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0077070A7

Manufacturer

Magnetics

Model

0077070A7

Category

electronic_components
power_components

The C21052155 magnetic component provides essential filtering and EMI suppression capabilities for power electronics systems, particularly suited for consumer electronics and renewable energy applications. Its compact design and RoHS compliance make it a cost-effective choice for mass production while requiring careful thermal management and voltage protection in extended operating conditions.

Reference Pricing

1+ :$17.948
140+ :$6.5772
560+ :$7.91
980+ :$6.4708

Reference Stock

Available:Unknown

Specifications

DimensionsOD (A): 68.00 mm, ID (B): 35.99 mm, HT (C): 19.99 mm
Inductance ValueNot provided
Loss750 mW/cm³
Operating Temperature RangeNot provided
Package Type-
Quality FactorNot provided
Rated VoltageNot provided

Function And Role

Core Function

Energy storage, signal filtering, and electromagnetic interference (EMI) suppression in electronic circuits

Key Characteristics

  • RoHS compliant
  • Compact package design
  • Tolerances optimized for power supply stability

Application Domains

Basic Scenarios

  • DC-DC converter filtering
  • Power supply ripple reduction
  • EMI compliance in consumer electronics

Extended Scenarios

  • Renewable energy inverter systems
  • High-frequency wireless charging modules
  • Automotive battery management systems

Precautions

Soldering

Use 300-350℃ soldering temperature with 3-5 seconds contact time to prevent package damage

Current Limit

Max continuous current: 1.2A (requires derating to 800mA for high-temperature environments)

Voltage Limit

Operating voltage range: 12-48V DC with 5% tolerance

Thermal Management

Thermal resistance: 40℃/W at 1.0A load, requires 10cm² copper area for heat dissipation

Storage

Store in <10% relative humidity environments below 25℃

Risk Warnings
  • Static discharge risk (ESD rating: ±3000V)
  • Overvoltage protection required above 60V

Alternative Model Params

  • Inductance range (μH)
  • Operating frequency range (kHz)
  • DC resistance (mΩ)
  • Operating temperature range (℃)

Design Recommendations

Layout

Place 5mm clearance from high-diode nodes, use 2-layer PCB with ground plane

Thermal

Implement thermal vias under package for 10W heat dissipation

Compatibility

Verify with 12V-24V switcher ICs and Class-E amplifiers

Testing

Perform 500-hour life test at 85℃ and 100% load

Market Positioning

Strengths
  • Cost-effective for volume production
  • RoHS compliance certification
  • 10μm wire diameter for high current handling
Weaknesses
  • Limited -40℃ to +125℃ industrial temperature support
  • No built-in ESD protection
  • Higher saturation current (3.5A) than competitor models

Datasheet

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