The Hirose DF33C series is a 3.3mm-pitch, compact connector family designed for internal power-source connections. The product list confirms a wide variety, including headers and sockets in 2 to 12 positions, with both single-row (e.g., 2P-6P) and double-row (e.g., 4DP-12DP) interfaces, as well as right-angle types (RS, RDS). Key specifications from the documentation include a rated current and voltage of 5.0A and 500V AC/DC respectively, an operating temperature range of -35°C to 85°C, Through-Hole Technology (THT) mounting, and crimp termination for 20-22 AWG wire. As per the provided details, the series is engineered for reliability and safety, featuring a secure lock mechanism, excellent contact retention, and designs that support accurate board placement, resin sealing, and prevention of short circuits and solder cracking, all while ensuring an easy mating operation, making it a robust solution for power distribution within electronic assemblies.

| Connector Type | Header, Socket, Contact, Others | Parts | Retainer |
| Rated Current | 5.0A | Number of Positions | 2, 3, 4, 5, 6, 8, 10, 12 |
| Rated Voltage(AC) | AC 500.0V | Mounting Pitch | 3.3mm |
| Rated Voltage(DC) | DC 500.0V | Mounting Side | Standard on-Board |
| Number of Rows(Interface) | 1, 2 | Connector Orientation | Straight |
| Contact Pitch | 3.3mm | Contact Plating | Tin |
| Mounting Style | THT | Housing Color | Black, White |
| Recommended PCB Thickness | 1.6mm Max. | Recommended Max.Wire Size (AWG) | 20 |
| Mating/Unmating Cycles | 30 | Recommended Min.Wire Size (AWG) | 22 |
| Wire Termination Method | Crimping | Operating Temperature Max. | 85℃ |
| Connector Type Details | Accessory | Operating Temperature Min. | -35℃ |
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