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High Reliability Surfacemount Chip Carrier Socket 3M 8452-21B1-RK-TP for Automated Loading Equipment

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High Reliability Surfacemount Chip Carrier Socket 3M 8452-21B1-RK-TP for Automated Loading Equipment

Number of Positions : 52P

Adaptation Package Type : PLCC

Description : 52P PLCC IC Sockets RoHS

Mfr. Part # : 8452-21B1-RK-TP

Model Number : 8452-21B1-RK-TP

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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, and are suitable 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
Series: 8400 Series
Product Type: Chip Carrier Sockets
Mounting Type: Surfacemount
Insulation Material: Glass Filled Polyphenylene Sulfide (PPS)
Insulator Flammability: UL 94V-0
Insulator Color: Black
Contact Material: Copper Alloy
Plating (Underplating): 50 " [ 1.27 m ] Nickel
Plating (Overall Wiping Area): 160 ", [ 4.06 m ] Matte Tin
RoHS Compliance: Compliant (RIA E1 and C1 apply)
Moisture Sensitivity Level: 1 (per J-STD-020C)

Technical Specifications

Specification	Value
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)

Ordering Information

Note on Tin Plating: 3M PLCC products are tin plated on the contact wiping surface. This is necessary for mated reliability, as standard PLCC contacts are also tin plated. Tin whiskers are an inherent characteristic of tin, and mechanical stress can drive whisker growth. It is possible for the PLCC and PLCC socket to exhibit tin whisker growth after mating. 3M follows iNEMI plating recommendations, which include whisker-mitigating tin plating chemistry to reduce the likelihood of growth. Users should consider the suitability of a PLCC socket for their specific application, considering lifespan, environment, mechanical stresses, humidity, and thermal cycling.

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)]	Alignment Feature	Packaging
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)	B = Without Location Post	TP = Tube Pack
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)	B = Without Location Post	TP = Tube Pack
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)	B = Without Location Post	TP = Tube Pack
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)	B = Without Location Post	TP = Tube Pack
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)	B = Without Location Post	TP = Tube Pack
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)	B = Without Location Post	TP = Tube Pack
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)	B = Without Location Post	TP = Tube Pack
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)	A = With Location Post (tube packaging only)	TP = Tube Pack
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)	A = With Location Post (tube packaging only)	TP = Tube Pack
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)	A = With Location Post (tube packaging only)	TP = Tube Pack
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)	A = With Location Post (tube packaging only)	TP = Tube Pack
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)	A = With Location Post (tube packaging only)	TP = Tube Pack
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)	A = With Location Post (tube packaging only)	TP = Tube Pack
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)	A = With Location Post (tube packaging only)	TP = Tube Pack

Note: For Tape and Reel Packaging dimensions, contact 3M customer service or your preferred 3M distributor.

Tolerance: Unless Noted: .3 mm / .20 [ ] Dimensions for Reference Only

2410121845_3M-8452-21B1-RK-TP_C6098950.pdf

High Reliability Surfacemount Chip Carrier Socket 3M 8452-21B1-RK-TP for Automated Loading Equipment Images

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