stable Changzhou Starsea Elec LL4148 diode designed for fast switching and low reverse leakage current
Key Attributes
Model Number:
LL4148
Product Custom Attributes
Non-Repetitive Peak Forward Surge Current:
2A
Reverse Leakage Current (Ir):
5uA@75V
Reverse Recovery Time (trr):
4ns
Operating Junction Temperature Range:
-
Voltage - DC Reverse (Vr) (Max):
100V
Diode Configuration:
-
Pd - Power Dissipation:
500mW
Voltage - Forward(Vf@If):
1V@10mA
Current - Rectified:
150mA
Mfr. Part #:
LL4148
Package:
LL-34
Product Description
Product Overview
The LL4148/LL4448 are fast switching diodes designed for high reliability and stability. These devices offer low reverse leakage and a fast switching speed with a Trr of less than 4.0 nS. They are suitable for general-purpose switching applications and are capable of handling a power dissipation of 500mW.
Product Attributes
- Case: MINI MELF Glass Case
- Polarity: Color band denotes cathode end
- Mounting Position: Any
Technical Specifications
| Model | Parameter | Test Condition | Symbol | Value | Unit |
|---|---|---|---|---|---|
| LL4148/LL4448 | Reverse Voltage | VR | 75 | V | |
| Peak Reverse Voltage | VRM | 100 | V | ||
| Power Dissipation | Pd | 500 | mW | ||
| Operating junction temperature | Tj | 175 | |||
| Storage temperature range | Ts | -65-+200 | |||
| Working Inverse Voltage | WIV | 75 | V | ||
| Average Rectified Current | IO | 150 | mA | ||
| Non-repetitive Peak Forward Current | IFM | 450 | mA | ||
| Peak Forward Surge Current @tp=1s; TA=25 | IFSM | 2.0 | A | ||
| Breakdown Voltage | IR=100uA | BV | 100 | V | |
| Breakdown Voltage | IR=5uA | BV | 75 | V | |
| Electrical Characteristics (Ratings at 25 ambient temperature unless otherwise specified.) | Reverse Leakage Current | VR=20V | IR | 25 | nA |
| Reverse Leakage Current | VR=75 | IR | 5 | uA | |
| Forward Voltage | LL4448 IF=5mA | VF | 0.62 - 0.72 | V | |
| Forward Voltage | LL4148 IF=10mA | VF | 1 | V | |
| Forward Voltage | LL4448 IF=100mA | VF | 1 | V | |
| Reverse Recovery Time | IF= 10mA, IR=1.0mA RL=100 | TRR | 4 | nS | |
| Capacitance | VR=0V, f=1MHZ | C | 4 | pF |
Mechanical Data
Dimensions in inches and (millimeters)
| Dimension | Value (inches) | Value (mm) |
|---|---|---|
| Length | 0.146 | 3.7 |
| Diameter | 0.063 | 1.6 |
| Lead Diameter | 0.020 | 0.5 |
1810181813_Changzhou-Starsea-Elec-LL4148_C84062.pdf
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