DRS-50-67-83 查看數據表（PDF） - Littelfuse, Inc
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DRS-50-67-83 Datasheet PDF : 2 Pages
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Axial Lead Reed Switches
High Power > DRS-50
DRS-50 50.8mm High Power Reed Switch
RoHS
Description
The DRS-50 Reed Switch is a standard, normally open switch with a 50.80mm
long x 5.25mm diameter (2.000” x .207”) glass envelope, capable of high voltage
and power switching up to 400Vdc at 2mA. Will carry 6A and switch up to
100W/VA. It has high insulation resistance of 1010 ohms minimum and contact
resistance of less than 100 milli-ohms.
Y Agency Approvals
Agency
Agency File Number
Ampere-Turns Range
R Pending
42-83 AT
Pending
A Note: Contact Littelfuse for specific agency approval ratings.
42-83 AT
Dimensions
Dimensions in mm (inch)
IN 12.70
(.500) REF.
41.27
(1.625) REF.
CL OF OVERLAP
5.25
(.207) MAX.
0.53
(.021) REF.
15.24
(.600) MIN.
50.80
(2.000) MAX.
82.55
(3.250) MAX.
IM Electrical Ratings
Features
• Normally open switch
• Capable of switching 400Vdc or
3.0A at up to 100W
• Minimum voltage breakdown
600Vdc
• Available sensitivity range
42-83 AT
Benefits
• Hermetically sealed switch
contacts are not affected by and
have no effect on their external
environment
Applications
• Security
• Limit switching
• Capable of switching European
mains voltage
• Zero operating power required for
contact closure
• Industrial applications
• White Goods
Switch Type
Contact Form
A (SPST-NO)
Materials
Body: Glass
Leads: Tin-plated Ni-Fe wire
Note: SPST-NO = Single-pole, single-throw, normally open
Contact Rating 1
W/VA - max.
100
Voltage 3
L Current 3
Switching 2
Vdc - max.
400
Vac - max.
280
Breakdown 4
Vdc - min.
600
Switching 2
Adc - max.
3.0
Aac - max.
2.1
Carry
Adc - max.
6.0
E Resistance
Contact, Initial
Insulation
Ω - max.
Ω - min.
0.100
1010
Capacitance
Contact
pF - typ.
0.6
R Temperature
Operating
Storage 5
°C
-40 to +125
°C
-65 to +125
Notes:
P1. 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.
littelfuse.com
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