Unit:mm 0.25mm Pitch FP onnector Upper ontact FF28- A-R11A-3H FF28 2 Number of ontact Refer to th table 1 3 ontact Position A:Upper

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1 0.25 mm Pitch Ultra-low Profile FP Back-lock onnector FF28 Upper ontact OUTLINE The FF28 connector series utilizes a cable lock mechanism to provide positive retention of the FP. This LIF connector has a dedicated upper contact to interface with the FP at a 0.25mm pitch. The ultra-low profile connector has a 0.66mm height, making it one of the smallest board mounted FP LIF connectors on the market. FEATURE DDK s original cam-type back-lock system provides reliable operation and ensures retention from inadvertent upward pulling of the FP. The FF28 connector has an ultra-low height of 0.66mm. Each individual contact is rated to 0.2A current. The FP is mechanically retained within the FF28 with DDK s cable-lock design. These ZIF connectors are delivered with the lock lever opened for maximum production efficiency. ontacts utilize a nickel barrier to prevent solder wicking. The housing and lock lever are made of heat-resistant resin making possible lead-free reflow soldering. FF28 ZIF connectors are delivered in a tape and reel package for automated machine processes. Note : Please do not close the lock lever without inserting the FP. Since cable lock tabs electrify next contacts, please do not use the cable lock tabs as ground tabs. APPLIATIONS Mobile phone, notebook P, PDA, other Portable devices SPEIFIATIONS Rated Voltage Rated urrent Dielectric Withstand Voltage Insulation Resistance ontact Resistance 50V A (r.m.s.) 0.2A / ontact 200V A (r.m.s.) / 1 minute 50 MΩ min. at 250V D 80m Ω max. MATERIAL/FINISH Item onatct Housing Lock lever Material / Finish opper Alloy / Au (Flash) over Ni LP Resin (UL94V-0) / Ivory PPS Resin (UL94V-0) / Black Specifications and/or dimensions in this catalog are subject to change without notice. Please varify the latest specifications with our drawings.

2 Unit:mm 0.25mm Pitch FP onnector Upper ontact FF28- A-R11A-3H FF28 2 Number of ontact Refer to th table 1 3 ontact Position A:Upper ontact Applicable PB Thickness:0.12±0.03mm 4 ontact Style R:Right Angle 5 ontact Tail Length 1:0.45mm / 0.3mm 6 ontact Plating 1:Au (Flash) over Ni 奇数芯数の場合 (Applicable for the odd number contacts) 7 Lock Lever Style A:Standard 8 Material 3H:Halogen Free Dimensions Odd Number of ontact (1.57) (FP Insertion Depth) A B ± ± max. (1.40) D X 0.50 B 0.10± X (0.05) (0.05) No.2 ontact No.(n-1) ontact 0.10± X 0.10± X 0.25±0.03 No.2 ontact onnector Location Pattern Prohibition Area (0.30 min.) Mating Side Recommended PB Mounting Dimensions ontacts are arranged zigzag on from No.1 contact. Lock Lever ± ± ±0.02 No.(n-1) ontact 0.70± ± ±0.03 (3.65) heck Mark(0.07) min. Applicable for FP recommended dimension Recommended FP Dimensions 0.50± ±0.02 E±0.05 ± ± ± ± ± min min. 0.12± min. Stiffener 奇数芯数の場合 (Applicable for the odd number contacts) Specifications and/or dimensions in this catalog are subject to change without notice. Please varify the latest specifications with our drawings. 2 heck Mark(0.07) E±0.05 ±0.03 以下 0.50± ±0.03 ±0.05 ± ±0.03

3 偶数芯数の場合 (Applicable for the even number contacts) 0.25mm Pitch FP onnector Upper ontact Unit:mm Dimensions (1.57) (FP Insertion Depth) Even Number of ontacts 0.25±0.07 A B ± max. (1.40) 奇数芯数の場合 Recommended P..B Pattern lay-out No.1 端子を基準に千鳥に配列 (Shall be able located zig Lock zag from Tab No.1 contacts.) D Applicable for FP recommended dimension 0.25±0.03 No.2 ontact onnector Location Pattern Prohibition Area (0.30 min.) Mating Side Lock Lever ± ±0.02 No.(n-1) ontact able lock Tab 0.30±0.02 Y No.2 ontact Recommended PB Mounting Dimensions ontacts are arranged zigzag from No.1 contact. No.(n) 0.48 ontact ± ± ±0.03 (3.65) B 0.10±0.03 heck Mark(0.07) 0.20 Y No.(n-1) ontact min (0.05) (0.05) 0.50± ±0.02 able Lock tab 0.10± Y 0.10± Y E±0.05 ± ± ±0.03 奇数芯数の場合 (Applicable for the odd number contacts) Recommended FP Dimensions 0.72± ± min min. 0.12± min. Stiffener 0.25±0.03 No.2 ontat onnector Location Pattern Prohibition Area (0.30 min.) Mating Side Lock Lever 0.30± ±0.02 No.(n-1) ontact ± ± ± ±0.03 (3.65) heck Mark(0.07) 以下 E±0.05 ± ± ± ± ± ± ± ± min min. 0.12± min. Stiffener Table 1 偶数芯数の場合 (Applicable for the Even number contacts) Part Number Number of ontact 偶数芯数の場合 (Applicable for the Even number contacts) A B D E FF28-5A-R11A-3H FF28-8A-R11A-3H FF28-12A-R11A-3H FF28-15A-R11A-3H FF28-20A-R11A-3H FF28-30A-R11A-3H FF28-35A-R11A-3H FF28-41A-R11A-3H FF28-45A-R11A-3H Specifications and/or dimensions in this catalog are subject to change without notice. Please varify the latest specifications with our drawings. 3

