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0.4mm-Pitch Board to FPC Connectors
XB4B 0.4-mm Pitch Board to FPC Connector (Socket, SMT Terminal)
Low-profile type with a stacking height of 0.9 mm achieves easy operation and high contact reliability.
- The low-profile shape ensures the feel of a sharp “click” and a high removal force.
- Twist-resistant design allows removal in all directions.
- Easy insertion with self-alignment feature.
- Double contacts ensure highly reliable 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 Datasheetand other applicable documents for more information.
Please consult your Omron representative for delivery date.
| Pins *1 |
Model |
Quantity per reel *2 |
| 24 |
XB4B-2435-D |
3000 |
| 40 |
XB4B-4035-D |
| 50 |
XB4B-5035-D |
| 60 |
XB4B-6035-D |
| 80 |
XB4B-8035-D |
*1. Please consult your OMRON representative for available pin count.
*2. Please order an integer multiple of the quantity per reel.
| Rated current |
0.3 A AC/DC |
| Rated voltage |
50 V AC/DC |
| Contact resistance |
60 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.) |
| Total insertion force |
Pin number × 1.7N max. |
| Total removal force |
Pin number × 0.1N min. |
| Insertion tolerance |
50 times |
Ambient operating
temperature |
-30 to +85ºC (with no icing at low temperatures) |
XB4B- 35-D

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| Table of Dimensions |
| Pins *1 |
Model |
A |
B |
| 24 |
XB4B-2435-D |
4.4 |
7.2 |
| 40 |
XB4B-4035-D |
7.6 |
10.4 |
| 50 |
XB4B-5035-D |
9.6 |
12.4 |
| 60 |
XB4B-6035-D |
11.6 |
14.4 |
| 80 |
XB4B-8035-D |
15.6 |
18.4 |
*1. Please consult your OMRON representative for available pin count.
PCB Mating Dimensions (Top View)
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Stacking state (Stacking connector is XB4B.)
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