MP3921GU-Z is out of stock and can be placed on backorder.
Available Substitutes:
Direct

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MP3921GU-Z | |
|---|---|
DigiKey Part Number | 1589-MP3921GU-ZTR-ND - Tape & Reel (TR) 1589-MP3921GU-ZCT-ND - Cut Tape (CT) 1589-MP3921GU-ZDKR-ND - Digi-Reel® |
Manufacturer | |
Manufacturer Product Number | MP3921GU-Z |
Description | SINGLE-PORT, IEEE 802.3AF/AT PSE |
Manufacturer Standard Lead Time | 20 Weeks |
Customer Reference | |
Detailed Description | Power Over Ethernet Controller 1 Channel 802.3at (PoE+), 802.3af (PoE) 32-QFN (5x5) |
Datasheet | Datasheet |
Product Attributes
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Category | Auxiliary Sense No |
Manufacturer Monolithic Power Systems Inc. | Standards 802.3at (PoE+), 802.3af (PoE) |
Packaging Tape & Reel (TR) Cut Tape (CT) Digi-Reel® | Voltage - Supply 44V ~ 57V |
Part Status Active | Current - Supply 2mA |
Type Controller (PD) | Operating Temperature -40°C ~ 125°C (TJ) |
Number of Channels 1 | Mounting Type Surface Mount |
Power - Max 40 W | Package / Case 32-VFQFN Exposed Pad |
Internal Switch(s) No | Supplier Device Package 32-QFN (5x5) |
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Substitutes (1)
| Part Number | Manufacturer | Quantity Available | DigiKey Part Number | Unit Price | Substitute Type |
|---|---|---|---|---|---|
| MP3921GU-P | Monolithic Power Systems Inc. | 0 | 1589-MP3921GU-PTR-ND | $1.67880 | Direct |
In-Stock: 0
5,000 estimated in stock on 12-Feb-2027
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Quantity
All prices are in USD
Cut Tape (CT) & Digi-Reel®
| Quantity | Unit Price | Ext Price |
|---|---|---|
| 1 | $2.63000 | $2.63 |
| 10 | $1.96000 | $19.60 |
| 25 | $1.79240 | $44.81 |
| 100 | $1.60780 | $160.78 |
| 250 | $1.51976 | $379.94 |
| 500 | $1.46668 | $733.34 |
| 1,000 | $1.42301 | $1,423.01 |
| 2,500 | $1.37690 | $3,442.25 |
Tape & Reel (TR)
| Quantity | Unit Price | Ext Price |
|---|---|---|
| 5,000 | $1.34911 | $6,745.55 |
Tariff Status: Tariff may apply if shipping to the United States. Estimated tariff costs will be calculated and displayed in the shopping cart to help you assess potential expenses.



