DRT-DTH Datasheet, PDF (2/2 Pages) Littelfuse – Axial Lead Reed Switches

Surface Mount Reed Switches
High Power > DRT-DTH
DRT-DTH 39.7mm Standard Changeover Reed Switch
Product Characteristics
Operating Characteristics
Operate Time ¹
Release Time ¹
Shock ²
Vibration ²
Resonant Frequency
Magnetic Characteristics
11ms 1∕2 sine wave
50-2000 Hertz
Hz - typ.
5.5ms - max.
8.0ms - max.
10G - max.
15G - max.
2.75kHz - typ.
Pull-In Range ³
Ampere Turns
Rating Sensitivity ⁴
Test Coil
Ampere Turns
Notes:
1. Operate (including bounce)/Release Time - per EIA/NARM RS-421-A,diode suppressed coil (Coil II).
2. Shock and Vibration - per EIA/NARM RS-421-A and MIL-STD-202.
3. Pull-In Range - Contact Littelfuse for narrower AT ranges available.
4. Rating Sensitivity - The value at which contact ratings and operating characteristics are determined. Derating may be required below this value.
5. Custom modifications of forming and/or cutting of reed switches are available. Please contact Littelfuse.
50-80
60
L4988
Drop-Out vs. Pull-In Chart
70
60
Part Numbering System
DRT-DTH-50-80
Max.
Min.
50
40
30
20
10
0
0
10
20
30
40
50
60
70
80
Pull-In (AT, L4989 Coil)
Note: Chart represents the range of Drop-Out, min to max for a given Pull-In value.
Series
AT Range
50-60 AT
50-65 AT
50-80 AT
65-75 AT
70-75 AT
70-80 AT
75-80 AT
Example:
50-80 AT product is
DRT-DTH-50-80
Note: These AT values are the before-modification values of the bare reed switch.
90
Packaging
Packaging Option
Bulk
Packaging Specification
Bulk
Quantity
1000
Quantity & Packaging Code
N/A
Taping Width
N/A
© 2015 Littelfuse
Revised: 11/02/15
Specifications are subject to change without notice.
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