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參數(shù)資料
| 型號： | Z0109MA |
| 廠商： | NXP Semiconductors N.V. |
| 元件分類： | 參考電壓二極管 |
| 英文描述： | 4Q Triac |
| 中文描述： | 4Q雙向可控硅 |
| 封裝： | Z0109MA<SOT54 (TO-92)|<<http://www.nxp.com/packages/SOT54.html<1<week 5, 2005,; |
| 文件頁數(shù)： | 10/16頁 |
| 文件大?。?/td> | 239K |
| 代理商： | Z0109MA |
Philips Semiconductors
AN10384
Triac power and thermal calculations
4.2 Refrigerator compressor
A triac is used in an electronic thermostat that controls the ON-OFF switching of a
refrigerator compressor. What maximum heatsink thermal resistance is allowed to keep
the triac’s junction temperature within its T
j
max of 125
°
C
Application information:
Steady state motor current = 1.4 A RMS.
Maximum inrush current = 17 A peak in the first half cycle.
Mains supply = 230 V RMS.
A surface mounted triac is required for direct soldering to the controller PCB.
Maximum ambient temperature is 40
°
C.
The triac gate is triggered from a microcontroller with 20 mA current sink capability.
Calculations:
An 8 A Hi-Com triac is recommended to cope with the inrush current. The suggested
triac is BTA208S-600E, which uses the SOT428 (DPAK) package. Its I
GT
of 10 mA is well
matched to the drive capability of the microcontroller.
Using equation 2,
A
I
I
RMS
T
AVE
T
26
.
4
×
π
2
2
2
2
)
(
)
(
=
×
=
×
π
×
=
From the data sheet, V
o
= 1.264 V and R
s
= 0.0378
Ω
.
Using equation 1,
W
I
R
I
V
P
RMS
T
s
AVE
T
o
67
.
4
×
0378
.
+
26
.
×
264
.
2
2
)
(
)
(
=
=
×
+
×
=
Using equation 6,
a
thj
a
j
R
P
T
T
×
+
=
We already know that T
a
= 40
°
C and P = 1.67 W, and in this case, T
j
= T
j
max = 125
°
C.
Rearranging the equation gives
W
C
P
T
T
R
a
j
a
thj
/
51
67
.
40
125
°
=
=
=
Koninklijke Philips Electronics N.V. 2005. All rights reserved.
Application note
Rev. 01 — 10 August 2005
10 of 16
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相關代理商/技術參數(shù) |
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| Z0109MA 2AL2 | 功能描述:雙向可控硅 1A 雙向可控硅 RoHS:否 制造商:STMicroelectronics 開啟狀態(tài) RMS 電流 (It RMS):16 A 不重復通態(tài)電流:120 A 額定重復關閉狀態(tài)電壓 VDRM:600 V 關閉狀態(tài)漏泄電流（在 VDRM IDRM 下）:5 uA 開啟狀態(tài)電壓: 保持電流（Ih 最大值）:45 mA 柵觸發(fā)電壓 (Vgt):1.3 V 柵觸發(fā)電流 (Igt):1.75 mA 最大工作溫度: 安裝風格:Through Hole 封裝 / 箱體:TO-220AB |
| Z0109MA 5AL2 | 功能描述:雙向可控硅 1A 雙向可控硅 RoHS:否 制造商:STMicroelectronics 開啟狀態(tài) RMS 電流 (It RMS):16 A 不重復通態(tài)電流:120 A 額定重復關閉狀態(tài)電壓 VDRM:600 V 關閉狀態(tài)漏泄電流（在 VDRM IDRM 下）:5 uA 開啟狀態(tài)電壓: 保持電流（Ih 最大值）:45 mA 柵觸發(fā)電壓 (Vgt):1.3 V 柵觸發(fā)電流 (Igt):1.75 mA 最大工作溫度: 安裝風格:Through Hole 封裝 / 箱體:TO-220AB |
| Z0109MA,412 | 功能描述:雙向可控硅 BULKSL TRIAC RoHS:否 制造商:STMicroelectronics 開啟狀態(tài) RMS 電流 (It RMS):16 A 不重復通態(tài)電流:120 A 額定重復關閉狀態(tài)電壓 VDRM:600 V 關閉狀態(tài)漏泄電流（在 VDRM IDRM 下）:5 uA 開啟狀態(tài)電壓: 保持電流（Ih 最大值）:45 mA 柵觸發(fā)電壓 (Vgt):1.3 V 柵觸發(fā)電流 (Igt):1.75 mA 最大工作溫度: 安裝風格:Through Hole 封裝 / 箱體:TO-220AB |
| Z0109MA/1AA2 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:TRIAC|600V V(DRM)|1A I(T)RMS|TO-92 |
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