Home / EPCOS / B41231 High ripple current capability · Useful life of 2000h at 85°C
The EPCOS B41231 series is a Snap-in capacitor family covering 1,200–68,000 µF, across 10–100 V ratings, with 2,000 h rated life at 85 °C. PNkit catalogs 184 part numbers in this series.
Voltage 10 – 100 V
Capacitance 1200 – 68000 µF
Temp 85°C
Life 2,000 h 10 V 24 parts Capacitance Size (mm) Ripple (A) ESR (mΩ) MPN 12,000 µF 22×25 mm 3.31 — B41231A3129M060 15,000 µF 22×30 mm 3.82 — B41231A3159M060 15,000 µF 25.4×25 mm 3.39 — B41231B3159M060 18,000 µF 22×35 mm 4.28 — B41231A3189M060 18,000 µF 25.4×25 mm 4.17 — B41231B3189M060 22,000 µF 22×40 mm 4.79 — B41231A3229M060 22,000 µF 25.4×30 mm 4.71 — B41231B3229M060 22,000 µF 30×25 mm 4.83 — B41231C3229M060 27,000 µF 22×45 mm 5.3 — B41231A3279M060 27,000 µF 25.4×35 mm 5.26 — B41231B3279M060 27,000 µF 30×30 mm 5.41 — B41231C3279M060 33,000 µF 22×50 mm 5.82 — B41231A3339M060 33,000 µF 25.4×40 mm 5.81 — B41231B3339M060 33,000 µF 30×30 mm 5.69 — B41231C3339M060 33,000 µF 35×25 mm 5.81 — B41231D3339M060 39,000 µF 25.4×45 mm 6.31 — B41231A3399M060 39,000 µF 30×35 mm 6.22 — B41231B3399M060 39,000 µF 35×30 mm 6.38 — B41231C3399M060 47,000 µF 25.4×50 mm 6.83 — B41231A3479M060 47,000 µF 30×40 mm 6.78 — B41231B3479M060 47,000 µF 35×30 mm 6.62 — B41231C3479M060 56,000 µF 30×45 mm 7.31 — B41231A3569M060 56,000 µF 35×35 mm 7.18 — B41231B3569M060 68,000 µF 35×40 mm 7.76 — B41231A3689M060
16 V 23 parts Capacitance Size (mm) Ripple (A) ESR (mΩ) MPN 10,000 µF 22×25 mm 3.32 — B41231A4109M060 12,000 µF 22×30 mm 3.55 — B41231A4129M060 12,000 µF 25.4×25 mm 3.89 — B41231B4129M060 15,000 µF 22×35 mm 4.29 — B41231A4159M060 15,000 µF 25.4×30 mm 4.45 — B41231B4159M060 15,000 µF 30×25 mm 4.56 — B41231C4159M060 18,000 µF 22×40 mm 4.77 — B41231A4189M060 18,000 µF 25.4×35 mm 4.96 — B41231B4189M060 18,000 µF 30×30 mm 5.1 — B41231C4189M060 22,000 µF 22×50 mm 5.51 — B41231A4229M060 22,000 µF 25.4×40 mm 5.51 — B41231B4229M060 22,000 µF 30×30 mm 5.39 — B41231C4229M060 27,000 µF 25.4×45 mm 6.06 — B41231A4279M060 27,000 µF 30×35 mm 5.98 — B41231B4279M060 27,000 µF 35×25 mm 5.8 — B41231C4279M060 33,000 µF 30×40 mm 6.56 — B41231A4339M060 33,000 µF 35×30 mm 6.41 — B41231B4339M060 39,000 µF 30×45 mm 7.08 — B41231A4399M060 39,000 µF 35×35 mm 6.96 — B41231B4399M060 47,000 µF 30×50 mm 7.62 — B41231A4479M060 47,000 µF 35×40 mm 7.54 — B41231B4479M060 56,000 µF 35×45 mm 8.08 — B41231A4569M060 68,000 µF 35×50 mm 8.53 — B41231A4689M060
