K50-80

Aluminum electrolytic capacitor

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+7 (34147) 2-99-89

AZHYAR. 673541.009 TU

Low impedance capacitors with screw terminals. 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.

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Main parameters

Name	Value
Rated voltage, V	16…160
Rated capacitance, µF	680…22 000
Temporary overvoltage within 10 sec., V	1.15 UR
Capacitance tolerance (25 °C, 50 Hz), %	+30…-10
Maximum operating temperature Tenv, °C	+100
Minimal operating temperature Tenv, °C	-60

Temperate/cold climate version

All climate version

Spacing between terminals is 12.5±0.15 mm

1 – Insulating cover
2 – Explosion proof valve
3 – Paintwork
4 – Screw BM5-6g
5 – Washer 5.65

Capacitors overall dimensions and mass

UR, V	16	25	40	63	100	160
CR, µF	DxH, mm mass, g
680						35x55 75
1 000						35x80 110
2 200				35x55 75	35x80 110
3 300				35x80 110
4 700			35x55 75	35x80 110
6 800		35x55 75	35x80 110
10 000	35x55 75	35x80 110	35x80 110
15 000	35x80 110
22 000	35x80 110

Capacitor electric parameters value when delivered

CR, µF	UR, V	tg δ, %, 25 °C, 50 Hz, max	ILEAK, µA, 25°C, after 5 min., max	Z, Ohm, 25°C, 100kHz, max	ESR, Ohm, 25°C, 100kHz, max	IR, А, 85°C, 50 Hz, max
16	10 000	25	1 320	0.03	0.038	9.6
	15 000		1 617	0.025	0.026	12.8
	22 000		1 958	0.018	0.021	13.6
25	6 800		1 360	0.027	0.032	10.4
25	10 000		1 650	0.021	0.028	12
40	4 700	20	1 431	0.028	0.033	11.2
	6 800		1 721	0.022	0.028	12.8
	10 000		2 087	0.017	0.027	15.2
63	2 200	15	1 230	0.03	0.06	7.5
	3 300		1 505	0.024	0.039	11.2
	4 700		1 796	0.02	0.031	13.6
100	2 200		1 548	0.03	0.057	9.6
160	680	10	1 089	0.048	0.092	1.9
160	1 000	10	1 320	0.052	0.084	2.2

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	40	50	60	70	85	100
KT	1.7	1.65	1.6	1.3	1	0.5

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

Capacitors reliability

Reliability Operation modes	Minimal nonfailure operating time, t_λ, hours	Capacitor failure rate, λ, 1/hour, max
Maximum-permissible mode (UR, Tenv=85 °С)	10 000	10^-6
Maximum-permissible mode (0.5UR, Tenv=100 °С)	10 000	10^-6
Light mode (0.6UR, Tenv=40 °С)	100 000	10^-7
Storageability Gamma-rated time of capacitor storageability Tcy at y=95%, years, min	25