Glossary
FAQ
Application Note : Design of Fundamental Phototransistor Circuits

| Product Type | IC(ON) (mA) min |
Test Conditions | Output | Aperture Width (mm) |
| H22A1 | 1.0 | If = 20mA, VCE = 5V | Phototransistor | 0.94 |
| H22A2 | 2.0 | If = 20mA, VCE = 5V | Phototransistor | 0.94 |
| H22A3 | 4.0 | If = 20mA, VCE = 5V | Phototransistor | 0.94 |
| H22B1 | 7.5 | If = 10mA, VCE = 1.5V | Photodarlington | 0.94 |
| H22B2 | 14.0 | If = 10mA, VCE = 1.5V | Photodarlington | 0.94 |
| H22B3 | 25.0 | If = 10mA, VCE = 1.5V | Photodarlington | 0.94 |

| Product Type | IF+ (mA) max |
Test Conditions | Output | Aperture Width (mm) |
| H22LTB | 15.0 | VCC = 5V | Buffer Totem Pole | 0.94 |
| H22LTI | 15.0 | VCC = 5V | Inverter Totem Pole | 0.94 |
| H22LOB | 15.0 | VCC = 5V | Buffer Open Collector | 0.94 |
| H22LOI | 15.0 | VCC = 5V | Inverter Open Collector | 0.94 |