1N5728B thru 1N5757B-1 DO-35
Axial-Leaded 500 mW Zener Diodes
SCOTTSDALE DIVISION
DESCRIPTION
The 1N5728 thru 1N5757 series of 0.5 watt Zener Voltage Regulators
provides a selection from 4.7 to 75 volts in standard 5% tolerances as well
as tighter tolerances identified by a “C” or “D” suffix letter on the part
number. These glass axial-leaded DO-35 Zeners are also available with an
internal-metallurgical-bond option by adding a “-1” suffix. Microsemi also
offers numerous other Zener products to meet higher and lower power
applications.
IMPORTANT:
For the most current data, consult
MICROSEMI’s
website:
http://www.microsemi.com
APPEARANCE
WWW .
Microsemi
.C
OM
DO-35
(DO-204AH)
FEATURES
•
•
•
JEDEC registered 1N5728 to 1N5757 series
Internal metallurgical bond option available by
adding a “-1” suffix
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 with
“-1” suffix
Surface Mount equivalents are also available in
DO-213AA by adding a UR or UR-1 suffix, e.g.
1N5728UR, 1N5746UR-1, etc. (see separate
data sheets)
DO-7 glass body axial-leaded Zener equivalents
are also available
•
•
•
•
•
•
•
•
APPLICATIONS / BENEFITS
Regulates voltage over a broad operating
current and temperature range
Extensive selection from 4.7 to 75 V
Standard voltage tolerances of plus/minus 5%
with a B suffix
Tight tolerances available in plus or minus 2%
or 1% with C or D suffix respectively
Flexible axial-lead mounting terminals
Nonsensitive to ESD per MIL-STD-750 Method
1020
Minimal capacitance (see Figure 3)
Inherently radiation hard as described in
Microsemi MicroNote 050
•
•
MAXIMUM RATINGS
•
•
Operating and Storage temperature: -65
º
C to
+175
º
C
Thermal Resistance: 250
º
C/W junction to lead
at 3/8 (10 mm) lead length from body, or
310
º
C/W junction to ambient when mounted on
FR4 PC board (1 oz Cu) with 4 mm
2
copper
pads and track width 1 mm, length 25 mm
Steady-State Power: 0.5 watts at T
L
< 50
o
C 3/8
inch (10 mm) from body or 0.48 W at T
A
< 25
º
C
when mounted on FR4 PC board as described
for thermal resistance above (also see Figure1)
Forward voltage @10 mA: 0.9 volts (maximum)
Solder Temperatures: 260
º
C for 10 s (max)
MECHANICAL AND PACKAGING
•
•
•
CASE: Hermetically sealed axial-lead glass
DO-35 (DO-204AH) package
TERMINALS: Leads, tin-lead plated solderable
per MIL-STD-750, method 2026
POLARITY: Cathode indicated by band. Diode
to be operated with the banded end positive
with respect to the opposite end for Zener
regulation
MARKING: Part number
TAPE & REEL option: Standard per EIA-296
(add “TR” suffix to part number)
WEIGHT: 0.2 grams
See package dimensions on last page
•
•
•
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1N5728B thru
1N5757B-1
Copyright
2003
11-03-2003 REV A
Microsemi
Scottsdale Division
8700 E. Thomas Rd. PO Box 1390, Scottsdale, AZ 85252 USA, (480) 941-6300, Fax: (480) 947-1503
Page 1
1N5728B thru 1N5757B-1 DO-35
Axial-Leaded 500 mW Zener Diodes
SCOTTSDALE DIVISION
ELECTRICAL CHARACTERISTICS*
TYPE
NUMBER
(Note 1)
1N5728B
1N5729B
1N5730B
1N5731B
1N5732B
1N5733B
1N5734B
1N5735B
1N5736B
1N5737B
1N5738B
1N5739B
1N5740B
1N5741B
1N5742B
1N5743B
1N5744B
1N5745B
1N5746B
1N5747B
1N5748B
1N5749B
1N5750B
1N5751B
1N5752B
1N5753B
1N5754B
1N5755B
1N5756B
1N5757B
NOTES:
1.
