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參數(shù)資料
| 型號： | 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 |
| 文件頁數(shù)： | 5/8頁 |
| 文件大小： | 62K |
| 代理商： | PSMA5945B |
1998 Dec 04
5
Philips Semiconductors
Product specification
Voltage regulator diodes
PSMA5925B to PSMA5945B
GRAPHICAL DATA
Fig.2
Maximum total power dissipation as a
function of temperature.
Solid line: tie-point temperature.
Dotted line: ambient temperature; device mounted on an Al
2
O
3
printed-circuit board as shown in Fig.5.
handbook, halfpage
Ptot
(W)
0
200
0
2
1
3
MGR463
100
T (
°
C)
T
j
= 25
°
C prior to surge.
Fig.3
Maximum non-repetitive peak reverse
power dissipation as a function of pulse
duration (square pulse).
handbook, halfpage
10
2
10
10
2
10
3
4
10
1
1
tp (ms)
PZSM
(W)
10
MBH452
V
Z
at I
ZT
.
Fig.4
Temperature coefficint as a function of
zener voltage; typical values.
handbook, halfpage
2
10
1
MGR464
10
Vz (V)
Sz
(mV/K)
10
2
Fig.5 Printed-circuit board for surface mounting.
Dimensions in mm.
MSB213
4.5
2.5
1.25
50
50
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