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| # | Part: | Description: | Manuf. | Package | Pins | T°min | T°max | PDF size |
| 51. |  1N483B | 0.8-1.0 volt general purpose silicon diode | CDIDI | DO-7 | 2 | -65°C | 175°C | 68K |
| 52. | 1N485B | 0.8-1.0 volt general purpose silicon diode | CDIDI | DO-7 | 2 | -65°C | 175°C | 68K |
| 53. | 1N486B | 0.8-1.0 volt general purpose silicon diode | CDIDI | DO-7 | 2 | -65°C | 175°C | 68K |
| 54. | 1N4896 | 12.8 volt temperature compensated zener reference diode | CDIDI | DO-35 | 2 | -65°C | 175°C | 65K |
| 55. | R1221N48XG-TR | Step-down DC/DC converter with voltage detector. Output voltage (Vout) 4.8V. Detector threshold (-Vdet). Stepwise setting with a step of 0.1V in the range of 1.2V to 4.5V. Oscillator frequency 300kHz | RICOH | SOT-23 | 6 | -40°C | 85°C | 218K |
| 56. | R1221N48XH-TR | Step-down DC/DC converter with voltage detector. Output voltage (Vout) 4.8V. Detector threshold (-Vdet). Stepwise setting with a step of 0.1V in the range of 1.2V to 4.5V. Oscillator frequency 500kHz | RICOH | SOT-23 | 6 | -40°C | 85°C | 218K |
| 57. | R3111N481A-TR | Low voltage detector. Detector threshold (-Vdet) 4.8V. Output type: Nch open drain. Standard taping specification TR | RICOH | SOT-23 | 5 | -40°C | 85°C | 205K |
| 58. | R3111N481C-TR | Low voltage detector. Detector threshold (-Vdet) 4.8V. Output type: CMOS. Standard taping specification TR | RICOH | SOT-23 | 5 | -40°C | 85°C | 205K |
| 59. | R3131N48EA-TR | Low voltage detector with built-in delay circuit. Detector threshold 4.8V. Standard output delay time 240ms. Output type Nch open drain. Detection mode H series output. Taping type TR. | RICOH | SOT-23 | 3 | -40°C | 85°C | 273K |
| 60. | R3131N48EC-TR | Low voltage detector with built-in delay circuit. Detector threshold 4.8V. Standard output delay time 240ms. Output type CMOS. Detection mode H series output. Taping type TR. | RICOH | SOT-23 | 3 | -40°C | 85°C | 273K |
