參數(shù)資料
型號(hào): BT137-500D
英文描述: Thyristor Product Catalog
中文描述: 晶閘管產(chǎn)品目錄
文件頁(yè)數(shù): 190/224頁(yè)
文件大小: 2697K
代理商: BT137-500D
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AN1010
Application Notes
http://www.teccor.com
+1 972-580-7777
AN1010 - 2
2002 Teccor Electronics
Thyristor Product Catalog
Figure AN1010.2
120 V ac Triac/Diac Circuit
Figure AN1010.3 illustrates a circuit using a sidac (a simpler thy-
ristor) phase control network to ignite a 120 V ac fluorescent
lamp. As in the triac/diac circuit, the 5 μF ac capacitor is charged
and added to the peak line voltage, developing greater than
200 V peak or 400 V peak to peak. Since the sidac is a voltage
breakover (V
) activated device with no gate, a charging net-
work is essential in this circuit to charge the capacitor above the
peak of the line in order to break over (turn on) the sidac with a
V
BO
of 220 V to 250 V.
As the sidac turns on each half cycle, the filaments are pre-
heated and in less than 1.5 seconds the lamp is lit. Once the
lamp is lit, the voltage across it clamps to approximately 60 V
peak (for a 15 W to 20 W lamp), and the sidac ceases to function
until the lamp is required to be ignited again.
Figure AN1010.3
120 V ac Sidac Circuit
The circuits illustrated in Figure AN1010.2 and Figure AN1010.3
use 15 W to 20 W lamps. The same basic circuits can be applied
to higher wattage lamps. However, with higher wattage lamps the
voltage developed to fire (light) the lamp will need to be some-
what higher. For instance, a 40 W lamp is critical on line input
voltage to ignite, and after it is lit the voltage across the lamp will
clamp to approximately 130 V peak. For a given type of lamp, the
current must be limited to constant current regardless of the watt-
age of the lamp.
Figure AN1010.4 shows a circuit for igniting a fluorescent lamp
with 240 V line voltage input using triac and diac networks.
120 V ac
Line
Input
Lamp
15 W - 20 W
Optional
Charging
Network
5 μF
400 V
0.047 μF
50 V
220 k
HT-32
MT1
G
MT2
Q401E4
Ballast
14 W - 22 W
1N4004
47 k
120 V ac
Line
Input
Lamp
15 W - 20W
K2400E
Sidac
Optional
Charging
Network
5 μF
400 V
Ballast
14 W - 22W
1N4004
47 k
相關(guān)PDF資料
PDF描述
BT137-500E Thyristor Product Catalog
BT137-500F Tip Jack; Current Rating:10A; Color:Black; Contact Material:Brass; Contact Termination:Turret; Insulator Material:Polycarbonate; Leaded Process Compatible:Yes; Mounting Hole Dia:0.250" RoHS Compliant: Yes
BT137-500G Banana Jack; Current Rating:15A; Color:White; Contact Material:Brass; Contact Termination:Threaded; Features:"D" Body Style; Hex Size:7/16"; Insulator Material:Polycarbonate; Leaded Process Compatible:Yes; Thread Size:5/16-32 RoHS Compliant: Yes
BT137-600D Hook-Up Wire; Conductor Size AWG:22; No. Strands x Strand Size:7 x 30; Jacket Color:Gray; Approval Bodies:UL, CSA; Approval Categories:UL AWM Styles 1007, 1565; CSA Types TR-64, TRSR-64; JQA-F; Passes VW-1 Flame Test RoHS Compliant: Yes
BT137-600E Hook-Up Wire; Conductor Size AWG:22; No. Strands x Strand Size:7 x 30; Jacket Color:Gray; Approval Bodies:UL, CSA; Approval Categories:UL AWM Styles 1007, 1565; CSA Types TR-64, TRSR-64; JQA-F; Passes VW-1 Flame Test RoHS Compliant: Yes
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
BT137-500E 制造商:TECCOR 制造商全稱:TECCOR 功能描述:Thyristor Product Catalog
BT137-500F 制造商:TECCOR 制造商全稱:TECCOR 功能描述:Thyristor Product Catalog
BT137-500G 制造商:TECCOR 制造商全稱:TECCOR 功能描述:Thyristor Product Catalog
BT137-500G/B 制造商:未知廠家 制造商全稱:未知廠家 功能描述:TRIAC 8A TO-220
BT137600 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Triacs