157 PUM-SI
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Vishay BCcomponents
Revision: 17-Oct-16
1
Document Number: 28338
For technical questions, contact: aluminumcaps2@vishay.com
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000
Aluminum Electrolytic Capacitors
Power Ultra Miniature Snap-In
Fig. 1
FEATURES
• Up to 500 V
• Useful life: 5000 h at 85 °C
• Polarized aluminum electrolytic capacitors,
non-solid electrolyte
• Large types, very small dimensions, cylindrical aluminum
case, insulated with a blue sleeve
• Keyed polarity version available
• Material categorization: for definitions of compliance
please see www.vishay.com/doc?99912
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 or in 2 digits according to IEC 60062)
• 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, last 8 digits 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
500 V
Category temperature range -25 °C to +85 °C
Endurance test at 85 °C 3000 h
Load life at 85 °C 3000 h
Useful life at 85 °C 5000 h
Useful life at 40 °C,
1.4 x I
R
applied
90 000 h
Shelf life at 0 V, 85 °C 1000 h
Max. RMS value of ripple voltage 12 V n/a
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
SELECTION CHART FOR C
R
, U
R
, AND RELEVANT NOMINAL CASE SIZES (Ø D x L in mm)
C
R
(μF)
U
R
(V)
200 250 400 450 500
47----22 x 25
56 - - - 22 x 25 -
68
- - 22 x 25 22 x 30 22 x 30
----25 x 25
82
- - 22 x 25 22 x 30 -
- - - 25 x 25 -
100
- - 22 x 30 22 x 35 22 x 35
- - - 25 x 30 25 x 30
----30 x 25