Datasheet

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Case Size NPI31LS NPI32LS NPI35LS NPI41LS NPI42LS

Inductance Range 1.2 ~ 47μH 0.75 ~ 82μH 0.68 ~ 47μH 0.68 ~ 68μH 1.2 ~ 82μH

Operating Temperature Range -25°C ~ +120°C (Including Self-Heating)

Temperatrue Rise at Irms +40°C

Inductance Change at Isat Maximum -30% Indcutance Drop From Initial Measured Value

Inductance Tolerance ±20%

Resistance to Solder Heat +260°C for 10 seconds

NPI Unshielded Power Inductors

FEATURES

• NON-SHIELDED MAGNETIC CIRCUIT DESIGN

• SMALL SIZE WITH CURRENT RATINGS TO 16.5 AMPS

• SURFACE MOUNTABLE CONSTRUCTION

• TAKES UP LESS PCB REAL ESTATE AND SAVES MORE POWER

• TAPED AND REELED FOR AUTOMATIC INSERTION

• FOR USE IN VARIOUS POWER SUPPLY APPLICATIONS

NPI__LS Series

Case Size NPI43LS NPI63LS NPI65LS NPI84LS

Inductance Range 0.91 ~ 330μH 1.2 ~ 82μH 1.0 ~ 270μH 0.75 ~ 82μH

Ambient Operating Temperature Range -25°C ~ +120°C (Including Self-Heating)

Temperatrue Rise at Irms +40°C

Inductance Change at Isat Maximum -30% Indcutance Drop From Initial Measured Value

Inductance Tolerance ±20%

Resistance to Solder Heat +260°C for 10 seconds

Series A ± 0.3 B ± 0.3 C max. D ± 0.3 F ± 0.3 H I G

NPI31LS 3.0 3.0 1.2 0.75 1.5 2.7 0.8 2.3

NPI32LS 3.0 3.0 1.4 0.75 1.5 2.7 0.8 2.3

NPI35LS 3.0 3.0 1.7 0.75 1.5 2.7 0.8 2.3

NPI41LS 4.0 4.0 1.4 0.95 2.1 3.7 1.1 3.0

NPI42LS 4.0 4.0 2.2 0.95 2.1 3.7 1.1 3.0

NPI43LS 4.0 4.0 3.0 0.95 2.1 3.7 1.1 3.0

NPI63LS 6.0 6.0 2.8 1.55 2.9 5.7 1.6 4.6

NPI65LS 6.0 6.0 4.5 1.55 2.9 5.7 1.6 4.6

NPI84LS 8.0 8.0 4.2 2.0 4.0 7.5 2.2 6.0

NPIS

31 LS

470

RoHS Compliant

Packaging: TR = Tape & Reel

Inductance Tolerance Code: M=±20%

Inductance Code (μH): 1st two digits are signiﬁ cant,

3rd digit is multiplier.

Construction Code (see drawing for details)

Size Code (see table for details)

Series

PART NUMBER SYSTEM

*See Part Number System for Details

RoHS

Compliant

includes all homogeneous materials

Summary of content (11 pages)

