1N5728B thru 1N5757B-1 DO-35
Axial-Leaded 500 mW Zener Diodes
SCOTTSDALE DIVISION
APPEARANCE
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.
WWW . Microsemi .C OM
DESCRIPTION
DO-35
(DO-204AH)
IMPORTANT: For the most current data, consult MICROSEMI’s website: http://www.microsemi.com
FEATURES
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APPLICATIONS / BENEFITS
JEDEC registered 1N5728 to 1N5757 series
Internal metallurgical bond option available by
adding a “-1” suffix
Options for screening in accordance with MILPRF-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
MAXIMUM RATINGS
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MECHANICAL AND PACKAGING
º
Operating and Storage temperature: -65 C to
+175ºC
Thermal Resistance: 250 ºC/W junction to lead
at 3/8 (10 mm) lead length from body, or
310ºC/W junction to ambient when mounted on
FR4 PC board (1 oz Cu) with 4 mm2 copper
pads and track width 1 mm, length 25 mm
Steady-State Power: 0.5 watts at TL < 50oC 3/8
inch (10 mm) from body or 0.48 W at TA < 25ºC
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 ºC for 10 s (max)
Copyright 2003
11-03-2003 REV A
•
•
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
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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
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
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1N5728B thru 1N5757B-1 DO-35
Axial-Leaded 500 mW Zener Diodes
SCOTTSDALE DIVISION
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
REGULATOR
VOLTAGE
TEST
CURRENT
DYNAMIC
IMPEDANCE
REVERSE
CURRENT
(VZ)
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
(IZ)
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
(ZZ)
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
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
IR
IR TEST
VOLTAGE
(VR)
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
MAXIMUM
REGULATOR
CURRENT
(IZM)
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
(αVZ)
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
WWW . Microsemi .C OM
ELECTRICAL CHARACTERISTICS*
*JEDEC Registered Data. The Type Number indicates 5% Tolerance. (See Note 1.)
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 IZT.
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
o
TEMPERATURE COEFFICIENT %/ C
mV Change /ºC
o
o
TL – LEAD TEMPERATURE ( C) 3/8” FROM BODY or
TA on FR4 PC BOARD
Voltage Temperature
o
Coefficient %/ C
TEMPERATURE COEFFICIENT mV/ C
RATED POWER DISSIPATION - mW
GRAPHS
NOMINAL ZENER VOLTAGE (VOLTS)
FIGURE 2
ZENER VOLTAGE TEMPERATURE
COEFFICIENT vs. ZENER VOLTAGE
FIGURE 1
POWER DERATING CURVE
CAPACITANCE vs. VZ CURVE
1N5728B thru
1N5757B-1
TYPICAL CAPACITANCE IN PICOFARADS
PACKAGE DIMENSIONS
All dimensions in: INCH
mm
ZENER VOLTAGE VZ
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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