DRS-DTH-40-50

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LITTELFUSE

MAGNETIC / REED SWITCHES 40-50AT CO 500V 30W 39.7MM REED

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DRS-DTH-40-50

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LITTELFUSE

MAGNETIC / REED SWITCHES 40-50AT CO 500V 30W 39.7MM REED

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Description Specifications Series Pricing CAD Documents

Description

General part information

DRS-DTH Series

The DRS-DTH Reed Switch is a large changeover switch with a 39.70mm long x 5.33mm diameter (1.562" x 0.210") glass envelope, capable of high voltage and power switching up to 500Vdc at 2mA or 0.5A at 30W/VA. The DRS-DTH has an insulation resistance of 10^9 ohms minimum and contact resistance less than 125 milli-ohms.

Technical Specifications

Parameters and characteristics for this part

Specification	DRS-DTH-40-50

Capacitance	2 pF
Circuit	SPDT
Current - Carry	3 A
Current - Carry Type	DC
Current - Switching (AC)	0.35 mA
Current - Switching (DC)	0.5 mA
Length - Overall	3.375 in
Mounting Type	Through Hole
Operate Range (Max)	50 AT
Operate Range (Min)	40 AT
Operate Time	4.5 ms
Operating Temperature (Max)	125 °C
Operating Temperature (Min)	-20 °C
Power - Rated	30 W
Release Time	7 ms
Size - Body Diameter	0.21 in
Size - Body Length	1.5 in
Termination Style	Axial
Type	Glass Body Reed
Voltage - Switching AC	350 V
Voltage - Switching DC	500 V

DRS-DTH Series

DRS-DTH 70-75AT

Part	Size - Body Length	Size - Body Diameter	Circuit	Operate Time	Voltage - Switching DC	Power - Rated	Termination Style	Capacitance	Length - Overall	Current - Switching (DC)	Current - Switching (AC)	Release Time	Type	Operating Temperature (Max)	Operating Temperature (Min)	Voltage - Switching AC	Mounting Type	Current - Carry	Current - Carry Type	Operate Range (Max)	Operate Range (Min)
LITTELFUSE DRS-DTH-65-75	1.5 in	0.21 in	SPDT	4.5 ms	500 V	30 W	Axial	2 pF	3.375 in	0.5 mA	0.35 mA	7 ms	Glass Body Reed	125 °C	-20 °C	350 V	Through Hole	3 A	DC	75 AT	65 AT
LITTELFUSE DRS-DTH-75-80	1.5 in	0.21 in	SPDT	4.5 ms	500 V	30 W	Axial	2 pF	3.375 in	0.5 mA	0.35 mA	7 ms	Glass Body Reed	125 °C	-20 °C	350 V	Through Hole	3 A	DC	80 AT	75 AT
LITTELFUSE DRS-DTH-40-50	1.5 in	0.21 in	SPDT	4.5 ms	500 V	30 W	Axial	2 pF	3.375 in	0.5 mA	0.35 mA	7 ms	Glass Body Reed	125 °C	-20 °C	350 V	Through Hole	3 A	DC	50 AT	40 AT
LITTELFUSE DRS-DTH-70-75	1.5 in	0.21 in	SPDT	4.5 ms	500 V	30 W	Axial	2 pF	3.375 in	0.5 mA	0.35 mA	7 ms	Glass Body Reed	125 °C	-20 °C	350 V	Through Hole	3 A	DC	75 AT	70 AT

Pricing

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CAD

3D models and CAD resources for this part

Documents

Technical documentation and resources

Datasheet

DRS-DTH-40-50 | Datasheet