Item

Specification

Test Method/Condition

Environmental

Static Humidity

After exposure part remains within

specified electrical parameters for

L, Q and DCR.

Storage Life

After exposure part remains within

specified electrical parameters for

L, Q and DCR.

Moisture Resistance

After exposure, part shall not

Per MIL-STD 202 Method 106, ten 24 hour cycles at +25°C to

have a shorted or open winding.

+65°C at 80 to 95% R.H. During any of the first 9 cycles, inductors

are revolved from the chamber and exposed to -10°C for 3 hours.

Allow parts to dry for 2 hours before measurements are taken.

Temperature Cycle

After exposure part remains

10 cycles (Air to Air) 1 cycle shall consist of:

within specified electrical

30 minutes exposure to +85°C

parameters for L, Q and DCR.

30 minutes exposure to -40°C

Allow 20 minutes transition between extremes.

Temperature Shock

After exposure part remains

10 cycles (Air to Air) 1 cycle shall consist of:

within specified electrical

30 minutes exposure to -45°C

parameters for L, Q and DCR.

30 minutes exposure to +125°C

15 seconds maximum transition between temperatures

General

Storage Temperature

Range

-40°C to +85°C

Operating Temperature

Range

-40°C to +85°C

Flammability

IEC 695-2-2

Withstands needle-flame test

Other

Vibration

After exposure part remains

Inductors shall be randomly vibrated per NAVMAT P9492

within specified electrical

profile. Samples shall be subjected to 0.04G/Hz for a

parameters for L, Q and DCR.

minimum of 15 minutes per axis, for each of the three axes.

Mechanical Shock

After exposure part remains

Test per MIL-STD 202 method 213 test condition A, test

within specified electrical

mounted samples 3 axes, 6 times, totaling 18 shocks.

parameters for L, Q and DCR.

(50Gs, 11ms, half-sine).

Solderability

Wetting shall cover 90% minimum

of each termination

Component Adhesion

(Push Test)

4 pounds

Apply and measure force with a digital force gauge set.

Resistance to Solvent

No sign of degradation in

Withstands 6 minutes of alcohol.

appearance or marking detail.

Withstands 3 minutes forced spray Freon TMS

Load Life

After exposure, part shall not

Parts to be stored at 110°C for 1000 hours with rated current

have a shorted or open winding.

applied. Parts to be tested at: start, 500 and 1000 hours. Allow

2 hours at room temperature before testing.

Series

Revision

Sheet 3 of 3

Subject parts to an environment of +50°C 90 to 100% R.H. for 46 to 50

hours. After exposure, allow parts to dry for 2 hours before measurements

are taken.

Expose parts to an environment of +50°C with 90 to 95% R.H. for 100

hours. After exposure, allow parts to dry for 2 hours before measurements

are taken.

DU SERIES

C

For Print Distribution to Customers

Dip pads in RMA flux, 63/37 solder (Sn/Pb) at 232°C for 5 seconds ±2

seconds.