# Stmicroelectronics Dc-Dc Switching Buck ,step Down, Regulator, Adjustable, 8V-55Vin, 3.3V-50Vout, 1.5Aout, Soic-16 Rohs Compliant: Yes - L4971D

**Manufacturer:** STMICROELECTRONICS  
**MPN:** `L4971D`

## Specifications

| Attribute | Value |
| --- | --- |
| Brand name | STMICROELECTRONICS |
| Manufacturer name | STMICROELECTRONICS |
| Manufacturer | STMICROELECTRONICS, ST MICROELECTRONICS, STMicroelectronics |
| CategoryL1 | Semiconductors - ICs |
| CategoryL2 | Power Management ICs - PMIC |
| CategoryL3 | Voltage Regulators |
| CategoryL4 | DC / DC Switching Regulators |
| Extra Product Name | Stmicroelectronics Dc-Dc Switching Buck ,step Down, Regulator, Adjustable, 8V-55Vin, 3.3V-50Vout, 1.5Aout, Soic-16 Rohs Compliant: Yes - L4971D |
| jsonUrlData | Semiconductors - ICs > Power Management ICs - PMIC > Voltage Regulators > DC / DC Switching Regulators |
| moq | 1 |
| MPN | L4971D |
| multiple | 1 |
| qtyInStock | 3202 |
| SKU | 25M9041 |
| tierMinQty1 | 1 |
| tierMinQty2 | 10 |
| tierMinQty3 | 25 |
| tierMinQty4 | 98 |
| tierMinQty5 | 147 |
| tierMinQty6 | 294 |
| tierMinQty7 | 539 |
| tierPrice1 | 4.34 |
| tierPrice2 | 3.93 |
| tierPrice3 | 3.71 |
| tierPrice4 | 3.48 |
| tierPrice5 | 3.26 |
| tierPrice6 | 3.09 |
| tierPrice7 | 2.8 |
| url | https://www.newark.com/25M9041?CMP=AFC-DATAALCHEMY |
| Part Number | L4971D |
| ASIN | B00MMUSHYM, B00MMUSIXC, B00MMUSJPE, B00MMUSKWQ, B07345C9D6, B07ND412B3 |
| AdultProduct | False |
| Asin | B00LVHP9BQ, B00LVHPANI, B00LVHPC4A, B00LVHPDMG, B00LVHPGGY, B00MMUSHYM, B00MMUSIXC, B00MMUSJPE, B00MMUSKWQ, B00MMUSMO2, B07345C9D6, B07ND412B3 |
| Autographed | False |
| Batteries_required | False |
| Brand | STMicroelectronics |
| Bullet_point | InputVoltage: 8 to 55 V;, NoofOutputs: 1; QuiescentCurrent: 3.5 mA; StorageTemperatureRange: -40 to +150 °C; LoadRegulation: 6 mV;, SwitchingFrequency-Max: 110 kHz; OperatingTempRange: -40 to +150 °C; |
| Case | 10, 100, 5, 50, 500 |
| Cat | Industrial & Scientific |
| CatId | 16310091 |
| CatTree | 16310091, 16310161, 306506011, 306831011, 306842011 |
| CatalogNumberList | MS 511-L4971D X10, MS 511-L4971D X100, MS 511-L4971D X5, MS 511-L4971D X500 |
| ClassificationId | 306506011, 306843011 |
| DisplayName | Communication Integrated Circuits, Industrial Electrical |
| Feature | Manufacturer: STMicroelectronics Product Category: Switching Regulators RoHS: Input Voltage MAX: 55 V Switching Frequency: 90 kHz to 110 kHz Output Voltage: 50 V Output Current: 1.5 A Number of Output |
| Height | 150, 167, 243, 39, 56, 75 |
| Identifier | 7039791552958 |
| IdentifierType | EAN |
| IsDeadAsin | True |
| ItemClassification | BASE_PRODUCT |
| ItemName | L4971D, Conv DC-DC 8V to 55V Step Down Single-Out 3.3V to 50V 1.5A 16-Pin SO W Tube (25 Items), ST MICROELECTRONICS L4971D L4971 Series 55 V 1.5 A Down Switching Regulator Through Hole Step - SOIC-16W |
| Item_name | L4971D, Conv DC-DC 8V to 55V Step Down Single-Out 3.3V to 50V 1.5A 16-Pin SO W Tube (25 Items), ST MICROELECTRONICS L4971D L4971 Series 55 V 1.5 A Down Switching Regulator Through Hole Step - SOIC-16W |
| Item_package_quantity | 1, 100 |
| Item_type_keyword | communication-integrated-circuits, electronic-components |
| Item_weight | 0.01 |
| Keyword | L4971, L4971D |
| Label | ST MICROELECTRONICS, STMicroelectronics |
| Link | https://m.media-amazon.com/images/I/11uejRGYn3L._SL75_.jpg, https://m.media-amazon.com/images/I/11uejRGYn3L.jpg, https://m.media-amazon.com/images/I/210B3pipI-L._SL75_.jpg, https://m.media-amazon.com/ |
| Man | ST MICROELECTRONICS, STMicroelectronics |
| Memorabilia | False |

## Distributor availability

| Distributor | SKU | Price (USD) | Qty | Stock | MOQ |
| --- | --- | --- | --- | --- | --- |
| Newark | 25M9041 | 4.34 | 1 | 3202 | 1 |
| Future Electronics | 8153942 | 2.26 | 1 | 929 | 1 |
| 1Source | L4971D |  |  | None | 1 |
| Win Source | L4971D |  |  | 1 | 1 |
| RS Delivers | 686-8271 | 4.96 | 1 | 80 | 1 |
| Hotenda | H2775429 | 3.27 | 1 | None | 1 |
| swatee.com | L4971D | 5.72 | 1 | 1255 | 1 |
| TME | L4971D-ST |  |  | None | 1 |
| AmazonSC | B07345C9D6 |  |  | None | 1 |
| Digi-Key | 585932 |  |  | None | 1 |
| RS Delivers | 168-6458 | 3.18 | 1 | None | 49 |
| RS Delivers | 686-8271P | 5.12 | 1 | 54 | 1 |
| st.com | L4971D | 3.28 | 1 | None | 1 |
| Newark | 56P8342 |  |  | None | 1 |
| Newark | 89K1325 |  |  | None | 1 |

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Structured data: `/python/html6/product/500/54000000/54178000/part_--L4971D---STMICROELECTRONICS--a3cbfcd98d.json`  
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