| 型號 | 廠商 | 描述 |
| r1232d231a 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 |
Ricoh Co., Ltd. | PWM STEP-DOWN DC/DC CONVERTER WITH SYNCHRONOUS RECTIFIER |
| r1232d231b 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 |
Ricoh Co., Ltd. | PWM STEP-DOWN DC/DC CONVERTER WITH SYNCHRONOUS RECTIFIER |
| r1232d241a 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 |
Ricoh Co., Ltd. | PWM STEP-DOWN DC/DC CONVERTER WITH SYNCHRONOUS RECTIFIER |
| r1232d241b 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 |
Ricoh Co., Ltd. | PWM STEP-DOWN DC/DC CONVERTER WITH SYNCHRONOUS RECTIFIER |
| r1232d251a 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 |
Ricoh Co., Ltd. | PWM STEP-DOWN DC/DC CONVERTER WITH SYNCHRONOUS RECTIFIER |
| r1232d251b 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 |
Ricoh Co., Ltd. | PWM STEP-DOWN DC/DC CONVERTER WITH SYNCHRONOUS RECTIFIER |
| r1232d261b 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 |
Ricoh Co., Ltd. | PWM STEP-DOWN DC/DC CONVERTER WITH SYNCHRONOUS RECTIFIER |
| r1232d271a 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 |
Ricoh Co., Ltd. | PWM STEP-DOWN DC/DC CONVERTER WITH SYNCHRONOUS RECTIFIER |
| r1232d271b 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 |
Ricoh Co., Ltd. | PWM STEP-DOWN DC/DC CONVERTER WITH SYNCHRONOUS RECTIFIER |
| r1232d281a 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 |
Ricoh Co., Ltd. | PWM STEP-DOWN DC/DC CONVERTER WITH SYNCHRONOUS RECTIFIER |
| r1232d281b 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 |
Ricoh Co., Ltd. | PWM STEP-DOWN DC/DC CONVERTER WITH SYNCHRONOUS RECTIFIER |
| r1232d291a 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 |
Ricoh Co., Ltd. | PWM STEP-DOWN DC/DC CONVERTER WITH SYNCHRONOUS RECTIFIER |
| r1232d291b 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 |
Ricoh Co., Ltd. | PWM STEP-DOWN DC/DC CONVERTER WITH SYNCHRONOUS RECTIFIER |
| r1232d301a 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 |
Ricoh Co., Ltd. | PWM STEP-DOWN DC/DC CONVERTER WITH SYNCHRONOUS RECTIFIER |
| r1232d301b 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 |
Ricoh Co., Ltd. | PWM STEP-DOWN DC/DC CONVERTER WITH SYNCHRONOUS RECTIFIER |
| r1232d311a 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 |
Ricoh Co., Ltd. | PWM STEP-DOWN DC/DC CONVERTER WITH SYNCHRONOUS RECTIFIER |
| r1232d311b 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 |
Ricoh Co., Ltd. | PWM STEP-DOWN DC/DC CONVERTER WITH SYNCHRONOUS RECTIFIER |
| r1232d321a 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 |
Ricoh Co., Ltd. | PWM STEP-DOWN DC/DC CONVERTER WITH SYNCHRONOUS RECTIFIER |
| r1232d321b 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 |
Ricoh Co., Ltd. | PWM STEP-DOWN DC/DC CONVERTER WITH SYNCHRONOUS RECTIFIER |
| r1232d331a 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 |
Ricoh Co., Ltd. | PWM STEP-DOWN DC/DC CONVERTER WITH SYNCHRONOUS RECTIFIER |
| r1232d331b 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 |
Ricoh Co., Ltd. | PWM STEP-DOWN DC/DC CONVERTER WITH SYNCHRONOUS RECTIFIER |
| r1232d 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 |
Ricoh Co., Ltd. | PWM STEP-DOWN DC/DC CONVERTER WITH SYNCHRONOUS RECTIFIER |
| r1232d001c 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 |
Ricoh Co., Ltd. | PWM STEP-DOWN DC/DC CONVERTER WITH SYNCHRONOUS RECTIFIER |
| r1232d001d 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 |
Ricoh Co., Ltd. | PWM STEP-DOWN DC/DC CONVERTER WITH SYNCHRONOUS RECTIFIER |
| r1232d091a 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 |
Ricoh Co., Ltd. | PWM STEP-DOWN DC/DC CONVERTER WITH SYNCHRONOUS RECTIFIER |
