# 2SA1057 Transistor - CASE: SOT100 MAKE: NEC

**Manufacturer:** NEC  
**MPN:** `2SA1057`

## Specifications

| Attribute | Value |
| --- | --- |
| Brand name | NEC |
| Manufacturer name | NEC |
| Manufacturer | NEC |
| keywords | Buy 2SA1057, 2SA1057, 2SA1057 Transistor |
| moq | 1 |
| MPN | 2SA1057 |
| multiple | 1 |
| originalCurrency | {'currency': 'GBP'} |
| qtyInStock | 0 |
| SKU | 2SA1057 |
| snippet | 2SA1057 Transistor - CASE: SOT100 MAKE: NEC |
| Case | SOT100 |
| Type | Transistor Silicon PNP |
| Vbr CBO | 20 |
| Vbr CEO | 12 |
| Max PD (W) | 300m |
| C(ob) (F) | 1p |
| t(on) Delay (S) | 1.3n- |
| Derate (Amb) (W/?C) | 1.7m |
| t(f) Max (S) | 0.9n |
| hfe | 20 |
| Ic Max (A) | 50m |
| Icbo Max @Vcb Max (A) | 100n |
| Polarity | PNP |
| Tr Max (s) | 0.7n- |
| t(stor) Max (S) | 0.9n- |
| Trans Freq (Hz) Min | 4G |
| @VCE (test) (V) | 10 |
| Oper Temp (?C) Max | 175 |
| @Ic (A) | 15m |
| Pinout Equivalence Number | 4-29 |
| Surface Mounted Yes/No | YES |
| Maximum Collector Power Dissipation (Pc) | 0.1 W |
| Maximum Collector-Base Voltage \|Vcb\| | 20 V |
| Maximum Collector-Emitter Voltage \|Vce\| | 20 V |
| Maximum Collector Current \|Ic max\| | 0.05 A |
| Max Operating Junction Temperature (Tj) | 175 ?C |
| Transition Frequency (ft): | 4000 MHz |
| Forward Current Transfer Ratio (hFE), MIN | 80 |

## Distributor availability

| Distributor | SKU | Price (USD) | Qty | Stock | MOQ |
| --- | --- | --- | --- | --- | --- |
| Little Diode | 2SA1057 |  |  | None | 1 |

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Structured data: `/python/html6/product/500/22000000/22148500/part_--2SA1057---NEC--e3ce0b93ff.json`  
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MCP server: https://www.dataalchemy.com/mcp