Tantalum solid-electrolyte capacitor
K53-72

AZHYAR.673546.008 TU

Multi-sectional protected polar capacitors are designed for operation in direct current, ripple current and pulse current circuits. Capacitors are available in all-climate version.




Main parameters
NameValue
Rated voltage, V 2.5…32
Rated capacitance, µF 22…1 500
Capacitance tolerance (20 °C, 50 Hz), % ±20 - for rated value 2.5V x 1 000µF; 2.5V x 1 500µF; 4V x 1 000µF;
±10; ±20 - for other rated values
Maximum operating temperature Tenv, °C +125
Minimal operating temperature Tenv, °C -60
Temporary overvoltage within 10 sec., V 1.15 UR



Capacitors overall dimensions and mass

Case code L, mm W, mm H, mm Mass, g, max
E 7.3±0.3 4.3±0.3 4.1±0.3 0.7

Marking of capacitors

1 - Positive terminal (color stripe)
2 - Rated capacitance, pF
3 - Capacitance multiplier code
4 - Product code (only "72" is marked, stripe unavailability is acceptable)
5 - Month of manufacture code
6 - Year of manufacture code
7 - Rated voltage, V
8 - Trade mark

Marking codes designation

Code Year
K 2018
L 2019
M 2020
N 2021
P 2022
R 2023
S 2024
T 2025
U 2026
V 2027
W 2028
X 2029
Code Month Code Month
1 January 7 July
2 February 8 August
3 March 9 September
4 April O October
5 May N November
6 June D December
Capaci-tance multi-plier code Capaci-tance multi-plier
4 104
5 105
6 106
7 107
8 108



Capacitor electric parameters value when delivered
UR, V CR, µF tg δ, %, 20 °C, 50 Hz, max ILEAK, µA, 20 °C, after 5 min., max ESR*, mOhm, 20 °C, 100kHz, max IR, A, 20 °C, 100kHz, max
2.5 1 000 6 25 35 2.2
1 500 38
4 680 27
1 000 40
6.3 470 30
680 43
10 330 33 40 2.1
470 47
16 150 24 45 2.0
220 35
20 68 14 55 1.7
100 20
25 33 8.5 75 1.5
47 12 70 1.6
32 22 7.5 95 1.3

* - ESR is allowed to increase by up to 1.25 times after mounting




Capacitors reliability
Reliability
Operation modes
Minimal nonfailure operating time, tλ, hours Capacitor failure rate, λ, 1/hour, max
Maximum-permissible mode
(0.7UR, Tenv=125°С)
25 000 10-6
Maximum-permissible mode
(UR, Tenv=85°С)
Light mode
(0.6UR, Tenv=55°С)
150 000 10-8
Light mode
(0.5UR, Tenv=45°С)
300 000 10-9
Storageability
Gamma-rated time of capacitor storageability Tcy at y=99.5%, years, min
25



Voltage versus temperature
  UT  
UR
T, °C



Example of reference designation for ordering:

CAPACITOR K53-72 "E" - 25V - 33µF ±20% AZHYAR.673546.008 TU