| Компонент | Описание | Производитель | PDF | Buy |
| UN521L | Silicon NPN epitaxial planer transistor | Panasonic Semiconductor |  |  |
| UN521L | Silicon NPN epitaxial planar type | Panasonic Semiconductor | | |
| PT6521L | 8-A 5-V/3.3-V Input Adjustable ISR with Short-Circuit protection | Texas Instruments | | |
| UNR521L | Silicon NPN epitaxial planar type | Panasonic Semiconductor | | |
| FDR8521L | P-Channel MOSFET With Gate Driver For Load Switch Application | Fairchild Semiconductor | | |
| NJM2521L | 3-INPUT 1-OUTPUT AUDIO SWITCH | New Japan Radio | | |
| FDMC89521L | Dual N-Channel PowerTrench^ MOSFET 60 V, 8.2 A, 17 mY | Fairchild Semiconductor | | |
| IDT54FCT521L | FAST CMOS 8-BIT IDENTITY COMPARATOR | Integrated Device Technology | | |
| IDT74FCT521L | FAST CMOS 8-BIT IDENTITY COMPARATOR | Integrated Device Technology | | |
| PS2521L-1 | LARGE FORWARD INPUT TYPE HIGH ISOLATION VOLTAGE MULTI PHOTOCOUPLER SERIES | California Eastern Labs | | |
| PS2521L-1 | LARGE FORWARD INPUT TYPE HIGH ISOLATION VOLTAGE MULTI PHOTOCOUPLER SERIES | Renesas Technology Corp | | |
| PS2521L-1 | LARGE FORWARD INPUT TYPE HIGH ISOLATION VOLTAGE MULTI PHOTOCOUPLER SIRIES | NEC | | |
| PS2521L-1 | LARGE FORWARD INPUT TYPE HIGH ISOLATION VOLTAGE MULTI PHOTOCOUPLER SERIES | California Eastern Labs | | |
| PS2521L-1-A | LARGE FORWARD INPUT TYPE HIGH ISOLATION VOLTAGE MULTI PHOTOCOUPLER SERIES | California Eastern Labs | | |
| PS2521L-1-A | LARGE FORWARD INPUT TYPE HIGH ISOLATION VOLTAGE MULTI PHOTOCOUPLER SERIES | California Eastern Labs | | |
| PS2521L-1-E3 | LARGE FORWARD INPUT TYPE HIGH ISOLATION VOLTAGE MULTI PHOTOCOUPLER SIRIES | NEC | | |
| PS2521L-1-E3 | LARGE FORWARD INPUT TYPE HIGH ISOLATION VOLTAGE MULTI PHOTOCOUPLER SERIES | California Eastern Labs | | |
| PS2521L-1-E3 | LARGE FORWARD INPUT TYPE HIGH ISOLATION VOLTAGE MULTI PHOTOCOUPLER SERIES | California Eastern Labs | | |
| PS2521L-1-E3-A | LARGE FORWARD INPUT TYPE HIGH ISOLATION VOLTAGE MULTI PHOTOCOUPLER SERIES | California Eastern Labs | | |
| PS2521L-1-E3-A | LARGE FORWARD INPUT TYPE HIGH ISOLATION VOLTAGE MULTI PHOTOCOUPLER SERIES | California Eastern Labs | | |
