MMBT5551-AQ is out of stock and can be placed on backorder.
Available Substitutes:
Parametric Equivalent
Parametric Equivalent

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MMBT5551-AQ | |
|---|---|
DigiKey Part Number | 4878-MMBT5551-AQ-ND |
Manufacturer | |
Manufacturer Part Number | MMBT5551-AQ |
Description | TRANS NPN 160V 0.6A SOT23-3 |
Manufacturer Standard Lead Time | 8 Weeks |
Customer Reference | |
Detailed Description | Bipolar (BJT) Transistor NPN 160 V 600 mA 300MHz 250 mW Surface Mount SOT-23-3 (TO-236) |
Datasheet | Datasheet |
EDA/CAD Models | MMBT5551-AQ Models |
Product Attributes
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Category | DC Current Gain (hFE) (Min) @ Ic, Vce 80 @ 10mA, 5V |
Mfr | Power - Max 250 mW |
Packaging Bulk | Frequency - Transition 300MHz |
Part Status Active | Operating Temperature -55°C ~ 150°C (TJ) |
Transistor Type | Grade Automotive |
Current - Collector (Ic) (Max) 600 mA | Qualification AEC-Q101 |
Voltage - Collector Emitter Breakdown (Max) 160 V | Mounting Type Surface Mount |
Vce Saturation (Max) @ Ib, Ic 200mV @ 5mA, 50mA | Package / Case TO-236-3, SC-59, SOT-23-3 |
Current - Collector Cutoff (Max) 50nA (ICBO) | Supplier Device Package SOT-23-3 (TO-236) |
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Substitutes (3)
| Part Number | Manufacturer | Quantity Available | DigiKey Part Number | Unit Price | Substitute Type |
|---|---|---|---|---|---|
| MMBT5551 | Diotec Semiconductor | 0 | 4878-MMBT5551TR-ND | $0.15000 | Parametric Equivalent |
| MMBT5551-AU_R1_000A2 | Panjit International Inc. | 0 | 3757-MMBT5551-AU_R1_000A2TR-ND | $0.23000 | Parametric Equivalent |
| MMBT5551_R1_00001 | Panjit International Inc. | 0 | 3757-MMBT5551_R1_00001TR-ND | $0.20000 | Parametric Equivalent |
In-Stock: 0
3,000 estimated in stock on 14-Dec-2026
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Quantity
All prices are in USD
Bulk
| Quantity | Unit Price | Ext Price |
|---|---|---|
| 117,000 | $0.02169 | $2,537.73 |
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.



