There is a feedback circuit that will keep the SETI voltage at ~1.2V, so the flowing current is just set by 1.2V/ SETI resistance. You can use a 0402 resistor for this.
There is a feedback circuit that will keep the SETI voltage at ~1.2V, so the flowing current is just set by 1.2V/ SETI resistance. You can use a 0402 resistor for this.