| Part Number | UC3871NG4 | UC3872NG4 | 
|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | 
| Category | PMIC - Lighting, Ballast Controllers | PMIC - Lighting, Ballast Controllers | 
|   |   | |
| Product Status | Obsolete | Obsolete | 
| Type | Fluorescent Lamp Controller | Ballast Controller | 
| Frequency | 57kHz ~ 78kHz | 57kHz ~ 78kHz | 
| Voltage - Supply | 4.5V ~ 20V | 4.5V ~ 24V | 
| Current - Supply | 8 mA | 6 mA | 
| Current - Output Source/Sink | - | - | 
| Dimming | No | No | 
| Operating Temperature | 0°C ~ 70°C | 0°C ~ 70°C | 
| Mounting Type | Through Hole | Through Hole | 
| Package / Case | 18-DIP (0.300", 7.62mm) | 14-DIP (0.300", 7.62mm) | 
| Supplier Device Package | 18-PDIP | 14-PDIP |