PAGE 1
NPI Unshielded Power Inductors NPI__LS Series FEATURES • NON-SHIELDED MAGNETIC CIRCUIT DESIGN • SMALL SIZE WITH CURRENT RATINGS TO 16.5 AMPS • SURFACE MOUNTABLE CONSTRUCTION • TAKES UP LESS PCB REAL ESTATE AND SAVES MORE POWER • TAPED AND REELED FOR AUTOMATIC INSERTION • FOR USE IN VARIOUS POWER SUPPLY APPLICATIONS Case Size Inductance Range RoHS Compliant includes all homogeneous materials *See Part Number System for Details NPI31LS NPI32LS NPI35LS NPI41LS NPI42LS 1.2 ~ 47μH 0.75 ~ 82μH 0.
PAGE 2
NPI Unshielded Power Inductors NPI__LS Series Standard Values - Case Size 31 (3.0 x 3.0 x 1.2mm) Series Inductance (μH) Tolerance Test Conditions DCR (Ω) Isat (Amps) Irms (Amps) SRF (MHz) NPI31LS1R2MTRF 1.2 ±20% 100KHz, 1V 0.082 2.25 1.14 170 NPI31LS1R5MTRF 1.5 ±20% 100KHz, 1V 0.097 2.02 1.05 140 NPI31LS1R8MTRF 1.8 ±20% 100KHz, 1V 0.108 1.75 1.0 110 NPI31LS2R2MTRF 2.2 ±20% 100KHz, 1V 0.125 1.64 0.9 100 NPI31LS2R7MTRF 2.7 ±20% 100KHz, 1V 0.143 1.51 0.
PAGE 3
NPI Unshielded Power Inductors NPI__LS Series Standard Values - Case Size 32 (3.0 x 3.0 x 1.4mm) Series Inductance (μH) Tolerance Test Conditions DCR (Ω) Isat (Amps) Irms (Amps) SRF (MHz) NPI32LSR75MTRF 0.75 ±20% 100KHz, 1V 0.037 3.31 1.74 180 NPI32LS1R0MTRF 1.0 ±20% 100KHz, 1V 0.045 2.93 1.59 150 NPI32LS2R2MTRF 2.2 ±20% 100KHz, 1V 0.097 2.02 1.08 100 NPI32LS3R3MTRF 3.3 ±20% 100KHz, 1V 0.164 1.62 0.83 81 NPI32LS3R9MTRF 3.9 ±20% 100KHz, 1V 0.177 1.49 0.
PAGE 4
NPI Unshielded Power Inductors NPI__LS Series Standard Values - Case Size 35 (3.0 x 3.0 x 1.7mm) Series Inductance (μH) Tolerance Test Conditions DCR (Ω) Isat (Amps) Irms (Amps) SRF (MHz) NPI35LSR68MTRF 0.68 ±20% 100KHz, 1V 0.028 3.81 2.23 170 NPI35LS1R0MTRF 1.0 ±20% 100KHz, 1V 0.04 3.27 1.85 150 NPI35LS1R2MTRF 1.2 ±20% 100KHz, 1V 0.053 2.84 1.61 133 NPI35LS1R5MTRF 1.5 ±20% 100KHz, 1V 0.06 2.6 1.51 113 NPI35LS1R8MTRF 1.8 ±20% 100KHz, 1V 0.068 2.32 1.
PAGE 5
NPI Unshielded Power Inductors NPI__LS Series Standard Values - Case Size 41 (4.0 x 4.0 x 1.4mm) Series Inductance (μH) Tolerance Test Conditions DCR (Ω) Isat (Amps) Irms (Amps) SRF (MHz) NPI41LSR68MTRF 0.68 ±20% 100KHz, 1V 0.053 4.56 1.63 140 NPI41LS1R0MTRF 1.0 ±20% 100KHz, 1V 0.067 3.74 1.45 140 NPI41LS1R5MTRF 1.5 ±20% 100KHz, 1V 0.081 3.16 1.32 110 NPI41LS1R8MTRF 1.8 ±20% 100KHz, 1V 0.097 2.85 1.2 100 NPI41LS2R7MTRF 2.7 ±20% 100KHz, 1V 0.113 2.56 1.
PAGE 6
