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DRS-DTH-90-95

Description
Magnetic / Reed Switches 90-95AT CO 500V 30W 39.7MM REED
CategoryTopical application    Mechanical and electrical/engineering/automation   
File Size306KB,2 Pages
ManufacturerLittelfuse
Websitehttp://www.littelfuse.com
Environmental Compliance
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DRS-DTH-90-95 Overview

Magnetic / Reed Switches 90-95AT CO 500V 30W 39.7MM REED

DRS-DTH-90-95 Parametric

Parameter NameAttribute value
Product AttributeAttribute Value
ManufacturerLittelfuse
Product CategoryMagnetic / Reed Switches
RoHSDetails
Switch TypeReed
Contact FormSPDT
Contact Rating3 A
Operate Range90 AT to 95 AT
ColorClear
Termination StyleAxial
PackagingBulk
IlluminatedNon-Illuminated
Factory Pack Quantity1000
Axial Lead Reed Switches
High Power > DRS-DTH
DRS-DTH 39.7mm Standard Changeover Reed Switch
RoHS
Description
The DRS-DTH Reed Switch is a large changeover switch with a 39.67mm long x
5.33mm diameter (1.562” x 0.210”) glass envelope, capable high voltage and
power switching up to 500Vdc at 2mA, or 0.5A up to 30W/VA. The DRS-DTH has
an insulation resistance of 10
9
ohms minimum and contact resistance of less than
125 milli-ohms.
Dimensions
Dimensions in mm (inch)
1.83
0.25
(.010) NOM.
(.072) NOM.
1.27
5.54 CL OF OVERLAP
(.050) DIA. REF
.
(.218) MAX.
• Changeover switch
• Capable of switching 500Vdc or
0.5A at up to 30W
• Minimum voltage breakdown
1200Vdc
Benefits
27
.66
(1.89) REF
.
5.33
(.210) MAX.
25.40
(1.000) NOM.
12.45
(.490) NOM.
38.10 - 39.67
(1.500) NOM. - (1.562) MAX.
85.73 - 84.14
(3.375) NOM. - (3.3125) MIN.
1.02
(.040) DIA. REF
.
M
EL
I
Switching
2
Electrical Ratings
Contact Rating
1
Voltage
3
IN
A
Applications
• Security
• Limit switching
• Hermetically sealed switch
contacts are not affected by and
have no effect on their external
environment
• Can be used as changeover or
normally closed contact
Switch Type
Contact Form
Materials
C (SPDT-CO)
Body: Glass
Leads: Tin-plated Ni-Fe wire
Note: SPDT-CO = Single-Pole, Double-Throw, Change Over
W/VA - max.
Vdc - max.
Vac - max.
Vdc - min.
Adc - max.
Aac - max.
Adc - max.
Ω - max.
Ω - min.
pF - typ.
°C
°C
Breakdown
Switching
Carry
4
2
Current
3
PR
Resistance
Contact, Initial
Insulation
Contact
Operating
Storage
5
Capacitance
Temperature
Notes:
1. Contact rating - Product of the switching voltage and current should never exceed the wattage rating. Contact Littelfuse for additional load/life information.
2. When switching inductive and/or capacitive loads, the effects of transient voltages and/or currents should be considered. Refer to Application Notes AN108A and AN107 for details.
3. Electrical Load Life Expectancy - Contact Littelfuse with voltage, current values along with type of load.
4. Breakdown Voltage - per MIL-STD-202, Method 301.
5. Storage Temperature - Long time exposure at elevated temperature may degrade solderability of the leads.
© 2017 Littelfuse
Revised: 07/17/17
Specifications are subject to change without notice.
RY
• Available sensitivity range
50-80 AT
• Capable of switching European
mains voltage
• Zero operating power required for
contact closure
• Industrial safety applications
• White goods applications
30
500
350
1200
0.50
0.35
3.0
0.125
10
9
2.0
-20 to +125
-65 to +125
littelfuse.com
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