Part Number
MJE521
Manufacturer
STMicroelectronicsDescription
TRANS NPN 40V 4A SOT-32-3
Datasheet
DatasheetPackage
TO-225AA, TO-126-3
In Stock
84,487 piece(s)
Unit Price
Please Contact Us
Lead Time
Can Ship Immediately
Request for Quotation

MJE521
lmages are for reference only.MJE521
TRANS NPN 40V 4A SOT-32-3
DatasheetTO-225AA, TO-126-3
84,487 piece(s)
Please Contact Us
Can Ship Immediately
Request for Quotation
Payment Methods

Delivery Services

Bipolar (BJT) Transistor NPN 40 V 4 A 40 W Through Hole SOT-32-3
MJE521

| Category | Discrete Semiconductor Products - Transistors - Bipolar BJT |
| Manufacturer | STMicroelectronics |
| Series | - |
| Packaging | Tube |
| RoHS Status | ROHS3 Compliant |
| Transistor Type | NPN |
| Current - Collector (Ic) (Max) | 4 A |
| Voltage - Collector Emitter Breakdown (Max) | 40 V |
| Vce Saturation (Max) @ Ib, Ic | - |
| Current - Collector Cutoff (Max) | 100µA (ICBO) |
| DC Current Gain (hFE) (Min) @ Ic, Vce | 40 @ 1A, 1V |
| Power - Max | 40 W |
| Frequency - Transition | - |
| Operating Temperature | 150°C (TJ) |
| Mounting Type | Through Hole |
| Package / Case | TO-225AA, TO-126-3 |
| Supplier Device Package | SOT-32-3 |
| Base Product Number | MJE521 |
| Grade | - |
| Qualification | - |

| Product Attribute | ![]() |
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| Part Number | MJE520 PBFREE | MJE521 | MJE521G | MJE13001-AP |
| Manufacturer | Central Semiconductor Corp | onsemi | onsemi | Micro Commercial Co |
| RoHS Status | ROHS3 Compliant | RoHS non-compliant | ROHS3 Compliant | |
| Description | TRANS NPN 30V 3A TO-126 | TRANS NPN 40V 4A TO-126 | TRANS NPN 40V 4A TO-126 | TRANS NPN 400V 0.2A TO-92 |
| Series | * | - | - | - |
| Packaging | Tube | Bulk | Bulk | Tape & Box (TB) |

Recommended Products

| Delivery Time | In-stock items can be shipped within 24 hours. Some parts will be arranged for delivery within 1-2 days from the date all items arrive at our warehouse. And Orwintech ships order once a day at about 17:00, except Sunday. Once the goods are shipped, the estimated delivery time depends on the shipping methods and Delivery destination. The table below shows are the logistic time for some common countries. |
| Delivery Cost | Use your express account for shipment if you have one. Use our account for the shipment. Refer to the table below for the approximate charges. (Different time frame / countries / package size has different price.) |
| Delivery Method | Global Common Shipment by DHL / UPS / FedEx / TNT / EMS / SF we support. Others more shipping ways, please get in touch with us. |

| Region | Country | Logistic Time(Day) |
| America | United States | 5 |
| Brazil | 7 | |
| Europe | Germany | 5 |
| United Kingdom | 4 | |
| Ltaly | 5 | |
| Oceania | Australia | 6 |
| New Zealand | 5 | |
| Asia | India | 4 |
| Japan | 4 | |
| Middle East | Israel | 6 |

| Shipment charges(KG) | Reference DHL(USD$) |
| 0.00kg-1.00kg | USD$30.00 - USD$60.00 |
| 1.00kg-2.00kg | USD$40.00 - USD$80.00 |
| 2.00kg-3.00kg | USD$50.00 - USD$100 |