157 PUM-SI
Vishay BCcomponents
Aluminum Capacitors
Power Ultra Miniature Snap-In
FEATURES
• Polarized aluminum electrolytic capacitors,
non-solid electrolyte
RoHS
• Large types, very small dimensions, cylindrical
aluminum case, insulated with a blue sleeve
COMPLIANT
• Useful life: 5000 hours at 85 °C
• Keyed polarity version available
Fig.1 Component outlines
APPLICATIONS
159
PUL-SI
• General purpose, industrial and audio/video systems
• Smoothing and filtering
105 °C
• Standard and switched mode power supplies
• Energy storage in pulse systems
057
PSM-SI
smaller
dimensions
longer life
higher ripple
198
PHR-SI
157
PUM-SI
MARKING
The capacitors are marked (where possible) with the
following information:
QUICK REFERENCE DATA
DESCRIPTION
VALUE
• Rated capacitance (in µF)
Nominal case sizes
(Ø D x L in mm)
22 x 25
to 35 x 60
• Tolerance on rated capacitance, code letter in accordance
with IEC 60062 (M for 20 %)
Rated capacitance range
(E6/E12 series), CR
56 µF to 2200 µF
20 %
• Rated voltage (in V)
• Date code (YYMM)
Tolerance on CR
Rated voltage range, UR
Category temperature range
Endurance test at 85 °C
Load life at 85 °C
200 V, 250 V
400 V, 450 V
• Name of manufacturer
• Code for factory of origin
- 25 to + 85 °C
3000 hours
3000 hours
5000 hours
• ‘-’ sign to identify the negative terminal, visible from the top
and side of the capacitor
Useful life at 85 °C
• Code number, all 12 or last 8 digits (2222) 157 xxxxx
• Climatic category in accordance with IEC 60068
Useful life at 40 °C,
1.4 x IR applied
90 000 hours
1000 hours
Shelf life at 0 V, 85 °C
Based on sectional
specification
IEC 60384-4/EN130300
25/085/56
Climatic category IEC 60038
SELECTION CHART FOR CR , UR AND RELEVANT NOMINAL CASE SIZES (Ø D x L in mm)
U
R (V)
CR
(µF)
200
250
400
450
56
68
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
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
22 x 25
22 x 25
82
-
22 x 30
100
-
22 x 30
120
-
-
Document Number: 28338
Revision: 18-Aug-08
For technical questions, contact: aluminumcaps2@vishay.com
www.vishay.com
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