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| Code | Device | Manufacturer | Base | Package | Leaded Equivalent/Data |
| U | BB545 | Sie | I | SOT323 | 20-2pF varicap |
| U1 | 3SK283 | Tos | - | SOT143 | GaAs N Channel FET |
| U1 | BCX19 | Mot | N | SOT23 | BC337 |
| U1 | BGX50A | Sie | BQ | SOT143 | quad ring Si sw diodes |
| U1 | TA4004F | Tos | - | SOT153 | Si npn |
| U16 | 2SC4183 | NEC | N | - | npn RF 5V fT1GHz hFE 60-120 |
| U17 | 2SC4183 | NEC | N | - | npn RF 5V fT1GHz hFE 90-180 |
| U18 | 2SC4183 | NEC | N | - | npn RF 5V fT1GHz hFE 120-240 |
| U1A | 3SK230A | NEC | UQ | SOT143 | dg RF mosfet |
| U1B | 3SK230B | NEC | UQ | SOT143 | dg RF mosfet |
| U1C | 3SK231C | NEC | UQ | SOT143 | dg RF mosfet |
| U1D | 3SK231D | NEC | UQ | SOT143 | dg RF mosfet |
| U1E | 3SK252E | NEC | UQ | SOT143 | dg RF mosfet |
| U1E | 3SK254E | NEC | UQ | - | dg RF mosfet |
| U1G | 3SK253G | NEC | UQ | SOT143 | dg RF mosfet |
| U1G | 3SK255G | NEC | UQ | - | dg RF mosfet |
| U1p | BCX19 | Phi | - | SOT23 | - |
| U1t | BCX19 | Phi | - | SOT23 | - |
| U2 | BCX20 | Phi | N | SOT23 | BC338 |
| U2 | TA4003F | Tos | - | SOT153 | Si npn |
| U21 | 2SC4185 | NEC | N | - | npn RF 10V fT2.4GHz hFE 40-80 |
| U22 | 2SC4185 | NEC | N | - | npn RF 10V fT2.4GHz hFE 60-120 |
| U23 | 2SC4185 | NEC | N | - | npn RF 10V fT2.4GHz hFE 90-180 |
| U2p | BCX20 | Phi | - | SOT23 | - |
| U2t | BCX20 | Phi | - | SOT23 | - |
| U3 | BSS64 | Phi | N | SOT23 | 120V 0.25A 0.2W |
| U3 | TA4001F | Tos | - | SOT143 | Si npn |
| U3 | TA4002F | Tos | - | SOT143 | Si npn |
| U35 | BSR19 | Phi | - | SOT23 | - |
| U36 | BSR19A | Phi | - | SOT23 | - |
| U4 | BCX19R | Phi | R | SOT23 | BC337 |
| U5 | BCX20R | Phi | R | SOT23 | BC338 |
| U55 | 3SK134B | NEC | UQ | SOT143 | dg mosfet |
| U55 | 3SK245 | NEC | UQ | - | dg mosfet |
| U56 | 3SK134B | NEC | UQ | SOT143 | dg mosfet |
| U56 | 3SK245 | NEC | UQ | - | dg mosfet |
| U6 | BSS64R | Phi | R | SOT23 | 120V 0.25A 0.2W |
| U65 | 3SK135A | NEC | UQ | SOT143 | dg mosfet |
| U66 | 3SK135A | NEC | UQ | SOT143 | dg mosfet |
| U7 | BSR13 | SGS | N | SOT23 | 2N2222 |
| U71 | 3SK177 | NEC | UQ | SOT143 | dg GaAsfet Idss 5-15mA |
| U71 | 3SK299 | NEC | UQ | - | dg GaAsfet Idss 5-15mA |
| U71 | BSR13R | SGS | R | SOT23 | 2N2222 |
| U72 | 3SK177 | NEC | UQ | SOT143 | dg GaAsfet Idss10-25mA |
| U72 | 3SK299 | NEC | UQ | - | dg GaAsfet Idss 10-25mA |
| U73 | 3SK177 | NEC | UQ | SOT143 | dg GaAsfet Idss 20-35mA |
| U73 | 3SK299 | NEC | UQ | - | dg GaAsfet Idss 20-35mA |
| U74 | 3SK177 | NEC | UQ | SOT143 | dg GaAsfet Idss 30-40mA |
| U74 | 3SK299 | NEC | UQ | - | dg GaAsfet Idss 30-40mA |
| U76 | 3SK206 | NEC | UQ | SOT143 | dg GaAsfet Idss 10-25mA |
| U77 | 3SK206 | NEC | UQ | SOT143 | dg GaAsfet Idss 20-35mA |
| U78 | 3SK206 | NEC | UQ | SOT143 | dg GaAsfet Idss 30-50mA |
| U79 | 3SK206 | NEC | UQ | SOT143 | dg GaAsfet Idss 45-80mA |
| U7p | BSR13 | Phi | - | SOT23 | - |
| U7t | BSR13 | Phi | - | SOT23 | - |
| U8 | BSR14 | SGS | N | SOT23 | 2N2222A |
| U81 | BSR14R | SGS | R | SOT23 | 2N2222A |
| U87 | 3SK176A | NEC | UQ | SOT143 | dg mosfet |
| U88 | 3SK176A | NEC | UQ | SOT143 | dg mosfet |
| U8p | BSR14 | Phi | - | SOT23 | - |
| U8t | BSR14 | Phi | - | SOT23 | - |
| U90 | 3SK223 | NEC | UQ | SOT143 | dg mosfet |
| U90 | 3SK243 | NEC | UQ | - | dg mosfet |
| U91 | 3SK223 | NEC | UQ | SOT143 | dg mosfet |
| U91 | 3SK243 | NEC | UQ | SOT143 | dg mosfet |
| U92 | BSR17A | Phi | - | SOT23 | - |
| U92p | BSR17A | Phi | N | SOT23 | 2N3904 |
| U94 | 3SK224D | NEC | UQ | SOT143 | dg mosfet |
| U94 | 3SK244D | NEC | UQ | - | dg mosfet |
