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參數(shù)資料
| 型號： | MX1N749AE3 |
| 廠商： | MICROSEMI CORP-SCOTTSDALE |
| 元件分類： | 齊納二極管 |
| 英文描述： | 4.3 V, 0.417 W, SILICON, UNIDIRECTIONAL VOLTAGE REGULATOR DIODE, DO-204AA |
| 封裝： | ROHS COMPLIANT, HERMETIC SEALED, GLASS, DO-7, 2 PIN |
| 文件頁數(shù)： | 2/3頁 |
| 文件大?。?/td> | 153K |
| 代理商： | MX1N749AE3 |
Silicon 500 mW Zener Diodes
WWW
.Microse
m
i
.CO
M
S C O T TS DALE DIVISION
1N746 thru 1N759A, e3 and
1N4370 thru 1N4372A, e3 DO-7
1N7
46
–
75
9
A
,e3
1N4
370
-437
2A,
e3
(DO
-7
)
ELECTRICAL CHARACTERISTICS* @ 25oC
MAXIMUM REVERSE
CURRENT
@ VR = 1 VOLT
NOMINAL
ZENER
VOLTAGE
VZ @ IZT
(NOTE 2)
ZENER
TEST
CURRENT
IZT
MAXIMUM
ZENER
IMPEDANCE
ZZT @ IZT
(NOTE 3)
@25C
@+150C
MAXIMUM
ZENER
CURRENT
IZM
(NOTE 4)
TYPICAL
TEMP COEFF.
OF ZENER
VOLTAGE
αVZ
JEDEC
TYPE NO.
(NOTE1)
VOLTS
mA
OHMS
μA
mA
%/
oC
1N4370
1N4371
1N4372
2.4
2.7
3.0
20
30
29
100
75
50
200
150
100
150
135
120
-.085
-.080
-.075
1N746
1N747
1N748
3.3
3.6
3.9
20
28
24
23
10
30
110
100
95
-.066
-.058
-.046
1N749
1N750
1N751
1N752
4.3
4.7
5.1
5.6
20
22
19
17
11
2
1
30
20
85
75
70
65
-.033
-.015
+/-.010
+.030
1N753
1N754
1N755
1N756
6.2
6.8
7.5
8.2
20
7
5
6
8
.1
20
60
55
50
45
+.049
+.053
+.057
+.060
1N757
1N758
1N759
9.1
10.0
12.0
20
10
17
30
.1
20
40
35
30
+.061
+.062
* JEDEC Registered Data
NOTE 1: Standard tolerance on JEDEC types shown is +/- 10%. Suffix letter A denotes +/- 5% tolerance; suffix
letter C denotes +/- 2%; and suffix letter D denotes +/- 1% tolerance.
NOTE 2: Voltage measurements to be performed 20 seconds after application of dc test current.
NOTE 3: Zener impedance derived by superimposing on
IZT, a 60 cps, rms ac current equal to 10% IZT (2 mA ac). See MicroNote 202 for
typical zener Impedance variation with different operating currents.
NOTE 4: Allowance has been made for the increase in
VZ due to ZZ and for the increase in junction temperature as the unit approaches
thermal equilibrium at the power dissipation of 400 mW.
GRAPHS
RATED
P
O
WER
DISSIPATION
-
mW
TEMPERATURE
C
O
E
FFICIENT
mV/
C
Voltage Temperature
Coefficient %/
oC
TEMPERATURE
C
O
E
FFICIENT
mV Change /
oC
TL – LEAD TEMPERATURE (
oC) 3/8” FROM BODY
NOMINAL ZENER VOLTAGE (VOLTS)
or TA on FR4 PC BOARD
FIGURE 1
FIGURE 2
POWER DERATING CURVE
ZENER VOLTAGE TEMPERATURE
COEFFICIENT vs. ZENER VOLTAGE
Microsemi
Scottsdale Division
Page 2
Copyright
2005
10-18-2005 REV C
8700 E. Thomas Rd. PO Box 1390, Scottsdale, AZ 85252 USA, (480) 941-6300, Fax: (480) 947-1503
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