Series Series Example PART NUMBERING SYSTEM Tolera
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Multilayer Power Inductors
Series
Series
Example
PART NUMBERING SYSTEM
Tolerance Inductance
Characteristics Physical Dimensions TOKO's Type name Inductance Unit digits used value indicated shown below Example R47.0.47H 2R2.2.2H Tolerance Inductance Mark Tolerance
Series REEL PACKAGING
Chip's placing Chip Inductors packaged into width, pitch plastic tape then enclosed cover tape. Carriage hole position Carriage hole position right side tape when sealing tape side. 8mm4mm Reel dimensions (Unit: mm)(mm)
Tape dimensions (Unit: mm)(mm)
Type MDT2520CN MDT2520CR MDT2520CH MDT2012CR
1.45
2.75
2.25
0.25
1.3±0.1
1.1±0.1
Material (Tape)
Plastic
(180)
3000PCS/reel
Label: Customer's P/N, Q'ty, TOKO P/N, TOKO, INC.
Multilayer Power Inductors
Series
SOLDERING CONDITIONS
Pattern dimensions (unit MDT2520 series MDT2012 series 1.6±0.3 2.2±0.3 3.2±0.3 0.8±0.3 1.4±0.3 2.4±0.3
Recommended Pattern
Conditions soldering temperatures determined figures below after prior confirmation that abnormalities evident.
Reflow Soldering Profile
Soldering Iron Conditions
Temperature Time
260±10
Reflow times times recommend infrared heat source reflow bath. However halogen lamp shall used, side heat will beyond range resistance heat, can't recommend
Series
INDUCTANCE Test equipment Impedance analyzer: 0.5V
ELECTRICAL CHARACTERISTICS TEST METHOD
4291A/B(Agilent Technologies) 1MHz, 0.5V 4338B(Agilent Technologies)
4291A/B(Agilent Technologies)
Resistance) Test equipment 4338B(Agilent Technologies) equivalent Maximum allowable current temperature rises excitation current. (The ambient reference temperature:
Standard atmospheric conditions Unless otherwise specified, standard range atmospheric conditions making measurements test follows; Ambient temperature Relative humidity:25% pressure:86kPa 106kPa more strict measurement required, measurement shall made within following limits; Ambient temperature 20±1, Relative humidity pressure 86kPa 106kPa
(1535) (2585%)(86106kPa) 20±163 67%86106kPa
Multilayer Power Inductors
Series
Item
MECHANICAL CHARACTERISTICS
Condition
Specification
Bending test
apparent damage
2mm0.5mm
Soldered chip board bent down below drawing
Pressing device
Adhesion strength
Boad 100mm thickness 1.2mm R0.5 (5N) 10±5 separation indication electrode static load using R0.5 pressing tool shall applied body specimen direction arrow shall hold 10±5
Mechanical Characteristics
Specimen
Vibration
apparent damage. Change from initial value
L:within ±20%
1050010Hz/ 1.5mm(or10G) specimen shall subjected vibration 1.5mm(or 10G) amplitude, sweep frequency 1055Hz(10Hz 500Hz 10Hz period minute) each 3(X, axes. Peak acceleration 200G Duration pulse times each 3(X, axes. Three successive shock shall applied perpendicular direction each surface specimen. Electrode shall immersed flux room temperature then shall immersed solder bath after preheat. Soldering 245±5 3±0.5s Test method Reflow soldering method Preheat 150180 90120s Peak temp. (230min 30±10s) 0.8mm
Mechanical shock
apparent damage. Change from initial value L:within ±20% solder shall cover minimum surface immersed.
Solder ability
Resistance Soldering heat
apparent damage. Change from initial value L:within ±20%
specimen shall subjected reflow process under above condition times. Test board shall thick. Base material shall glass epoxy resin. Measurement specimen shall stored standard atmospheric conditions prior measurement. Storage temperature range -4085 case taping use040040 Operating temperature range -4085
Multilayer Power Inductors
Series
Item
ENVIRONMENTAL CHARACTERISTICS
Condition
Specification
Dump heat
apparent damage. Change from initial value
L:within ±20%
500(+24/-0) Exposure 40±2, relative humidity 90-95% 500(+24/-0) hours. hours exposure room temperature humidity prior measurement. -40±2500(+24/-0) Exposure +40±2, 500(+24/-0)hours. hours exposure room temperature humidity prior measurement. +85±2500(+24/-0) Exposure +85±2, 500(+24/-0)hours. hours exposure room temperature humidity prior measurement. -40(30)(2)85(30) 1500 specimen shall subjected continuous cycles temperature change with transit period 2min less. hours exposure room temperature humidity prior measurement. 40±29095% 500(+24/-0) Exposure 40±2, relative humidity 90-95% 500(+24/-0) hours with allowable current. hours exposure room temperature humidity prior measurement. +85±2500(+24/-0) Exposure 85±2, 500(+24/-0) hours with allowable current. hours exposure room temperature humidity prior measurement.
temperature
apparent damage. Change from initial value L:within ±20% apparent damage. Change from initial value L:within ±20% apparent damage. Change from initial value L:within ±20%
Environment Characteristics
heat
Temperature cycle
Loading under Damo Heat
apparent damage. Change from initial value L:within ±20%
Loading High Temperature
apparent damage. Change from initial value L:within ±20%
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