Home / Chemi-Con / U37X The U37X series is the longest life version of the U37grade series and is specifically designed to provide the ripple current capability and long life required for high reliability inverter applications. The U37X has an endurance rating of15,000 hours at 85C with the rated ripple current applied. The useful life can exceed175,000 hours at 40C and 2.1x the ripple current. These capacitors are available in a variety of high current English or Metric thread terminals. Mounting options include a three-footed clamp or bottom threaded stud. Custom designs are also available.
The Chemi-Con U37X series is a Screw capacitor family covering 1,200–18,000 µF, across 350, 400, 420, 450, 500 V ratings, with 15,000 h rated life at 85 °C. PNkit catalogs 100 part numbers in this series.
Voltage 350 – 500 V
Capacitance 1200 – 18000 µF
Temp 85°C
Life 15,000 h 350 V 20 parts Capacitance Size (mm) Ripple (A) ESR (mΩ) MPN 2,700 µF 63.5×92 mm 9.7 37 E37X351CPN272MD92U 2,700 µF 50×117 mm 9.6 35 E37X351HPN272MCB7U 3,300 µF 63.5×105 mm 11.1 31 E37X351CPN332MDA5U 3,300 µF 50×130 mm 10.6 31 E37X351HPN332MCD0U 3,900 µF 63.5×117 mm 12.4 26 E37X351CPN392MDB7U 3,900 µF 76.2×92 mm 12.7 26 E37X351CPN392ME92U 4,700 µF 63.5×130 mm 13.8 23 E37X351CPN472MDD0U 4,700 µF 63.5×143 mm 15.1 21 E37X351CPN472MDE3U 4,700 µF 76.2×105 mm 14.5 22 E37X351CPN472MEA5U 5,600 µF 76.2×117 mm 16.3 19 E37X351CPN562MEB7U 5,600 µF 89×92 mm 16.2 19 E37X351CPN562MF92U 6,800 µF 89×105 mm 18.5 16 E37X351CPN682MFA5U 8,200 µF 76.2×143 mm 19.8 15 E37X351CPN822MEE3U 8,200 µF 89×117 mm 20.7 14 E37X351CPN822MFB7U 10,000 µF 76.2×181 mm 25 11 E37X351CPN103MEJ1U 12,000 µF 76.2×219 mm 30.1 9 E37X351CPN123MEM9U 12,000 µF 89×143 mm 25.2 11 E37X351CPN123MFE3U 12,000 µF 89×155 mm 27.3 10 E37X351CPN123MFF5U 15,000 µF 89×190 mm 33.3 8 E37X351CPN153MFK0U 18,000 µF 89×219 mm 38.2 6 E37X351CPN183MFM9U
400 V 20 parts Capacitance Size (mm) Ripple (A) ESR (mΩ) MPN 2,700 µF 63.5×92 mm 9 43 E37X401CPN272MD92U 2,700 µF 63.5×105 mm 10.3 36 E37X401CPN272MDA5U 2,700 µF 50×117 mm 8.9 41 E37X401HPN272MCB7U 2,700 µF 50×130 mm 9.9 35 E37X401HPN272MCD0U 3,300 µF 63.5×117 mm 11.6 31 E37X401CPN332MDB7U 3,900 µF 63.5×130 mm 12.8 27 E37X401CPN392MDD0U 3,900 µF 63.5×143 mm 14.1 24 E37X401CPN392MDE3U 3,900 µF 76.2×92 mm 11.8 30 E37X401CPN392ME92U 4,700 µF 76.2×105 mm 13.5 25 E37X401CPN472MEA5U 5,600 µF 76.2×117 mm 15.2 22 E37X401CPN562MEB7U 5,600 µF 89×92 mm 15.1 22 E37X401CPN562MF92U 6,800 µF 76.2×143 mm 18.4 17 E37X401CPN682MEE3U 6,800 µF 89×105 mm 17.2 19 E37X401CPN682MFA5U 6,800 µF 89×117 mm 19.3 16 E37X401CPN682MFB7U 8,200 µF 76.2×181 mm 23.3 13 E37X401CPN822MEJ1U 10,000 µF 89×143 mm 23.4 12 E37X401CPN103MFE3U 10,000 µF 89×155 mm 25.4 11 E37X401CPN103MFF5U 12,000 µF 76.2×219 mm 28 10 E37X401CPN123MEM9U 12,000 µF 89×190 mm 31 9 E37X401CPN123MFK0U 15,000 µF 89×219 mm 35.6 7 E37X401CPN153MFM9U
