SVR112D20A.pdf 데이터시트 (총 7 페이지) - 파일 다운로드 SVR112D20A 데이타시트 다운로드

No Preview Available !

Microtech (Hong Kong) Limited
Tel: 852 2799 4649 Fax: 852 2121 8310 Email: sales@microtech-hk.com
SPECIFICATION
Metal Oxide Varistors SVR®
REV. DATE
REV. NO.
0
1. Scope
This Specification is applied for Metal Oxide Varistors which provide reliable and economical
protection against high voltage transients and surges which may be priduced, for example
by lighting, switching or electrical noise on AC or DC power lines.
2. Explanation of Part Numbers(Typical example)
SVR 5 6 1 D 20 A
-
S 25
Common code
Hiel Varistor
Element type
Disk -Type
Varistor Voltage
The first two digits are significant
figures, the third one denotes
the number of Zeros following
Disk dia.
05 φ 05mm
07 φ 07mm
10 φ 10mm
14 φ 14mm
20 φ 20mm
Series
U U-Series
- S-Series
Lead length
25 25mm
10 10mm
Suffix
A High Voltage
B Low Voltage
Formig Type
S Straight
O Out - Kink
I IN - Kink
3. Operating Temperature Range: -40℃ ~ +85℃
4. Application Notes for UL and CSA Recognized Components
4.1 Related Standards
Standards
File No.
Title
UL1449
UL1414
E162771
E188093
CSA(Class 2221 01) LR103860-1
Component
- Transient Voltage Surge Suppressors.
Component
- Across-the-line capacitors, antenna-coupling
and line-by-pass components.
Accessories and Patrs for Electronic Products
- Metal oxide varistors for across-the-line use
on 120Vac norminal systems.
P.1 of 7

No Preview Available !

Microtech (Hong Kong) Limited
Tel: 852 2799 4649 Fax: 852 2121 8310 Email: sales@microtech-hk.com
SPECIFICATION
Metal Oxide Varistors SVR®
REV. DATE
REV. NO.
0
5. Shape and Dimensions
- Bulk Type(Straight)
Dimensions
D max.
T max.
L min.
F
Φd
Specifications
24.0
10.0
25.0
10.0 ± 1.0
0.8 ± 0.05
6. Marking and Illustration
SVR
Hiel Varistor
561
V1mA = 560 V
D Disk - Type
20 Disk size = 20 mm
UL Mark
CSA Mark
P.2 of 7

No Preview Available !

Microtech (Hong Kong) Limited
Tel: 852 2799 4649 Fax: 852 2121 8310 Email: sales@microtech-hk.com
SPECIFICATION
Metal Oxide Varistors SVR®
REV. DATE
REV. NO.
0
7. Electrical characteristics
Φ20 Series
Model No.
Varistor
Voltage
Max.
Continuous
1mA(V)
Voltage(V)
Max.
Clamping
Voltage(V)
Power Energy Peak Current
dissipation (10/1000㎲) (8/20㎲)
Min VN(DC) Max. Vm(ac) Vm(dc) Vc(V) Ip(A) Ptam(W)
Wtm(J)
Itm(A)
SVR820D20A 74 82 90 50 65 135 100 1.0 27 6,500
SVR101D20A 90 100 110 60 85 165 100 1.0 30 6,500
SVR121D20A 108 120 132 75 100 200 100 1.0 40 6,500
SVR151D20A 135 150 165 95 125 250 100 1.0 50 6,500
SVR181D20A 162 180 198 115 150 300 100 1.0 60 6,500
SVR201D20A 180 200 220 130 170 340 100 1.0 70 6,500
SVR221D20A 198 220 242 140 180 360 100 1.0 75 6,500
SVR241D20A 216 240 264 150 200 395 100 1.0 80 6,500
SVR271D20A 243 270 297 175 225 455 100 1.0 90 6,500
SVR331D20A 297 330 363 210 275 550 100 1.0 105 6,500
SVR361D20A 324 360 396 230 300 595 100 1.0 120 6,500
SVR391D20A 351 390 429 250 320 650 100 1.0 130 6,500
SVR431D20A 387 430 473 275 350 710 100 1.0 140 6,500
SVR471D20A 423 470 517 300 385 775 100 1.0 150 6,500
SVR561D20A 504 560 616 350 455 925 100 1.0 150 6,500
SVR621D20A 558 620 682 385 505 1025 100 1.0 150 6,500
SVR681D20A 612 680 748 420 560 1120 100 1.0 160 6,500
SVR751D20A 675 750 825 460 615 1240 100 1.0 175 6,500
SVR781D20A 702 780 858 485 640 1290 100 1.0 180 6,500
SVR821D20A 738 820 902 510 670 1355 100 1.0 190 6,500
SVR911D20A 819 910 1001 550 745 1500 100 1.0 215 6,500
SVR102D20A 900 1000 1100 625 825 1650 100 1.0 230 6,500
SVR112D20A 990 1100 1210 680 895 1815 100 1.0 250 6,500
SVR182D20A ### 1800 1980 ### 1465 2970 100 1.0 400 6,500
P.3 of 7

