# RN1402,LF (Component)

## Description

NPN pre\-biased \(bias resistor built\-in\) transistor, R1 = 10 kΩ series base resistor \(B to internal base\), R2 = 10 kΩ base\-emitter resistor; 50 V VCEO, 100 mA IC, 200 mW, fT 250 MHz, hFE min 50\. S\-Mini \(SC\-59 / TO\-236MOD / SOT\-23\-3\), pins 1=B\(input\), 2=E, 3=C

## Component Details

- **Owner:** jharwinbarrozo
- **Created:** 10/21/2026
- **Last Updated:** 10/25/2026
- **Visibility:** Public
- **Symbol Style:** parametric\-v1
- **Part Type:** Transistor
- **Manufacturer Part Number:** RN1402,LF
- **Current Rating:** 0\.1A
- **Standard Symbol:** NPN Transistor
- **Manufacturer Name:** Toshiba
- **Implementation Details:** NPN bias\-resistor\-built\-in transistor\. Pin 1 B is input through R1=10 kΩ to internal base; R2=10 kΩ connects internal base to emitter, not external B to E\. Pins 2 E and 3 C\. Voltage Rating=VCEO 50 V; Current Rating=IC 100 mA\. Native SOT\-23 generator is used for Toshiba S\-Mini \(SC\-59/TO\-236MOD\); body nominal 1\.5 x 2\.9 x 1\.1 mm\. Toshiba reference land: 0\.8 x 1\.0 mm, rows 2\.4 mm apart, same\-side pitch 0\.95 mm\.
- **Package or Case Code:** SOT\-23\-3
- **Voltage Rating:** 50V
- **Purchase Url:** https://www\.digikey\.co\.uk/en/products/detail/toshiba\-semiconductor\-and\-storage/RN1402\-LF/5640257
- **Datasheet URL:** https://storage\.googleapis\.com/graviton\-electric\-symbols/document\_assets/user\-uploaded/0fa4952518d8caab295f4dcbd1f995f7b17fa01f39dd43919b05c0f697428f7f\.pdf
- **Mount:** Surface Mount
- **Transistor Type:** NPN \- Pre\-Biased
- **Used in:** 1 project

## Distributor Pricing (qty 1)

*Pricing shown for quantity 1. For price breaks and other quantities, open in Flux.*

| Distributor | Unit Price (qty 1) | Stock |
|------------|--------------------|-------|
| [Arrow](https://www.arrow.com/en/products/rn1402lf/toshiba.html?utm_currency=USD&region=nac) | N/A | N/A |
| [Digi\-Key](https://www.digikey.com/en/products/detail/toshiba-semiconductor-and-storage/RN1402-LF/5640257) | N/A | N/A |
| [LCSC](https://www.lcsc.com/product-detail/C7421322.html) | N/A | N/A |
| [Mouser](https://www.mouser.com/en/ProductDetail/Toshiba/RN1402LF?qs=OLJpxlzHOSSY%25252BQT5CSTX8g%253D%253D) | $0\.21 | 0 |

- **Part Type:** Transistors
- **Sub-Type:** NPN
- **Manufacturer:** Toshiba
- **MPN:** RN1402,LF
- **Mount Type:** Surface Mount
- **Package / Case Code:** SOT\-23
- **Pin Count:** 3
- **Drain To Source Voltage:** 50V
- **Continuous Drain Current:** 100mA
## Pins

| Pin | Name | Type |
|-----|------|------|
| 3 | C | Passive |
| 2 | E | Passive |
| 1 | B | Input |

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*Generated from [https://flux\.ai/jharwinbarrozo/rn1402clf\~5ur](https://flux.ai/jharwinbarrozo/rn1402clf~5ur)*