| r1232d091b 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 |
Ricoh Co., Ltd. | PWM STEP-DOWN DC/DC CONVERTER WITH SYNCHRONOUS RECTIFIER |
| r1232d101a 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 |
Ricoh Co., Ltd. | PWM STEP-DOWN DC/DC CONVERTER WITH SYNCHRONOUS RECTIFIER |
| r1232d101b 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 |
Ricoh Co., Ltd. | PWM STEP-DOWN DC/DC CONVERTER WITH SYNCHRONOUS RECTIFIER |
| r1232d111a 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 |
Ricoh Co., Ltd. | PWM STEP-DOWN DC/DC CONVERTER WITH SYNCHRONOUS RECTIFIER |
| r1232d111b 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 |
Ricoh Co., Ltd. | PWM STEP-DOWN DC/DC CONVERTER WITH SYNCHRONOUS RECTIFIER |
| r1232d121a 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 |
Ricoh Co., Ltd. | PWM STEP-DOWN DC/DC CONVERTER WITH SYNCHRONOUS RECTIFIER |
| r1232d121b 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 |
Ricoh Co., Ltd. | PWM STEP-DOWN DC/DC CONVERTER WITH SYNCHRONOUS RECTIFIER |
| r1232d131a 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 |
Ricoh Co., Ltd. | PWM STEP-DOWN DC/DC CONVERTER WITH SYNCHRONOUS RECTIFIER |
| r1232d131b 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 |
Ricoh Co., Ltd. | PWM STEP-DOWN DC/DC CONVERTER WITH SYNCHRONOUS RECTIFIER |
| r1232d141a 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 |
Ricoh Co., Ltd. | PWM STEP-DOWN DC/DC CONVERTER WITH SYNCHRONOUS RECTIFIER |
| r1232d141b 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 |
Ricoh Co., Ltd. | PWM STEP-DOWN DC/DC CONVERTER WITH SYNCHRONOUS RECTIFIER |
| r1232d151a 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 |
Ricoh Co., Ltd. | PWM STEP-DOWN DC/DC CONVERTER WITH SYNCHRONOUS RECTIFIER |
| r1232d151b 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 |
Ricoh Co., Ltd. | PWM STEP-DOWN DC/DC CONVERTER WITH SYNCHRONOUS RECTIFIER |
| r1232d161a 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 |
Ricoh Co., Ltd. | Replacement for National Semiconductor part number DM7490AN. Buy from authorized manufacturer Rochester Electronics. |
| r1232d161b 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 |
Ricoh Co., Ltd. | PWM STEP-DOWN DC/DC CONVERTER WITH SYNCHRONOUS RECTIFIER |
| r1232d171a 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 |
Ricoh Co., Ltd. | PWM STEP-DOWN DC/DC CONVERTER WITH SYNCHRONOUS RECTIFIER |
| r1232d171b 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 |
Ricoh Co., Ltd. | PWM STEP-DOWN DC/DC CONVERTER WITH SYNCHRONOUS RECTIFIER |
| r1232d181a 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 |
Ricoh Co., Ltd. | PWM STEP-DOWN DC/DC CONVERTER WITH SYNCHRONOUS RECTIFIER |
| r1232d181b 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 |
Ricoh Co., Ltd. | PWM STEP-DOWN DC/DC CONVERTER WITH SYNCHRONOUS RECTIFIER |
| r1232d191a 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 |
Ricoh Co., Ltd. | PWM STEP-DOWN DC/DC CONVERTER WITH SYNCHRONOUS RECTIFIER |
| r1232d191b 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 |
Ricoh Co., Ltd. | PWM STEP-DOWN DC/DC CONVERTER WITH SYNCHRONOUS RECTIFIER |
| r1232d201a 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 |
Ricoh Co., Ltd. | PWM STEP-DOWN DC/DC CONVERTER WITH SYNCHRONOUS RECTIFIER |
| r1232d201b 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 |
Ricoh Co., Ltd. | PWM STEP-DOWN DC/DC CONVERTER WITH SYNCHRONOUS RECTIFIER |
| r1232d211a 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 |
Ricoh Co., Ltd. | PWM STEP-DOWN DC/DC CONVERTER WITH SYNCHRONOUS RECTIFIER |
| r1234d 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 |
Ricoh Co., Ltd. | PWM/VFM Step-Down DC/DC CONVERTER with Synchronous Rectifier |