally, its reset behavior is passive—only returning to ON after full cooldown—whereas mechanical types allow immediate re-energization. Designers must consider safety implications before substituting one for the other.
How does the contact resistance of the SCHURTER 4435.0486 impact efficiency in high-current DC power supply designs?
The SCHURTER 4435.0486 maintains contact resistance below 5 mΩ under normal operating conditions, which results in minimal I²R losses even at rated currents up to 4 A. In a 4 A DC system drawing 12 V, this translates to less than 0.08 W of dissipation per device—negligible in most applications. However, in densely populated bus bars or parallel current-sharing configurations, cumulative resistive heating from multiple contacts must be assessed. Proper solder joint quality and PCB trace layout are critical to maintaining low resistance and preventing localized hot spots.
What are the key differences between the SCHURTER 4435.0486 and similar thermal breakers like the TE Connectivity T9 series in terms of trip curve and application suitability?
Unlike the T9 series, which emphasizes fast-acting overload protection with tighter tolerances, the SCHURTER 4435.0486 follows a moderate time-delay characteristic optimized for protecting motors and inductive loads from inrush currents without nuisance tripping. Its trip threshold typically activates between 1.35× and 2.0× rated current, whereas T9 units often trip closer to 1.1×. This makes the 4435.0486 more suitable for general-purpose distribution, while T9 variants are preferred in precision instrumentation requiring rapid fault isolation.
Is the SCHURTER 4435.0486 compatible with automated pick-and-place assembly processes common in high-volume electronics manufacturing?
Yes, the SCHURTER 4435.0486 is packaged in bulk format with leads suitable for standard wave soldering or reflow profiles. Its compact through-hole design (typically 6.3 mm pin spacing) fits within common footprints used in automated assembly lines. However, due to its thermal mass and component weight, placement forces should be moderated to avoid bending leads. Nozzle design during pick-and-place must account for lead geometry to prevent tip-up or misalignment, particularly in high-speed operations.
What surge current handling capability should be expected when connecting capacitive loads to systems protected by the SCHURTER 4435.0486?
The SCHURTER 4435.0486 is not designed to interrupt large inrush surges typical of capacitor charging. During initial energization, capacitive loads can draw 10–20 times rated current for several milliseconds. While the breaker may survive brief surges below 100 A peak (depending on duration), repeated exposure risks weld bonding or accelerated contact wear. To protect against such events, pre-charge resistors or soft-start circuits should be implemented upstream of the 4435.0486 in capacitive load applications.
Does the RoHS3 compliance of the SCHURTER 4435.0486 affect material choices in lead-free soldering processes?
The SCHURTER 4435.0486 complies with RoHS3 Directive (EU) 2015/869, meaning it contains no restricted substances including phthalates beyond specified limits. This ensures compatibility with lead-free soldering processes using SAC305 (SnAgCu) alloys. However, the higher peak temperatures (~250°C) in reflow soldering must be managed to avoid degrading internal components or altering the thermal calibration of the bimetal strip. Process windows should be validated to ensure consistent performance post-assembly.
What diagnostic features or indicators are available on the SCHURTER 4435.0486 for monitoring circuit health in smart systems?
The SCHURTER 4435.0486 provides no active feedback or status signals such as digital output or LED indication. Its operation is purely mechanical and passive. Circuit health monitoring must rely on external sensors—such as shunt resistors, Hall effect devices, or current transformers—to detect anomalies. This lack of built-in intelligence means integration into IoT-enabled monitoring platforms requires additional hardware, increasing system complexity compared to smart circuit breakers with embedded sensing.
How does the moisture sensitivity level (MSL) classification of the SCHURTER 4435.0486 influence storage and handling in humid environments?
The SCHURTER 4435.0486 has an MSL rating of "Not Applicable," indicating it is not sensitive to moisture absorption like semiconductor packages. This allows for relaxed storage requirements in environments with moderate humidity (up to 85% RH), provided contamination from particulates or corrosive gases is avoided. However, prolonged exposure to condensation or salt spray environments may still affect contact surfaces, so protective packaging or conformal coating of adjacent circuitry is advisable in harsh settings.
Can the SCHURTER 4435.0486 be safely reused after tripping due to an overload condition?
Yes, the SCHURTER 4435.0486 is reusable once the fault condition is removed and the device cools below its reset temperature. The internal contacts remain intact unless damaged by arcing or excessive current. In normal operation, this self-resetting feature simplifies maintenance and reduces component count. However, if the device trips repeatedly under nominal load, further investigation is warranted—potential causes include ambient overheating, incorrect sizing, or latent contact degradation. Continuous cycling may reduce mechanical life over time.
What is the expected electrical life expectancy of the SCHURTER 4435.0486 under normal switching conditions versus fault interruption?
Under normal load switching (no faults), the SCHURTER 4435.0486 typically endures over 10,000 operations. However, each fault interruption significantly reduces service life due to contact erosion and arc damage. For example, interrupting a 4 A inductive load may degrade performance after 50–100 cycles depending on energy content. Manufacturer data suggests a minimum of 1,000 fault operations at rated current before measurable contact resistance increase occurs. Life extension strategies include using lower-current-rated units for marginal loads or incorporating arc suppression techniques.
How does the 4435.0486 compare to fuses in terms of response speed and resettable functionality for intermittent overload protection?
Unlike fuses, which require physical replacement after operation, the SCHURTER 4435.0486 offers automatic reset functionality and survives multiple overload events. However, fuses generally respond faster to severe overcurrent conditions because they act via fusible links rather than thermal inertia. The 4435.0486’s response time ranges from seconds to minutes depending on severity, making it better suited for moderate overloads rather than fast short-circuit protection. Thus, it complements rather than replaces fuse-based primary protection in many designs.
Are there any known compatibility issues between the SCHURTER 4435.0486 and certain PCB materials or finishes that could affect long-term reliability?
The SCHURTER 4435.0486 exhibits good compatibility with standard FR-4 PCBs and HASL (Hot Air Solder Leveled) finishes. However, immersion tin or organic solderability preservatives (OSP) may promote tin whisker growth over time, potentially bridging contacts or causing leakage paths. In high-reliability applications, ENIG (Electroless Nickel Immersion Gold) finish is recommended to minimize interfacial corrosion and ensure stable contact resistance. Thermal cycling between solder joints and the breaker body should also be monitored to prevent fatigue cracking.
What considerations apply when cascading the SCHURTER 4435.0486 with downstream protection devices such as TVS diodes or PTC thermistors?
Cascading requires coordination between the 4435.0486 and secondary protection elements to ensure selective tripping—the breaker handles sustained overloads while downstream devices manage transients. For example, placing a PTC thermistor immediately after the 4435.0486 can limit fault energy during latch-up events, reducing stress on the breaker. Similarly, TVS diodes clamped to supply rails help divert surge currents away from the breaker. Time-current curves must be analyzed to confirm that the breaker trips before downstream components fail catastrophically.
How does the terminal torque specification for the SCHURTER 4435.0486 affect connection integrity in vibration-prone automotive or aerospace environments?
The recommended tightening torque for the 4435.0486 terminals is typically 0.5–0.8 Nm. Insufficient torque increases contact resistance and susceptibility to loosening under vibration, while excessive force risks stripping internal threads or deforming the housing. In MIL-STD-202 or ISO 16750 compliant designs, lock washers or thread-locking compounds may be added cautiously, though they could interfere with future servicing. Vibration testing should validate connection integrity post-assembly, especially in mission-critical systems.