420 V 20 parts Capacitance Size (mm) Ripple (A) ESR (mΩ) MPN 2,200 µF 63.5×92 mm 8.6 47 E37X421CPN222MD92U 2,200 µF 50×117 mm 8.5 44 E37X421HPN222MCB7U 2,700 µF 63.5×105 mm 9.8 39 E37X421CPN272MDA5U 2,700 µF 50×130 mm 9.4 39 E37X421HPN272MCD0U 3,300 µF 63.5×117 mm 11 33 E37X421CPN332MDB7U 3,300 µF 76.2×92 mm 11.3 33 E37X421CPN332ME92U 3,900 µF 63.5×130 mm 12.2 29 E37X421CPN392MDD0U 3,900 µF 63.5×143 mm 13.4 26 E37X421CPN392MDE3U 3,900 µF 76.2×105 mm 12.9 28 E37X421CPN392MEA5U 4,700 µF 76.2×117 mm 14.5 24 E37X421CPN472MEB7U 4,700 µF 89×92 mm 14.4 25 E37X421CPN472MF92U 5,600 µF 76.2×143 mm 17.6 19 E37X421CPN562MEE3U 5,600 µF 89×105 mm 16.4 21 E37X421CPN562MFA5U 6,800 µF 89×117 mm 18.4 18 E37X421CPN682MFB7U 8,200 µF 76.2×181 mm 22.2 14 E37X421CPN822MEJ1U 8,200 µF 89×143 mm 22.4 14 E37X421CPN822MFE3U 10,000 µF 76.2×219 mm 26.8 11 E37X421CPN103MEM9U 10,000 µF 89×155 mm 24.3 12 E37X421CPN103MFF5U 12,000 µF 89×190 mm 29.6 10 E37X421CPN123MFK0U 15,000 µF 89×219 mm 34 8 E37X421CPN153MFM9U
450 V 20 parts Capacitance Size (mm) Ripple (A) ESR (mΩ) MPN 1,800 µF 50×117 mm 8 51 E37X451HPN182MCB7U 2,200 µF 63.5×92 mm 8.1 53 E37X451CPN222MD92U 2,200 µF 63.5×105 mm 9.2 44 E37X451CPN222MDA5U 2,200 µF 50×130 mm 8.9 44 E37X451HPN222MCD0U 2,700 µF 63.5×117 mm 10.4 38 E37X451CPN272MDB7U 3,300 µF 63.5×130 mm 11.5 33 E37X451CPN332MDD0U 3,300 µF 76.2×92 mm 10.6 38 E37X451CPN332ME92U 3,900 µF 63.5×143 mm 12.6 30 E37X451CPN392MDE3U 3,900 µF 76.2×105 mm 12.1 32 E37X451CPN392MEA5U 3,900 µF 76.2×117 mm 13.6 27 E37X451CPN392MEB7U 3,900 µF 89×92 mm 13.5 28 E37X451CPN392MF92U 4,700 µF 89×105 mm 15.4 23 E37X451CPN472MFA5U 5,600 µF 76.2×143 mm 16.5 21 E37X451CPN562MEE3U 5,600 µF 89×117 mm 17.3 20 E37X451CPN562MFB7U 6,800 µF 76.2×181 mm 20.8 16 E37X451CPN682MEJ1U 8,200 µF 76.2×219 mm 25.1 13 E37X451CPN822MEM9U 8,200 µF 89×143 mm 21 16 E37X451CPN822MFE3U 8,200 µF 89×155 mm 22.8 14 E37X451CPN822MFF5U 10,000 µF 89×190 mm 27.8 11 E37X451CPN103MFK0U 12,000 µF 89×219 mm 32.2 9 E37X451CPN123MFM9U
500 V 20 parts Capacitance Size (mm) Ripple (A) ESR (mΩ) MPN 1,200 µF 50×117 mm 6.4 78 E37X501HPN122MCB7U 1,500 µF 63.5×92 mm 7.2 67 E37X501CPN152MD92U 1,500 µF 50×130 mm 7.2 68 E37X501HPN152MCD0U 1,800 µF 63.5×105 mm 8.2 56 E37X501CPN182MDA5U 2,200 µF 63.5×117 mm 9.3 48 E37X501CPN222MDB7U 2,200 µF 76.2×92 mm 9.5 48 E37X501CPN222ME92U 2,700 µF 63.5×130 mm 10.3 42 E37X501CPN272MDD0U 2,700 µF 63.5×143 mm 11.3 37 E37X501CPN272MDE3U 2,700 µF 76.2×105 mm 10.8 40 E37X501CPN272MEA5U 3,300 µF 76.2×117 mm 12.1 34 E37X501CPN332MEB7U 3,300 µF 89×92 mm 12.1 35 E37X501CPN332MF92U 3,900 µF 76.2×143 mm 14.8 26 E37X501CPN392MEE3U 3,900 µF 89×105 mm 13.8 29 E37X501CPN392MFA5U 4,700 µF 89×117 mm 15.5 25 E37X501CPN472MFB7U 5,600 µF 76.2×181 mm 18.6 20 E37X501CPN562MEJ1U 5,600 µF 89×143 mm 18.8 19 E37X501CPN562MFE3U 6,800 µF 76.2×219 mm 22.5 16 E37X501CPN682MEM9U 6,800 µF 89×155 mm 20.4 18 E37X501CPN682MFF5U 8,200 µF 89×190 mm 24.8 14 E37X501CPN822MFK0U 10,000 µF 89×219 mm 28.5 12 E37X501CPN103MFM9U