FERROXCUBE DATA SHEET Gapped SMD beads Soft Ferrites New data 2004 Nov 01 Ferroxcube Soft Ferrites Gapped SMD beads Mechanical data GAPPED SMD BEADS FOR POWER INDUCTORS General data ITEM SPECIFICATION 4.6 ± 0.3 1.2 min 1.1 min Strip material copper (Cu), tin (Sn) plated Solderability “IEC 60068-2-58”, Part 2, Test Ta, method 1 Taping method “IEC 60286-3” , “EIA 481-1” and “EIA 481-2” L at 1 MHz (nH) Imax(1) (A) 1.27 ± 0.07 3 max Grades, parameters and type numbers GRADE 3.05 ± 0.15 MGC296 0.2 ± 0.015 Dimensions in mm. Fig.1 BDS 3/3/4.6. TYPE NUMBER BDS 3/3/4.6; mass ≈ 0.15 g (2) 3C96 50 ± 20 % 20 BDS3/3/4.6-3C96-A50 75 ± 20 % 15 BDS3/3/4.6-3C96-A75 5 min BDS 4.6/3/8.9; mass ≈ 0.5 g (3) 3C96 100 ± 20% 20 BDS4.6/3/8.9-3C96-A100 150 ± 20% 20 BDS4.6/3/8.9-3C96-A150 4.6 ± 0.3 8.9 ± 0.35 1.2 min 3 max 0.2 ± 0.015 Note Dimensions in mm. 1. Imax is the saturation rated current. Fig.2 BDS 4.6/3/8.9. 2. DC resistance <0.6 mΩ. 3. DC resistance <1.0 mΩ 2004 Nov 01 1.27 ± 0.07 2 MGC298 Ferroxcube Soft Ferrites Gapped SMD beads RECOMMENDED DIMENSIONS OF SOLDER LANDS Table 1 Reflow soldering DIMENSIONS (mm) SIZE A B C D BDS 3/3/4.6 2.8 6.4 1.8 3.3 BDS 4.6/3/8.9 7.0 10.8 1.9 3.3 ; ; B C C A D MEA734 For dimensions see Table 1. Dimensions of solder lands are based on a solder paste layer thickness of approximately 200 µm (≈0.7 mg solder paste per mm2). Fig.3 Reflow and vapour phase soldering. Table 2 Wave soldering DIMENSIONS (mm) SIZE A B C D E BDS 3/3/4.6 2.0 6.4 2.2 3.0 0.8 BDS 4.6/3/8.9 6.0 12.2 3.1 3.0 2.5 ;;; B C A C E D MEA735 For dimensions see Table 2. Fig.4 Wave soldering. 2004 Nov 01 3 Ferroxcube Soft Ferrites Gapped SMD beads Soldering profiles 300 MLA859 10 s T 260 °C 245 °C (°C) 250 10 s 215 °C 200 40 s 180 °C 150 130 °C 100 2 K/s 50 0 0 50 100 150 200 250 t (s) Typical values (solid line). Process limits (dotted lines). Fig.5 Reflow soldering. 300 10 s T MLA861 (°C) 250 235 °C to 260 °C 200 second wave 5 K/s first wave 2 K/s 200 K/s 150 100 °C to 130 °C forced cooling 100 2 K/s 50 0 0 50 100 150 Typical values (solid line). Process limits (dotted lines). Fig.6 Double wave soldering. 2004 Nov 01 4 200 t (s) 250 Ferroxcube Soft Ferrites Gapped SMD beads BLISTER TAPE AND REEL DIMENSIONS K0 handbook, full pagewidth P0 D0 T P2 E F cover tape W B0 MEA613 - 1 A0 D1 P1 direction of unreeling For dimensions see Table 3. Fig.7 Blister tape. Table 3 Physical dimensions of blister tape; see Fig.7 DIMENSIONS (mm) SIZE BDS3/3/4.6 BDS4.6/3/8.9 A0 3.45 ±0.1 5.1 ±0.1 B0 5.1 ±0.1 9.4 ±0.1 K0 3.1 ±0.1 3.1 ±0.1 T 0.25 ±10% 0.3 ±0.05 W 12.0 ±0.3 16.0 ±0.3 E 1.75 ±0.1 1.75 ±0.1 F 5.5 ±0.05 7.5 ±0.1 D0 1.5 +0.1 1.5 +0.1 D1 ≥1.5 ≥1.5 P0 4.0 ±0.1 4.0 ±0.1 P1 8.0 ±0.1 8.0 ±0.1 P2 2.0 ±0.05 2.0 ±0.1 2004 Nov 01 5 Ferroxcube Soft Ferrites Gapped SMD beads W2 handbook, full pagewidth 20.5 12.75 0.15 N 0 A MSA284 W1 Dimensions in mm. For dimensions see Table 4. Fig.8 Reel. Table 4 Reel dimensions; see Fig.8 DIMENSIONS (mm) SIZE A N W1 W2 12 330 100 ±5 12.4 ≤16.4 16 330 100 ±5 16.4 ≤20.4 2004 Nov 01 6 Ferroxcube Soft Ferrites Gapped SMD beads DATA SHEET STATUS DEFINITIONS DATA SHEET STATUS PRODUCT STATUS DEFINITIONS Preliminary specification Development This data sheet contains preliminary data. Ferroxcube reserves the right to make changes at any time without notice in order to improve design and supply the best possible product. Product specification Production This data sheet contains final specifications. Ferroxcube reserves the right to make changes at any time without notice in order to improve design and supply the best possible product. DISCLAIMER Life support applications These products are not designed for use in life support appliances, devices, or systems where malfunction of these products can reasonably be expected to result in personal injury. Ferroxcube customers using or selling these products for use in such applications do so at their own risk and agree to fully indemnify Ferroxcube for any damages resulting from such application. PRODUCT STATUS DEFINITIONS STATUS INDICATION DEFINITION Prototype These are products that have been made as development samples for the purposes of technical evaluation only. The data for these types is provisional and is subject to change. Design-in These products are recommended for new designs. Preferred These products are recommended for use in current designs and are available via our sales channels. Support These products are not recommended for new designs and may not be available through all of our sales channels. Customers are advised to check for availability. 2004 Nov 01 7