2.
3.
Devices listed have a +/-5% voltage tolerance on nominal Vz with a B suffix. An A suffix is +/-10% and no suffix is +/-20%.
Suffix C denotes a +/-2% tolerance and suffix D denotes a +/-1% tolerance.
All static parameters measured under pulsed conditions, tp = 300
µs.
Dynamic Impedance is derived by measuring the ac voltage when superimposing an ac rms current of 0.2 mA at 1000 Hz on
to the dc level of I
ZT
.
REGULATOR
VOLTAGE
(
V
Z
)
Volts
4.7
5.1
5.6
6.2
6.8
7.5
8.2
9.1
10
11
12
13
15
16
18
20
22
24
27
30
33
36
39
43
47
51
56
62
68
75
TEST
CURRENT
(I
Z
)
Amps
10
10
10
10
10
10
10
10
10
5
5
5
5
5
5
5
5
5
2
2
2
2
2
2
2
2
2
2
2
2
DYNAMIC
IMPEDANCE
(Z
Z
)
Ohms
70
50
25
10
10
10
15
15
20
20
25
30
30
40
45
55
55
70
80
80
90
90
130
150
170
180
200
215
240
255
REVERSE
CURRENT
µA
3.0
3.0
3.0
3.0
3.0
2.0
1.0
0.5
0.2
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
VOLTAGE
(V
R
)
Volts
2
2
2
4
4
5
5
6
7
8
8
9
10
11
12
14
15
17
19
21
23
25
27
30
33
36
39
43
48
53
WWW .
Microsemi
.C
OM
I
R
TEST
I
R
MAXIMUM
REGULATOR
CURRENT
(
I
ZM
)
mA
70
65
60
55
50
45
40
40
35
30
30
25
25
20
20
15
15
15
10
10
10
10
9
9
8
7
6
6
5
5
TEMPERATURE
COEFFICIENT
(α
VZ
)
o
mV/ C
-1.0
-0.2
+1.2
+2.3
+3.0
+4.0
+5.0
+6.0
+7.0
+8.0
+9.0
+10.5
+12.9
+13
+15
+17
+19
+21
+23.5
+26
+29
+31
+34
+37
+40
+44
+47
+51
+56
+60
*JEDEC Registered Data. The Type Number indicates 5% Tolerance. (See Note 1.)
1N5728B thru
1N5757B-1
Copyright
2003
11-03-2003 REV A
Microsemi
Scottsdale Division
8700 E. Thomas Rd. PO Box 1390, Scottsdale, AZ 85252 USA, (480) 941-6300, Fax: (480) 947-1503
Page 2
1N5728B thru 1N5757B-1 DO-35
Axial-Leaded 500 mW Zener Diodes
SCOTTSDALE DIVISION
WWW .
Microsemi
.C
OM
GRAPHS
RATED POWER DISSIPATION - mW
TEMPERATURE COEFFICIENT mV/ C
TEMPERATURE COEFFICIENT %/ C
o
Voltage Temperature
o
Coefficient %/ C
mV Change /ºC
o
T
L
– LEAD TEMPERATURE ( C) 3/8” FROM BODY or
T
A
on FR4 PC BOARD
o
NOMINAL ZENER VOLTAGE (VOLTS)
FIGURE 1
POWER DERATING CURVE
CAPACITANCE vs. V
Z
CURVE
FIGURE 2
ZENER VOLTAGE TEMPERATURE
COEFFICIENT vs. ZENER VOLTAGE
PACKAGE DIMENSIONS
TYPICAL CAPACITANCE IN PICOFARADS
1N5728B thru
1N5757B-1
All dimensions in: INCH
mm
ZENER VOLTAGE V
Z
FIGURE 3
Copyright
2003
11-03-2003 REV A
Microsemi
Scottsdale Division
8700 E. Thomas Rd. PO Box 1390, Scottsdale, AZ 85252 USA, (480) 941-6300, Fax: (480) 947-1503
Page 3
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