1N4752AUR [MICROSEMI]
SURFACE MOUNT 1.0W GLASS ZENDER DIODE; 表面贴装1.0W玻璃ZENDER二极管
| 型号： | 1N4752AUR |
| 厂家： | 
Microsemi |
| 描述： | SURFACE MOUNT 1.0W GLASS ZENDER DIODE |
| 文件： | 总3页 (文件大小：342K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
1N4728UR thru 1N4764AUR
(or MLL4728A thru MLL4764A)
SURFACE MOUNT 1.0 W
GLASS ZENER DIODES
S C O T T S D A L E D I V I S I O N
DESCRIPTION
APPEARANCE
This surface mountable 1 watt Zener diode series is electrically equivalent to
the 1N4728A thru 1N4764A registration in the DO-41 equivalent package
except that it meets the JEDEC surface mount outline DO-213AB. It is an
ideal selection for applications of high density and low parasitic requirements
for voltage regulation. Standard voltage tolerance is +/- 5% with tighter
tolerances available down to 1%. With its glass hermetic qualities, it may
also be used for high reliability applications when required by a source
control drawing (SCD).
DO-213AB
IMPORTANT: For the most current data, consult MICROSEMI’s website: http://www.microsemi.com
FEATURES
APPLICATIONS / BENEFITS
•
Electrically similar to the JEDEC registered 1N4728
•
Regulates voltage over a broad operating current
thru 1N4764 zener series
and temperature range
•
•
Zener voltages available 3.3V to 100V
•
•
•
•
•
•
•
Wide selection from 3.3 to 100 V
Leadless package for surface mounting
Ideal for high density mounting
Standard voltage tolerances are +/- 5% with “A” suffix
and 10 % with no suffix identification
•
•
Tight tolerances available in plus or minus 2% or 1%
with C or D suffix respectively
Options for screening in accordance with MIL-PRF-
19500 for JAN, JANTX, JANTXV, and JANS are
available by adding MQ, MX, MV, or MSP prefixes
respectively to part numbers.
Nonsensitive to ESD
Hermetically sealed glass package
Specified capacitance (see Figure 2)
Inherently radiation hard per MicroNote 050
•
•
Surface mount equivalents also available as
SMAJ4728A to SMAJ4764A and SMAJ4728A to
SMAJ4764A
Plastic body axial-leaded Zener equivalents are also
available as 1N4728A to 1N4764A
MAXIMUM RATINGS
MECHANICAL AND PACKAGING
•
Power dissipation at 25ºC: 1.0 watts (also see derating
in Figure 1).
•
•
CASE: Hermetically sealed DO-213AB glass MELF
TERMINALS: Leads, tin-lead plated solderable per
•
•
Operating and Storage temperature: -65ºC to +175ºC
MIL-STD-750, method 2026
Thermal Resistance: 50 ºC/W junction to end cap, or
130ºC/W junction to ambient when mounted on FR4 PC
board (1 oz Cu) with recommended footprint (see last
page)
•
POLARITY: Cathode indicated by band. Diode to
be operated with the banded end positive with
respect to the opposite end for Zener regulation
•
•
MARKING: Cathode band only
•
Steady-State Power: 1.00 watts at TEC < 125oC, or
1.00 watts at TA < 45ºC when mounted on FR4 PC
board and recommended footprint as described for
thermal resistance (also see Figure 1)
TAPE & REEL optional: Standard per EIA-481-B
with 12 mm tape, 1500 per 7 inch reel or 5000 per
13 inch reel (add “TR” suffix to part number)
•
•
WEIGHT: 0.05 grams
•
•
Forward voltage @200 mA: 1.2 volts (maximum)
See package dimensions & recommended mounting
Solder Temperatures: 260 ºC for 10 s (max)
pad on last page
Copyright 2002
Microsemi
Page 1
11-05-2003 REV C
Scottsdale Division
8700 E. Thomas Rd. PO Box 1390, Scottsdale, AZ 85252 USA, (480) 941-6300, Fax: (480) 947-1503
1N4728UR thru 1N4764AUR
(or MLL4728A thru MLL4764A)
SURFACE MOUNT 1.0 W
GLASS ZENER DIODES
S C O T T S D A L E D I V I S I O N
ELECTRICAL CHARACTERISTICS @ TC = 30oC
MAXIMUM
MAXIMUM
REVERSE
CURRENT
MAXIMUM
REGULATOR
CURRENT
