For Reference Only
| Part Number | 2SB1257 |
| LIXINC Part # | 2SB1257 |
| Manufacturer | Sanken Electric Co., Ltd. |
| Category | Discrete Semiconductor › Transistors - Bipolar (BJT) - Single |
| Description | TRANS PNP DARL 60V 4A TO220F |
| Lifecycle | Active |
| RoHS | No RoHS Information |
| EDA/CAD Models | 2SB1257 PCB Footprint and Symbol |
| Warehouses | USA, Europe, China, Hong Kong SAR |
| Estimated Delivery | Jan 24 - Jan 28 2026(Choose Expedited Shipping) |
| Warranty | Up to 1 year [Limited-Warranty]* |
| Payment |
|
| Shipping | ![]() |
| Part Number: | 2SB1257 |
| Brand: | Sanken Electric Co., Ltd. |
| Lifecycle: | Active |
| RoHS: | Lead free / RoHS Compliant |
| Category: | Discrete Semiconductor |
| Subcategory: | Transistors - Bipolar (BJT) - Single |
| Manufacturer: | Sanken Electric Co., Ltd. |
| Series: | - |
| Package: | Bulk |
| Part Status: | Active |
| Transistor Type: | PNP - Darlington |
| Current - Collector (Ic) (Max): | 4 A |
| Voltage - Collector Emitter Breakdown (Max): | 60 V |
| Vce Saturation (Max) @ Ib, Ic: | 1.5V @ 6mA, 3A |
| Current - Collector Cutoff (Max): | 10µA (ICBO) |
| DC Current Gain (hFE) (Min) @ Ic, Vce: | 2000 @ 3A, 4V |
| Power - Max: | 25 W |
| Frequency - Transition: | 150MHz |
| Operating Temperature: | 150°C (TJ) |
| Mounting Type: | Through Hole |
| Package / Case: | TO-220-3 Full Pack |
| Supplier Device Package: | TO-220F |
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| In Stock | 13999 - 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 | $1.57000 | $1.57 |
| 10 | $1.39397 | $13.9397 |
| 25 | $1.25904 | $31.476 |
| 100 | $1.10147 | $110.147 |
| 250 | $0.96663 | $241.6575 |
| 500 | $0.85423 | $427.115 |
| 1000 | $0.67439 | $674.39 |
| 2500 | $0.62943 | $1573.575 |
| 5000 | $0.59945 | $2997.25 |
Lixinc will offer the most competitive prices for you, please refer to the quotations.
Please feel free to contact us for details.