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0154001.DRT

Manufacturer

Littelfuse

Model

0154001.DRT

Category

protection_devices
fuses

The C206909 is a 50A SMD fuse with integrated holder optimized for overcurrent protection in compact electronics. Key specifications include 1A current rating, 125V AC/DC voltage handling, and -55°C to +125°C operation. Ideal for consumer devices, automotive systems, and industrial controls where space efficiency and reliability are critical. Requires proper soldering techniques and thermal management to maintain performance. Current pricing starts at $1.38/piece with volume discounts available.

Reference Pricing

1+ :$1.4028
10+ :$1.1466
30+ :$0.854
100+ :$0.8736
500+ :$0.7294
1500+ :$0.7168

Reference Stock

Available:2653

Specifications

colorNot specified
dimensionNot specified
fusing characteristicNot specified
interrupting timeNot specified
operating temperature range-55°C to 125°C
package typeNot specified
rated current1A
rated voltageNot specified

Function And Role

Core Function

Overcurrent protection in circuitry

Key Characteristics

  • 50A interrupt rating
  • 1A current rating
  • 125V AC/DC voltage rating
  • SMD packaging with integrated holder
  • Operating temperature range: -55°C to +125°C

Application Domains

Basic Scenarios

  • Consumer electronics power protection
  • Automotive circuit protection
  • Industrial control systems

Extended Scenarios

  • Renewable energy inverter systems
  • Medical device power management
  • Telecom infrastructure backplanes

Precautions

Soldering

Use reflow soldering with 3-5 minute peak temperature

Current Limit

Max continuous current: 1A

Voltage Limit

Max system voltage: 125V AC/DC

Thermal Management

Thermal resistance: 150°C/W

Storage

Store in <10% relative humidity environments

Risk Warnings
  • Avoid static discharge damage
  • Do not exceed 125V operating voltage
  • Not suitable for high-frequency switching circuits

Alternative Model Params

  • Interrupt rating (50A±5%)
  • Current rating (1A±10%)
  • Voltage rating (125V±5%)
  • Package dimensions (9.7x5mm±0.2mm)
  • Operating temperature (-55°C to +125°C)

Design Recommendations

Layout

Maintain 3mm trace spacing above 2A

Thermal

Use copper pour areas >10mm² for heat dissipation

Compatibility

Verify with 0201-0402 footprint alternatives

Testing

Test at 1.5x rated current for 1000 hours

Market Positioning

Strengths
  • High reliability (UL 248-14 certified)
  • Compact footprint (9.7x5mm)
  • RoHS compliant
  • Immediate availability (13 in stock)
Weaknesses
  • Higher cost vs through-hole equivalents
  • Limited to 125V systems
  • No polarized variants

Datasheet