MMBTA42-HF is available for purchase but is not normally stocked.
Available Substitutes:

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MMBTA42-HF | |
|---|---|
DigiKey Part Number | 641-MMBTA42-HFTR-ND - Tape & Reel (TR) |
Manufacturer | |
Manufacturer Part Number | MMBTA42-HF |
Description | TRANS NPN 300V 0.3A SOT-23-3 |
Manufacturer Standard Lead Time | 12 Weeks |
Customer Reference | |
Detailed Description | Bipolar (BJT) Transistor NPN 300 V 300 mA 50MHz 350 mW Surface Mount SOT-23-3 |
Product Attributes
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Category | DC Current Gain (hFE) (Min) @ Ic, Vce 100 @ 10mA, 10V |
Mfr | Power - Max 350 mW |
Packaging Tape & Reel (TR) | Frequency - Transition 50MHz |
Part Status Active | Operating Temperature 150°C (TJ) |
Transistor Type | Mounting Type Surface Mount |
Current - Collector (Ic) (Max) 300 mA | Package / Case TO-236-3, SC-59, SOT-23-3 |
Voltage - Collector Emitter Breakdown (Max) 300 V | Supplier Device Package SOT-23-3 |
Vce Saturation (Max) @ Ib, Ic 200mV @ 2mA, 20mA | Base Product Number |
Current - Collector Cutoff (Max) 250nA (ICBO) |
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Substitutes (3)
| Part Number | Manufacturer | Quantity Available | DigiKey Part Number | Unit Price | Substitute Type |
|---|---|---|---|---|---|
| MMBTA42 | Good-Ark Semiconductor | 1,883 | 4786-MMBTA42TR-ND | $0.18000 | Parametric Equivalent |
| MMBTA42 | EVVO | 0 | 5272-MMBTA42TR-ND | $0.17000 | Parametric Equivalent |
| MMBTA42 | Shenzhen Slkormicro Semicon Co., Ltd. | 0 | 5399-MMBTA42TR-ND | $0.11000 | Parametric Equivalent |
Available To Order
Check Lead Time
This product is not kept in stock at DigiKey. The lead time shown will apply to the manufacturer’s shipment to DigiKey. Upon receiving the product, DigiKey will ship to fill open orders.
Quantity
All prices are in USD
Tape & Reel (TR)
| Quantity | Unit Price | Ext Price |
|---|---|---|
| 3,000 | $0.05116 | $153.48 |
| 6,000 | $0.04587 | $275.22 |
| 9,000 | $0.04318 | $388.62 |
| 15,000 | $0.04014 | $602.10 |
| 21,000 | $0.03834 | $805.14 |
| 30,000 | $0.03660 | $1,098.00 |
| 75,000 | $0.03276 | $2,457.00 |
| 150,000 | $0.03038 | $4,557.00 |
| 300,000 | $0.02875 | $8,625.00 |
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.




