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參數(shù)資料
| 型號(hào)： | PSMA5945B |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 參考電壓二極管 |
| 英文描述： | Voltage regulator diodes |
| 中文描述： | 68 V, 1.5 W, SILICON, UNIDIRECTIONAL VOLTAGE REGULATOR DIODE, DO-214AC |
| 封裝： | PLASTIC PACKAGE-2 |
| 文件頁(yè)數(shù)： | 4/8頁(yè) |
| 文件大小： | 62K |
| 代理商： | PSMA5945B |
1998 Dec 04
4
Philips Semiconductors
Product specification
Voltage regulator diodes
PSMA5925B to PSMA5945B
THERMAL CHARACTERISTICS
Notes
1.
2.
Device mounted on an Al
2
O
3
printed-circuit board, 0.7 mm thick; thickness of Cu-layer
≥
35
μ
m, see Fig.5.
Device mounted on an epoxy-glass printed-circuit board, 1.5 mm thick; thickness of Cu-layer
≥
40
μ
m, see Fig.5.
For more information please refer to the ‘General part of the associated handbook’
SYMBOL
PARAMETER
CONDITIONS
VALUE
UNIT
R
th j-tp
R
th j-a
thermal resistance from junction to tie-point
thermal resistance from junction to ambient
25
100
150
K/W
K/W
K/W
note 1
note 2
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