Magnetic Reed Switches

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Part	Manufacturer	Switch Type	Mounting Feature	Switch Function	Maximum Pull In	AC Maximum Rating R Load (Contact)	Minimum Drop-out Value	Minimum Pull In	Packing Method	Body Length/Diameter	Body Width	Sealing	Body Height	DC Maximum Rating R Load (Contact)	Maximum Operating Temperature	Maximum AC Contact Current	Minimum Operating Temperature	Nominal Resonant Frequency	Terminal Finish	Maximum DC Contact Current	Termination Type	Manufacturer Series	Maximum DC Contact Voltage	Additional Features	Maximum AC Contact Voltage	JESD-609 Code
MDSR-10-10-25	Littelfuse	DRY REED SWITCH
MLRR-4-17-23	Littelfuse	DRY REED SWITCH	THROUGH HOLE-STRAIGHT	SPST	23 AT	.7A@140VAC		17 AT	BULK	2.66 mm		HERMETICALLY SEALED	15.24 mm	1A@200VDC	125 Cel	.7 A	-40 Cel	6.25 kHz	TIN	1 A	SOLDER		200 V		140 V	e3
MARR-5-17-23	Littelfuse	DRY REED SWITCH																	Tin (Sn)							e3
DRR-129-42-53	Littelfuse	DRY REED SWITCH																	Tin (Sn)							e3
DRR-129-62-68	Littelfuse	DRY REED SWITCH																	Tin (Sn)							e3
DRR-129-67-83AT	Littelfuse	DRY REED SWITCH																				DRR-129
MLRR-3	Littelfuse	DRY REED SWITCH	THROUGH HOLE-STRAIGHT	SPST	38 AT			17 AT		2.66 mm		HERMETICALLY SEALED	15.24 mm	1A@200VDC	125 Cel		-40 Cel	6.25 kHz		1 A	SOLDER	MLRR-3	200 V
MLSM-3B17-23	Littelfuse	DRY REED SWITCH	SURFACE MOUNT-STRAIGHT	SPST	23 AT	.7A@140VAC		17 AT	BULK	15.24 mm		HERMETICALLY SEALED	3 mm	1A@200VDC	125 Cel	.7 A	-40 Cel	6 kHz	Tin (Sn)	1 A	SOLDER		200 V		140 V	e3
59165-1-U-00-B	Littelfuse	DRY REED SWITCH
MDSR-10-10-15AT	Littelfuse	DRY REED SWITCH																				MDSR-10
DRR-129-42-48	Littelfuse	DRY REED SWITCH
MASM-14	Littelfuse	DRY REED SWITCH																				MASM-14
MDSR-7-15-20AT	Littelfuse	DRY REED SWITCH													125 Cel		-40 Cel
MARR-5-32-38AT	Littelfuse	DRY REED SWITCH																				MARR-5
MLSM-4R-17-23	Littelfuse	DRY REED SWITCH	SURFACE MOUNT-STRAIGHT	SPST	23 AT	.7A@140VAC		17 AT	TR, 13 INCH	2.66 mm		HERMETICALLY SEALED	15.24 mm	1A@200VDC	125 Cel	.7 A	-40 Cel	6 kHz		1 A	SOLDER		200 V	STANDARDS: ATEX; CUL; UL	140 V
MDRR-DT-15-25-F	Littelfuse	DRY REED SWITCH	THROUGH HOLE-STRAIGHT	CHANGE-OVER	25 AT	0.18A@120VAC		15 AT	BULK	2.54 mm			14.73 mm	0.25A@175VDC	125 Cel	.18 A	-40 Cel	11 kHz	Tin (Sn)	.25 A	SOLDER		175 V	STANDARDS: CUL; UL	120 V	e3
MLSM-3R17-23	Littelfuse	DRY REED SWITCH	SURFACE MOUNT-STRAIGHT	SPST	23 AT	.7A@140VAC		17 AT	TR	15.24 mm		HERMETICALLY SEALED	3 mm	1A@200VDC	125 Cel	.7 A	-40 Cel	6 kHz	Tin (Sn)	1 A	SOLDER		200 V		140 V	e3
DRR-129-42-53AT	Littelfuse	DRY REED SWITCH																				DRR-129
