# DF40HC(3.0)-70DS-0.4V(51) (Component) ## Description 70 Position Connector Receptacle, Center Strip Contacts Surface Mount Gold It is a 70-position, surface-mount receptacle connector with a 0.4 mm pitch, intended for stacking two PCBs with a 3.0 mm mated height. The connector belongs to the DF40 series, which is optimized for miniaturized, high-speed, and reliable interconnections in space-constrained applications. Connector type: Receptacle (female), board-to-board / mezzanine Number of contacts: 70 pins (2 rows) Pitch: 0.4 mm (fine pitch, high density) Mounting: Surface Mount Technology (SMT) Stacking height: 3.0 mm Contact plating: Gold (ensures reliable conductivity and durability) Rated current: ~0.3 A per contact Rated voltage: up to 50 V AC/DC Operating temperature: approx. –55 °C to +85 °C Durability: ~30 mating cycles Compact, low-profile design for thin devices High-speed signal capability (supports interfaces like USB, MIPI, PCIe) Self-alignment feature to improve mating accuracy Strong contact force with wipe action for stable electrical connection Shock absorption and solder wicking prevention for reliability #CommonPartsLibrary #Connector #DF40 ## Component Details - **Owner:** adrian95 - **Created:** 4/16/2026 - **Last Updated:** 4/16/2026 - **Visibility:** Public - **Datasheet URL:** https://www.hirose.com/en/product/document?clcode=&productname=&series=DF40&documenttype=Catalog&lang=en&documentid=en_DF40_CAT - **Manufacturer Name:** Hirose Electric Co Ltd - **Manufacturer Part Number:** DF40HC_3.0_-70DS-0.4V_51_ - **Datasheet:** https://www.hirose.com/medias/ed_DF40_20260107.pdf?context=bWFzdGVyfHByaXZhdGVfc3lzX3VwbG9hZHw4NzI0MTl8YXBwbGljYXRpb24vcGRmfGMzbHpMVzFoYzNSbGNpOXdjbWwyWVhSbFgzTjVjMTkxY0d4dllXUXZhRFl3TDJnelpDODVPRFV6TVRJNE5EYzBOalUwTDJWa1gwUkdOREJmTWpBeU5qQXhNRGN1Y0dSbXw1ZWJmNzhiMmZhM2Y4OGNmMTkwZDhiOTY4N2ExYzRiZjQ3YzhkMWVhYzUzODE1NWUwNWJlMzMxYzczN2QyODRm - **License:** https://creativecommons.org/licenses/by/4.0/ - **Part Type:** Connector - **Part Type:** Connectors - **Sub-Type:** Card Edge Connectors - **MPN:** DF40HC_3.0_-70DS-0.4V_51_ - **Mount Type:** Surface Mount - **Package / Case Code:** TO - **Pin Count:** 70 ## Pins | Pin | Name | Type | |-----|------|------| | 1 | 1 | | | 2 | 2 | | | 3 | 3 | | | 4 | 4 | | | 5 | 5 | | | 6 | 6 | | | 7 | 7 | | | 8 | 8 | | | 9 | 9 | | | 10 | 10 | | | 11 | 11 | | | 12 | 12 | | | 13 | 13 | | | 14 | 14 | | | 15 | 15 | | | 16 | 16 | | | 17 | 17 | | | 18 | 18 | | | 19 | 19 | | | 20 | 20 | | | 21 | 21 | | | 22 | 22 | | | 23 | 23 | | | 24 | 24 | | | 25 | 25 | | | 26 | 26 | | | 27 | 27 | | | 28 | 28 | | | 29 | 29 | | | 30 | 30 | | | 31 | 31 | | | 32 | 32 | | | 33 | 33 | | | 34 | 34 | | | 35 | 35 | | | 36 | 36 | | | 37 | 37 | | | 38 | 38 | | | 39 | 39 | | | 40 | 40 | | | 41 | 41 | | | 42 | 42 | | | 43 | 43 | | | 44 | 44 | | | 45 | 45 | | | 46 | 46 | | | 47 | 47 | | | 48 | 48 | | | 49 | 49 | | | 50 | 50 | | | 51 | 51 | | | 52 | 52 | | | 53 | 53 | | | 54 | 54 | | | 55 | 55 | | | 56 | 56 | | | 57 | 57 | | | 58 | 58 | | | 59 | 59 | | | 60 | 60 | | | 61 | 61 | | | 62 | 62 | | | 63 | 63 | | | 64 | 64 | | | 65 | 65 | | | 66 | 66 | | | 67 | 67 | | | 68 | 68 | | | 69 | 69 | | | 70 | 70 | | --- *Generated from [https://www.flux.ai/adrian95/df40hc3p0-70ds-0p4v51](https://www.flux.ai/adrian95/df40hc3p0-70ds-0p4v51)*