Alternatives to Diodes Incorporated 1N4148W
Diodes Incorporated 1N4148W and its qualified second sources, compared on form/fit/function, stock, lifecycle and price — the same checks Parter runs inside a BOM.
| 1N4148WDiodes Incorporated |  1N4148W-7-FDiodes Incorporated |  1N4148W-TPMicro Commercial Co (MCC) | +5more | |
|---|---|---|---|---|
| FFF Compatibility | Matches the identical SOD-123 package footprint and pinout (Pin 1: Cathode, Pin 2: Anode).Utilizes the same standard SOD-123 mechanical dimensions.Matches or exceeds all original electrical specifications, offering 100V reverse breakdown voltage, 150mA average output current, and 4ns reverse recovery time. | Identical SOD-123 package footprint and pinout (Pin 1: Cathode, Pin 2: Anode).Standard SOD-123 package style and lead form.Fully matches the original electrical specs (100V VRRM, 150mA average rectified current, 4ns trr, and 400mW power dissipation). | ||
 AI Summary | 1N4148W by Diodes Incorporated: Small Signal Switching Diodes. | This is the direct active, fully RoHS-compliant and lead-free replacement part from the original manufacturer (Diodes Incorporated), designed to drop directly into existing designs without modification.
| An excellent second-source option from MCC that matches all physical, mechanical, and electrical parameters of the original 1N4148W.
| |
| Lifecycle Status | Obsolete | Active | Unknown | |
| Market Availability | Non-stock | In stock | Unknown | |
| REACH | Unknown | REACH | Unknown | |
| RoHS | Unknown | RoHS | Unknown | |
| Description | Small Signal Switching Diodes | Diode 100 V 300mA Surface Mount SOD-123 | An excellent second-source option from MCC that matches all physical, mechanical, and electrical parameters of the original 1N4148W. | |
| Manufacturer | Diodes Incorporated | Diodes Incorporated | Micro Commercial Co (MCC) | |
| Type | Small Signal Switching Diodes | Diodes | Component | |
| Datasheet | Open | Open | N/A | |
| Lead Time | Unknown | 40 weeks | Unknown | |
| Country of Origin | - | - | - | |
| Export Control Class Number | EAR99 | EAR99 | EAR99 | |
| HTSUS Code | - | - | - | |
| Moisture Sensitivity Level | - | - | - |
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Related parts
| Part | Market availability | Lifecycle | Alternatives available |
|---|---|---|---|
 1N4148WSDiodes Incorporated | In stock | Obsolete | 7Alternatives availableSee Alternatives |
 1N4148Diodes Incorporated | In stock | Obsolete | 3Alternatives availableSee Alternatives |
| 1N4148-TDiodes Incorporated | In stock | Obsolete | 6Alternatives availableSee Alternatives |
 1N4004onsemi | In stock | Obsolete | 5Alternatives availableSee Alternatives |
 1N4371Aonsemi | Discontinued | Obsolete | 5Alternatives availableSee Alternatives |
 1N4734Aonsemi | In stock | Obsolete | 4Alternatives availableSee Alternatives |
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Frequently asked questions
Yes. The Diodes Incorporated 1N4148W is marked obsolete, so the manufacturer has discontinued it and any remaining supply is limited to distributor stock. The qualified second sources on this page are active parts you can design in today.
The closest qualified second sources for the Diodes Incorporated 1N4148W are the 1N4148W-7-F (Diodes Incorporated) and the 1N4148W-TP (Micro Commercial Co (MCC)), out of 7 matched alternatives in total. Each is compared against the original on fit, form and function in the table above.
Not always. The alternatives to the 1N4148W are matched on function but can differ in package, pinout or a key parameter, so review the fit/form/function notes in the table and the datasheet before designing one in.
The 1N4148W (Diodes Incorporated) is a part in the Small Signal Switching Diodes category. This page lists qualified, cross-referenced replacements for it with a side-by-side comparison.
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