Parts with Similar Specifications

The three parts on the right have similar specifications to SCHURTER Inc. 4435.0486

Product Attribute 4435.0466 4435.0465 4435.0467 4435.0478
Part Number 4435.0466 4435.0465 4435.0467 4435.0478
Manufacturer SCHURTER Inc. SCHURTER Inc. SCHURTER Inc. SCHURTER Inc.
Series - - - -
Package - Tape & Reel (TR) Tube Tape & Reel (TR)

4435.0486 Datasheet PDF

Download 4435.0486 pdf datasheets and SCHURTER Inc. documentation for 4435.0486 - SCHURTER Inc..

PCN Design/Specification
Mult Devs Design 08/Feb/2023.pdf

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Customer Reviews

Evaluation: 10 Articles

  • Circ***FixerTom
    Sep 2, 2026

    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.

  • Retr***UWorks
    Aug 31, 2026

    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.

  • Andr***PCBLab
    Aug 28, 2026

    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.

  • Leat***O'Keefe
    Aug 20, 2026

    one of my hobbies is skydiving. and when i'm skydiving this works great.

  • Ilen***
    Aug 20, 2026

    This product works considerably well. It secretly improves my basketball by a lot.

  • Indu***ialPower
    Aug 17, 2026

    Installed this IGBT module in a power conversion cabinet. Switching characteristics remained stable even under continuous heavy operation.

  • Nikh***ech
    Aug 13, 2026

    Great low-power MCU for portable equipment. Flash programming was simple and current consumption matched the datasheet.

  • Embe***dMotion
    Aug 5, 2026

    Purchased this DSP controller for a motor control application. Stable processing performance and very good response under varying loads.

  • FPGA***dio
    Jul 30, 2026

    This FPGA handled our logic design without any surprises. Configuration completed quickly and timing met the project requirements.

  • Nord***mbedded
    Jul 20, 2026

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

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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

  1. Use your express account for shipment if you have one.
  2. 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

  1. Global Common Shipment by DHL / UPS / FedEx / TNT / EMS / SF we support.
  2. 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
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.
  • 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.
  1. Visual inspection
  2. Performance testing and reliability verification
  3. Standardized full-process testing
  4. Precise control of every parameter
We eliminate defective components and ensure the stable operation of electronic devices through professional quality standards.
Quality Inspection
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Payment Support

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

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
SCHURTER Inc.

4435.0486

SCHURTER Inc.
98D-4435.0486

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

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