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3, Kalinin Str., Sarapul

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K50-77

Aluminum electrolytic capacitor

elecond-market@elcudm.ru
+7 (34147) 2-99-89
Конденсатор К50-77
AZHYAR.673541.007 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 (isolated and non-isolated) and temperate / cold climate version (isolated).
It is recommended to use this capacitor type as substitution for capacitors K50-37, K50-18 types.

Find out about delivery times, product costs or just ask a question

Find out about delivery times, product costs or just ask a question

Main parameters

NameValue
Rated voltage, V250…450
Rated capacitance, µF1 000…4 700
Temporary overvoltage within 10 sec., V1.15 UR (UR = 250)
1.1 UR (UR > 250)
Capacitance tolerance (25 °C, 50 Hz), %+50…-10;  ±20
Maximum operating temperature Tenv, °C+85
Minimal operating temperature Tenv, °C-40

Capasitor physical configuration

Variant A
Temperate/cold climate
version (Isolated)
All climate version
(Nonisolated)
All climate version
(Isolated)
Variant B
Temperate/cold climate
version (Isolated)
1 – Isolation sleeve
2 – Explosion-proof valve
3 – Connecting strip for discharge
4 – Lacquer coating
5 – Screw BM5-6g
6 – Washer 5.65

Overall and fitting dimensions of a capacitor clamp

Capacitor ratings

UR, V250400450
CR, µF
1 000
1 500
2 200
3 300
4 700

Capacitors overall dimensions and mass

UR, VCR, µFD, mmH, mmA±0.15, mmMass, g, max
2504 7006514028.5800
4001 000657028.5380
4001 5006510528.5600
4002 2006510528.5600
4003 3006510528.5600
4501 5006510528.5600

Capacitors reliability

Reliability
Operation modes
Minimal nonfailure operating time, tλ, hoursCapacitor failure rate, λ, 1/hour, max
Maximum-permissible mode (UR, T=85 °С)12 0005x10-5
Light mode (0.5UR, Tenv=50 °С)150 0003x10-7
Storageability
Gamma-rated time of capacitor storageability Tcy at y=95%, years, min
20

Capacitor electric parameters

UR, VCR, µFtg δ, %, 25°C, 50 Hz, maxILEAK, µA, 25°C, after 5 min., maxESR, Ohm, 25°C, 100Hz, maxZ, Ohm, 25°C, 10kHz, maxIR, А, 85°C, 50 Hz, max
2504 700105 2030.040.118.8
4001 000102 4660.110.163.7
4001 500103 0210.090.114.8
4002 200103 6580.050.076.65
4003 300105 5140.040.0458.8
4501 500103 2040.070.156
Ripple current effective value depending on temperature and frequency can be found from the formula:
I = IR × KT × KF,
where IR –  allowable ripple current at the temperature 85°C and frequency 50 Hz (See Table “Capacitor electric parameters”)

KT - IR correction factor versus temperature

Tenv, °C254050607085
KT1.551.441.361.251.121.0

KF - IR correction factor versus frequency

F, Hz501002003004005001 000≥2 000
KF11.251.341.381.411.431.481.52

Example of reference designation for ordering

CAPACITOR K50-77a – 250V – 4700µF ±20% B AZHYAR.673541.007 TU
CAPACITOR K50-77a – 250V – 4700µF ±20% I B AZHYAR.673541.007 TU
CAPACITOR K50-77b – 250V – 4700µF ±20% I AZHYAR.673541.007 TU

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Leading manufacturer of capacitors in Russia
3, Kalinin Str., Sarapul, Udmurt Republic, Russia, 427968
TIN 1827003592
OGRN 1021800993752
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