For Reference Only
| Part Number | MMBF4391 |
| LIXINC Part # | MMBF4391 |
| Manufacturer | Rochester Electronics |
| Category | Discrete Semiconductor › Transistors - JFETs |
| Description | SMALL SIGNAL FIELD-EFFECT TRANSI |
| Lifecycle | Active |
| RoHS | No RoHS Information |
| EDA/CAD Models | MMBF4391 PCB Footprint and Symbol |
| Warehouses | USA, Europe, China, Hong Kong SAR |
| Estimated Delivery | Jan 23 - Jan 27 2026(Choose Expedited Shipping) |
| Warranty | Up to 1 year [Limited-Warranty]* |
| Payment |
|
| Shipping | ![]() |
| Part Number: | MMBF4391 |
| Brand: | Rochester Electronics |
| Lifecycle: | Active |
| RoHS: | Lead free / RoHS Compliant |
| Category: | Discrete Semiconductor |
| Subcategory: | Transistors - JFETs |
| Manufacturer: | Rochester Electronics |
| Series: | - |
| Package: | Bulk |
| Part Status: | Obsolete |
| FET Type: | N-Channel |
| Voltage - Breakdown (V(BR)GSS): | 30 V |
| Drain to Source Voltage (Vdss): | - |
| Current - Drain (Idss) @ Vds (Vgs=0): | 50 mA @ 20 V |
| Current Drain (Id) - Max: | - |
| Voltage - Cutoff (VGS off) @ Id: | 4 V @ 1 nA |
| Input Capacitance (Ciss) (Max) @ Vds: | 14pF @ 20V |
| Resistance - RDS(On): | 30 Ohms |
| Power - Max: | 350 mW |
| Operating Temperature: | -55°C ~ 150°C (TJ) |
| Mounting Type: | Surface Mount |
| Package / Case: | TO-236-3, SC-59, SOT-23-3 |
| Supplier Device Package: | SOT-23-3 |
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| In Stock | 18551 - More on Order |
|---|---|
| Quote Limit | No Limit |
| Lead-Time | To be Confirmed |
| Minimum | 1 |
Warm Tips: Please fill out the form below. We will contact you as soon as possible.
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1 | $0.09000 | $0.09 |
| 3000 | $0.09000 | $270 |
| 6000 | $0.08521 | $511.26 |
| 15000 | $0.07804 | $1170.6 |
| 30000 | $0.07326 | $2197.8 |
| 75000 | $0.06608 | $4956 |
Lixinc will offer the most competitive prices for you, please refer to the quotations.
Please feel free to contact us for details.