Transistor with built-in resistance (BRT)
Transistor with built-in resistance (BRT)
- RN means Toshiba transistor that has a built-in resistance
- Polarity
This section shows the polarity of a product.
Products are classified into five types, as shown below, by the polarity.- 1: NPN ( small-signal )
- 2: PNP ( small-signal )
- 4: PNP+NPN
- 3 & 5 Package type
The kind of a package is expressed by the combination of 2, 3 and 5.
The combination are shown in the following table.2 3 5 Package type 2 3 5 Package type 1,2,4 0 No mark TO-92 1,2,4 4 No mark S-MINI 1 No mark SSM 5 No mark SMV F ESM 6 No mark SM6 FT TESM 7 No mark USV MFV VESM JE ESV CT CST3 9 No mark US6 FS fSM FE ES6 2 No mark MINI FS fS6 3 No mark USM CT CST6 - Serial number
- Serial numbers that start from "A1": mixes type products
- Serial numbers that start from "01": others