MLSM-4	Littelfuse	DRY REED SWITCH	SURFACE MOUNT-STRAIGHT	SPST	38 AT			17 AT		2.66 mm		HERMETICALLY SEALED	15.24 mm	1A@200VDC	125 Cel		-40 Cel	6 kHz		1 A	SOLDER	MLSM-4	200 V	OTHER PULL-IN RANGES ARE ALSO AVAILABLE
59165-1-U-00-D	Littelfuse	DRY REED SWITCH
MARR-5-22-33AT	Littelfuse	DRY REED SWITCH																				MARR-5
59166-1-U-00-D	Littelfuse	DRY REED SWITCH	SURFACE MOUNT-STRAIGHT	SPST	25 AT	.35A@140VAC		20 AT	TR	16 mm	2.4 inch	HERMETICALLY SEALED	2.51 mm	.5A@200VDC	105 Cel	.35 A	-40 Cel			.5 A	SOLDER		200 V		140 V
MITI-3V1-6-15	Littelfuse	DRY REED SWITCH	THROUGH HOLE-STRAIGHT	SPST	15 AT			6 AT	BULK	1.8 mm		HERMETICALLY SEALED	7 mm	0.25A@170VDC	125 Cel		-40 Cel	18 kHz		.25 A	SOLDER		170 V	STANDARDS: ATEX; CUL; DEMKO; UL
59165-1-T-00-A	Littelfuse	DRY REED SWITCH
FLEX-14-20-25	Littelfuse	DRY REED SWITCH	THROUGH HOLE-STRAIGHT	SPST	25 AT	.35A@140VAC		20 AT		2.28 mm		HERMETICALLY SEALED	14 mm	.5A@200VDC	125 Cel	.35 A	-40 Cel	5.2 kHz	TIN	.5 A	SOLDER		200 V		140 V	e3
DRR-129-62-68AT	Littelfuse	DRY REED SWITCH																				DRR-129
MLSM-4R	Littelfuse	DRY REED SWITCH	SURFACE MOUNT-STRAIGHT	SPST	38 AT			17 AT		2.66 mm		HERMETICALLY SEALED	15.24 mm	1A@200VDC	125 Cel		-40 Cel	6 kHz		1 A	SOLDER	MLSM-4	200 V
MDRR-DT-20-35-U	Littelfuse	DRY REED SWITCH	THROUGH HOLE-STRAIGHT	CHANGE-OVER	35 AT	0.18A@120VAC		20 AT	BULK	2.54 mm			14.73 mm	0.25A@175VDC	125 Cel	.18 A	-40 Cel	11 kHz	TIN	.25 A	SOLDER		175 V	STANDARDS: CUL; UL	120 V	e3
DRR-129-42-83AT	Littelfuse	DRY REED SWITCH																				DRR-129
MDRR-DT	Littelfuse	DRY REED SWITCH	THROUGH HOLE-STRAIGHT	SPDT	30 AT			15 AT		2.54 mm		HERMETICALLY SEALED	14.73 mm	.25A@175VDC	125 Cel		-40 Cel	11 kHz		.25 A	SOLDER	MDRR-DT	175 V
DRR-DTH-70-80	Littelfuse	DRY REED SWITCH																	Tin (Sn)							e3
MDSR-10-20-25AT	Littelfuse	DRY REED SWITCH																				MDSR-10
DRR-129-57-63AT	Littelfuse	DRY REED SWITCH																				DRR-129
MDRR-DT-10-20-U	Littelfuse	DRY REED SWITCH	THROUGH HOLE-STRAIGHT	CHANGE-OVER	20 AT	0.18A@120VAC		10 AT	BULK	2.54 mm			14.73 mm	0.25A@175VDC	125 Cel	.18 A	-40 Cel	11 kHz	TIN	.25 A	SOLDER		175 V	STANDARDS: CUL; UL	120 V	e3
FLEX-14	Littelfuse	DRY REED SWITCH	THROUGH HOLE-STRAIGHT	SPST	30 AT		5 AT	10 AT		2.28 mm		HERMETICALLY SEALED	14 mm	.5A@200VDC	125 Cel		-40 Cel	5.2 kHz		.5 A	SOLDER	FLEX-14	200 V
59050-1-T-00-0	Littelfuse	DRY REED SWITCH
MASM-14R-20-25	Littelfuse	DRY REED SWITCH	SURFACE MOUNT-STRAIGHT	SPST	25 AT	.5A@140VAC		20 AT	TR, 13 INCH	2.28 mm		HERMETICALLY SEALED	14 mm	1A@200VDC	125 Cel	.5 A	-40 Cel	5.3 kHz	TIN	1 A	SOLDER		200 V	STANDARDS: CUL; UL	140 V	e3
