| Code | Device | Manf | Base | Package | Leaded Equivalent/Data |
| J0 | HSMS-2840 | HP | C | SOT23 | schottky diode |
| J0 | CMOZ39V | CSC | I | SOD523 | zener 350mW 5% 139V |
| J01 | SO2906R | N | 2N2906 | ||
| J03 | SO2907AR | R | 2N2907A | ||
| J05 | SO2907R | R | 2N2907 | ||
| J1 | HSMS-2841 | HP | K | SOT23 | schottky diode |
| J1 | ZC830 | Zet | C | ZC820 varicaps | |
| J1 | BSS138L | Mot | M | SOT23 | n-ch enh TMOS fet |
| J1 | MMSZ5246 | Vis | I | SOD123 | zener 300mW 5% 16V |
| J1 | CMOZ16V | CSC | I | SOD523 | zener 350mW 5% 16V |
| J1A | ZC830A | Zet | C | SOT23 | varicap hyperabrupt 28V 10pF@2V |
| J1B | ZC830B | Zet | C | SOT23 | varicap hyperabrupt 28V 10pF@2V |
| pJ1 | BSH101 | Phi | M | SOT23 | n-ch 60V 0.7A mosfet |
| pJ2 | BSH102 | Phi | M | SOT23 | n-ch 30V 1A mosfet |
| J2 | ZC833 | Zet | C | SOT23 | ZC823 |
| J2 | MMSZ5247 | Vis | I | SOD123 | zener 300mW 5% 17V |
| J2 | CMOZ18V | CSC | I | SOD523 | zener 350mW 5% 18V |
| J2A | ZC833A | Zet | C | SOT23 | varicap hyperabrupt 28V 33pF@2V |
| J2B | ZC833B | Zet | C | SOT23 | varicap hyperabrupt 28V 33pF@2V |
| pJ3 | BSH103 | Phi | M | SOT23 | n-ch 30V 0.8A mosfet |
| J3 | ZC831 | Zet | C | SOT23 | ZC821 |
| J3 | MMSZ5248 | Vis | I | SOD123 | zener 300mW 5% 18V |
| J3 | CMOZ20V | CSC | I | SOD523 | zener 350mW 5% 20V |
| J3A | ZC831A | Zet | C | SOT23 | varicap hyperabrupt 28V 15pF@2V |
| J3B | ZC831B | Zet | C | SOT23 | varicap hyperabrupt 28V 15pF@2V |
| J3D | MSB81T1 | Mot | vhf pnp fT 0.6GHz | ||
| J4A | MBV109 | Mot | C | SOT23 | 29pF VHF varicap diode |
| J4 | ZC832 | Zet | C | SOT23 | ZC823 |
| J4 | MMSZ5249 | Vis | I | SOD123 | zener 300mW 5% 19V |
| J4 | CMOZ22V | CSC | I | SOD523 | zener 350mW 5% 22V |
| J4A | ZC832A | Zet | C | SOT23 | varicap hyperabrupt 28V 22pF@2V |
| J4B | ZC832B | Zet | C | SOT23 | varicap hyperabrupt 28V 22pF@2V |
| J5 | ZC834 | Zet | C | SOT23 | ZC824 |
| J5 | MMSZ5250 | Vis | I | SOD123 | zener 300mW 5% 20V |
| J5 | CMOZ16V | CSC | I | SOD523 | zener 350mW 5% 24V |
| J5A | ZC834A | Zet | C | SOT23 | varicap hyperabrupt 28V 47pF@2V |
| J5B | ZC834B | Zet | C | SOT23 | varicap hyperabrupt 28V 47pF@2V |
| J6 | M1MA174 | Mot | C | gp Si diode 100V | |
| J6 | ZC835 | Zet | C | SOT23 | ZC825 |
| J6 | CMOZ27V | CSC | I | SOD523 | zener 350mW 5% 27V |
| J6A | ZC835A | Zet | C | SOT23 | varicap hyperabrupt 28V 68pF@2V |
| J6B | ZC835B | Zet | C | SOT23 | varicap hyperabrupt 28V 68pF@2V |
| J7 | ZC836 | Zet | C | SOT23 | ZC826 |
| J7 | CMOZ30V | CSC | I | SOD523 | zener 350mW 5% 30V |
| J7A | ZC830A | Zet | C | SOT23 | varicap hyperabrupt 28V 100pF@2V |
| J7B | ZC830B | Zet | C | SOT23 | varicap hyperabrupt 28V 100pF@2V |
| J8 | BCX71JR | Phi | R | SOT23R | BCY79-ix |
| J8 | CMOZ33V | CSC | I | SOD523 | zener 350mW 5% 33V |
| J9 | CMOZ36V | CSC | I | SOD523 | zener 350mW 5% 16V |
| J9A | ZC829A | Zet | I | SOT23 | varicap hyperabrupt 28V 8.2pF@2V |
| J9B | ZC829B | Zet | I | SOT23 | varicap hyperabrupt 28V 8.2pF@2V |
| J12 | SO2906AR | R | 2N2906A | ||
| J32 | SO5400R | SGS | R | 2N5400 | |
| J33 | SO5401R | SGS | R | 2N5401 | |
| J39 | SO692R | SGS | pnp Vce 300V | ||
| JA | BAV74 | Zet | B | SOT23 | dual diode cc 50V 0.1A |
| JA | BAV74 | Mot | B | SOT23 | dual sw diodes |
| JBs | BAR74 | Sie | C | SOT23 | fast sw diode 50V 0.25A |
| JCs | BAL74 | Sie | V | SOT23 | fast sw diode 50V 0.25A |
| JFs | BAL99 | Sie | V | SOT23 | fast sw diode 70V 0.25A |
| JG | BAR99 | Sie | E | fast sw diode 70V 0.25A | |
| JKs | BF1009 | Sie | W | SOT143 | biased n-ch dg mosfet 1GHz 9V |
| JLs | BF1009S | Sie | W | SOT143 | biased n-ch dg mosfet 1GHz 9V |
| JL | MRF949 | Mot | N | SOT323 | npn RF fT 9GHz |
| JP | CMDZ4L3 | CSC | I | SOD323 | zener 250mW Iz 0.5mA 4.3V |
| JPs | BAS19 | Sie | C | SOT23 | 120V 250mA fast sw diode |
| JPs | BAW101 | Sie | S | SOT143 | pair isolated 300V sw diodes |
| JRs | BAS20 | Sie | C | SOT23 | 150V 250mA fast sw diode |
| JSs | BAS21 | Sie | C | SOT143 | 200V 250mA fast sw diode |
| JS | BAW100 | Sie | Y | SOT143 | dual isolated fast sw diodes |
| JTs | BAS28 | Sie | S | SOT143 | dual isolated fast sw diodes |
| JTs | BAS28W | Sie | FQ | SOT343 | dual isolated fast sw diodes |
| JV | BAS116 | Sie | C | SOT23 | 250V 75mA Ir 5nA |
| JX | BAV170 | Mot | B | SOT23 | dual cc Si diode low Ir |
| JY | BAV199 | Mot | D | SOT23 | dual series Si diode low Ir |
| JZ | BAW156 | Mot | A | SOT23 | dual ca Si diode low Ir |