28338| Datasheet

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157 PUM-SI
Vishay BCcomponents

Aluminum Capacitors Power Ultra Miniature Snap-In
FEATURES
Polarized aluminum non-solid electrolyte electrolytic capacitors,

Large types, very small dimensions, cylindrical aluminum case, insulated with a blue sleeve Useful life: 5000 hours at 85 C Keyed polarity version available
Fig.1 Component outlines
159 PUL-SI

RoHS
COMPLIANT

APPLICATIONS
General purpose, industrial and audio/video systems Smoothing and filtering Standard and switched mode power supplies
longer life higher ripple 198 PHR-SI

105 C 057 PSM-SI smaller dimensions

157 PUM-SI

Energy storage in pulse systems

MARKING QUICK REFERENCE DATA
DESCRIPTION Nominal case sizes ( D x L in mm) Rated capacitance range (E6/E12 series), CR Tolerance on CR Rated voltage range, UR Category temperature range Endurance test at 85 C Load life at 85 C Useful life at 85 C Useful life at 40 C, 1.4 x IR applied Shelf life at 0 V, 85 C Based on sectional specification Climatic category IEC 60038 VALUE 22 x 25 to 35 x 60 56 uF to 2200 uF 20 % 200 V, 250 V 400 V, 450 V - 25 to + 85 C 3000 hours 3000 hours 5000 hours 90 000 hours 1000 hours IEC 60384-4/EN130300 25/085/56

The capacitors are marked (where possible) with the following information: Rated capacitance (in uF) Tolerance on rated capacitance, code letter in accordance with IEC 60062 (M for 20 %) Rated voltage (in V) Date code (YYMM) Name of manufacturer Code for factory of origin `-' sign to identify the negative terminal, visible from the top and side of the capacitor Code number, all 12 or last 8 digits (2222) 157 xxxxx Climatic category in accordance with IEC 60068

SELECTION CHART FOR CR , UR AND RELEVANT NOMINAL CASE SIZES ( D x L in mm)
CR (uF) 56 68 82 100 UR (V) 200 250 400 22 x 25 22 x 25 22 x 30 22 x 30 450 22 x 25 22 x 30 22 x 30 25 x 25 22 x 35 25 x 30 22 x 40 25 x 30 30 x 25

120

Document Number: 28338 Revision: 18-Aug-08

For technical questions, contact: aluminumcaps2@vishay.com

www.vishay.com 41