MLSM-3	Littelfuse	DRY REED SWITCH	SURFACE MOUNT-STRAIGHT	SPST	23 AT			17 AT		15.24 mm		HERMETICALLY SEALED	3 mm	1A@200VDC	125 Cel		-40 Cel	6 kHz		1 A	SOLDER	MLSM-3	200 V	OTHER PULL-IN RANGES ARE ALSO AVAILABLE
DRT-DTH	Littelfuse	DRY REED SWITCH	THROUGH HOLE-STRAIGHT	SPDT	80 AT			50 AT		5.33 mm		HERMETICALLY SEALED	39.67 mm	1.5A@500VDC	125 Cel		-20 Cel	2.75 kHz		1.5 A	SOLDER		500 V
HA15-2-17-23	Littelfuse	DRY REED SWITCH	THROUGH HOLE-STRAIGHT	SPST	23 AT	.3A@265VAC	5 AT	17 AT	BULK	2.28 mm		HERMETICALLY SEALED	15.24 mm	.4A@200VDC	125 Cel	.3 A	-20 Cel	4 kHz		.4 A	SOLDER		200 V	STANDARDS: CUL; UL	265 V
MISM-3V1B-6-10	Littelfuse	DRY REED SWITCH	SURFACE MOUNT-STRAIGHT	SPST	10 AT	.18A@120VAC		6 AT	BULK	1.8 mm		HERMETICALLY SEALED	7 mm	0.25A@170VDC	125 Cel	.18 A	-40 Cel	18 kHz		.25 A	SOLDER		170 V	STANDARD: CUL; EX; UL	120 V
DRR-129	Littelfuse	DRY REED SWITCH	THROUGH HOLE-STRAIGHT	SPST	83 AT			42 AT		5.25 mm		HERMETICALLY SEALED	50.8 mm	3A@400VDC	125 Cel		-40 Cel	.85 kHz		3 A	SOLDER		400 V		240 V
HA15-2-22-28	Littelfuse	DRY REED SWITCH	THROUGH HOLE-STRAIGHT	SPST	28 AT	.35A@265VAC	5 AT	22 AT	BULK	2.28 mm		HERMETICALLY SEALED	15.24 mm	0.5A@200VDC	125 Cel	.35 A	-20 Cel	4 kHz		.5 A	SOLDER		200 V	STANDARDS: CUL; UL	265 V
59165-1-U-00-C	Littelfuse	DRY REED SWITCH
DRR-DTH	Littelfuse	DRY REED SWITCH	THROUGH HOLE-STRAIGHT	SPDT	80 AT			50 AT		5.33 mm		HERMETICALLY SEALED	39.67 mm	.5A@500VDC	125 Cel		-20 Cel	2.75 kHz		.5 A	SOLDER		500 V
FLEX-14-10-15	Littelfuse	DRY REED SWITCH	THROUGH HOLE-STRAIGHT	SPST	15 AT	.35A@140VAC		10 AT		2.28 mm		HERMETICALLY SEALED	14 mm	.5A@200VDC	125 Cel	.35 A	-40 Cel	5.2 kHz	TIN	.5 A	SOLDER		200 V		140 V	e3
MDSR-7-20-25AT	Littelfuse	DRY REED SWITCH													125 Cel		-40 Cel
MARR-5-27-33AT	Littelfuse	DRY REED SWITCH																				MARR-5

Magnetic reed switches are electrical switches that use a magnet to activate a pair of reed switches, which are thin, ferromagnetic metal blades that are hermetically sealed in a glass envelope. They are commonly used in a variety of applications, such as security systems, automotive electronics, and medical devices.

Magnetic reed switches consist of two reed switches that are positioned in close proximity to each other. When a magnetic field is applied to the switch, the reed switches attract each other, completing the electrical circuit. When the magnetic field is removed, the reed switches return to their original position, breaking the circuit.

Magnetic reed switches offer several advantages over other types of switches. They are highly reliable and have a long operational life, as they have no moving parts that can wear out or break down over time. They are also easy to install and operate, and they can be used in a wide range of applications.