NPI Unshielded Power Inductors NPI__LS Series Standard Values - Case Size 42 (4.0 x 4.0 x 2.2mm) Series Inductance (μH) Tolerance Test Conditions DCR (Ω) Isat (Amps) Irms (Amps) SRF (MHz) NPI42LS1R2MTRF 1.2 ±20% 100KHz, 1V 0.029 5.98 2.16 100 NPI42LS1R5MTRF 1.5 ±20% 100KHz, 1V 0.04 5.23 1.86 85 NPI42LS1R8MTRF 1.8 ±20% 100KHz, 1V 0.045 4.77 1.74 74 NPI42LS2R2MTRF 2.2 ±20% 100KHz, 1V 0.051 4.33 1.63 64 NPI42LS2R7MTRF 2.7 ±20% 100KHz, 1V 0.057 3.74 1.
PAGE 7
NPI Unshielded Power Inductors NPI__LS Series Standard Values - Case Size 43 (4.0 x 4.0 x 3.0mm) Series Inductance (μH) Tolerance Test Conditions DCR (Ω) Isat (Amps) Irms (Amps) SRF (MHz) NPI43LSR91MTRF 0.91 ±20% 100KHz, 1V 0.015 7.8 3.65 98 NPI43LS1R2MTRF 1.2 ±20% 100KHz, 1V 0.02 6.83 3.18 77 NPI43LS1R5MTRF 1.5 ±20% 100KHz, 1V 0.023 6.13 2.97 73 NPI43LS1R8MTRF 1.8 ±20% 100KHz, 1V 0.027 5.62 2.75 63 NPI43LS2R2MTRF 2.2 ±20% 100KHz, 1V 0.03 5.03 2.
PAGE 8
NPI Unshielded Power Inductors NPI__LS Series Standard Values - Case Size 63 (6.0 x 6.0 x 2.8mm) Series Inductance (μH) Tolerance Test Conditions DCR (Ω) Isat (Amps) Irms (Amps) SRF (MHz) NPI63LS1R2MTRF 1.2 ±20% 100KHz, 1V 0.013 8.4 4.58 94 NPI63LS1R5MTRF 1.5 ±20% 100KHz, 1V 0.016 7.14 4.09 80 NPI63LS2R2MTRF 2.2 ±20% 100KHz, 1V 0.019 6.19 3.75 64 NPI63LS3R3MTRF 3.3 ±20% 100KHz, 1V 0.028 4.89 3.08 46 NPI63LS4R3MTRF 4.3 ±20% 100KHz, 1V 0.032 4.35 2.
PAGE 9
NPI Unshielded Power Inductors NPI__LS Series Standard Values - Case Size 65 (6.0 x 6.0 x 4.5mm) Series Inductance (μH) Tolerance Test Conditions DCR (Ω) Isat (Amps) Irms (Amps) SRF (MHz) NPI65LS1R0MTRF 1.0 ±20% NPI65LS1R8MTRF 1.8 ±20% 100KHz, 1V 0.01 11.13 4.86 100 100KHz, 1V 0.014 8.38 4.17 60 NPI65LS2R2MTRF 2.2 NPI65LS4R7MTRF 4.7 ±20% 100KHz, 1V 0.016 7.55 3.89 46 ±20% 100KHz, 1V 0.029 5.18 2.85 31 NPI65LS5R6MTRF NPI65LS6R2MTRF 5.6 ±20% 100KHz, 1V 0.032 4.
PAGE 10
NPI Unshielded Power Inductors NPI__LS Series Standard Values - Case Size 84 (8.0 x 8.0 x 4.2mm) Series Inductance (μH) Tolerance Test Conditions DCR (Ω) Isat (Amps) Irms (Amps) SRF (MHz) NPI84LSR75MTRF 0.75 ±20% 100KHz, 1V 0.008 NPI84LS1R2MTRF 1.2 ±20% 100KHz, 1V 0.01 16.5 6.3 110 13.3 5.65 82 NPI84LS1R8MTRF 1.8 ±20% 100KHz, 1V NPI84LS2R2MTRF 2.2 ±20% 100KHz, 1V 0.012 11.4 5.15 60 0.014 9.65 4.7 40 NPI84LS3R3MTRF 3.3 ±20% NPI84LS3R9MTRF 3.
PAGE 11
NPI Unshielded Power Inductors NPI__LS Series REFLOW SOLDERING PROFILE 300 Soldering 260°C max. 10 seconds max. Temperature °C 250 200 Time above 240°C 20 ~ 60 sec. +190°C 150 Pre-heat 120 sec. ±30 sec. Cool Down 100 50 25 30 Case Size 90 120 150 180 210 240 270 300 Time - Seconds CARRIER TAPING DIMENSIONS (mm) AND REEL QUANTITY Ao Bo Ko 3.3 ± 0.1 3.3 ± 0.1 1.6 ± 0.1 NPI31LS NPI32LS 60 Co W Po t Quantity 3.5 ± 0.1 8.0 ± 0.3 4.0 ± 0.1 0.3 ± 0.03 1.4 ± 0.