MAXIMUM
KNEE
MAXIMUM
(SURGE)
CURRENT
(NOTE 3)
IS
ZENER
TEST
DYNAMIC
TEST
TEST
VOLTAGE CURRENT IMPEDANCE
VOLTAGE
IMPEDANCE
(NOTE2)
CURRENT
TYPE
(NOTE 4)
VZ
(Note 2)
T
A = 50oC
IZM
NUMBER
IZT
mA
76
Z
ZT @ IZT
Ohms
10
10
9
I
R @ VR
µA
100
100
50
10
10
10
10
10
10
10
10
10
10
5
VR
Volts
1
Z
ZK @ IZK
IZK
mA
(NOTE 1 & 5)
Volts
3.3
3.6
3.9
4.3
4.7
5.1
5.6
6.2
6.8
7.5
8.2
9.1
10
mA
276
252
234
217
193
178
162
146
133
121
110
100
91
Ohms
400
mA
1N4728AUR
1N4729AUR
1N4730AUR
1N4731AUR
1N4732AUR
1N4733AUR
1N4734AUR
1N4735AUR
1N4736AUR
1N4737AUR
1N4738AUR
1N4739AUR
1N4740AUR
1N4741AUR
1N4742AUR
1N4743AUR
1N4744AUR
1N4745AUR
1N4746AUR
1N4747AUR
1N4748AUR
1N4749AUR
1N4750AUR
1N4751AUR
1N4752AUR
1N4753AUR
1N4754AUR
1N4755AUR
1N4756AUR
1N4757AUR
1N4758AUR
1N4759AUR
1N4760AUR
1N4761AUR
1N4762AUR
1N4763AUR
1N4764AUR
1.0
1380
1260
1190
1070
970
890
810
730
660
605
550
500
454
414
380
344
304
285
250
225
205
190
170
150
135
125
115
110
95
69
1
400
1.0
64
1
400
1.0
58
9
1
400
1.0
53
8
1
500
1.0
49
7
1
550
1.0
45
5
2
600
1.0
41
2
3
700
1.0
37
3.5
4.0
4.5
5.0
7
4
700
1.0
34
5
700
0.5
31
6
700
0.5
28
7
700
0.5
25
7.6
8.4
9.1
9.9
11.4
12.2
13.7
15.2
16.7
18.2
20.6
22.8
25.1
27.4
29.7
32.7
35.8
38.8
42.6
47.1
51.7
56.0
62.2
69.2
76.0
700
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
11
23
8
83
700
12
21
9
5
76
700
13
19
10
14
16
20
22
23
25
35
40
45
50
60
70
80
95
110
125
150
175
200
250
350
5
69
700
15
17
5
61
700
16
15.5
14
5
57
700
18
5
50
750
20
12.5
11.5
10.5
9.5
8.5
7.5
7.0
6.5
6.0
5.5
5.0
4.5
4.0
3.7
3.3
3.0
2.8
2.5
5
45
750
22
5
41
750
24
5
38
750
27
5
34
750
30
5
30
1000
1000
1000
1000
1500
1500
1500
2000
2000
2000
2000
3000
3000
3000
33
5
27
36
5
25
39
5
23
43
5
22
47
5
19
51
5
18
90
56
5
16
80
62
5
14
70
68
5
13
65
75
5
12
60
82
5
11
55
91
5
10
50
100
5
9
45
NOTE 1: The type numbers shown with an “A” suffix have a +/-5% tolerance on the nominal Zener voltage. Also available with suffix “C” for +/-2%, and
“D” for +/-1%, while the absence of a suffix letter denotes +/- 10% tolerance.
NOTE 2: The Zener impedance is derived from the 60Hz ac voltage, which results when an ac current having an rms value equal to 10% of the dc Zener
current (IZT or IZK) is superimposed on IZT or IZK. Zener impedance is measured at two points to ensure a sharp knee on the breakdown curve and
eliminate unstable units.
NOTE 3: The reverse surge current is measured at 25oC ambient using a ½ square wave or equivalent sine wave pulse 1/120 second duration
superimposed on IZT
.
NOTE 4: Voltage measurements to be performed 90 seconds after application of dc current.
NOTE 5: This product series has also been previously identified as the MLL4728A thru MLL4764A series. This alternate name may still be used.
Copyright 2002
11-05-2003 REV C
Microsemi
Scottsdale Division
Page 2
8700 E. Thomas Rd. PO Box 1390, Scottsdale, AZ 85252 USA, (480) 941-6300, Fax: (480) 947-1503
1N4728UR thru 1N4764AUR
(or MLL4728A thru MLL4764A)
SURFACE MOUNT 1.0 W
GLASS ZENER DIODES
S C O T T S D A L E D I V I S I O N
GRAPHS
STEADY-STATE POWER DERATING
TEC
TA
Temperature (oC)
FIGURE 2
FIGURE 1
Power Derating Curve Where TEC is End Cap Temp
and TA is Ambient Temperature on FR4 PC board.
PACKAGE DIMENSIONS
PAD LAYOUT
INCHES
MILLIMETERS
MIN MAX
INCHES
.276
mm
DIM
A
MIN
MAX
0.105
0.205
0.022
A
B
C
7.00
1.8
0.094
0.189
0.016
2.39
2.66
0.070
0.110
B
4.80
0.41
5.20
0.55
2.8
C
Copyright 2002
Microsemi
Page 3
11-05-2003 REV C
Scottsdale Division
8700 E. Thomas Rd. PO Box 1390, Scottsdale, AZ 85252 USA, (480) 941-6300, Fax: (480) 947-1503
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