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FPC/FFC Connectors
XF3A Rotary Backlock Connector (0.3-mm Pitch, Upper Contact)
On-board height 0.6 mm, the lowest class profile in the industry.
Rotary Backlock Connectors with a 0.3-mm pitch.
- Wide molding wall on the rear bottom of the connector allows greater freedom in board design.
- Upper contact.
- Halogen Free (See note.)
Note: OMRON uses the following standard to determine halogen-free construction: 900 ppm max. for Br, 900 ppm max. for Cl, and 1,500 ppm max. for Br+Cl.

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Updated September 5, 2011
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This web page provides an excerpt from a datasheet. Refer to Datasheet and other applicable documents for more information.
Please consult your trading company for the delivery date.
| Pins (See *1.) |
Model |
Quantity per reel (unit) (See *2.) |
| 8 |
XF3A-0855-41A |
4,000 |
| 12 |
XF3A-1255-41A |
| 17 |
XF3A-1755-41A |
| 23 |
XF3A-2355-41A |
| 25 |
XF3A-2555-41A |
| 51 |
XF3A-5155-41A |
*1. Please consult your OMRON representative for available pin count.
*2. Please order by integer multiple of the quantity per reel.
| Rated current |
0.2 A AC/DC |
| Rated voltage |
50 V AC/DC |
| Contact resistance |
80 mΩ max. (at 20 mV DC max., 100 mA max.) |
| Insulation resistance |
100MΩ min. (at 250V DC) |
| Withstand voltage |
250 V AC for 1 min. (leakage current: 1 mA max.) |
| Insertion tolerance |
10 times |
Ambient operating temperature |
-30 to +85ºC (with no icing or condensation) |
XF3A- 55-41A

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| Table of Dimensions
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| Pins (See *1.) |
Model |
A |
B |
C (See *2.) |
D |
E |
F |
| 8 |
XF3A-0855-41A |
3.8 |
2.75 |
2.1 |
1.8 |
2.7 |
3.1 |
| 12 |
XF3A-1255-41A |
5.0 |
3.95 |
3.3 |
3.0 |
3.9 |
4.3 |
| 17 |
17 XF3A-1755-41A |
6.5 |
5.45 |
4.8 |
4.2 |
5.4 |
5.8 |
| 23 |
XF3A-2355-41A |
8.3 |
7.25 |
6.6 |
6.0 |
7.2 |
7.6 |
| 25 |
XF3A-2555-41A |
8.9 |
7.85 |
7.2 |
6.6 |
7.8 |
8.2 |
| 51 |
XF3A-5155-41A |
16.7 |
15.65 |
15.0 |
14.4 |
15.6 |
16.0 |
*1. Please consult your OMRON representative for available pin count.
*2. Dimension C indicates total pitch.
PCB Mating Dimensions (Top View)

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Applicable FPC Dimensions
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