LL4148
LL4148 is a switching diode in LL-34 package, designed for fast switching applications with compact size and reliable performance.
Product Overview
LL4148 is a switching diode in LL-34 package, designed for fast switching applications with compact size and reliable performance.
Specifications
Key electrical, package, and sourcing parameters for quick engineering review.
| Part Number | LL4148 |
| Brand | CNCHIPDEPOT |
| Package | LL-34 |
| part_number | LL4148 |
| component_type | Switching Diode |
| package_specification | LL-34 Glass SMD |
| repetitive_peak_reverse_voltage_Vrrm | 75 V |
| average_forward_rectified_current_If | 200 mA |
| forward_voltage_drop_Vf | ≤ 1.0 V @ 100 mA Forward Current |
| reverse_recovery_time_trr | 4 ns |
| reverse_leakage_current_Ir | ≤ 25 nA @ 75 V Reverse Bias |
| max_allowable_power_dissipation_Pd | 500 mW |
| operating_temperature_range | -65 °C to +175 °C |
| Product Type | switching diode |
Cross Reference & Replacement Information
The following part numbers are commonly reviewed for replacement or compatibility matching. Always verify datasheet, package, pinout, and operating conditions before bulk purchase.
| Target Brand | Target MPN | Replace Type | Notes |
|---|---|---|---|
| STMicroelectronics | 1N4148LL | Cross Reference | LL-34 package, check maximum reverse voltage and forward current. |
| Diodes Incorporated | 1N4148W | Possible Replacement | LL-34 package, ensure operating temperature range matches. |
| ON Semiconductor | 1N4148WS | Direct Replacement | Same electrical characteristics, LL-34 package. |
| Samsung Electro-Mechanics | SD143 | Compatible Alternative | LL-34 package, verify switching speed and leakage current. |
Datasheet
Download the datasheet or contact us for additional technical information.
Contact us for technical details and replacement review support.
Typical Applications
Suitable for electronic product design, sourcing, replacement review, and BOM matching projects.
Ordering & RFQ Information
- MOQ: Contact sales
- Lead Time: 3–7 working days for stock items
- Packaging: Reel / Tube / Tray depending on package
- Sample Availability: Available on request
- Mass Production Status: 50K+ pcs Stock / Mass Production
FAQ
Can this part replace my current model?
It may be suitable depending on your circuit requirements. Please verify datasheet, package, pinout, and test samples before bulk orders.
Can I request samples?
Yes. Please submit your RFQ with target quantity and application details.
Need this part or a compatible replacement?
Send us your target part number, BOM list, quantity, and technical requirements. CNCHIPDEPOT can help review replacement options and provide RFQ support.
Submit RFQ