personal touch passives Space-saving 4-resistor arrays 0804 packa

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Space-saving 4-resistor arrays 0804 package
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Space-saving 4-resistor arrays 0804 package
today's applications move toward ever-higher processing speeds levels miniaturization, board space becomes more more critical layout design. This means that components need smaller pack more functionality than ever before.
Phycomp's 4-resistor arrays provide solution
meet these requirements, Phycomp recently introduced surface-mount 8-pin isolated resistor array that integrates four size 0402 resistors single size 0804 package. array therefore takes significantly less board space than network based discrete resistors (see Fig. whilst offering bonuses inductance excellent high-frequency behaviour. Moreover, using array, equipment manufacturers able save significantly assembly costs expensive investment surface-mounting systems. array extends Phycomp's growing range integrated components aimed supporting equipment manufacturers their ongoing drive miniaturization.
These advantages make isolated resistor arrays attractive broad range modern equipment including notebook/desktop/Handy computers (where they find application motherboards hard disk drive circuitry), mobile phones digital consumer equipment (e.g. players, camcorders advanced pagers).
MSD274
index lower than 0603x4 discrete 0402x4 discrete component 0603x4 discrete 0402x4 array board lower than 0402x4 discrete
SUMMARY
Phycomp recently introduced surfacemount 8-pin isolated resistor array that integrates four size 0402 resistors single size 0804 package. array takes significantly less board space than network based discrete resistors whilst offering bonuses inductance excellent high-frequency behaviour. Moreover using array, equipment manufacturers able save significantly assembly costs.
Fig. Total cost savings greater than just benefits offered Phycomp's 4-resistor array
0402 discrete
Specifications mechanical details
arrays available choice terminations: concave convex.
lead pitch
Table Resistor array specifications concave convex terminations terminations Size 0804 (0402 Resistance range series Resistance tolerance Number resistors Number terminals ±200 ppm/K ±300 ppm/K Abs.max. dissipation 1/16 Tamb= Maximum permissible RMS) voltage Operating temperature +125 Stability after: load, 1000 hours max. ±3.00% 0.10 Tamb= climatic tests max. ±3.00% 0.10 soldering max. ±1.00% 0.05 short time overload, max. ±2.00% 0.05 100V max.
0402x4 array
MSD273A
Fig. Phycomp's 4-resistor arrays only board space needed discrete resistors
Advantages offered Phycomp's resistor arrays
Narrow termination pitch compatible with fine (0.5 pitch today's ICs, helping reduce board space improve wiring layout Rugged thick package reliable surfacemount assembly Integrates four size 0402 resistors into single 0804 package greatly simplifying surface-mounting operations High power dissipation 1/16 equivalent 0603 discrete resistor Total cost saving greater than customer application (Fig.
Mechanical data
concave termination
High-frequency performance
Figure compares variation impedance with frequency isolated resistor array 0603 discrete resistor. Both show that normalized impedance (|Z|/R) varies with frequency rapidly diverts from ideal value presence parasitic inductances capacitances. figures also show, however, that this diversion from unity greater 0603 resistor, showing that performance Phycomp's resistor array superior.
size 0402
MSD279
Typical applications
Figure shows basic application example space saving reducing wiring distance. general, Phycomp's 0804 isolated resistor array ideal pull-up/pull-down circuits, damping circuits, bridge networks, voltage (current) offset circuits digital-to-analog converters.
pull-up
Soldering conditions Surface-mount resistors tested solderability temperature seconds. typical example soldering process that provides reliable joints without damage given Fig.
(°C)
215°C
MSD281
convex termination
Typical values (solid line) Process limits (dotted line)
damping
MSD278A
MSD275
Fig. Internal construction Phycomp's 4-resistor array
concave termination
1.00 0.10 0.185 0.15 0.25 0.10 0.25 0.10
Fig. Pull-up damping circuits just application areas Phycomp's 4-resistor arrays
Fig. Soldering conditions (infrared soldering)
Handling precautions
Soldering precautions Note that this product will easily damaged rapid heating, rapid cooling local heating subject product thermal shock soldering temperatures greater than recommend preheating annealing (gradual cooling) stages during soldering cycle Wave soldering this product recommended since this lead formation solder bridging narrow pitch product. Solder precautions Note following precautions when using solder replacement: temperature must exceed ensure this, solder with power less than solder must come into direct contact with product.
(MHz)
MSD280
Component soldering
Reflow soldering Print solder paste thickness rosin-based flux, activated flux (containing, example, more than 0.2% weight chlorine) solder consisting Sn/Pb proportions 63/37 60/40 Sn/Pb/Ag proportion 62/36/2 Solder footprint
0.50 0.10
0.30 0.10
size 0603
2.00 0.10 0.50 0.10
0.30 0.10
MSD276
(MHz)
convex termination
1.00 0.10 0.20 0.10 0.20 0.15 0.50 0.10 0.26 0.10
Fig. Impedance function frequency 4resistor array discrete 0603 resistor
0.50 0.10
1.80 0.20
0.20 0.05
2.00 0.10 0.50 0.10 0.30 0.10
MSD277
0.50
0.30 0.05
MSD282
Fig. Solder footprint (dimensions
Fig. Size 0804 resistor array (dimensions
Substrate handling precautions Ensure that board flexed excessively after product other components have been soldered necessary, support prevent excessive flexing board Mount products possible from break line board from line large holes board Ensure that board flexed excessively when other components added. necessary, support prevent flexing break board hand. recommend machine break board.
another component vacuum nozzle
Storage conditions Note following precautions when storing product: Avoid high-temperature, high-humidity dusty environments atmospheres containing corrosive gases (e.g. hydrogen chloride, sulphuric acid gas, hydrogen sulphide) since these degrade terminal solderability Keep storage temperature less than relative humidity less than and, possible, keep storage longer than months Avoid direct heat sunshine prevent packaging tape from melting sticking product.
More information
more information data contact your local Phycomp sales representative (address back cover) visit site
resistor array
support pins
MSD283
Fig. Precautions when handling substrate
Headquarters Sales Europe Phycomp France S.A.S. Carnot B.P. 92156 Suresnes Cedex Paris, France Tel: (0)1 4099 6161 Fax: (0)1 4099 6493
Headquarters Sales Asia Pacific Phycomp Taiwan Ltd. No.223-1, Pao-Chiao Road hsin-Tien, Taipei, Taiwan R.O.C. Tel: +886 (0)2 2917 Fax: +886 (0)2 2917
Headquarters Sales Phycomp Inc. 12375-B Pine Springs Drive Paso 79928 Tel: 3200 Fax: 3205
General Headquarters Phycomp Holding B.V. Bredeweg 6042 Roermond Netherlands Tel: (0)475 Fax: (0)475
Phycomp Holding B.V. rights reserved. Reproduction whole part prohibited without prior written consent copyright owner. information presented this document does form part quotation contract, believed accurate reliable changed without notice. liability will accepted publisher consequence use. Publication thereof does convey imply license under patent- other industrial intellectual property rights.
Printed Netherlands
Document order number: 9398 25011
Date release: 2001

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