# L78L18ACUTR STMicroelectronics | Integrated Circuits (ICs) | DigiKey

**Manufacturer:** STMicroelectronics  
**MPN:** `L78L18ACUTR`

## Specifications

| Attribute | Value |
| --- | --- |
| Brand name | STMicroelectronics |
| Manufacturer name | STMicroelectronics |
| Manufacturer | STMicroelectronics |
| Extra Product Name | L78L18ACUTR STMicroelectronics \| Integrated Circuits (ICs) \| DigiKey |
| atoms | 1 |
| extraShipping | 0 |
| moq | 1 |
| MPN | L78L18ACUTR |
| multiple | 1 |
| qtyInStock | 19062 |
| SKU | 1883360 |
| tierMinQty1 | 1 |
| tierMinQty2 | 10 |
| tierMinQty3 | 25 |
| tierMinQty4 | 100 |
| tierMinQty5 | 250 |
| tierMinQty6 | 500 |
| tierMinQty7 | 1,000 |
| tierPrice1 | 0.42000 |
| tierPrice2 | 0.36300 |
| tierPrice3 | 0.33880 |
| tierPrice4 | 0.25170 |
| tierPrice5 | 0.21296 |
| tierPrice6 | 0.20328 |
| tierPrice7 | 0.15004 |
| Part Number | L78L18ACUTR |
| Category | Integrated Circuits (ICs) |
| Mfr | STMicroelectronics |
| Series | - |
| Package | Tape & Reel (TR) |
| Part Status | Active |
| Output Configuration | Positive |
| Output Type | Fixed |
| Voltage - Input (Max) | 40V |
| Voltage - Output (Min/Fixed) | 18V |
| Voltage - Output (Max) | - |
| Voltage Dropout (Max) | - |
| Current - Output | 100mA |
| PSRR | 38dB (120Hz) |
| Control Features | - |
| Protection Features | Over Current, Over Temperature, Short Circuit |
| Operating Temperature | 0?C ~ 125?C |
| Mounting Type | Surface Mount |
| Package / Case | TO-243AA |
| Supplier Device Package | SOT-89-3 |
| Number of Regulators | 1 |
| Current - Quiescent (Iq) | 6mA |
| Current - Supply (Max) | 6.5mA |
| Base Product Number | L78L18 |
| ASIN | B005TAM5XQ |
| AdultProduct | False |
| Asin | B005TAM5XQ, B00LVI4H0Y, B00LVI4JPC, B00LVI4KWO |
| Autographed | False |
| Batteries_required | False |
| Brand | STMicroelectronics |
| Bullet_point | New and Original |
| Case | 1, 10, 5, 50 |
| Cat | Industrial & Scientific |
| CatId | 16310091 |
| CatTree | 16310091, 16310161, 306506011, 306831011, 306910011 |

## Distributor availability

| Distributor | SKU | Price (USD) | Qty | Stock | MOQ |
| --- | --- | --- | --- | --- | --- |
| Digi-Key | 1883360 | 0.42 | 1 | 19062 | 1 |
| Newark | 51AC9197 | 0.47 | 1 | 3826 | 1 |
| Win Source | L78L18ACUTR |  |  | 1 | 1 |
| RS Delivers | 178-5136 | 0.167 | 1 | None | 1 |
| Hotenda | H2788835 | 0.132 | 1 | None | 1 |
| TME | L78L18ACUTR | 0.32 | 1 | 15012 | 3 |
| Future Electronics | 8020880 | 0.145 | 1 | 2500 | 2500 |
| 4 Star Electronics | L78L18ACUTR |  |  | None | 1 |
| TME | L78L18ACU-TR |  |  | None | 1 |
| TME | L78L18ACU |  |  | None | 1 |
| AmazonSC | B005TAM5XQ |  |  | None | 1 |
| Newark | 56P8759 |  |  | None | 1 |
| Digi-Key | 1884341 | 0.598 | 1 | 39192 | 1000 |
| RS Delivers | 686-9423 | 0.549 | 1 | 3800 | 1 |
| RS Delivers | 686-9423P | 0.549 | 1 | 3800 | 1 |
| st.com | L78L18ACUTR | 0.65 | 1 | None | 1 |
| Digi-Key | 1038290 | 0.792 | 1 | 80018 | 1 |

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Structured data: `/python/html6/product/500/15000000/15372500/part_--L78L18ACUTR---STMicroelectronics--6934cf4723.json`  
Search API: https://www.dataalchemy.com/api/  
MCP server: https://www.dataalchemy.com/mcp