4 Packing Specifications Unit:mm B max. Reel Dimensions User Direction of Feed User Direction of Feed 400mm min. Empty components pockets Empty components pockets sealed with cover tape. sealed with cover tape. Tailer: 30 pockets min pockets Leader: 15 pockets min. User Direction of Feed Empty components pockets Empty components pockets sealed with cover tape. sealed with cover tape. Emboss Tape Dimensions E φ328 φ80 D B max. D User Direction of Feed φ328 φ80 400mm min. Tailer: 30 pockets min pockets Leader: 15 pockets min. (A) φ φ E F min. G±0.30 (1.84) (A) F min. G±0.30 Section (1.84) ー Detail Part Number Section ー Number of ontact FF28-5A-R11A-3H FF28-8A-R11A-3H FF28-12A-R11A-3H FF28-15A-R11A-3H FF28-20A-R11A-3H FF28-30A-R11A-3H FF28-35A-R11A-3H FF28-41A-R11A-3H FF28-45A-R11A-3H Detail A B D E F G Quantity:4000pcs. / Reel Specifications and/or dimensions in this catalog are subject to change without notice. Please varify the latest specifications with our drawings. 4

Operating Instruction and autions 1.onnector mounting Instruction Lock lever is opened when delivery. onnectors are delivered with the lock lever opened.

Otherwise, the contact gap will become narrower and FP insertion force will rise.(picture 2) picture 1 Please do not load from the top of the lock lever.

5 Operating Instruction and autions 1.onnector mounting Instruction Lock lever is opened when delivery. onnectors are delivered with the lock lever opened. You do not have to operate the lock lever before inserting FP. (picture 1) Please do not re-flow with the lock lever in the closed condition. Please do not close the lock lever without inserting FP. Otherwise, the contact gap will become narrower and FP insertion force will rise.(picture 2) picture 1 Please do not load from the top of the lock lever.(figure 1) And please do not load toward the opposite direction of the lock lever.(figure 2) Otherwaise, the lock lever may be broken or contacts may be deformed. 0.25N Pin 以上 0.25N Pin 以上 figure 1 figure 2 Please do not insert finger nail into the entry as it may damage the connector(figure 3) 図 3 5

(figure 4) ontact onnector pad Please do NOT ground FP P.

6 Operating Instructions and autions able lock tabs conduct to both ends of contacts. Please do not ground the cable lock tab pad on the mounting board.(figure 4) ontact onnector pad Please do NOT ground FP P..B(mounting side) ontact The cable lock tab is connected to the adjacent contact. ontact pad figure 4 6

(correct: picture 2, wrong:picture 3) Please insert the FP straight into the connector.

FP insertion is completed when the edges of the FP are touching connector frange.

orrect FP Insertion Position heck line enables a visual verification of the mating position.

7 Operating Instruction and autions 2.FP Insertion Please insert the FP with the pattern side up.(correct: picture 2, wrong:picture 3) Please insert the FP straight into the connector. Due to the semi-retaining mechnism, some insertion force is necessary when inserting FP. FP insertion is completed when the edges of the FP are touching connector frange. Pattern side Stiffener side NG picture 2 picture 3 3.orrect FP Insertion Position heck line enables a visual verification of the mating position. It prevents shallow and diagonal insertion. (picture 5 6 7) FP frange picture 5:Standard insertion picture 6:Shallow insertion picture 7:Diagonal insertion If cable lock tabs catch the FP correcty, FP patterns are not dislocated from contacts. 7

8 Operating Instruction and autions 4.losing Lock Lever Please rotate down the lock lever until firmly closed.(picture 4 ) そ Please do not load excessive force on the housing.(picture 5 ) 3N Min. picture 4 picture 5 Please do not close the lock lever by tip of finger nail.(picture 6) Please hold the lock lever at least half width of it.(picture 7) 半分以上の幅を押すこと picture 6 picture 7 8

Others In case of hand soldering, please do not heap

(above terminal 0.05mm max.)(figure 8) 0.

9 Operating Instruction and autions 5.Removing FP Please lift the lock lever by flipping up in the direction of arrow.(picture 8) Please do not load excessive force on the lock lever.(picture 9) OK NG 0.25N pin picture 8 picture 9 6.Others In case of hand soldering, please do not heap excesssive solder on the contact tails. (above terminal 0.05mm max.)(figure 8) 0.05mm 以下 figure 8 7.ESD(Electrostatic Discharge) This connector does not protect the circuit from ESD. 8.Disposal of connector Please dispose the connector as industrial waste. 9

cms.pdf

cms.pdf RoHS compliant INTERNAL STRUTURE FEATURES Part name over Slider Housing Slider contact Fixed contact Terminal pin lick spring Ground terminal Material Steel (SP), Tin-plated Polyamide opper alloy, Gold-plated