Datasheet

ManualsBrandsRND Components ManualsCapacitorsRadial Super Capacitor, 8F, 2.7V

Radial Super Capacitor

RND is a trademark of Distrelec

Rated discharge capacity(F 25℃) ΔV＝1.5V-1.25V

8 F

Rated Voltage 2.7 V

Operating Temperature Min.

-40 °C

Operating Temperature Max. 70 °C

Maximum equivalent series resistance ESR (1KHz)

50 mΩ

Capacity tolerance

0 ... 30 %

Performance index

Temperature characteristics

+70℃︱△C/C︱≤30%, ESR ≤ specified value(25℃)

-40℃︱△

C/C︱≤50%, ESR ≤ 4 times initial value ( 25℃)

High temperature without load

Humidity Resistance

Cycle life Expectancy

After nominal voltage, 500,000 times charge-discharge circle

△C/C︱≤30%, ESR ≤4 times initial value(25℃)

High temperature load

+70℃ charging nominal voltage after 1000h,︱△C/C︱

≤30%，

4 times the specified value

+70

℃，

fter 1000±4h，︱△

C/C︱

≤30%,

ESR≤2 times the specified value

+40℃, 90--95%RH，240h,︱△C/C︱≤30% ,IL≤2, times of

specified value,ESR≤4 times of specified value

Application

The products using as a back-up source can be applied in the field of electronic devices

such as RAM, intelligent instrument, motor drive, clock circuit and toys

Standard test conditions:

Test should be done at a condition of standard atmospheric press, 5~35℃, temperature and a relative humidity of less than 85%;

the test situation adopted by this specification is standard atmospheric, 25℃ and relative humidity less than 60%

Product structure

The product, using electrolyte and separator to separate the electrodes that made by activated carbon and sealed the Aluminum

case by rubber plug is base on the principal of electric double layer capacitors. The leads are at the same side of the products.

General specification

PART NUMBER

Example: RND 150HP-2R7-J805VYJ09

RND 150HP

2R7

805

Series

Rated Voltage

Type

Capacitance Tolerance

Terminal

Shape

Internal Code

104 = 0.1 F

224 = 0.22 F

334 = 0.33 F

474 = 0.47 F

105 = 1F

155 = 1.5 F

205 = 2F

335 = 3.3 F

805 = 8 F

2R7 = 2.7 V

5R5 = 5.5 V

J = Radial

D = Coin

V = 0%-30%

U = -10%-20%

T = ±20%

Y = Leaded

N = Bolt Type

L = Stud Type

H = Horizontal

V = Vertical

C(J) = Cylindrical

Summary of content (7 pages)

PAGE 1
Radial Super Capacitor Application The products using as a back-up source can be applied in the field of electronic devices such as RAM, intelligent instrument, motor drive, clock circuit and toys PART NUMBER Example: RND 150HP-2R7-J805VYJ09 RND 150HP Series 2R7 Rated Voltage 2R7 = 2.7 V 5R5 = 5.5 V J 805 V Type Capacitance 104 = 0.1 F 224 = 0.22 F 334 = 0.33 F 474 = 0.47 F 105 = 1F 155 = 1.5 F 205 = 2F 335 = 3.
PAGE 2
Radial Super Capacitor Drawing Size (mm ΦD×L) 12.5×21 mm Lead spacing (mm F) 5.0±0.5 mm Lead diameter (mm Φd) 0.6±0.05 mm Performance testing method 1) According to standard QC/T 741-2014 - Vehicle super capacitor DL/T 1652-2016 - Technical specifications for supercapacitors for electric energy metering 2) Test method capacitance 1. Constant current discharge method 2. Measuring circuit Constant current discharge device d.c. ammeter d.c.
PAGE 3
Radial Super Capacitor Measuring method a) Setting the direct current voltage of constant current/constant voltage power supply as rated voltage (UR) b) Setting the constant current value of the constant current discharge device , according to Table 2 specified c) Turn the switch S to the d.c.
PAGE 4
Radial Super Capacitor Discharge conditions Table 1 – Discharge conditions Classification HT、HV、X SE、HE Energy storage SP、 MK LR、 HP、 HEV、 LEV Power Instantaneous power Application Memory backup Charge time 30min 30min 30min 30min I（mA） 1×C 0.4×CUR 4×CUR 40×CUR U1 The value to be 80 % of the charging voltage (0.8×UR) U2 The value to be 40 % of the charging voltage (0.4×UR) NOTE C is the rated capacitance in F (Farad), and UR is the rated voltage in V (Volt).
PAGE 5
Radial Super Capacitor Figure 4–Circuit for a.c. resistance method Measuring method The internal resistance Ra of a capacitor shall be calculated by the following formula: Ra is the a.c. internal resistance (Ω) U is the effective value of a.c. voltage (V r.m.s.) I is the effective value of a.c. current (V r.m.s.) The frequency of the measuring voltage shall be 1 kHz The a.c.
PAGE 6
Voltage（V） Radial Super Capacitor Time（s） From discharge voltage drop does not represent the starting point of continuous voltage landing Δ U4, but from straight line part of the curve as the auxiliary line extended to the starting point and discharge cross get Δ U4. Figure 5 –the terminal voltage feature of capacitor Equipment: test equipment with the capacity.
PAGE 7
voltage（） Radial Super Capacitor Figure 7 − Self-discharge test diagram B、equipment ：multimeter Precautions for use 1. The supercapacitors have fixed polarity. 2. The supercapacitors should be used under the condition of nominal voltage. 3. Using in high frequency charge & discharge circuit is strictly forbidden. 4. The ambient temperature will have influence on the lifetime of supercapacitors 5. A voltage drop will appear at the moment of discharge: ΔV=IR 6.