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| Code | Device | Manufacturer | Base | Package | Leaded Equivalent/Data |
| K | BAT68-03W | Sie | I | SOT323 | BAT68 Schottky |
| K | BBY52-02W | Sie | I | SCD80 | UHF varicap 1.75-1.25pF |
| K | MRF917 | Mot | N | SOT323 | npn RF fT 6GHz |
| K0 | HSMP-3830 | HP | C | SOT23 | gp pin diode HP3830 |
| K1 | HSMP-3831 | HP | K | SOT23 | gp pin diode HP3830 |
| K1 | 2SK2741 | Tos | - | SOT89 | N channel MOSFET |
| K1 | BCW71 | Phi | N | SOT23 | BC107A |
| K14 | DTA114GE | Roh | N | EMT3 | pnp dtr 50V 100mA R2 10k |
| K14 | DTA114GUA | Roh | N | SC70 | pnp dtr 50V 100mA R2 10k |
| K14 | DTA114GKA | Roh | N | SC59 | pnp dtr 50V 100mA R2 10k |
| K15 | DTA124GKA | Roh | N | SC59 | pnp dtr 50V 50mA R2 22k |
| K16 | DTA144GUA | Roh | N | SC70 | npn dtr 50V 100mA R2 47k |
| K16 | DTA144GKA | Roh | N | SC59 | npn dtr 50V 100mA R2 47k |
| K19 | DTA115GUA | Roh | N | SC70 | npn dtr 50V 100mA R2 100k |
| K19 | DTA115GKA | Roh | N | SC59 | npn dtr 50V 100mA R2 100k |
| K1p | BCW71 | Phi | N | SOT23 | BC107A |
| K1t | BCW71 | Phi | N | SOT23 | BC107A |
| K2 | HSMP-3832 | HP | D | SOT23 | dual HP3830 pin diode |
| K2 | 2SK2742 | Tos | - | SOT89 | N channel MOSFET |
| K2p | BCW72 | Phi | N | SOT23 | BC107B ZXT300 |
| K2t | BCW72 | Phi | N | SOT23 | BC107B ZXT300 |
| K2 | BCW72 | Phi | N | SOT23 | BC107B ZXT300 |
| K24 | DTC114GUA | Roh | N | SC70 | npn dtr 50V 100mA R2 22k |
| K24 | DTC114GKA | Roh | N | SC59 | npn dtr 50V 100mA R2 22k |
| K25 | DTA124GUA | Roh | N | SC70 | pnp dtr 50V 50mA R2 22k |
| K25 | DTA124GKA | Roh | N | SC59 | pnp dtr 50V 50mA R2 22k |
| K26 | DTC144GE | Roh | N | EMT3 | npn dtr 50V 100mA R2 47k |
| K26 | DTC144GUA | Roh | N | SC70 | npn dtr 50V 100mA R2 47k |
| K26 | DTC144GKA | Roh | N | SC59 | npn dtr 50V 100mA R2 47k |
| K29 | DTC115GUA | Roh | N | SC70 | npn dtr 50V 100mA R2 100k |
| K29 | DTC115GKA | Roh | N | SC59 | npn dtr 50V 100mA R2 100k |
| K3 | HSMP-3833 | HP | A | SOT23 | dual HP3830 pin diode |
| K3 | BCW81 | Phi | N | SOT23 | npn 50V 0.1A 0.2W hfe 420 |
| K3 | 2SK2839 | Tos | - | SOT89 | N channel MOSFET |
| K31 | BCW81R | Phi | R | - | npn 50V 0.1A 0.2W hfe 420 |
| K3p | BCW81 | Phi | N | SOT23 | npn 50V 0.1A 0.2W hfe 420 |
| K3t | BCW81 | Phi | N | SOT23 | npn 50V 0.1A 0.2W hfe 420 |
| K4 | HSMP-3834 | HP | B | SOT23 | dual HP3830 pin diode |
| K4 | 2SK2836 | Tos | - | SOT89 | N channel MOSFET |
| K5 | BCW72R | Phi | R | SOT23 | BC107B ZTX300 |
| K6 | BCV71R | Phi | R | SOT23 | BC546A |
| K7 | BCV71 | Phi | N | SOT23 | BC546A |
