# ST1S12G18R STMicroelectronics | Integrated Circuits (ICs) | DigiKey

**Manufacturer:** STMicroelectronics  
**MPN:** `ST1S12G18R`

## Specifications

| Attribute | Value |
| --- | --- |
| Brand name | STMicroelectronics |
| Manufacturer name | STMicroelectronics |
| Manufacturer | STMicroelectronics, ST MICROELECTRONICS |
| Extra Product Name | ST1S12G18R STMicroelectronics \| Integrated Circuits (ICs) \| DigiKey |
| atoms | 1 |
| minimum | 1 |
| moq | 1 |
| MPN | ST1S12G18R |
| multiple | 1 |
| qtyInStock | 811 |
| SKU | 497-ST1S12G18RTR-ND |
| Part Number | ST1S12G18R |
| Product Group | BISS |
| Mfr | STMicroelectronics |
| Series | - |
| Part Status | Active |
| Function | Step-Down |
| Output Configuration | Positive |
| Topology | Buck |
| Output Type | Fixed |
| Number of Outputs | 1 |
| Voltage - Input (Min) | 2.5V |
| Voltage - Input (Max) | 5.5V |
| Voltage - Output (Min/Fixed) | 1.8V |
| Voltage - Output (Max) | - |
| Current - Output | 700mA |
| Frequency - Switching | 1.7MHz |
| Synchronous Rectifier | Yes |
| Operating Temperature | -40?C ~ 125?C (TJ) |
| Mounting Type | Surface Mount |
| Package / Case | SOT-23-5 Thin, TSOT-23-5 |
| Supplier Device Package | TSOT-23-5 |
| ASIN | B005TBDB1A, B06VY83PGQ, B0748MTJ9C, B07BZSQ5YW |
| AdultProduct | False |
| Asin | B005TBDB1A, B00LUEG0OK, B00LUEG1VW, B00LUEG3IS, B00LUEG5CW, B00MMUSNIM, B06VY83PGQ, B0748MTJ9C, B078SJBYS1, B07BZSQ5YW |
| Autographed | False |
| Batteries_required | False |
| Binding | Tools & Home Improvement |
| Brand | STMicroelectronics |
| Bullet_point | InputVoltage: 2.5 to 5.5 V, New and Original, OutputCurrent-Max: 0.7 A, SwitchingFrequency-Max: 2.08 MHz, Topology: Buck, Vout: 1.8 V |
| Case | 1, 10, 100, 25, 3000, 5, 50 |
| Cat | Industrial & Scientific |
| CatId | 16310091 |
| CatTree | 16310091, 16310161, 306506011, 306831011, 306842011, 306910011 |
| ClassificationId | 306506011, 306843011, 306921011, 495324 |
| DisplayName | Communication Integrated Circuits, Industrial Electrical, RF, Switches & Dimmers |
| EAN | 4550034296406 |
| EANList | 4550034296406 |
| Feature | <b>Pack of:</b> 1, <b>Pack of:</b> 10, <b>Pack of:</b> 100, <b>Pack of:</b> 5, <b>Pack of:</b> 50, New and Original, ST1S12G18R, Topology: Buck |
| Height | 1.968503935, 150, 243, 5.0, 500, 56, 75 |
| Identifier | 4550034296406, 7039791515441 |
| IdentifierType | EAN |
| IsBrandQuery | True |
| IsDeadAsin | True |
| ItemClassification | BASE_PRODUCT |
| ItemName | ST MICROELECTRONICS ST1S12G18R ST Series 5.5 V 2.08 MHz Buck Surface Mount Switching Regulator - TSOT-23-5 - 25 item(s), ST MICROELECTRONICS ST1S12G18R ST Series 5.5 V 2.08 MHz Buck Surface Mount Swit |
| Item_name | ST MICROELECTRONICS ST1S12G18R ST Series 5.5 V 2.08 MHz Buck Surface Mount Switching Regulator - TSOT-23-5 - 25 item(s), ST MICROELECTRONICS ST1S12G18R ST Series 5.5 V 2.08 MHz Buck Surface Mount Swit |
| Item_package_quantity | 1 |
| Item_package_weight | 0.3 |
| Item_type_keyword | communication-integrated-circuits, electronic-components, rf-transistors |

## Distributor availability

| Distributor | SKU | Price (USD) | Qty | Stock | MOQ |
| --- | --- | --- | --- | --- | --- |
| Digi-Key | 497-ST1S12G18RTR-ND |  |  | 811 | 1 |
| Newark | 07AH7141 | 1.15 | 1 | None | 1 |
| Digi-Key | 1866946 | 1.23 | 1 | 14215 | 1 |
| Hotenda | H2765270 | 0.93 | 1 | None | 1 |
| Future Electronics | 8462905 | 0.505 | 1 | None | 3000 |
| 4 Star Electronics | ST1S12G18R |  |  | None | 1 |
| AmazonSC | B07BZSQ5YW | 41.79 | 1 | None | 1 |
| Newark | 57P2718 |  |  | None | 3000 |
| Digi-Key | 1866966 | 1.22 | 1 | None | 1 |
| Digi-Key | 1866986 | 1.22 | 1 | None | 1 |
| st.com | ST1S12G18R | 1.13 | 1 | None | 1 |

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