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4A12P-506-500 PDF Datasheet ( 特性, スペック, ピン接続図 )

部品番号 4A12P-506-500
部品説明 Surge Line Protection Module
メーカ Bourns Electronic
ロゴ Bourns Electronic ロゴ 



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4A12P-506-500 Datasheet, 4A12P-506-500 PDF,ピン配置, 機能
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Features
I Overvoltage/lightning protection to ITU-T K.20
I Standard “off-the-shelf” design
I Typical application is secondary protection on telecom line cards
4A12P-506-500 - Surge Line Protection Module
Matched Pair of Resistors plus Thermal Fuse
Electrical Characteristics
Resistance Values (R1 = R2) ........................................................50
Resistance Tolerance ..................................................................±1 %
TCR ..................................................................................100 ppm/°C
Ratio Tolerance ........................................................................±0.5 %
Power Dissipation (per resistor) @ 25 % .......................................2 W
Temperature Range...................................................-40 ºC to +85 ºC
Physical Characteristics
Body Style .............................................Dual in line SMD - twin pack
Substrate Material ........................................................96 % Alumina
Lead Frame Material........................................Copper, solder coated
Flammability .....................................................Conforms to UL94V-0
Processability................Unit is only suitable for no-clean processing
Convection Reflow...................Unit will withstand 260 °, 20 seconds
Packaging ..................16 “ diameter reels, 44mm tape, 250 pcs./reel
Functional Characteristics
Lightning Surge Test ...........................................10 x 700 µSec, 1 KV
Power Induction ...................................................................300 Vrms
Power Contact .....................................................................220 Vrms
How To Order
4A 12 P - 506 - 500
Model
(4A = Surface Mount)
Number of Pins
Physical Configuration
Electrical Configuration
506 = Matched Pair of Resistors plus Thermal Fuse
Resistance Code
• 500 = 50
Reliable Electronic Solutions
Asia-Pacific: TEL +886- (0)2 25624117 • FAX +886- (0)2 25624116
Europe: TEL +41-41 7685555 • FAX +41-41 7685510
North America: TEL +1-909 781-5500 • FAX +1-909 781-5700
bourns.com
Product Dimensions
(312.2.8912)MAX.
12.70 14.59
(.500) (.575)
12 4
8 10 11
3.72
(.146)
10.16 ± .13
(.400 ± .005)
2.54 ± .13
(.100 ± .005)
5.08 ± .13
(.200 ± .005)
5.28 ± .013
(0.208 ± .005)
13.40 ± .25
(.527 ± .010)
2.54 ± .25
(.100 ± .010)
7.11 ± .25
(0.280 ± .010)
DIMENSIONS: MILLIMETERS
(INCHES)
Electrical Schematic
1 22
2 21
R1
4
R4
19
8
R2
15
R3
10 13
11 12
Specifications are subject to change without notice.
09/02
COPYRIGHT© 2002, BOURNS, INC. LITHO IN U.S.A. 09/02 e/L0211

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Surge Line Protection Module

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