| K7p | BCV71 | Phi | N | SOT23 | BC546A |
| K7t | BCV71 | Phi | N | SOT23 | BC546A |
| K8 | BCV72 | Phi | N | SOT23 | BC546B |
| K8p | BCV72 | Phi | N | SOT23 | BC546B |
| K8t | BCV72 | Phi | N | SOT23 | BC546B |
| K9 | BCV72R | Phi | R | SOT23 | BC546B |
| K9 | 1SS348 | Tos | - | SOT23 | Si Diode |
| KAG | 2SC4409 | Tos | - | SOT89 | Si npn |
| KAG | 2SK368-GR | Tos | - | SOT23 | N channel FET |
| KAO | 2SK368-O | Tos | - | SOT23 | N channel FET |
| KAY | 2SK368-Y | Tos | - | SOT23 | N channel FET |
| KB | MMBT8099L | Mot | N | SOT23 | npn 80V gp |
| KB | 2SC4539 | Tos | - | SOT89 | Si npn |
| KC | BFQ29P | Sie | N | - | BFT66 |
| KC | 2SC4540 | Tos | - | SOT89 | Si npn |
| KCG | 2SK625-G | Tos | - | SOT23 | N channel FET |
| KCO | 2SK625-O | Tos | - | SOT23 | N channel FET |
| KCR | 2SK625-R | Tos | - | SOT23 | N channel FET |
| KCY | 2SK625-Y | Tos | - | SOT23 | N channel FET |
| KD | 2SC4541 | Tos | - | SOT89 | Si npn |
| KE | 2SK1062 | Tos | - | SOT23 | N channel FET |
| KF | 2SJ168 | Tos | - | SOT23 | P channel FET |
| KG | 2SK211-GR | Tos | - | SOT23 | N channel FET |
| KG | 2SK881-GR | Tos | - | SOT323 | N channel FET |
| KH | 2SK1826 | Tos | - | SOT89 | N channel MOSFET |
| KH | 2SK1827 | Tos | - | SOT323 | N channel MOSFET |
| KI | 2SK1828 | Tos | - | SOT89 | N channel MOSFET |
| KI | 2SK1829 | Tos | - | SOT323 | N channel MOSFET |
| KI | 2SK1830 | Tos | - | SS Mini | N channel MOSFET |
| KJ | 2SK2036 | Tos | - | SOT23 | N channel MOSFET |
| KJ | 2SK2037 | Tos | - | SOT23 | N channel MOSFET |
| KL1 | BAT54 | CJe | C | SOT23 | - |
| KL2 | BAT54a | CJe | A | SOT23 | - |
| KL3 | BAT54c | CJe | B | SOT23 | - |
| KL4 | BAT54s | CJe | D | SOT23 | - |
| KM | 2SK2009 | Tos | - | SOT23 | N channel MOSFET |
| KM | BST80 | Phi | T | - | VN10 |
| KN | BST84 | Phi | T | - | Nch VMOS 200V 0.25A |
| KN | 2SJ305 | Tos | - | SOT23 | P channel MOSFET |
| KO | BST86 | Phi | T | - | nch VMOS 180V 0.3A |
| KO | 2SK211-O | Tos | - | SOT23 | N channel FET |
| KO | 2SK881-O | Tos | - | SOT323 | N channel FET |
| KP | 2SK2033 | Tos | - | SOT23 | N channel MOSFET |
| KP | 2SK2034 | Tos | - | SOT323 | N channel MOSFET |
| KP | 2SK2035 | Tos | - | SS Mini | N channel MOSFET |
| KQ | 2SJ343 | Tos | - | SOT23 | P channel MOSFET |
| KQ | 2SJ344 | Tos | - | SOT323 | P channel MOSFET |
| KS | 2SJ345 | Tos | - | SOT23 | P channel MOSFET |
| KS | 2SJ346 | Tos | - | SOT323 | P channel MOSFET |
| KS | 2SJ347 | Tos | - | SS Mini | P channel MOSFET |
| KY | 2SK211-Y | Tos | - | SOT23 | N channel FET |
| KY | 2SK811-Y | Tos | - | SOT323 | N channel FET |
