# L4931CD33-TR STMicroelectronics | Integrated Circuits (ICs) | DigiKey

**Manufacturer:** STMicroelectronics  
**MPN:** `L4931CD33-TR`

## Specifications

| Attribute | Value |
| --- | --- |
| Brand name | STMicroelectronics |
| Manufacturer name | STMicroelectronics |
| Manufacturer | STMicroelectronics, ST MICROELECTRONICS, STMICROELECTRONICS |
| Extra Product Name | L4931CD33-TR STMicroelectronics \| Integrated Circuits (ICs) \| DigiKey |
| atoms | 1 |
| extraShipping | 0 |
| moq | 1 |
| MPN | L4931CD33-TR |
| multiple | 1 |
| qtyInStock | 5375 |
| SKU | 1865382 |
| tierMinQty1 | 1 |
| tierMinQty2 | 10 |
| tierMinQty3 | 25 |
| tierMinQty4 | 100 |
| tierMinQty5 | 250 |
| tierMinQty6 | 500 |
| tierMinQty7 | 1,000 |
| tierPrice1 | 0.96000 |
| tierPrice2 | 0.86000 |
| tierPrice3 | 0.81600 |
| tierPrice4 | 0.62670 |
| tierPrice5 | 0.55384 |
| tierPrice6 | 0.52470 |
| tierPrice7 | 0.48125 |
| Part Number | L4931CD33-TR |
| Product Group | BISS |
| Category | Integrated Circuits (ICs) |
| Mfr | STMicroelectronics |
| Series | - |
| Package | Tape & Reel (TR) |
| Part Status | Active |
| Output Configuration | Positive |
| Output Type | Fixed |
| Voltage - Input (Max) | 20V |
| Voltage - Output (Min/Fixed) | 3.3V |
| Voltage - Output (Max) | - |
| Voltage Dropout (Max) | 0.8V @ 250mA |
| Current - Output | 250mA |
| PSRR | 73dB ~ 55dB (120Hz ~ 10kHz) |
| Control Features | - |
| Protection Features | Over Current, Over Temperature |
| Operating Temperature | -40?C ~ 125?C |
| Mounting Type | Surface Mount |
| Package / Case | 8-SOIC (0.154"", 3.90mm Width) |
| Supplier Device Package | 8-SO |
| Number of Regulators | 1 |
| Current - Quiescent (Iq) | 1mA |
| Current - Supply (Max) | 6mA |
| Base Product Number | L4931 |
| ASIN | B00AZVBHDS, B011NIKVHO, B0748MT83S |
| AdultProduct | False |
| Asin | B00AZVBHDS, B00LVHNDE6, B00LVHNF3U, B00LVHNGHU, B00LVHNHTM, B00LVHNJ7M, B00LVHNMGK, B00MMUO70A, B011NIKVHO, B0748MT83S |
| Autographed | False |
| Batteries_required | False |
| Brand | STMicroelectronics |
| Bullet_point | <b>Order Unit:</b> Each&nbsp;1 <b>Dropout Voltage Vdo:</b>: 400 <b>Input Voltage Max:</b>: 20 <b>Input Voltage Min:</b>: 5.3 <b>LDO Regulator Case Style:</b>: SOIC <b>MSL:</b>: - <b>No. of Pins:</b>:  |
| Case | 1, 10, 100, 1000, 2500, 5, 50, 500 |
| Cat | Industrial & Scientific |
| CatId | 16310091 |

## Distributor availability

| Distributor | SKU | Price (USD) | Qty | Stock | MOQ |
| --- | --- | --- | --- | --- | --- |
| Digi-Key | 1865382 | 0.96 | 1 | 5375 | 1 |
| 1Source | L4931CD33-TR |  |  | None | 1 |
| Win Source | L4931CD33-TR | 0.758 | 1 | 21392 | 66 |
| RS Delivers | 165-5288 | 0.43 | 1 | None | 1 |
| Future Electronics | 4730289 | 0.4529 | 1 | None | 2500 |
| swatee.com | L4931CD33-TR | 1.88 | 1 | 1655 | 1 |
| TME | L4931CD33-TR | 0.95 | 1 | 752 | 1 |
| 4 Star Electronics | L4931CD33TR |  |  | None | 1 |
| Digi-Key | 1865541 | 1.679 | 1 | None | 1000 |
| Newark | 45Y5611 | 0.76 | 1 | 7500 | 2500 |
| Newark | 26M0501 | 1.67 | 1 | 1085 | 5 |
| Newark | 81AC8967 | 0.667 | 1 | None | 2500 |
| RS Delivers | 877-2687 | 1.517 | 1 | None | 1 |
| RS Delivers | 877-2687P | 1.494 | 1 | None | 1 |
| st.com | L4931CD33-TR | 1.56 | 1 | None | 1 |
| Digi-Key | 1038103 | 1.92 | 1 | 12518 | 1 |
| Newark | 89K1316 |  |  | None | 1 |
| Newark | 56P8286 |  |  | None | 1 |

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Structured data: `/python/html6/product/500/194000000/194095500/part_--L4931CD33TR---STMicroelectronics--9f6b0fa4e6.json`  
Search API: https://www.dataalchemy.com/api/  
MCP server: https://www.dataalchemy.com/mcp