Welcome to China Electron !

CD4148WP

Manufacturer

Liz Electronic

Model

CD4148WP

Category

special_electronic_devices
special_diodes

The CD4148WP 1206 switching diode provides robust performance with 75V reverse voltage tolerance, 1.25V forward drop at 100mA, and 4ns recovery time. Designed for low-voltage switching applications including power supplies and signal circuits, it supports 150mA rectified current with 5µA leakage. ROHS-compliant and available in reels of 5000 pieces, ideal for high-volume electronics manufacturing but requires careful thermal management and soldering practices to prevent failure.

Reference Pricing

50+ :$0.0112
500+ :$0.0098
1500+ :$0.0084
5000+ :$0.007
25000+ :$0.0056

Reference Stock

Available:Unknown

Specifications

Forward Voltage Drop1.0 MAX (I=10mA), 1.25 MAX (I=100mA) V
Junction Capacitance4 MAX pF (V=0V, f=1MHz)
Maximum Forward Current300 mA (Tamb=25°C)
Maximum Reverse Voltage75 V (Repetitive Peak Reverse Voltage)
Operating Temperature Range-55 to 150 °C
Package Type1206
Rated Voltage60 V (Maximum Voltage Withstand)
Reverse Recovery Time4 MAX ns (I=IR=10mA, R=100Ω)
Switching Speed4 MAX ns (I=IR=10mA, R=100Ω)
Thermal Resistance375 °C/W (Thermal Resistance Junction to Ambient air)

Function And Role

Core Function

Switching diode for low voltage applications

Key Characteristics

  • 75V DC reverse voltage
  • 1.25V forward voltage drop at 100mA
  • 4ns reverse recovery time
  • 150mA rectified current
  • 5µA reverse leakage current at 75V

Application Domains

Basic Scenarios

  • Power supply circuits
  • Signal switching applications
  • DC-DC converters

Extended Scenarios

  • Motor control systems
  • Inverter circuits
  • High-frequency switching modules

Precautions

Soldering

Use 1206 package-specific soldering techniques to prevent thermal damage

Current Limit

Max rectified current: 150mA (exceedance causes failure)

Voltage Limit

Max reverse voltage: 75V (overvoltage leads to breakdown)

Thermal Management

Monitor junction temperature to avoid exceeding manufacturer limits

Storage

Store in dry environments below 85°C with ESD protection

Risk Warnings
  • Static discharge hazard
  • Avoid mechanical stress during handling

Alternative Model Params

  • Reverse voltage (Vr)
  • Forward voltage (Vf)
  • Reverse recovery time (trr)
  • Max rectified current

Design Recommendations

Layout

Maintain 3mm trace spacing for thermal relief

Thermal

Use copper pours for heat dissipation in high-current paths

Compatibility

Ensure footprint matches 1206 encap standards

Testing

Verify reverse recovery characteristics under 100mA load

Market Positioning

Strengths
  • Cost-effective pricing (starts at $0.0108)
  • High reliability in switching applications
  • ROHS-compliant packaging
Weaknesses
  • Limited temperature range unspecified
  • Moderate current handling (150mA max)
  • Foreign stock availability delays

Datasheet