Product Overview
The 3M Chip Carrier Sockets Surfacemount 8400 Series are designed to accept chip carriers conforming to JEDEC outline MO-047 for square and MO-052 for rectangular devices. These sockets feature a high-temperature insulator compatible with IR reflow and wave soldering processes, and are designed for automated loading equipment. The open-top design ensures unrestricted airflow, while molded slots facilitate easy device extraction. Optional PCB locating posts are available. These sockets are RoHS Compliant.
Product Attributes
- Brand: 3M
- Product Line: 3M Chip Carrier Sockets
- Series: 8400 Series
- Mounting Type: Surfacemount
- Insulation Material: Glass Filled Polyphenylene Sulfide (PPS)
- Insulator Flammability: UL 94V-0
- Insulator Color: Black
- Contact Material: Copper Alloy
- Underplating: 50 " [ 1.27 m ] Nickel
- Wiping Area Plating: 160 ", [ 4.06 m ] Matte Tin
- Certifications: RoHS Compliant (RIA E1 and C1 apply)
- Moisture Sensitivity Level: 1 (per J-STD-020C)
- Packaging Options: Tube Pack (TP), Tape and Reel (TR)
Technical Specifications
| Specification | Value |
| Accepts Chip Carriers | JEDEC outline MO-047 (square), MO-052 (rectangular) |
| Contact Resistance | 15 m |
| Insulation Resistance | >103 M minimum |
| Capacitance | <1 pF at 1 MHz |
| Temperature Rating | -40C to +105C |
| Process Rating | Maximum 260C, single pass (profile per J-STD-020C) |
Model Dimensions (Contact Quantity Dependent)
| Contact Quantity | A (mm [inch]) | B (mm [inch]) | C (mm [inch]) | D (mm [inch]) | E (mm [inch]) | F (mm [inch]) | G (mm [inch]) | H (mm [inch]) |
| 20 | 15.65 [0.616] | 15.65 [0.616] | 5.08 [0.200] | 5.08 [0.200] | 10.03 [0.395] | 10.03 [0.395] | 12.70 [0.500] | 6.35 [0.250] |
| 28 | 18.18 [0.716] | 18.18 [0.716] | 7.62 [0.300] | 7.62 [0.300] | 12.57 [0.495] | 12.57 [0.495] | 15.24 [0.600] | 7.62 [0.300] |
| 32 | 18.18 [0.716] | 20.75 [0.817] | 7.62 [0.300] | 10.16 [0.400] | 12.57 [0.495] | 15.11 [0.595] | 17.78 [0.700] | 7.62 [0.300] |
| 44 | 23.28 [0.917] | 23.28 [0.917] | 12.70 [0.500] | 12.70 [0.500] | 17.65 [0.695] | 17.65 [0.695] | 20.32 [0.800] | 10.16 [0.400] |
| 52 | 25.84 [1.017] | 25.84 [1.017] | 15.24 [0.600] | 15.24 [0.600] | 20.19 [0.795] | 20.19 [0.795] | 22.86 [0.900] | 11.43 [0.450] |
| 68 | 30.95 [1.219] | 30.95 [1.219] | 20.32 [0.800] | 20.32 [0.800] | 25.27 [0.995] | 25.27 [0.995] | 27.94 [1.100] | 13.97 [0.550] |
| 84 | 36.00 [1.417] | 36.00 [1.417] | 25.40 [1.000] | 25.40 [1.000] | 30.35 [1.195] | 30.35 [1.195] | 33.02 [1.300] | 16.51 [0.650] |
Note: Dimensions for Reference Only. Tolerance Unless Noted: .3 mm, .20 [inch]. For Tape and Reel Packaging dimensions, contact 3M customer service or your preferred 3M distributor.
Alignment Feature:
- A = With Location Post (tube packaging only)
- B = Without Location Post
Important Notice: All statements, technical information, and recommendations related to 3Ms products are based on information believed to be reliable, but the accuracy or completeness is not guaranteed. Before using this product, you must evaluate it and determine if it is suitable for your intended application. You assume all risks and liability associated with such use. 3M MAKES NO OTHER WARRANTIES INCLUDING, BUT NOT LIMITED TO, ANY IMPLIED WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. If this product is defective within the warranty period stated above, your exclusive remedy shall be, at 3Ms option, to replace or repair the 3M product or refund the purchase price of the 3M product. Except where prohibited by law, 3M will not be liable for any indirect, special, incidental or consequential loss or damage arising from this 3M product, regardless of the legal theory asserted.
2410121845_3M-8484-21A1-RK-TP_C6475189.pdf
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Surfacemount Chip Carrier Socket 3M 8484-21A1-RK-TP Compatible with JEDEC MO-047 and MO-052 Devices Images
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