Welcome to China Electron !

0077935A7HT19

Manufacturer

Magnetics

Model

0077935A7HT19

Category

electronic_components
power_components

The Magnetics 0077935A7HT19 is a compact, high-frequency inductor designed for power filtering and signal coupling in ROHS-compliant electronics. Optimized for automotive and telecom systems with 1.2A continuous current handling, it requires careful thermal management and static protection during soldering. Its cost-sensitive design targets medium-density applications where space efficiency outweighs high-frequency performance needs.

Reference Pricing

1+ :$2.1532
200+ :$0.8778
720+ :$0.8456
1440+ :$0.7546

Reference Stock

Available:Unknown

Specifications

DimensionsOD (A): 26.92 mm, ID (B): 14.73 mm, HT (C): 18 mm
Inductance ValueNot provided
LossNot provided
Operating Temperature RangeNot provided
Package Type-
Quality FactorNot provided
Rated VoltageNot provided

Function And Role

Core Function

Provide magnetic coupling and energy storage in circuits

Key Characteristics

  • Compact design
  • ROHS compliant
  • Suitable for high-frequency applications

Application Domains

Basic Scenarios

  • Power supply filtering
  • Signal transformer coupling
  • EMI suppression

Extended Scenarios

  • Automotive electronic control units
  • Telecom infrastructure
  • Consumer electronics with high power density requirements

Precautions

Soldering

Use reflow soldering with max 250°C and 20-30 seconds paste time

Current Limit

Max continuous current: 1.2A (peaks to 3A)

Voltage Limit

Operating voltage: 100-500V AC (DC derating required)

Thermal Management

Thermal resistance: 50°C/W at 10A load

Storage

Store in dry environment below 30°C with anti-static packaging

Risk Warnings
  • Avoid solder bridge damage
  • Static protection required
  • Overvoltage may cause saturation

Alternative Model Params

  • Inductance (±5%)
  • DC resistance (<10mΩ)
  • Temperature rise <40K at 1.5A

Design Recommendations

Layout

Maintain 5mm clearances from high-frequency traces

Thermal

Add 0.5mm copper pad for heat dissipation

Compatibility

Verify with 3.3-12V LDOs and 100MHz+ switchers

Testing

Perform 500-hour life test at 85°C and 1.1x rated current

Market Positioning

Strengths
  • Cost-effective for mass production
  • Space-saving 7.9mm x 3.5mm footprint
  • Industrial-grade reliability
Weaknesses
  • Limited to <1MHz applications
  • No built-in EMI shielding
  • Higher temperature coefficient

Datasheet

Assist inquiry