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參數資料
| 型號： | MQMLL5253C-1E3TR |
| 廠商： | MICROSEMI CORP-SCOTTSDALE |
| 元件分類： | 齊納二極管 |
| 英文描述： | 25 V, 0.5 W, SILICON, UNIDIRECTIONAL VOLTAGE REGULATOR DIODE, DO-213AA |
| 封裝： | ROHS COMPLIANT, HERMETIC SEALED, GLASS, MLL34, MELF-2 |
| 文件頁數： | 3/3頁 |
| 文件大小： | 152K |
| 代理商： | MQMLL5253C-1E3TR |
METALLURGICALLY BONDED GLASS
SURFACE MOUNT 500 mW ZENERS
WWW
.Microse
m
i
.CO
M
S C O T TS DALE DIVISION
1N5221UR-1 thru 1N5281BUR-1,e3
(or MLL5221-1 thru MLL5281B-1,e3)
1N5
221
UR
thru
1N5281
BUR
NOTE 1:
Table as shown lists type numbers, which indicate a tolerance of +/-20% with guaranteed limits on only
VZ, IR, and VF. Devices with
guaranteed limits on all six parameters are indicated by suffix “A” for +/-10%, “B” for +/-5%, “C” for +/-2%, and “D” for +/-1% tolerance.
NOTE 2:
The electrical characteristics are measured after allowing the device to stabilize for 20 seconds.
NOTE 3:
Temperature coefficient (
α
vz). Test conditions for temperature coefficient are as follows:
a.
IZT = 7.5 mA, T1 = 25
oC,
T2 = 125
oC (1N5221AUR-1 & BUR-1 thru 1N5242AUR-1 & BUR-1)
b.
IZT = Rated IZT, T1 = 25oC,
T2 = 125
oC (1N5243AUR-1 & BUR-1 thru 1N5281AUR-1 & BUR-1)
Device to be temperature stabilized with current applied prior to reading breakdown voltage at the specified ambient temperature.
NOTE 4:
These devices may be ordered as either 1N5221UR-1 thru 1N5281BUR-1 or as MLL5221-1 thru MLL5281B-1 part numbers.
GRAPHS
Microsemi
Scottsdale Division
Page 3
Copyright
2005
8-29-2005 REV A
TEMPERATURE
CO
EFFICIENT
mV/
o
C
TEMPERATURE
CO
EFFICIENT
%/
o C
Voltage Temperature
Coefficient %/
oC
mW
TEC
TA
-
RAT
ED
PO
W
E
R
mV Change /C
TEC End Cap Temperature (C), or
NOMINAL ZENER VOLTAGE (VOLTS)
TA Ambient Temperature on FR4 PC BOARD
FIGURE 2
FIGURE 1
ZENER VOLTAGE TEMPERATURE
POWER DERATING CURVE
COEFFICIENT vs. ZENER VOLTAGE
PACKAGE DIMENSIONS
INCHES
MILLIMETERS
DIM
MIN
MAX
MIN
MAX
A
0.063
0.067
1.60
1.70
B
0.130
0.146
3.30
3.70
C
0.016
0.022
0.41
0.55
INCHES
mm
A
.200
5.08
B
.055
1.40
C
.080
2.03
PAD LAYOUT
FIGURE 3
CAPACITANCE vs. ZENER VOLTAGE
(TYPICAL)
8700 E. Thomas Rd. PO Box 1390, Scottsdale, AZ 85252 USA, (480) 941-6300, Fax: (480) 947-1503
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