25 V 22 parts Capacitance Size (mm) Ripple (A) ESR (mΩ) MPN 5,600 µF 22×25 mm 2.65 — B41231A5568M060 6,800 µF 22×30 mm 3.06 — B41231A5688M060 6,800 µF 25.4×25 mm 3.15 — B41231B5688M060 8,200 µF 22×35 mm 3.45 — B41231A5828M060 8,200 µF 25.4×30 mm 3.57 — B41231B5828M060 10,000 µF 22×40 mm 3.95 — B41231A5109M060 10,000 µF 25.4×30 mm 3.89 — B41231B5109M060 12,000 µF 22×45 mm 4.41 — B41231A5129M060 12,000 µF 25.4×35 mm 4.37 — B41231B5129M060 12,000 µF 30×25 mm 3.99 — B41231C5129M060 15,000 µF 22×50 mm 4.94 — B41231A5159M060 15,000 µF 25.4×40 mm 4.94 — B41231B5159M060 15,000 µF 30×30 mm 4.5 — B41231C5159M060 18,000 µF 25.4×45 mm 5.45 — B41231A5189M060 18,000 µF 30×35 mm 5.1 — B41231B5189M060 22,000 µF 30×35 mm 5.38 — B41231A5229M060 22,000 µF 35×30 mm 5.51 — B41231B5229M060 27,000 µF 30×45 mm 6.22 — B41231A5279M060 27,000 µF 35×35 mm 6.12 — B41231B5279M060 33,000 µF 30×50 mm 6.82 — B41231A5339M060 33,000 µF 35×40 mm 6.74 — B41231B5339M060 39,000 µF 35×45 mm 7.35 — B41231A5399M060
35 V 21 parts Capacitance Size (mm) Ripple (A) ESR (mΩ) MPN 4,700 µF 22×30 mm 3.06 — B41231A7478M060 4,700 µF 25.4×25 mm 2.98 — B41231B7478M060 5,600 µF 22×35 mm 3.28 — B41231A7568M060 5,600 µF 25.4×30 mm 3.39 — B41231B7568M060 6,800 µF 22×40 mm 3.73 — B41231A7688M060 6,800 µF 25.4×30 mm 3.67 — B41231B7688M060 6,800 µF 30×25 mm 3.76 — B41231C7688M060 8,200 µF 22×45 mm 4.13 — B41231A7828M060 8,200 µF 25.4×35 mm 4.1 — B41231B7828M060 8,200 µF 30×30 mm 4.22 — B41231C7828M060 10,000 µF 22×50 mm 4.68 — B41231A7109M060 10,000 µF 25.4×40 mm 4.68 — B41231B7109M060 10,000 µF 30×30 mm 4.58 — B41231C7109M060 12,000 µF 25.4×45 mm 5.18 — B41231A7129M060 12,000 µF 30×35 mm 5.11 — B41231C7129M060 12,000 µF 35×30 mm 5.24 — B41231D7129M060 15,000 µF 30×40 mm 5.72 — B41231A7159M060 15,000 µF 35×35 mm 5.88 — B41231B7159M060 18,000 µF 30×45 mm 6.28 — B41231A7189M060 18,000 µF 35×40 mm 6.46 — B41231B7189M060 22,000 µF 35×45 mm 7.07 — B41231A7229M060
50 V 23 parts Capacitance Size (mm) Ripple (A) ESR (mΩ) MPN 3,300 µF 22×30 mm 2.97 — B41231A6338M060 3,300 µF 25.4×25 mm 3.06 — B41231B6338M060 4,700 µF 22×40 mm 3.83 — B41231A6478M060 4,700 µF 25.4×35 mm 3.98 — B41231B6478M060 4,700 µF 30×25 mm 3.86 — B41231C6478M060 4,700 µF 35×25 mm 4.19 — B41231D6478M060 5,600 µF 22×45 mm 4.26 — B41231A6568M060 5,600 µF 25.4×40 mm 4.44 — B41231B6568M060 5,600 µF 30×30 mm 4.35 — B41231C6568M060 5,600 µF 35×25 mm 4.44 — B41231D6568M060 6,800 µF 22×50 mm 4.77 — B41231A6688M060 6,800 µF 25.4×45 mm 4.76 — B41231B6688M060 6,800 µF 30×35 mm 4.92 — B41231C6688M060 6,800 µF 35×30 mm 5.04 — B41231D6688M060 8,200 µF 25.4×50 mm 5.43 — B41231A6828M060 8,200 µF 30×40 mm 5.38 — B41231B6828M060 8,200 µF 35×30 mm 5.26 — B41231C6828M060 10,000 µF 30×45 mm 6.07 — B41231A6109M060 10,000 µF 35×35 mm 5.97 — B41231B6109M060 12,000 µF 30×50 mm 6.62 — B41231A6129M060 12,000 µF 35×40 mm 6.55 — B41231B6129M060 15,000 µF 35×45 mm 7.2 — B41231A6159M060 18,000 µF 35×50 mm 7.74 — B41231A6189M060
