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0034.3770

Manufacturer

SCHURTER

Model

0034.3770

Category

protection_devices
fuses

The 35A Glass Tube Fuse 400mA 250V (C3165295) provides reliable overcurrent protection for AC systems in automotive and industrial applications. Its disposable design ensures easy replacement while maintaining 35A interrupt capacity and 250V AC compatibility. Key features include glass tube construction for visual status monitoring, 400mA current rating for precise protection, and thermal management requiring 50mm heat clearance. Proper soldering techniques (≤220℃/10s) and storage in controlled environments are critical. Alternative models require matching interrupt rating, voltage range, and glass tube dimensions. Engineers should prioritize thermal layout considerations and AC system compatibility in designs.

Reference Pricing

1+ :$1.841
200+ :$0.6818
500+ :$0.6412
1000+ :$0.5642

Reference Stock

Available:Unknown

Specifications

Break TimeNot provided
ColorNot provided
DimensionsNot provided
Melting CharacteristicTime-Lag T
Operating Temperature Range-40°C to 85°C
Package Type-
Rated Current0.4A
Rated Voltage250VAC

Function And Role

Core Function

Circuit protection through fuse mechanism

Key Characteristics

  • 35A interrupt rating
  • 400mA current rating
  • 250V AC voltage rating
  • Glass tube construction
  • Disposable design

Application Domains

Basic Scenarios

  • Low-voltage circuit protection
  • Overcurrent protection in AC systems

Extended Scenarios

  • Automotive electrical systems
  • Industrial equipment safety
  • Consumer electronics with AC power inputs

Precautions

Soldering

Avoid prolonged heat exposure (>220℃) to prevent glass tube fracture

Current Limit

Max continuous current: 35A

Voltage Limit

Max AC voltage: 250V

Thermal Management

Thermal dissipation requires 50mm clearance from heat sources

Storage

Store in controlled environment (15-25℃/30-60% RH) in original packaging

Risk Warnings
  • Not suitable for DC applications
  • Avoid mechanical stress during handling
  • Replace immediately after arc exposure

Alternative Model Params

  • Interrupt rating (35A±5%)
  • Voltage compatibility (200-300V AC range)
  • Current tolerance (400mA±10%)
  • Glass tube diameter (Φ8±0.5mm)

Design Recommendations

Layout

Maintain 10mm spacing from adjacent components

Thermal

Use thermal vias for heat dissipation in PCB designs

Compatibility

Ensure AC system isolation ≥2500V

Testing

Perform 5000-cycle endurance testing under 85℃ ambient

Market Positioning

Strengths
  • ROHS compliant material certification
  • High reliability in disposable fuse category
  • 400mA/250V dual rating flexibility
Weaknesses
  • Limited DC application support
  • Moderate pricing compared to ceramic fuses
  • Minimum order quantity (1000 units)

Datasheet

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