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PDF AVRM14A2C270M Data sheet ( Hoja de datos )
| Número de pieza | AVRM14A2C270M | |
| Descripción | Varistors | |
| Fabricantes | TDK | |
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Varistors(SMD)
Countermeasure for Surge and Static Electricity
Conformity to RoHS Directive
AVR Series AVR-M, AVRL Types
Varistor (Variable resistor) is a nonlinear resistive element of the
voltage dependence that resistance changes with applied voltage.
Varistor is equivalent with Zener diode of two series connection.
Therefore, do not have polarity.
CURRENT vs. VOLTAGE CHARACTERISTICS
Positive direction
10–1
10–2
10–3
Zener diode
/Vz:6.8V
10–4
10–5
Chip varistor
/V1mA:12V
–18 –14 –10 –6 –2 2 6
–10–5
10 14 18
–10–4
–10–3 Negative direction
–10–2
–10–1
Voltage(V)
EQUIVALENT CIRCUIT
2 Zener Diodes
A capacitance content
THE EFFECT OF THE VARISTOR
WITHOUT VARISTOR
A malfunction and failure of electronic equipment
ESD, Surge voltage
WITH VARISTOR
Suppress abnormal voltage by inserting varistor in a circuit
ESD, Surge voltage
Power line
Signal line
IC ICPower line
Signal line
Insert a varistor between
a line and ground
: Chip varistor
• All specifications are subject to change without notice.
004-01 / 20071227 / e9c11_avr.fm
1 page  
(5/10)
AVRL TYPE
PRODUCT IDENTIFICATION
AVRL 10 1A 3R3 F T A
(1) (2) (3) (4) (5) (6) (7)
(1) Series name
(2) Dimensions L× W
10 1.0× 0.5mm
16 1.6× 0.8mm
(3) Maximum continuous voltage
1A 10Vdc
(4) Capacitance
1R1
3R3
6R8
1.1pF
3.3pF
6.8pF
(5) Capacitance tolerance
N ±0.3pF
F ±1pF
G ±2pF
(6) Packaging style
T
B
Taping
Bulk
(7) Varistor voltage and TDK internal code
SHAPES AND DIMENSIONS/RECOMMENDED PC BOARD PAT-
TERN
L
B
Type
1005
1608
L
1.0±0.05
1.6±0.1
W
0.5±0.05
0.8±0.1
T
0.5±0.05
0.8±0.1
Dimensions in mm
B min.
0.1
0.2
Weight
(mg)typ.
1.2
5
bab
Type
1005
1608
a
0.3 to 0.5
0.6 to 0.8
b
0.35 to 0.45
0.6 to 0.8
Dimensions in mm
c
0.4 to 0.6
0.6 to 0.8
ELECTRICAL CHARACTERISTICS
Part No.
1005 type
AVRL101A1R1N
AVRL101A1R1N
AVRL101C2R2D
AVRL101A3R3F
AVRL101A6R8G
1608 type
AVRL161A1R1N
AVRL161A1R1N
AVRL161A3R3F
AVRL161A6R8G
∗A
B
A
A
A
A
B
A
A
Capacitance
C(pF)
[1kHz, 1Vrms]
1.1[0.8 to 1.4]
1.1[0.8 to 1.4]
2.2[1.7 to 2.7]
3.3[2.3 to 4.3]
6.8[4.8 to 8.8]
1.1[0.8 to 1.4]
1.1[0.8 to 1.4]
3.3[2.3 to 4.3]
6.8[4.8 to 8.8]
∗ : Packaging style(T: Taping/B: Bulk)
Maximum continuous voltage
(Rated voltage)
Vdc(V)
Insulation resistance
Rdc(MΩ)
[3Vrms]
10 max.
10 max.
16 max.
10 max.
10 max.
10 min.
10 min.
10 min.
12 min.
13 min.
10 max.
10 max.
10 max.
10 max.
10 min.
10 min.
12 min.
13 min.
Varistor voltage
V1mA(V)[DC1mA]
Packaging quantities
(Taping)
(pieces/reel)
90 typ.
39 typ.
90 typ.
27 typ.
27 typ.
10,000
90 typ.
39 typ.
27 typ.
27 typ.
4,000
TERMINOLOGY
Item
Capacitance
Unit
C
(pF)
Maximum continuous Vdc
voltage (Rated voltage) (V)
Insulation resistance
Varistor voltage
(Breakdown voltage)
Rdc
(MΩ)
V1mA
(V)
Terminology
Capacitance measured at 1MHz of oscillator frequency and 1Vrms
of oscillator voltage.
Maximum DC voltage that can be applied continuously.
Varistor leakage current: 50µA max.
(Within the range of maximum allowable circuit voltage)
Insulation resistance appearing across the varistor when specified
voltage is applied.
Voltage measured across the varistor when DC1mA is applied.
• All specifications are subject to change without notice.
004-01 / 20071227 / e9c11_avr.fm
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| PDF Descargar | [ Datasheet AVRM14A2C270M.PDF ] | |
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