littelfuse.com

© 2017 Littelfuse

Revised: 07/17/17

Specifications are subject to change without notice.

Drop-Out vs. Pull-In Chart

Packaging

Packaging Option

Packaging Specification

Quantity

Quantity & Packaging Code

Taping Width

Bulk

Bulk

1000

N/A

N/A

Product Characteristics

Operating Characteristics

4.5ms - max.

2.5ms - max.

11ms 1∕2 sine wave

100G - max.

50-2000 Hertz

30G - max.

Resonant Frequency

Hz - typ.

850Hz - typ.

Part Numbering System

Notes:

1. Operate (including bounce)/Release Time - per EIA/NARM RS-421-A,diode suppressed coil (Coil IV).

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.

Axial Lead Reed Switches

High Power > DRS-50

DRS-50 50.8mm High Power Reed Switch

DRS-50-42-83

Series

AT Range

42-48 AT

42-53 AT

42-83 AT

47-53 AT

47-58 AT

47-68 AT

57-63 AT

57-68 AT

62-68 AT

62-78 AT

67-73 AT

67-83 AT

77-83 AT

62-73 AT

Example:

42-83 AT product is

DRS-50-42-83

Note: Chart represents the range of Drop-Out, min to max for a given Pull-In value.

Note: These AT values are the before-modification values of the bare reed switch.

Magnetic Characteristics

Ampere Turns

42-83

Ampere Turns

60

Test Coil

L4988

10

0

20

30

40

50

10

0

Pull-In (L4988 Coil)

20

30

40

50

60

70

80

90

Max.

Min.