LPWI datasheet(7/17 Pages) LITTELFUSE

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Power Inductor Datasheet

Specifications are subject to change without notice.

Revised: GD. 09/13/23

LPWI Series

Surface Mount

Inductive Vs. Frequency Characteristics

Time

TS(max)

TS(min)

time to peak temperature

(t 25ºC to peak)

Ramp-down

Ramp-up

Preheat

Critical Zone

TL to T P

Reflow Condition

Pb-free assembly

Pre Heat

- Temperature Min (T

s(min))

160°C

- Temperature Max (T

s(max))

185°C

- Time (Min to Max) (t

100 − 120 seconds

Average Ramp-up Rate (Liquidus Temp (T

L) to

peak)

1°C/second max

S(max) to TL - Ramp-up Rate

1°C/second max

Reflow

- Temperature (T

L) (Liquidus)

220°C

- Temperature (t

30 − 50 seconds

Peak Temperature (T

260°C

Time within 5°C of actual peak Temperature (t

5~10 seconds

Ramp-down Rate

2°C/second max

Time 25°C to Peak Temperature (T

4 minutes max

Do not exceed

260°C

Wave Soldering

260°C, 10 sec. max

Inductive Vs. Frequency Characteristics

Lead Pull Strength

Solderability

260ºC, ≤10s (Reflow),

Max 380ºC,≤5s (Soldering iron)

Soldering Heat

Resistance

Max 260ºC 10sec (Wave),

Max Temperature: Max 380ºC (Max 5sec)

Operating

Temperature

-40ºC ~ + 125ºC

Climatic Category

-40ºC ~ + 85ºC/8 days

Stock Conditions

-10ºC ~ + 40ºC RH, ≤ 70%

Vibration

Resistance

5 g’s for 20 minutes, 12 cycles each of 3

orientations

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