LEADEMC ELECTRONICS CO., LTD.
Metal Oxide Varistors
www.leademc.com 1 / 7
14D820K(J)
FEATURES
Wide operating voltage (V1mA) range
Fas t res po ndi n g to tr a ns ie nt ov er -voltage
Large absorbing transient energy capability
Low cl a mp ing r ati o an d no f o llo w -on current
Meets MSL level 1, per J-STD-020
Operating Temperature:-40℃~+85℃
Storage Temperature:-40℃~+125℃
APPLICABLE STANDARDS
IEC61051-1, -2, -2-2, IEC60950-1 Annex Q
GB/T10193, GB/T10194, GB4943.1, GB8898
IEC61000-4-5
APPLICATIONS
Transistor, diode, IC, thyristor or triac s em ic ond uctor prot ec t io n
Surge protection in consumer electronics
Surge protection in industrial electronics
Surg e pr o tec t i o n in elec tr o nic ho me appli a nc es , gas an d pet ro le um applianc es
Relay and electromagnetic valve surge absorption
MARKING CODE
Item
Description
ARJ LOGO
xxD
Nominal Case Diameter:
05D = Ø5mm; 07D = Ø7mm; 10D = Ø10mm; 14D = Ø14mm; 20D = Ø20mm；25D = Ø25mm.
xxx
Nominal Varistor Voltage: Expressed in volts. The first two digits are significant figures, and the third digit
indicates the number of zeroes following these figures (e.g. 270 = 27V; 271 = 270V).
K Varistor Voltage Tolerance: K = ±10%
CA01PL Product Line Code
ARJ
xxDxxxK
CA01PL
LEADEMC ELECTRONICS CO., LTD.
Metal Oxide Varistors
www.leademc.com 2 / 7
14D820K(J)
DIMENSIONS
DIM
Millimeters DIM Millimeters
H (max.)
20 F ( ±0. 8) 7.5
H1 (max.)
21 T 2.64-3.81
L (min.) 20
d ( ±0. 05) 0.8
L1 ( m in .)
15
d1 ( ±0. 4)
1.4
D (max.) 16.5
ELECTRICAL CHARACTERISTICS
Parameter Conditions Value
Units
M a x imum Allowa ble Voltage @50Hz @ 50Hz 50 V
M a x imum Allowa ble Voltage@DC @DC 65 V
Varistor Volta ge @V1mA 82(74-90)
V
Maximum DC Leakage Current @ 80% of Var istor Volta ge 24
μA
Nonlinear Exponent (α) ≥21
Typical Cla m pin g Voltage / Test Curren t
Test Current Wa veform 8/20μs
135V@50A
Typical Cla m pin g Voltage / Test Curren t(@10000A) @ 10% × Ipp 197 V
Withstanding Surge Current
（Standard） Test Current Wa veform 8/20μs
4500 A
Withstanding Surge Current（High Surge） Test Current Wa veform 8/20μs
6000 A
Maximum Energy（Standard） Test Current Wa veform 10/1000μs
22 J
Maximum Energy（High Surge） Test Current Wa veform 10/1000μs
27 J
Rated Power @M a x imum Allowa ble AC/DC Voltage 0.6 W
Typical Capacitance (Refer ence) @1KHz 2400 pf
Impulse Li fe Test Current Waveform 8/20μs
≤10%(V1mA)
Tempera tu re Coefficien t of Va ristor Voltage
≤±0.05%/℃
Operating Tempera tu re Range
-40℃-85℃
St orage Temperature R ange
-40℃-125℃
14D820K(J)