HRS DF57-2830SCF
Product Overview
The DF57 Series is a low-profile "Swing-Lock" board-to-wire connector designed for power applications. It features a reinforced lock structure with a unique swing-lock mechanism for enhanced cable retention and resistance to disengagement under load. The connector offers high reliability with a two-point contact terminal geometry and an insert guide key to prevent misalignment, ensuring correct mating and preventing connector breakage. Its compact design achieves a stacking height of 1.4mm while maintaining an effective mating length of 0.42mm. The integral molding prevents solder wicking, and reinforcing hardware prevents case disengagement. This series is cost-effective due to the collective integration of terminals and metal fittings into the molding, reducing assembly costs. Compliant with UL-CSA standards.
Product Attributes
- Brand: HIROSE ELECTRIC CO., LTD.
- Certifications: UL-CSA
- Material (Header Insulator): LCP (Color: Black, UL94V-0)
- Material (Contacts): Brass (Tin Plated)
- Material (Crimp socket Insulator): DF57H: PBT (White, UL94V-0), DF57AH: LCP (Black)
- Material (Crimp contacts): Phosphor bronze (Tin Plated)
Technical Specifications
| Item | Rating | 2pos. | 3pos. | 4pos. | 5,6pos. | Note |
| Current rating (AWG#26) | _ | _ | _ | 1.5A | ||
| Current rating (AWG#28) | 2.5A | 2.0A | 1.5A | |||
| Current rating (AWG#30) | 1.5A | 1.0A | ||||
| Current rating (AWG#32) | 1.0A | 0.8A | ||||
| Current rating (AWG#34) | 0.8A | 0.5A | ||||
| Voltage rating (2 to 6 pos.) | 50V AC/DC | 50V AC/DC | 50V AC/DC | 50V AC/DC | ||
| Voltage rating (2 pos. Middle pin removed) | 100V AC/DC | |||||
| Operating temperature range | -35C to 85C | Includes temperature rise caused by current flow. | ||||
| Operating humidity range | 20% to 80% | |||||
| Storage temperature range | -10C to 60C | Refers to products stored for a long period prior to mounting and use. | ||||
| Storage humidity range | 40% to 70% | Refers to products stored for a long period prior to mounting and use. | ||||
| Item | Specification | Conditions | Result |
| Insulation resistance | 100 M min. | 100 V DC | |
| Withstanding voltage | No flashover or insulation breakdown | 500 V AC / 1 minute | |
| Contact resistance | 10 m max. | 20 mV max., at 1 mA. | |
| Vibration | No electrical discontinuity of 1 s or longer, No damage, cracks or parts dislocation. | Frequency: 10 to 55 Hz, single amplitude of 0.75 mm, 10 cycles, 3 direction | |
| Shock | No electrical discontinuity of 1 s or longer, No damage, cracks or parts dislocation. | Acceleration of 490 m/s, 11 ms duration, sine half-wave, 3 cycles in each of the 3 axis | |
| Humidity | Contact resistance: 20 m max., Insulation resistance: 500 M min. No damage, cracks or parts dislocation. | 96 hours at 40 2C, and humidity of 90 to 95% | |
| Temperature cycle | Contact resistance: 20 m max., Insulation resistance: 500 M min. No damage, cracks or parts dislocation. | -55C 5 to 35C 85C 5 to 35C Times: 30 min. 2 min. to 3 min. 30 min. 2 min. to 3 min. 5 cycles | |
| Durability | Contact resistance: 20 m max. No damage, cracks or parts dislocation. | 30 cycles | |
| Resistance to soldering heat | No deformation of components affecting performance | Reflow: At the recommended temperature profile, Manual soldering: 350C for 3 seconds |
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