Aluminum electrolytic capacitor
K50-84

AZHYAR. 673541.013 TU

Capacitor is used for operation in direct current and ripple current circuits, secondary power sources and converter equipment. Capacitor is available in all-climate and temperate/cold climate version. Sealed; isolated.

It is recommended to use this capacitor type as substitution for capacitors K50-18, K50-32, K50-33A, K50-37 types.




Main parameters
NameValue
Rated voltage, V 16…100
Rated capacitance, µF 1 500…100 000
Temporary overvoltage within 10 sec., V 1.15 UR
Capacitance tolerance (25 °C, 50 Hz), % +30…-10; ±20
Maximum operating temperature Tenv, °C +100
Minimal operating temperature Tenv, °C -60



Temperate/cold climate version

All climate version

A - spacing between terminals

1 - Explosion-proof valve
2 - Isolation sleeve
3 - Lacquer coating
4 - screw BM5-6gx8.36.019 GOST 17473
5 - washer 5.65G.019 GOST 6402
D, mm A, mm
35 12.5±0.15
50 22.5±0.15
65 28.5±0.15



Capacitors overall dimensions and mass
UR, V 16 25 40 63 100
CR, µF DxH, mm
mass, g
1 500 35x55
80
3 300 35x105
135
4 700 50x80
300
10 000 50x80
300
65x80
450
15 000 65x80
450
65x105
600
22 000 35x105
135
50x80
300
65x105
600
33 000 35x105
135
50x80
300
65x80
450
47 000 50x80
300
65x80
450
65x105
600
68 000 65x80
450
65x105
600
100 000 65x105
600



Capacitors reliability
Reliability
Operation modes
Minimal nonfailure operating time, tλ, hours Capacitor failure rate, λ, 1/hour, max
Maximum-permissible mode (UR, Tenv=85 °С) 10 000 10-5
Maximum-permissible mode (0.6UR, Tenv=100 °С) 5 000 2 x 10-5
Light mode (0.6UR, Tenv=60 °С) 100 000 5 x 10-7
Light mode (0.6UR, Tenv=40 °С) 200 000 5 x 10-8
Storageability
Gamma-rated time of capacitor storageability Tcy at y=95%, years, min
25



Capacitor electric parameters value when delivered
UR, V CR, µF tg δ, %, 25 °C, 50 Hz, max ILEAK, µA, 25 °C, after 5 min., max Z, Ohm, 25 °C, 20kHz, max ESR, Ohm, 25 °C, 100Hz, max IR, А, 85 °C, 50 Hz, max
16 33 000 25 2 398 0.043 0.017 14.0
47 000 2 862 0.041 0.015 16.7
68 000 3 442 0.039 0.013 21.0
100 000 4 174 0.038 0.010 27.7
25 22 000 2 447 0.039 0.028 9.5
33 000 2 997 0.038 0.026 12.6
47 000 3 577 0.027 0.020 16.0
68 000 4 303 0.026 0.017 21.4
40 22 000 20 3 096 0.036 0.015 12.9
33 000 3 791 0.034 0.013 17.3
47 000 4 525 0.028 0.010 23.9
63 10 000 15 2 619 0.038 0.018 13.2
15 000 3 208 0.032 0.015 16.0
22 000 3 885 0.029 0.012 19.6
100 1 500 1 278 0.110 0.083 5.6
3 300 1 896 0.059 0.037 9.0
4 700 2 263 0.056 0.029 10.2
10 000 3 300 0.045 0.018 15.0
15 000 4 042 0.036 0.016 19.6


Ripple current effective value
versus temperature and frequency can be found from the formula IRO = IR x KT x KF, where

IR- allowable ripple current at 85 °C, 50 Hz (See Table "Capacitor electric parameters")

KT - IR correction factor versus temperature
Tenv, °C 25 40 50 60 70 85 100
KT 1.75 1.70 1.65 1.52 1.33 1.00 0.60



KF - IR correction factor versus frequency
F, Hz 50 100 200 300 400 500 1 000 ≥2 000
KF 1 1.25 1.4 1.48 1.51 1.54 1.58 1.6



Voltage versus temperature
  UT  
UR

T, °C



Example of reference designation for ordering:

CAPACITOR K50-84 - 16V - 33000µF ±20% I AZHYAR.673541.013 TU

CAPACITOR K50-84 - 16V - 33000µF (±20)% I B AZHYAR.673541.013 TU