| U95 | 3SK224E | NEC | UQ | SOT143 | dg mosfet |
| U95 | 3SK244E | NEC | UQ | SOT143 | dg mosfet |
| UB | 2SB852K | Roh | N | - | pnp darlington comp 2SD1383K |
| UB | TA4006F | Tos | - | SOT153 | Si npn |
| UB | TA4100F | Tos | - | SOT163 | N Channel FET |
| UC | 3SK126 | Tos | - | SOT143 | N Channel FET |
| UC | MSC2404-C | Mot | H | - | npn RF 450MHz fT 20V |
| UC | TA4007F | Tos | - | SOT153 | Si npn |
| UD | 3SK115 | Tos | - | SOT103 | N Channel FET |
| UD | 3SK127 | Tos | - | SOT143 | N Channel FET |
| UD | SMAJ12C | LOn | - | SMA | 12V Bi Directional Transient Supressor |
| UD | TG2000F | Tos | - | SOT153 | N Channel FET |
| UE | 3SK145 | Tos | - | SOT103 | N Channel FET |
| UE | 3SK146 | Tos | - | SOT143 | N Channel FET |
| UE | SMAJ12CA | LOn | - | SMA | 12V Bi Directional Transient Supressor |
| UF | SMAJ13C | LOn | - | SMA | 13V Bi Directional Transient Supressor |
| UG | 3SK121 | Tos | - | SOT103 | N Channel FET |
| UG | 3SK140 | Tos | - | SOT143 | N Channel FET |
| UG | SMAJ13CA | LOn | - | SMA | 13V Bi Directional Transient Supressor |
| UH | 3SK150 | Tos | - | SOT103 | N Channel FET |
| UH | 3SK151 | Tos | - | SOT143 | N Channel MOSFET |
| UH | 3SK260 | Tos | - | - | N Channel MOSFET |
| UH | SMAJ14C | LOn | - | SMA | 14V Bi Directional Transient Supressor |
| UI | 3SK152 | Tos | - | SOT103 | N Channel FET |
| UI | 3SK153 | Tos | - | SOT143 | N Channel FET |
| UJ | 3SK153 | Tos | - | SOT143 | N Channel FET |
| UK | SMAJ14CA | LOn | - | SMA | 14V Bi Directional Transient Supressor |
| UL | 3SK159 | Tos | - | SOT103 | N Channel FET |
| UL | 3SK160 | Tos | - | SOT143 | N Channel FET |
| UL | SMAJ15C | LOn | - | SMA | 15V Bi Directional Transient Supressor |
| UM | 3SK198 | Tos | - | SOT103 | N Channel FET |
| UM | 3SK199 | Tos | - | SOT143 | N Channel FET |
| UM | SMAJ15CA | LOn | - | SMA | 15V Bi Directional Transient Supressor |
| UN | 3SK215 | Tos | - | SOT143 | GaAs N Channel FET |
| UN | 3SK240 | Tos | - | SOT143 | N Channel MOSFET |
| UN | 3SK274 | Tos | - | - | GaAs N Channel FET |
| UN | 3SK275 | Tos | - | - | GaAs N Channel FET |
| UN | SMAJ16C | LOn | - | SMA | 16V Bi Directional Transient Supressor |
| UO | 3SK232 | Tos | - | SOT143 | N Channel MOSFET |
| UO | 3SK249 | Tos | - | - | N Channel MOSFET |
| UP | 3SK216 | Tos | - | SOT143 | GaAs N Channel FET |
| UP | 3SK250 | Tos | - | SOT143 | GaAs N Channel FET |
| UP | CMDZ11L | CSC | I | SMC | 11V Zener Diode |
| UP | SMAJ16CA | LOn | - | SMA | 16V Bi Directional Transient Supressor |
| UQ | SMAJ17C | LOn | - | SMA | 17V Bi Directional Transient Supressor |
| UR | 3SK207 | Tos | - | SOT143 | N Channel MOSFET |
| UR | 3SK256 | Tos | - | - | N Channel MOSFET |
| UR | SMAJ17CA | LOn | - | SMA | 17V Bi Directional Transient Supressor |
| US | SMAJ18C | LOn | - | SMA | 18V Bi Directional Transient Supressor |
| UT | 3SK225 | Tos | - | SOT143 | N Channel MOSFET |
| UT | 3SK257 | Tos | - | - | N Channel MOSFET |
| UT | SMAJ18CA | LOn | - | SMA | 18V Bi Directional Transient Supressor |
| UU | 3SK226 | Tos | - | SOT143 | N Channel MOSFET |
| UU | 3SK258 | Tos | - | - | N Channel MOSFET |
| UU | SMAJ20C | LOn | - | SMA | 20V Bi Directional Transient Supressor |
| UV | SMAJ20CA | LOn | - | SMA | 20V Bi Directional Transient Supressor |
| UW | SMAJ22C | LOn | - | SMA | 22V Bi Directional Transient Supressor |
| UX | SMAJ22CA | LOn | - | SMA | 22V Bi Directional Transient Supressor |
| UY | SMAJ24C | LOn | - | SMA | 24V Bi Directional Transient Supressor |
| UZ | SMAJ24CA | LOn | - | SMA | 24V Bi Directional Transient Supressor |