63 V 26 parts Capacitance Size (mm) Ripple (A) ESR (mΩ) MPN 1,800 µF 22×25 mm 2.2 — B41231A8188M060 2,200 µF 22×30 mm 2.5 — B41231A8228M060 2,200 µF 25.4×25 mm 2.58 — B41231B8228M060 2,700 µF 22×35 mm 2.94 — B41231A8278M060 2,700 µF 25.4×30 mm 3.04 — B41231B8278M060 3,300 µF 22×35 mm 3.14 — B41231A8338M060 3,300 µF 25.4×30 mm 3.26 — B41231B8338M060 3,300 µF 30×25 mm 3.34 — B41231C8338M060 3,900 µF 22×40 mm 3.6 — B41231A8398M060 3,900 µF 25.4×35 mm 3.74 — B41231B8398M060 3,900 µF 30×30 mm 3.85 — B41231C8398M060 4,700 µF 22×50 mm 4.19 — B41231A8478M060 4,700 µF 25.4×40 mm 4.19 — B41231B8478M060 4,700 µF 30×35 mm 4.1 — B41231C8478M060 4,700 µF 35×30 mm 4.19 — B41231D8478M060 5,600 µF 25.4×45 mm 4.65 — B41231A8568M060 5,600 µF 30×35 mm 4.58 — B41231B8568M060 5,600 µF 35×30 mm 4.7 — B41231C8568M060 6,800 µF 25.4×50 mm 5.2 — B41231A8688M060 6,800 µF 30×40 mm 5.16 — B41231B8688M060 6,800 µF 35×30 mm 5.04 — B41231C8688M060 8,200 µF 30×45 mm 5.62 — B41231A8828M060 8,200 µF 35×35 mm 5.53 — B41231B8828M060 10,000 µF 30×50 mm 6.32 — B41231A8109M060 10,000 µF 35×40 mm 6.25 — B41231B8109M060 12,000 µF 35×45 mm 6.83 — B41231A8129M060
80 V 23 parts Capacitance Size (mm) Ripple (A) ESR (mΩ) MPN 1,200 µF 22×25 mm 2.24 — B41231A0128M060 1,500 µF 22×30 mm 2.67 — B41231A0158M060 1,800 µF 22×30 mm 2.92 — B41231A0188M060 1,800 µF 25.4×25 mm 3.01 — B41231B0188M060 2,200 µF 22×35 mm 3.25 — B41231A0228M060 2,200 µF 25.4×30 mm 3.36 — B41231B0228M060 2,200 µF 30×25 mm 3.45 — B41231C0228M060 2,700 µF 22×40 mm 3.79 — B41231A0278M060 2,700 µF 25.4×35 mm 3.94 — B41231B0278M060 2,700 µF 30×30 mm 4.05 — B41231C0278M060 3,300 µF 22×45 mm 4.18 — B41231A0338M060 3,300 µF 25.4×40 mm 4.36 — B41231B0338M060 3,300 µF 30×30 mm 4.27 — B41231C0338M060 3,900 µF 22×50 mm 4.75 — B41231A0398M060 3,900 µF 25.4×45 mm 4.96 — B41231B0398M060 3,900 µF 30×35 mm 4.89 — B41231C0398M060 4,700 µF 25.4×50 mm 5.44 — B41231A0478M060 4,700 µF 30×40 mm 5.39 — B41231B0478M060 4,700 µF 35×30 mm 5.27 — B41231C0478M060 5,600 µF 30×45 mm 5.91 — B41231A0568M060 5,600 µF 35×35 mm 5.81 — B41231B0568M060 6,800 µF 35×40 mm 5.46 — B41231A0688M060 8,200 µF 35×45 mm 6.91 — B41231A0828M060
100 V 22 parts Capacitance Size (mm) Ripple (A) ESR (mΩ) MPN 1,200 µF 22×30 mm 2.39 — B41231A9128M060 1,200 µF 25.4×25 mm 2.46 — B41231B9128M060 1,500 µF 22×35 mm 2.83 — B41231A9158M060 1,500 µF 25.4×30 mm 2.93 — B41231B9158M060 1,500 µF 30×25 mm 3 — B41231C9158M060 1,800 µF 22×40 mm 3.26 — B41231A9188M060 1,800 µF 25.4×35 mm 3.39 — B41231B9188M060 1,800 µF 30×30 mm 3.49 — B41231C9188M060 2,200 µF 22×45 mm 3.58 — B41231A9228M060 2,200 µF 25.4×40 mm 3.74 — B41231B9228M060 2,200 µF 30×30 mm 3.66 — B41231C9228M060 2,700 µF 25.4×45 mm 4.33 — B41231A9278M060 2,700 µF 30×35 mm 4.27 — B41231B9278M060 2,700 µF 35×30 mm 4.37 — B41231C9278M060 3,300 µF 25.4×50 mm 4.76 — B41231A9338M060 3,300 µF 30×40 mm 4.72 — B41231B9338M060 3,300 µF 35×35 mm 4.85 — B41231C9338M060 3,900 µF 30×45 mm 5.36 — B41231A9398M060 3,900 µF 35×35 mm 5.27 — B41231B9398M060 4,700 µF 30×50 mm 5.86 — B41231A9478M060 4,700 µF 35×40 mm 5.8 — B41231B9478M060 5,600 µF 35×45 mm 6.34 — B41231A9568M060