| Electronic component: | Description: | Manuf. | Package | Pins | T°min | T°max | Datasheet |
|---|
| R1221N39XB-TR | Step-down DC/DC converter with voltage detector. Output voltage (Vout) 3.9V. Detector threshold (-Vdet). Stepwise setting with a step of 0.1V in the range of 1.2V to 4.5V. Oscillator frequency 500kHz | distributor | - | 6 | -40°C | 85°C | 218 K |
| R1221N39XB-TR | Step-down DC/DC converter with voltage detector. Output voltage (Vout) 3.9V. Detector threshold (-Vdet). Stepwise setting with a step of 0.1V in the range of 1.2V to 4.5V. Oscillator frequency 500kHz | distributor | - | 6 | -40°C | 85°C | 218 K |
| R1221N39XC-TR | Step-down DC/DC converter with voltage detector. Output voltage (Vout) 3.9V. Detector threshold (-Vdet). Stepwise setting with a step of 0.1V in the range of 1.2V to 4.5V. Oscillator frequency 300kHz | distributor | - | 6 | -40°C | 85°C | 218 K |
| R1221N39XD-TR | Step-down DC/DC converter with voltage detector. Output voltage (Vout) 3.9V. Detector threshold (-Vdet). Stepwise setting with a step of 0.1V in the range of 1.2V to 4.5V. Oscillator frequency 500kHz | distributor | - | 6 | -40°C | 85°C | 218 K |
| R1221N39XE-TR | Step-down DC/DC converter with voltage detector. Output voltage (Vout) 3.9V. Detector threshold (-Vdet). Stepwise setting with a step of 0.1V in the range of 1.2V to 4.5V. Oscillator frequency 300kHz | distributor | - | 6 | -40°C | 85°C | 218 K |
| R1221N39XF-TR | Step-down DC/DC converter with voltage detector. Output voltage (Vout) 3.9V. Detector threshold (-Vdet). Stepwise setting with a step of 0.1V in the range of 1.2V to 4.5V. Oscillator frequency 500kHz | distributor | - | 6 | -40°C | 85°C | 218 K |
| R1221N39XG-TR | Step-down DC/DC converter with voltage detector. Output voltage (Vout) 3.9V. Detector threshold (-Vdet). Stepwise setting with a step of 0.1V in the range of 1.2V to 4.5V. Oscillator frequency 300kHz | distributor | - | 6 | -40°C | 85°C | 218 K |
| R3111N391C-TR | Low voltage detector. Detector threshold (-Vdet) 3.9V. Output type: CMOS. Standard taping specification TR | distributor | - | 5 | -40°C | 85°C | 205 K |
| R3131N39EA-TR | Low voltage detector with built-in delay circuit. Detector threshold 3.9V. Standard output delay time 240ms. Output type Nch open drain. Detection mode H series output. Taping type TR. | distributor | - | 3 | -40°C | 85°C | 273 K |
| R3131N39EC-TR | Low voltage detector with built-in delay circuit. Detector threshold 3.9V. Standard output delay time 240ms. Output type CMOS. Detection mode H series output. Taping type TR. | distributor | - | 3 | -40°C | 85°C | 273 K |
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