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Electronic Components, Accessories & Telecommunications
Discrete Semiconductors
Diodes
  • 4148 Zener Diode
  • 4148 Zener Diode
  • 4148 Zener Diode
  • 4148 Zener Diode
  • 4148 Zener Diode
  • 4148 Zener Diode
4148 Zener Diode

4148 Zener Diode

$0.00-$0.01/ Piece|5000 Piece/Pieces(Min. Order)
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4148 Zener Diode

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Voltage Regulation: The 4148 Zener Diode is designed to regulate voltage by maintaining a constant output voltage despite fluctuations in input, making it ideal for stabilizing power supplies.
  • Reverse Polarity Protection: The diodes protect circuits from damage caused by incorrect voltage polarity or overvoltage scenarios, ensuring safe operation in electronic systems.

Key features

  • 1. Corrosion-Resistant Material Technology

    • With corrosion-resistant red plastic encapsulation, protect against environmental damage such as moisture and mechanical stress, offering better durability than non-encapsulated diodes*. The tin-based metal leads ensure reliable soldering and conductivity, simplifying circuit integration.

  • 2. User-Friendly Interactive Design

    • With through-hole mounting, easily integrate into prototyping and repair projects compared to surface-mount components*, enabling manual assembly without specialized equipment. The grid-like packaging enhances organization and accessibility during handling.

  • 3. Precision Voltage Regulation

    • With precise Zener voltage regulation, ensure stable operation in circuits with fluctuating input voltages, reducing the risk of component failure. Ideal for applications requiring reliable clamping of reverse breakdown voltage (e.g., 3.3V for common 4148 variants).

  • 4. Versatile Scenario Solutions

    • Ideal for voltage clamping in electronics, preventing overvoltage damage in home appliances or commercial systems. The through-hole design suits both small-scale prototyping and bulk assembly in industrial applications.

  • 5. Compliance with Safety Standards

    • Complies with RoHS and UL certification standards, ensuring eco-friendly materials and safety compliance for global electronics manufacturing.

Product details

4148 Zener Diode

The 4148 Zener Diode is a through-hole mounted semiconductor device designed for precise voltage regulation and protection in electronic circuits. Encapsulated in durable red plastic with tin alloy leads, it offers robust environmental resistance and ease of soldering. Its grid-pattern packaging streamlines integration into PCB designs, while its zener characteristics enable reliable reverse breakdown voltage stabilization.

Technical specifications

FeatureSpecificationApplication Scenario
MaterialRed plastic encapsulation, tin alloy leadsProtection against moisture/mechanical stress
Mounting TypeThrough-holePCB assembly requiring secure mechanical attachment
PackagingGrid-patterned trayBulk SMT or manual component placement
Electrical ProtectionReverse polarity/overvoltage blockingPower supply protection, voltage clamping
Zener Voltage4.7V nominal (±5%)Low-voltage reference circuits

Customization guide

Adjustable parameters include:

  • Lead length for customized PCB spacing requirements
  • Material plating (e.g., gold/tin) for specialized corrosion resistance
  • Packaging quantity to match project scale (e.g., 25/50/100 units per pack)

Get inspired

From prototyping to industrial applications, the 4148 Zener Diode provides a reliable foundation for voltage regulation. Its through-hole design simplifies manual assembly, while its compact grid packaging ensures efficient storage and deployment in high-volume production.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Zener Voltage Stability±5% tolerance±3% tolerance (+40%)±2% tolerance (+100%)*
Power Dissipation500mW650mW (+30%)1W (+100%)
Operating Temp Range-55°C to +150°C-65°C to +175°C-70°C to +200°C

Supplier's note

  1. Technical Breakthroughs:

    • The Pro Model’s ±2% voltage stability (vs. industry standard ±5%) ensures precision in medical or aerospace systems.
    • Advanced Model’s 650mW dissipation enables use in high-current automotive circuits.
    • All models feature tin alloy leads, reducing soldering defects by 20% compared to leaded alternatives.

  2. Version Selection Guide:

    • Base Model: Ideal for hobbyists or low-power consumer electronics (e.g., LED drivers).
    • Advanced Model: Suited for industrial control systems requiring wider temperature tolerance (-65°C to +175°C).
    • Pro Model: Best for mission-critical applications like avionics, where ±2% voltage accuracy prevents system failures.

*Pro Model’s 1W dissipation exceeds industry benchmarks by 33%, enabling use in high-temperature server cooling systems.

Frequently asked questions

  • Which Zener diode is best for through-hole mounting in electronics projects?

  • How do I clean and store 4148 Zener diodes to prevent corrosion?

  • What are the advantages of red plastic encapsulation over other materials for Zener diodes?

  • Can I customize the packaging of 4148 Zener diodes for bulk orders?

  • Is the 4148 Zener Diode certified for voltage regulation in sensitive circuits?

  • How does the 4148 Zener Diode handle overvoltage scenarios in circuits?

  • What makes the 4148 Zener Diode suitable for prototyping vs mass production?

  • Do the metal leads of the 4148 Zener Diode require any special handling during installation?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Zener DiodeVoltage regulation, overvoltage protectionBreakdown Voltage: 9.1V (Industry: 8V–10V) ▲10% (Advanced: 9.5V)
Power Rating: 500mW (IEC 60747-17)		Stable voltage reference, reverse polarity protection.Higher power dissipation compared to Schottky diodes.
Schottky DiodeHigh-speed switching, RF applicationsForward Voltage: 0.3V (Industry: 0.15–0.45V) ▲15% (Advanced: 0.28V)
Reverse Recovery Time: 1ns (JEDEC JESD22-B103)		Low forward voltage drop, ultra-fast switching.Lower reverse voltage capability (≤50V typical).
Rectifier DiodePower supply rectificationPIV: 1000V (Industry: 500–1500V) ▲20% (Advanced: 1200V)
Forward Current: 1A (IEC 60747-2)		High power handling for AC/DC conversion.Higher forward voltage drop (1.2V), slower response.
Signal DiodeSignal processing, clipping circuitsLeakage Current: 1nA (Industry: 5nA) ▲80% (Advanced: 0.5nA)
Response Time: 10ns (MIL-STD-883)		Ultra-low leakage, precise signal integrity.Limited power capacity (50mW max).
LED DiodeLighting, indicatorsLuminous Intensity: 500mcd (Industry: 200–800mcd) ▲25% (Advanced: 625mcd)
Forward Voltage: 2V (IEC 60810)		Energy-efficient, long lifespan (50,000 hours).Requires current-limiting resistors to prevent burnout.
PhotodiodeLight detection, fiber opticsResponsivity: 0.5A/W (Industry: 0.3–0.7A/W) ▲33% (Advanced: 0.65A/W)
Rise Time: 1ns (IEC 60479-5)		High sensitivity to light, fast response.Requires external biasing and amplification circuits.

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