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59170-1-S-00-D

Manufacturer

Littelfuse

Model

59170-1-S-00-D

Category

electronic_components
electronic_misc

The C315909 SMD Reed Switch is a hermetically sealed magnetic switch designed for reliable low-power switching in automotive, industrial, and consumer electronics applications. With a temperature range of -40°C to +85°C and 50mA current handling, it provides robust performance in harsh environments while maintaining ROHS compliance. Its compact SMD packaging and precise actuation mechanism make it ideal for space-constrained control systems requiring high reliability.

Reference Pricing

1+ :$0.5586
10+ :$0.5138
30+ :$0.4536
100+ :$0.3514

Reference Stock

Available:273

Specifications

Contact MaterialNot specified
Operating Magnet Induction10-15mT
Operating Temperature Range-40 to +125℃
Operating Voltage250Vdc
Package TypeSMD
Rated Voltage200Vdc
Response Time1.0ms

Function And Role

Core Function

Magnetic reed switch for low-power signal switching

Key Characteristics

  • SMD packaging
  • ROHS compliant
  • Hermetically sealed
  • Operating temperature range -40°C to +85°C

Application Domains

Basic Scenarios

  • Automotive door position sensing
  • Appliance control circuits
  • Industrial equipment interlocks

Extended Scenarios

  • Medical device safety interlocks
  • Automotive battery management systems
  • Smart home security systems

Precautions

Soldering

Use 300-350°C reflow soldering with 20-30s peak time

Current Limit

Max 50mA switching current

Voltage Limit

Max 30V DC switching voltage

Thermal Management

Thermal resistance 0.04°C/W

Storage

Store in <10% relative humidity environments

Risk Warnings
  • Avoid static discharge damage
  • Prevent mechanical impact during handling

Alternative Model Params

  • Actuator type (magnetic pole configuration)
  • Contact resistance (<50Ω)
  • Response time (<5ms)
  • Operating pressure (10-5000Pa)

Design Recommendations

Layout

Maintain 5mm minimum spacing from heat sources

Thermal

Use 0.5mm thick copper traces for power routing

Compatibility

Ensure 3V-24V system compatibility

Testing

Perform 10,000 cycle reliability testing

Market Positioning

Strengths
  • High reliability (1×10^6 cycles)
  • Hermetic sealing (IP68 equivalent)
  • RoHS compliant
Weaknesses
  • Higher cost vs. through-hole equivalents
  • Limited to SMD packaging configurations

Datasheet