littelfuse.com

© 2015 Littelfuse

Revised: 10/16/15

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

3000

N/A

N/A

Product Characteristics

Operating Characteristics

0.55ms - max.

0.20ms - max.

11ms 1∕2 sine wave

100G - max.

50-2000 Hertz

30G - max.

Resonant Frequency

5.2kHz - typ.

Part Numbering System

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.

FLEX-14-10-15

Series

AT Range

10-15 AT

15-20 AT

20-25 AT

25-30 AT

Example:

10-15 AT product is

FLEX-14-10-15

Axial Lead Reed Switches

Low Power > FLEX-14

FLEX-14 14mm Reed Switch

Magnetic Characteristics

Ampere Turns

10-30

Ampere Turns

20

Test Coil

L4989

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.

5

0

10

15

20

25

5

0

Pull-In (AT, L4989 Coil)

10

15

20

25

30

35

Max.

Min.