Part Details for LL4148 by Fairchild Semiconductor Corporation
Results Overview of LL4148 by Fairchild Semiconductor Corporation
- Distributor Offerings: (16 listings)
 - Number of FFF Equivalents: (0 replacements)
 - Tariff Estimator: (Available) NEW
 - Number of Functional Equivalents: (4 options)
 - CAD Models: (Request Part)
 - Part Data Attributes: (Available)
 - Reference Designs: (Not Available)
 
Tip: Data for a part may vary between manufacturers. You can filter for manufacturers on the top of the page next to the part image and part number.
LL4148 Information
                            LL4148 by Fairchild Semiconductor Corporation is a Rectifier Diode.
                            Rectifier Diodes are under the broader part category of Diodes.
                        
A diode is a electrical part that can control the direction in which the current flows in a device. Consider factors like voltage drop, current capacity, reverse voltage, and operating frequency when selecting a diode. Read more about Diodes on our Diodes part category page.
Price & Stock for LL4148
| Part # | Distributor | Description | Stock | Price | Buy | |
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                Bristol Electronics | Min Qty: 131 | 17393 | 
                    
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                $0.0038 / $0.0382 | Buy Now | 
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                Bristol Electronics | 8034 | 
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                RFQ | ||
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                Bristol Electronics | Min Qty: 75 | 6115 | 
                    
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                $0.0113 / $0.0675 | Buy Now | 
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                Bristol Electronics | 5000 | 
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                RFQ | ||
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                Bristol Electronics | 2336 | 
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                RFQ | ||
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                Bristol Electronics | 2248 | 
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                RFQ | ||
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                Quest Components | 0.3 A, SILICON, SIGNAL DIODE, DO-213AA | 4979 | 
                    
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                $0.0100 / $0.0250 | Buy Now | 
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                Quest Components | 0.3 A, SILICON, SIGNAL DIODE, DO-213AA (Alt For: LL4148-13) | 4979 | 
                    
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                $0.0100 / $0.0250 | Buy Now | 
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                Quest Components | 0.3 A, SILICON, SIGNAL DIODE, DO-213AA (Alt For: LL4148-7) | 4979 | 
                    
  | 
                $0.0100 / $0.0250 | Buy Now | 
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                Quest Components | 0.3 A, SILICON, SIGNAL DIODE, DO-213AA (Alt For: LL4148F) | 4979 | 
                    
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                $0.0100 / $0.0250 | Buy Now | 
US Tariff Estimator: LL4148 by Fairchild Semiconductor Corporation
Calculations from this tool are estimations only for imports into the United States. Please refer to the distributor or manufacturer and reference official US government sources and authorities to verify any final purchase costs.
Part Details for LL4148
LL4148 Part Data Attributes
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                                        LL4148
                                        Fairchild Semiconductor Corporation
                                     
                                    Buy Now
                                    
                                         Datasheet
                                    
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                                        Compare Parts:
                                     
                                    
                                            LL4148
                                            Fairchild Semiconductor Corporation
                                            Rectifier Diode, 1 Element, 0.2A, 100V V(RRM), Silicon, DO-213AC, DO-213AC, 2 PIN
                                         
                                        
                                        Select a part to compare:  | 
                            
| Pbfree Code | Yes | |
| Rohs Code | Yes | |
| Part Life Cycle Code | Transferred | |
| Ihs Manufacturer | FAIRCHILD SEMICONDUCTOR CORP | |
| Part Package Code | SOD-80 | |
| Package Description | DO-213AC, 2 PIN | |
| Pin Count | 2 | |
| Manufacturer Package Code | 2 TERMINAL,SOD-80,JEDEC DO-213AC, MINI-MELF | |
| Reach Compliance Code | Compliant | |
| ECCN Code | EAR99 | |
| HTS Code | 8541.10.00.70 | |
| Case Connection | ISOLATED | |
| Configuration | SINGLE | |
| Diode Element Material | SILICON | |
| Diode Type | RECTIFIER DIODE | |
| Forward Voltage-Max (VF) | 1 V | |
| JEDEC-95 Code | DO-213AC | |
| JESD-30 Code | O-LELF-R2 | |
| JESD-609 Code | e3 | |
| Moisture Sensitivity Level | 1 | |
| Non-rep Pk Forward Current-Max | 2 A | |
| Number of Elements | 1 | |
| Number of Phases | 1 | |
| Number of Terminals | 2 | |
| Operating Temperature-Max | 175 °C | |
| Output Current-Max | 0.2 A | |
| Package Body Material | GLASS | |
| Package Shape | ROUND | |
| Package Style | LONG FORM | |
| Peak Reflow Temperature (Cel) | 260 | |
| Power Dissipation-Max | 0.5 W | |
| Qualification Status | Not Qualified | |
| Rep Pk Reverse Voltage-Max | 100 V | |
| Reverse Recovery Time-Max | 0.004 µs | |
| Surface Mount | YES | |
| Terminal Finish | MATTE TIN | |
| Terminal Form | WRAP AROUND | |
| Terminal Position | END | |
| Time@Peak Reflow Temperature-Max (s) | 30 | 
Alternate Parts for LL4148
This table gives cross-reference parts and alternative options found for LL4148. The Form Fit Function (FFF) tab will give you the options that are more likely to serve as direct pin-to-pin alternates or drop-in parts. The Functional Equivalents tab will give you options that are likely to match the same function of LL4148, but it may not fit your design. Always verify details of parts you are evaluating, as these parts are offered as suggestions for what you are looking for and are not guaranteed.
| Part Number | Manufacturer | Composite Price | Description | Compare | 
|---|---|---|---|---|
| PMLL4148L | NXP Semiconductors | Check for Price | 0.2A, 100V, SILICON, SIGNAL DIODE, HERMETIC SEALED, GLASS PACKAGE-2 | LL4148 vs PMLL4148L | 
| LL4148T/R13 | PanJit Semiconductor | Check for Price | Rectifier Diode, 1 Element, 0.15A, 100V V(RRM) | LL4148 vs LL4148T/R13 | 
| JAN1N4148UR-1 | Defense Logistics Agency | Check for Price | Rectifier Diode, 1 Phase, 1 Element, 0.2A, Silicon, | LL4148 vs JAN1N4148UR-1 | 
| LL4148T/R7 | PanJit Semiconductor | Check for Price | Rectifier Diode, 1 Element, 0.15A, 100V V(RRM) | LL4148 vs LL4148T/R7 | 
LL4148 Frequently Asked Questions (FAQ)
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The recommended operating temperature range for the LL4148 is -55°C to 150°C.
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To ensure reliability, it's essential to follow proper thermal management practices, such as providing adequate heat sinking and ensuring good airflow around the device.
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The maximum allowable current through the LL4148 is 1A, but it's recommended to derate the current based on the ambient temperature to ensure reliability.
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Yes, the LL4148 can be used in switching power supplies, but it's essential to ensure that the device is properly snubbed to prevent voltage spikes and ringing.
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To protect the LL4148 from ESD, it's recommended to handle the device with proper ESD precautions, such as using an ESD wrist strap or mat, and storing the device in an anti-static bag or container.