256-4205-01

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IC & COMPONENT SOCKET, 56 CONTACTS, QFN TEST SOCKET, 0.4 MM, 256 SERIES, BERYLLIUM COPPER

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256-4205-01

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IC & COMPONENT SOCKET, 56 CONTACTS, QFN TEST SOCKET, 0.4 MM, 256 SERIES, BERYLLIUM COPPER

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DocumentsDatasheet Technical Data Sheet EN

Specifications Pricing Series Description Documents

Pricing

Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly

Distributor	Package	Quantity	$

Digikey	Bulk	1	$ 152.51
		10	$ 139.95
		25	$ 134.57
		50	$ 130.08
Newark	Each	1	$ 203.42

Description

General part information

256 Series

56 (4 x 14) Pos QFN Socket Gold Through Hole

Documents

Technical documentation and resources

Datasheet

Technical Data Sheet EN

Datasheet

Technical Specifications

Parameters and characteristics commom to parts in this series

Specification	256-4205-01	256 Series

Adhesive	-	Rubber
Backing, Carrier	-	Paper
Color	-	White, Green
Contact Finish - Mating	Gold	Gold
Contact Finish - Post	Gold	Gold
Contact Finish Thickness - Mating	-	30 Áin
Contact Finish Thickness - Mating	-	0.76 Ám
Contact Finish Thickness - Post	-	30 µin
Contact Finish Thickness - Post	-	0.76 µm
Contact Material - Mating	Beryllium Copper	Beryllium Copper
Contact Material - Post	Beryllium Copper	Beryllium Copper
Contact Resistance	25 mOhm	15 - 25 mOhm
Current Rating (Amps)	-	1 A
Features	Open Frame	Closed Frame, Open Frame
Housing Material	Polyethersulfone (PES)	Polysulfone (PSU), Glass Filled, Polyethersulfone (PES)
Length	-	60 yds
Length	-	55 m
Length	-	180 ft
Material Flammability Rating	-	UL94 V-0
Mounting Type	Through Hole	Connector, Through Hole
Number of Positions or Pins (Grid)	-	56
Number of Positions or Pins (Grid) [custom]	56	56
Number of Positions or Pins (Grid) [custom]	4	4
Number of Positions or Pins (Grid) [custom]	14	14
Operating Temperature	-	-55 °C
Operating Temperature	-	125 °C
Pitch - Mating	0.016 in	0.016 - 0.07 in
Pitch - Mating	0.4 mm	0.4 - 1.78 mm
Pitch - Post	0.016 in	0.016 - 0.1 in
Pitch - Post	0.4 mm	0.4 - 2.54 mm
Shelf Life	-	12 Months
Shelf Life Start	-	Date of Manufacture
Storage/Refrigeration Temperature	-	16 - 60 °F
Storage/Refrigeration Temperature	-	27 - 80 °F
Tape Type	-	Masking
Temperature Range	-	200 °F
Termination	Solder	Press-Fit, Solder
Termination Post Length	-	0.11 in
Termination Post Length	-	2.78 mm
Termination Post Length [x]	2.9 mm	2.9 mm
Termination Post Length [x]	0.114 in	0.114 in
Thickness	-	4.8 mils
Thickness	-	0.0048 in
Thickness	-	0.122 mm
Type	QFN	DIP, ZIF (ZIP), QFN
Type	-	15.24 mm
Type	-	0.6 "
Usage	-	Masking
Width	-	2 "
Width	-	50.8 mm
Width	-	0.75 in
Width	-	0.375 - 19.05 mm
Width	-	0.75 - 12.7 in
Width	-	0.38 - 0.75 in
Width	-	76.2 mm
Width	-	3 in

