| PartNumber | OP598A | OP598C | OP593C |
| Description | Phototransistors PHOTOTRANSISTOR | Phototransistors Photo Transistor | Phototransistors Photo Transistor |
| Manufacturer | TT Electronics | TT Electronics | TT Electronics |
| Product Category | Phototransistors | Phototransistors | Phototransistors |
| RoHS | Y | Y | Y |
| Product | Phototransistors | Phototransistors | Phototransistors |
| Package / Case | TO-18-2 | TO-18-2 | TO-18-2 |
| Mounting Style | Through Hole | Through Hole | Through Hole |
| Peak Wavelength | 890 nm | - | - |
| Maximum On State Collector Current | 10 mA | 10 mA | 4 mA |
| Collector Emitter Voltage VCEO Max | 30 V | 30 V | 30 V |
| Collector Emitter Breakdown Voltage | 30 V | 30 V | 30 V |
| Collector Emitter Saturation Voltage | 0.4 V | 0.4 V | 0.4 V |
| Dark Current | 100 nA | 100 nA | 100 nA |
| Pd Power Dissipation | 250 mW | 250 mW | 250 mW |
| Minimum Operating Temperature | - 40 C | - 40 C | - 40 C |
| Maximum Operating Temperature | + 100 C | + 100 C | + 100 C |
| Height | 5.84 mm | 6.6 mm | - |
| Lens Color/Style | Blue | - | - |
| Packaging | Bulk | Bulk | Bulk |
| Type | NPN Silicon Phototransistor | NPN Silicon Phototransistor | NPN Silicon Phototransistor |
| Wavelength | 890 nm | 890 nm | 890 nm |
| Brand | Optek / TT Electronics | Optek / TT Electronics | Optek / TT Electronics |
| Product Type | Phototransistors | Phototransistors | Phototransistors |
| Factory Pack Quantity | 700 | 700 | 700 |
| Subcategory | Optical Detectors and Sensors | Optical Detectors and Sensors | Optical Detectors and Sensors |
| Length | - | 5.72 mm | - |
| Width | - | 5.75 mm | - |