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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 RoHS COMPLIANT • Useful life: 5000 hours at 85 °C • Keyed polarity version available Fig.
157 PUM-SI Aluminum Capacitors Power Ultra Miniature Snap-In Vishay BCcomponents SELECTION CHART FOR CR , UR AND RELEVANT NOMINAL CASE SIZES (Ø D x L in mm) UR (V) CR (µF) 150 180 220 270 330 390 470 560 680 820 1000 1200 1500 1800 2200 200 250 22 x 25 22 x 30 22 x 30 22 x 35 25 x 30 22 x 40 25 x 35 30 x 25 25 x 40 30 x 30 35 x 25 25 x 45 30 x 35 35 x 30 30 x 40 35 x 30 30 x 45 35 x 35 30 x 50 35 x 40 35 x 45 35 x 50 22 x 30 22 x 30 25 x 25 22 x 35 25 x 30 22 x 40 30 x 25 25 x 35 30 x 30 25 x
157 PUM-SI Aluminum Capacitors Power Ultra Miniature Snap-In Vishay BCcomponents THREE TERMINAL SNAP-IN Ø 2 ± 0.1 (2 x ) Ø 2.5 ± 0.1 ØD + TERMINAL L L + 2 max. - TERMINAL minus pole marking 10 ± 0.1 3.3 ± 0.1 4 ± 0.5 Bottom view 4.75 ± 0.1 The negative terminal has TWO pins which are BOTH electrically connected. The 10 mm spacing of the 2 pin snap-in is used as the base layout and a third hole is added.
157 PUM-SI Aluminum Capacitors Power Ultra Miniature Snap-In Vishay BCcomponents ORDERING EXAMPLE ELECTRICAL DATA SYMBOL Electrolytic capacitor 157 series 1000 µF/200 V; ± 20 % Nominal case size: Ø 30 x 40 mm DESCRIPTION CR rated capacitance at 100/120 Hz IR rated RMS ripple current at 120 Hz, 85 °C IL5 max. leakage current after 5 minutes at UR ESR typ./max. equivalent series resistance at 100 Hz (1) Z typ./max.
157 PUM-SI Aluminum Capacitors Power Ultra Miniature Snap-In Vishay BCcomponents ELECTRICAL DATA AND ORDERING INFORMATION UR (V) 250 400 ORDERING CODE MAL2157....... CR 100 Hz (µF) NOMINAL CASE SIZE ØDxL (mm) IR 120 Hz 85 °C (A) IL5 5 min (mA) TYP. ESR 100 Hz (1) (MΩ) MAX. ESR 100 Hz (1) (MΩ) TYP. Z 10 kHz (MΩ) MAX. Z 10 kHz (MΩ) 2-TERM. 3-TERM. 390 22 x 40 1.74 0.97 330 610 250 425 43391E3 23391E3 390 30 x 25 1.58 0.97 330 610 250 425 53391E3 73391E3 470 25 x 35 1.
157 PUM-SI Aluminum Capacitors Power Ultra Miniature Snap-In Vishay BCcomponents ELECTRICAL DATA AND ORDERING INFORMATION UR (V) NOMINAL CASE SIZE ØDxL (mm) IR 120 Hz 85 °C (A) IL5 5 min (mA) TYP. ESR 100 Hz (1) (MΩ) MAX. ESR 100 Hz (1) (MΩ) 56 22 x 25 0.68 0.25 1650 68 22 x 30 0.80 0.30 82 22 x 30 0.87 0.36 CR 100 Hz (µF) 450 ORDERING CODE MAL2157....... TYP. Z 10 kHz (MΩ) MAX. Z 10 kHz (MΩ) 2-TERM. 3-TERM.
157 PUM-SI Aluminum Capacitors Power Ultra Miniature Snap-In Vishay BCcomponents RIPPLE CURRENT AND USEFUL LIFE MGA453 2.4 2.3 IA IR 2.2 2.1 2.0 1.9 1.8 1.7 1 life multiplier 2 1. 1.6 5 1. 2 1.5 5 2. 3 1.4 4 5 1.3 8 10 1.2 15 1.1 20 0.8 60 0.5 0.0 40 (1) 30 1.0 45 IA = actual ripple current at 120 Hz IR = rated ripple current at 120 Hz and 85 °C (1) Useful life at 85 °C and I applied: 5000 hours R 50 60 70 80 Tamb (°C) 90 Fig.
157 PUM-SI Vishay BCcomponents Aluminum Capacitors Power Ultra Miniature Snap-In Table 4 TEST PROCEDURES AND REQUIREMENTS TEST NAME OF TEST Endurance REFERENCE IEC 60384-4/ EN130300 subclause 4.13 PROCEDURE (quick reference) Tamb = 85 °C; UR applied; 3000 hours REQUIREMENTS ΔC/C: ± 10 % ESR ≤ 2 x spec. limit IL5 ≤ spec. limit Tamb = 85 °C; UR and IR applied; 3000 hours Load life ΔC/C: ± 20 % ESR ≤ 2 x spec. limit IL5 ≤ spec. limit Useful life CECC 30301 subclause 1.8.
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