Owner's manual

Document Number: 28338 For technical questions, contact: aluminumcaps2@vishay.com
www.vishay.com
Revision: 18-Aug-08 41
Aluminum Capacitors
Power Ultra Miniature Snap-In
157 PUM-SI
Vishay BCcomponents
FEATURES
Polarized aluminum electrolytic capacitors,
non-solid electrolyte
Large types, very small dimensions, cylindrical
aluminum case, insulated with a blue sleeve
Useful life: 5000 hours at 85 °C
Keyed polarity version available
APPLICATIONS
General purpose, industrial and audio/video systems
Smoothing and filtering
Standard and switched mode power supplies
Energy storage in pulse systems
MARKING
The capacitors are marked (where possible) with the
following information:
Rated capacitance (in µF)
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
QUICK REFERENCE DATA
DESCRIPTION VALUE
Nominal case sizes
(Ø D x L in mm)
22 x 25
to 35 x 60
Rated capacitance range
(E6/E12 series), C
R
56 µF to 2200 µF
Tolerance on C
R
± 20 %
Rated voltage range, U
R
200 V, 250 V 400 V, 450 V
Category temperature range - 25 to + 85 °C
Endurance test at 85 °C 3000 hours
Load life at 85 °C 3000 hours
Useful life at 85 °C 5000 hours
Useful life at 40 °C,
1.4 x I
R
applied
90 000 hours
Shelf life at 0 V, 85 °C 1000 hours
Based on sectional
specification
IEC 60384-4/EN130300
Climatic category IEC 60038
25/085/56
157
PUM-SI
057
PSM-SI
159
PUL-SI
105 °C
smaller
dimensions
198
PHR-SI
longer life
higher ripple
Fig.1 Component outlines
RoHS
COMPLIANT
SELECTION CHART FOR C
R
, U
R
AND RELEVANT NOMINAL CASE SIZES (Ø D x L in mm)
C
R
(µF)
U
R
(V)
200 250 400 450
56---22x25
68 - - 22 x 25 22 x 30
82
- - 22 x 25 22 x 30
---25x25
100
- - 22 x 30 22 x 35
---25x30
120
- - 22 x 30 22 x 40
---25x30
---30x25