Electronic fast switching diode LangJie LL4148 with mini MELF glass case providing high stability and performance
Key Attributes
Model Number:
LL4148
Product Custom Attributes
Reverse Leakage Current (Ir):
5uA
Non-Repetitive Peak Forward Surge Current:
2A
Reverse Recovery Time (trr):
4ns
Voltage - DC Reverse (Vr) (Max):
75V
Pd - Power Dissipation:
500mW
Voltage - Forward(Vf@If):
1V@5mA
Current - Rectified:
150mA
Mfr. Part #:
LL4148
Package:
LL34
Product Description
Product Overview
The LL4148/LL4448 is a fast switching diode designed for high reliability and stability. It features a glass case, color band denoting the cathode end, and is suitable for any mounting position. Key advantages include its fast switching speed (TRR < 4.0 nS), high power dissipation of 500mW, low reverse leakage, and high stability. This device is ideal for various electronic applications requiring efficient and dependable diode performance.
Product Attributes
- Brand: CHANGZHOU LANGJIE ELECTRONIC CO.,LTD
- Origin: ELECTRONIC CHANGZHOU LANGJIE ELECTRONIC CO.,LTD
- Case: MINI MELF Glass Case
- Polarity: Color band denotes cathode end
- Mounting Position: Any
Technical Specifications
| Parameter | Symbol | LL4148/LL4448 | Unit | Test Condition |
| Reverse Voltage | VR | 75 | V | |
| Peak Reverse Voltage | VRM | 100 | V | |
| Power Dissipation | Pd | 500 | mW | Valid provided that electrodes are kept at ambient temperature. |
| Operating junction temperature | Tj | 175 | C | |
| Storage temperature range | Ts | -65-+200 | C | |
| Working Inverse Voltage | WIV | 75 | V | |
| Average Rectified Current | IO | 150 | mA | |
| Non-repetitive Peak Forward Current | IFM | 450 | mA | @tp=1s; TA=25C |
| Peak Forward Surge Current | IFSM | 2.0 | A | @tp=1s; TA=25C |
| Breakdown Voltage | BV | 100 | V | IR=100uA |
| Reverse Leakage Current | IR | 5 | uA | VR=75V, Tj=100 |
| Forward Voltage | VF | 0.72 | V | IF=10mA, Tj=25 |
| Reverse Recovery Time | TRR | 4.0 | nS | IF=10mA, IR=1.0mA, RL=100, IRR=1mA |
| Capacitance | C | 4 | pF | VR=0V, f=1MHz |
Dimensions
MINI MELF
| Inches | (mm) | |
| Length | 0.146 - 0.130 | (3.7 - 3.3) |
| Diameter | 0.063 - 0.055 | (1.6 - 1.4) |
| Lead Diameter | 0.020 - 0.012 | (0.5 - 0.3) |
2410121951_LangJie-LL4148_C7544981.pdf
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