Specification	2-644456-0

Applications	General Purpose
Connector Type	Header
Contact Finish - Mating	Tin-Lead
Contact Finish - Post	Tin-Lead
Contact Finish Thickness - Mating	150 µin
Contact Finish Thickness - Post	150 µin
Contact Length - Mating	0.295 in
Contact Length - Post	0.11 in
Contact Material	Copper Alloy
Contact Shape	Square
Contact Type	Male Pin
Current Rating	0 A
Current Rating	Varies by Wire Gauge
Insulation Color	Natural
Insulation Height	0.1 in
Insulation Material	Thermoplastic
Material Flammability Rating	UL94 V-0
Mounting Type	Through Hole
Number of Positions	20
Number of Positions Loaded	All
Number of Rows	1
Operating Temperature (Max)	105 °C
Operating Temperature (Min)	-55 °C
Overall Contact Length	0.505 in
Pitch - Mating	0.1 in
Shrouding	Unshrouded
Style	Cable/Wire, Board
Termination	Solder
Voltage Rating	250 V

644456 Series

Part	Overall Contact Length	Insulation Color	Current Rating	Mounting Type	Contact Material	Contact Finish Thickness - Mating	Contact Finish - Post	Voltage Rating	Shrouding	Number of Rows	Contact Finish - Mating	Contact Type	Insulation Material	Pitch - Mating	Termination	Contact Length - Post	Contact Shape	Insulation Height	Number of Positions Loaded	Connector Type	Contact Length - Mating	Material Flammability Rating	Number of Positions	Style	Operating Temperature (Min)	Operating Temperature (Max)	Applications	Contact Finish Thickness - Post
TE Connectivity AMP Connectors 5-644456-0	0.505 in	Natural	Varies by Wire Gauge	Through Hole	Copper Alloy	150 µin	Tin	250 V	Unshrouded	1	Tin	Male Pin	Thermoplastic	0.1 in	Solder	0.11 in	Square	0.1 in	All	Header	0.295 in	UL94 V-0	20	Board Cable/Wire	-55 °C	105 °C	General Purpose	150 µin
TE Connectivity AMP Connectors 644456-3	0.505 in	Natural	Varies by Wire Gauge	Through Hole	Copper Alloy	150 µin	Tin-Lead	250 V	Unshrouded	1	Tin-Lead	Male Pin	Thermoplastic	0.1 in	Solder	0.11 in	Square	0.1 in	All	Header	0.295 in	UL94 V-0	3	Board Cable/Wire	-55 °C	105 °C	General Purpose	150 µin
TE Connectivity AMP Connectors 3-644456-8	0.505 in	Natural	Varies by Wire Gauge	Through Hole	Copper Alloy	150 µin	Tin	250 V	Unshrouded	1	Tin	Male Pin	Thermoplastic	0.1 in	Solder	0.11 in	Square	0.1 in	All	Header	0.295 in	UL94 V-0	8	Board Cable/Wire	-55 °C	105 °C	General Purpose	150 µin
TE Connectivity AMP Connectors 644456-5	0.505 in	Natural	Varies by Wire Gauge	Through Hole	Copper Alloy	150 µin	Tin-Lead	250 V	Unshrouded	1	Tin-Lead	Male Pin	Thermoplastic	0.1 in	Solder	0.11 in	Square	0.1 in	All	Header	0.295 in	UL94 V-0	5	Board Cable/Wire	-55 °C	105 °C	General Purpose	150 µin
TE Connectivity AMP Connectors 3-644456-9	0.505 in	Natural	Varies by Wire Gauge	Through Hole	Copper Alloy	150 µin	Tin	250 V	Unshrouded	1	Tin	Male Pin	Thermoplastic	0.1 in	Solder	0.11 in	Square	0.1 in	All	Header	0.295 in	UL94 V-0	9	Board Cable/Wire	-55 °C	105 °C	General Purpose	150 µin
TE Connectivity AMP Connectors 1-644456-1	0.505 in	Natural	Varies by Wire Gauge	Through Hole	Copper Alloy	150 µin	Tin-Lead	250 V	Unshrouded	1	Tin-Lead	Male Pin	Thermoplastic	0.1 in	Solder	0.11 in	Square	0.1 in	All	Header	0.295 in	UL94 V-0	11	Board Cable/Wire	-55 °C	105 °C	General Purpose	150 µin
TE Connectivity AMP Connectors 4-644456-6	0.505 in	Natural	Varies by Wire Gauge	Through Hole	Copper Alloy	150 µin	Tin	250 V	Unshrouded	1	Tin	Male Pin	Thermoplastic	0.1 in	Solder	0.11 in	Square	0.1 in	All	Header	0.295 in	UL94 V-0	16	Board Cable/Wire	-55 °C	105 °C	General Purpose	150 µin
TE Connectivity AMP Connectors 3-644456-6	0.505 in	Natural	Varies by Wire Gauge	Through Hole	Copper Alloy	150 µin	Tin	250 V	Unshrouded	1	Tin	Male Pin	Thermoplastic	0.1 in	Solder	0.11 in	Square	0.1 in	All	Header	0.295 in	UL94 V-0	6	Board Cable/Wire	-55 °C	105 °C	General Purpose	150 µin
TE Connectivity AMP Connectors 2-644456-4	0.505 in	Natural	Varies by Wire Gauge	Through Hole	Copper Alloy	150 µin	Tin-Lead	250 V	Unshrouded	1	Tin-Lead	Male Pin	Thermoplastic	0.1 in	Solder	0.11 in	Square	0.1 in	All	Header	0.295 in	UL94 V-0	24 pos	Board Cable/Wire	-55 °C	105 °C	General Purpose	150 µin
TE Connectivity AMP Connectors 3-644456-3	0.505 in	Natural	Varies by Wire Gauge	Through Hole	Copper Alloy	150 µin	Tin	250 V	Unshrouded	1	Tin	Male Pin	Thermoplastic	0.1 in	Solder	0.11 in	Square	0.1 in	All	Header	0.295 in	UL94 V-0	3	Board Cable/Wire	-55 °C	105 °C	General Purpose	150 µin

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2-644456-0 | Datasheet