Document
ERU chokes
ERU 19, helically wound
Series/Type: Date:
B82559*A019 June 2016
a~í~=pÜÉÉí
¤EPCOS AG 2016. Reproduction, publication and dissemination of this publication, enclosures hereto and the information contained therein without EPCOS’ prior express consent is prohibited.
EPCOS AG is a TDK Group Company.
ERU chokes Helically wound
Rated inductance 1.0 .... 30 µH Saturation current 10.1 ... 43 A
Construction ■ High temperature ferrite core ■ Magnetically shielded ■ Helical winding ■ Self-leaded construction ■ Under body termination ■ 3 pins for improved reliability
Features ■ High rated current ■ Extremely low DC resistance ■ Very low profile and extremely small footprint ■ Suitable for pick-and-place processes ■ RoHS-compatible ■ Easily customized ■ AEC-Q200 qualified
Applications Energy storage chokes for ■ DC-DC converters ■ VRM modules ■ POL converters ■ Solar converters
Terminals Lead-free tinned
Marking Manufacturer, ordering code, date of manufacture and production place (YYWWD/X),
Delivery mode and packing units ■ Blister tape
B82559*A019 ERU 19
Please read Cautions and warnings and Important notes at the end of this document.
2 06/16
ERU chokes Helically wound
Dimensional drawing and layout recommendation
B82559*A019 ERU 19
Circuit diagram
Dimensions in mm
Please read Cautions and warnings and Important notes at the end of this document.
3 06/16
ERU chokes Helically wound
Taping and packing Tape:
B82559*A019 ERU 19
Reel:
Dimensions in mm
Dimensions in mm
Height (mm) component h cavity H
8.35 10.2
9.15 11.0
9.75 11.6
10.85
12.7
Packing unit per reel 240 200 190 160
Please read Cautions and warnings and Important notes at the end of this document.
4 06/16
ERU chokes Helically wound
B82559*A019 ERU 19
Technical data and measuring conditions
Rated inductance LR Inductance tolerance Saturation current ISat
DC resistance RDC Self-resonant frequency High voltage: N1 - core Solderability (test of wettability of the pins)
Resistance to soldering heat Operating temperature Storage conditions (packaged)
Measured at 100 kHz, 0.1 V, +25 °C r10% Current that will result in an approximately 20% drop in the inductance values at the specified temperature
Measured at +25 °C ! 2 MHz 200 V DC, 1 s (245 r5) °C, (3 r0.3) s, wetting of soldering area t95% (based on IEC 60068-2-58, solder bath method)
To JEDEC J-STD 020D (Tc: +245 °C on pin) 40 °C … +150 °C (component) –25 °C … +40 °C, d75% RH
Characteristics and ordering codes
LR
PH 1.0 1.5 2.2 3.3 4.7 6.8
10.0 15.0 20.0 30.0
Isat, 25°C
A 43.0 42.5 37.8 31.5 23.0 18.6 14.4 13.0 12.0 10.1
Isat, 100°C RDC (max) RDC (typ)
A 37.5 36.3 32.2 27.0 20.2 16.4 12.7 11.4 10.6
8.7
m: 1.20 1.70 2.20 2.70 2.70 8.25 9.55
12.15 14.75 18.65
m: 0.95 1.45 1.80 2.30 2.30 7.70 8.90
11.35 13.75 17.35
Height h Approx. Ordering code (nom.) weight mm g
8.35 9.8 B82559A2102A019 9.15 10.3 B82559A3152A019 9.75 11.1 B82559A4222A019 10.85 12.7 B82559A5332A019 10.85 12.7 B82559A5472A019 8.35 9..