256 Series

TAPE MASKING WHITE 2"X60YDS

Part	Shelf Life Start	Length	Length	Length	Width [y]	Width [y]	Usage	Color	Storage/Refrigeration Temperature [Min]	Storage/Refrigeration Temperature [Max]	Temperature Range	Shelf Life	Tape Type	Thickness	Thickness	Thickness	Adhesive	Backing, Carrier	Operating Temperature [Min]	Operating Temperature [Max]	Pitch - Mating	Pitch - Mating	Contact Finish - Post	Contact Material - Mating	Mounting Type	Material Flammability Rating	Contact Material - Post	Type	Type	Type	Contact Finish Thickness - Post	Contact Finish Thickness - Post	Number of Positions or Pins (Grid)	Contact Finish - Mating	Features	Termination	Current Rating (Amps)	Contact Resistance	Termination Post Length	Termination Post Length	Housing Material	Pitch - Post	Pitch - Post	Contact Finish Thickness - Mating	Contact Finish Thickness - Mating	Width [diameter]	Width	Width	Termination Post Length [x]	Termination Post Length [x]	Number of Positions or Pins (Grid) [custom]	Number of Positions or Pins (Grid) [custom]	Number of Positions or Pins (Grid) [custom]	Width	Width [x]	Width [x]
3M 256-2"X60YD	Date of Manufacture	60 yds	55 m	180 ft	2 "	50.8 mm	Masking	White	16 °C, 60 °F	27 °C, 80 °F	200 °F	12 Months	Masking	4.8 mils	0.0048 in	0.122 mm	Rubber	Paper
3M 256-1292-00-0602J																			-55 °C	125 °C	0.07 in	1.78 mm	Gold	Beryllium Copper	Connector	UL94 V-0	Beryllium Copper	15.24 mm	DIP, ZIF (ZIP)	0.6 "	30 µin	0.76 µm	56	Gold	Closed Frame	Press-Fit	1 A	15 mOhm	0.11 in	2.78 mm	Polysulfone (PSU), Glass Filled	2.54 mm	0.1 in	30 Áin	0.76 Ám
3M 256-3/4"X60YD WHT 12/BOX	Date of Manufacture	60 yds	55 m	180 ft			Masking	White	16 °C, 60 °F	27 °C, 80 °F	200 °F	12 Months	Masking	4.8 mils	0.0048 in	0.122 mm	Rubber	Paper																												0.75 in	19.05 mm	0.75 in
3M 256-4205-01																					0.016 in	0.4 mm	Gold	Beryllium Copper	Through Hole		Beryllium Copper		QFN					Gold	Open Frame	Solder		25 mOhm			Polyethersulfone (PES)	0.4 mm	0.016 in						2.9 mm	0.114 in	56	4	14
3M 256-3/4"X60YD WHT 48/CASE	Date of Manufacture	60 yds	55 m	180 ft			Masking	White	16 °C, 60 °F	27 °C, 80 °F	200 °F	12 Months	Masking	4.8 mils	0.0048 in	0.122 mm	Rubber	Paper																													19.05 mm	0.75 in						0.75 in
3M 256-1/2" X60YD	Date of Manufacture	60 yds	55 m	180 ft			Masking	White	16 °C, 60 °F	27 °C, 80 °F	200 °F	12 Months	Masking	4.8 mils	0.0048 in	0.122 mm	Rubber	Paper																													0.5 in	12.7 mm						0.5 in
3M 256-3"X60YD	Date of Manufacture	60 yds	55 m	180 ft			Masking	White	16 °C, 60 °F	27 °C, 80 °F	200 °F	12 Months	Masking	4.8 mils	0.0048 in	0.122 mm	Rubber	Paper																																					76.2 mm	3 in
3M 256-3/4"X60YD LT GRN	Date of Manufacture	60 yds	55 m	180 ft			Masking	Green	16 °C, 60 °F	27 °C, 80 °F	200 °F	12 Months	Masking	4.8 mils	0.0048 in	0.122 mm	Rubber	Paper																													19.05 mm	0.75 in						0.75 in
3M 256-3/8"X60YD	Date of Manufacture	60 yds	55 m	180 ft			Masking	White	16 °C, 60 °F	27 °C, 80 °F	200 °F	12 Months	Masking	4.8 mils	0.0048 in	0.122 mm	Rubber	Paper																													0.375 in	9.65 mm						0.38 in