No Preview Available !

Microtech (Hong Kong) Limited
Tel: 852 2799 4649 Fax: 852 2121 8310 Email: sales@microtech-hk.com
SPECIFICATION
Metal Oxide Varistors SVR®
REV. DATE
REV. NO.
0
8. Perfomance Characteristics
Term
Test method/Discription
Specifications
Standard Test Environmental conditions under which every measuring is done
Condition without doubt on the measuring results. Unless otherwise specified
temperature, relative humidity are 5 to 35℃, 45 to 85% RH
Varistor Voltage Voltage across the varistor measured at a specified pulsed dc
current, IN(dc)
The maximum sinusoidal rms voltage or maximum dc voltage
Rated Voltage
which may be applied.
DC Standby Current Varistor current measured at rated voltage, Vm(dc)
Peak voltage across the varistor measured under the conditions
of a specified peak pulse current and specified waveform(8/20㎲)
illustrated below.
-
Clamping Voltage
The specified
Value
Rated Power Maximum average power which may be dissipated due to a group
of the pulses occurring within a specified isolated time period.
The maximum energy which may be dissipated for a single
Pluse transient impulse of maximum rated current at a specified wave
shape(10/1000㎲), within the varistor voltage change of ±10%
The maximum current which may be applied for a single 8/20㎲
Peak Pulse Current
impulse, within the varistor voltage change of ±10%.
Temperature
Coefficient of Varistor
VN(dc) at 85℃ - VN(dc) at 25℃ 1
Ⅹ Ⅹ 100(%/℃)
VN(dc) at 25℃
60
-0.05%/℃ ~ 0
max.
P.4 of 7

No Preview Available !

Microtech (Hong Kong) Limited
Tel: 852 2799 4649 Fax: 852 2121 8310 Email: sales@microtech-hk.com
SPECIFICATION
Metal Oxide Varistors SVR®
REV. DATE
REV. NO.
0
Electrical Characteristics(Continued)
Term
Test method/Discription
Specifications
Capacitance
Withstanding
Voltage
Capacitance shall be measured at 1 kHz±10%, 1Vrms max.
The specified
(1MHz±10% below 100pF), 0V bias and 20±2℃.
Value
The specified voltage shall be applied between both terminals of the
specimen connected together and metal foil closely wrapped round
its body for 1 minute. Electrical breakdown shall be examined.
(Body insulation)
Classification
(Nominal Varistor Voltage)
V0.1mA, V1mA ≤330V
V0.1mA, V1mA >330V
Test Voltage
1000 Vrms
1500 Vrms
No
breakdown
The change of VN(dc) shall be measured after the impulse listed
Impulse Life(1) below is applied 10,000 times continuously with the interval ten
seconds at room temperature.
ΔVN(dc)/VN(dc)
20 Series SVR820D20A to SVR112D20A 250A(8/20㎲)
≤±10%
The change of VN(dc) shall be measured after the impulse listed
below is applied 100,000 times continuously with the interval
Impulse Life(2) ten seconds at room temperature.
ΔVN(dc)/VN(dc)
20 Series SVR820D20A to SVR112D20A 120A(8/20㎲)
≤±10%
P.5 of 7