MLL5534B [MICROSEMI]
Low Voltage Surface Mount 500 mW Avalanche Diodes; 低电压表面贴装500 mW的雪崩二极管型号: | MLL5534B |
厂家: | Microsemi |
描述: | Low Voltage Surface Mount 500 mW Avalanche Diodes |
文件: | 总3页 (文件大小:335K) |
中文: | 中文翻译 | 下载: | 下载PDF数据表文档文件 |
1N5518BUR thru 1N5546BUR
(or MLL5518B thru MLL5546B)
Low Voltage Surface Mount
500 mW Avalanche Diodes
S C O T T S D A L E D I V I S I O N
DESCRIPTION
APPEARANCE
The 1N5518BUR thru 1N5546BUR series of 0.5 watt glass surface mount
Zener voltage regulators provides a selection from 3.3 to 33 volts in standard
5% tolerances as well as tighter tolerances identified by different suffix
letters on the part number. These are also available with an internal-
metallurgical-bond option by adding a “-1” suffix (see separate data sheet)
including JAN, JANTX, and JANTXV military qualifications. Microsemi also
offers numerous other Zener products to meet higher and lower power
applications.
DO-213AA
IMPORTANT: For the most current data, consult MICROSEMI’s website: http://www.microsemi.com
FEATURES
APPLICATIONS / BENEFITS
•
•
Surface mount equivalent to JEDEC registered
1N5518 thru 1N5546 series
Internally metallurgical bond option available by
adding “-1” suffix that also includes JAN, JANTX,
and JANTXV qualifications per MIL-PRF-19500/437
(see separate data sheet for same part numbers
with “-1” suffix
DO-7 or DO-35 glass body axial-leaded Zener
equivalents also available per JEDEC registration
(see separate data sheets for part numbers 1N5518
thru 1N5546 DO-7 and DO-35
•
Regulates voltage over a broad operating current
and temperature range
•
•
Extensive selection from 3.3 to 33 V
Standard voltage tolerances are plus/minus 5% with
a “B” suffix, e.g. 1N5518BUR, etc.
•
Tight tolerances available in plus or minus 2% or 1%
with C or D suffix respectively, e.g. 1N5518CUR,
1N5518DUR, etc.
Hermetically sealed surface mount package
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
MECHANICAL AND PACKAGING
•
•
Operating and Storage temperature: -65ºC to
•
CASE: Hermetically sealed glass DO-213AA
+175ºC
(SOD80 or MLL34) MELF style package
Thermal Resistance: 150 ºC/W junction to end cap
and 300ºC/W junction to ambient when mounted on
FR4 PC board (1 oz Cu) with recommended footprint
(see last page)
Steady-State Power: 0.5 watts at end cap
temperature TEC < 100ºC or ambient temperature TA
< 25ºC when mounted on FR4 PC board as
described for thermal resistance above (see Figure
2 for derating)
•
•
TERMINALS: End caps tin-lead plated solderable
per MIL-STD-750, method 2026
POLARITY: Cathode indicated by band where
diode is to be operated with the banded end positive
with respect to the opposite end for Zener regulation
•
•
•
MARKING: cathode band only
TAPE & REEL option: Standard per EIA-481-1-A
with 12 mm tape, 2000 per 7 inch reel or 5000 per
13 inch reel (add “TR” suffix to part number)
•
•
Forward voltage @200 mA: 1.1 volts (maximum)
•
•
WEIGHT: 0.04 grams
Solder Temperatures: 260 ºC for 10 s (max)
See package dimensions and recommended pad
layout on last page
Copyright 2003
Microsemi
Page 1
10-13-2003 REV A
Scottsdale Division
8700 E. Thomas Rd. PO Box 1390, Scottsdale, AZ 85252 USA, (480) 941-6300, Fax: (480) 947-1503
1N5518BUR thru 1N5546BUR
(or MLL5518B thru MLL5546B)
Low Voltage Surface Mount
500 mW Avalanche Diodes
S C O T T S D A L E D I V I S I O N
ELECTRICAL CHARACTERISTICS (TA = 25oC unless otherwise noted. Based on DC measurements at
thermal equilibrium; VF = 1.1 Max @ IF = 200 mA for all types.)
JEDEC
TYPE
NOMINAL
ZENER
TEST
MAX. ZENER
MAX. REVERSE CURRENT
(Note 4)
B-C-D
B-C-D SUFFIX
MAX. NOISE
DENSITY
REGULATION
FACTOR
LOW VZ
CURRENT IMPEDANCE
SUFFIX
CURRENT
NUMBER
(Note 1 and
Note 7)
VOLTAGE
MAXIMUM
DC ZENER
CURRENT
B-ZCZ-TD@SUFIZFTIX
IZT
IZL
∆VZ
AT IZ = 250µA
VZ @ IZT
(Note 6)
(Note 6)
IR
(Note 2)
(Note 3)
ND
VR – VOLTS
IZM
(Note 5)
mAdc
115
105
98
mAdc
µAdc
VOLTS
NON & A-
SUFFIX
0.90
0.90
0.90
1.0
B-C-D
SUFFIX
1.0
OHMS
µV/ √Hz
mAdc
VOLTS
1N5518UR
1N5519UR
1N5520UR
1N5521UR
1N5522UR
1N5523UR
1N5524UR
1N5525UR
1N5526UR
1N5527UR
1N5528UR
1N5529UR
1N5530UR
1N5531UR
1N5532UR
1N5533UR
1N5534UR
1N5535UR
1N5536UR
1N5537UR
1N5538UR
1N5539UR
1N5540UR
1N5541UR
1N5542UR
1N5543UR
1N5544UR
1N5545UR
1N5546UR
3.3
3.6
20
20
26
24
5.0
3.0
0.5
0.5
0.5
0.5
0.5
0.5
1.0
1.0
1.0
2.0
4.0
4.0
4.0
5.0
10
0.90
0.90
0.85
0.75
0.60
0.65
0.30
0.20
0.10
0.05
0.05
0.05
0.10
0.20
0.20
0.20
0.20
0.20
0.20
0.20
0.20
0.20
0.20
0.25
0.30
0.35
0.40
0.45
0.50
2.0
1.0
2.0
3.9
20
22
1.0
1.0
2.0
4.3
20
18
3.0
1.5
88
2.0
4.7
10
22
2.0
1.5
2.0
81
1.0
5.1
5.0
3.0
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
1.0
1.0
26
2.0
2.0
2.5
75
0.25
0.25
0.01
0.01
0.01
0.01
0.01
0.01
0.01
0.01
0.01
0.01
0.01
0.01
0.01
0.01
0.01
0.01
0.01
0.01
0.01
0.01
0.01
0.01
5.6
30
2.0
3.0
3.5
68
6.2
30
1.0
4.5
5.0
61
6.8
30
1.0
5.5
6.2
56
7.5
35
0.5
6.0
6.8
51
8.2
40
0.5
6.5
7.5
46
9.1
45
0.1
7.0
8.2
42
10.0
11.0
12.0
13.0
14.0
15.0
16.0
17.0
18.0
19.0
20.0
22.0
24.0
25.0
28.0
30.0
33.0
60
0.05
0.05
0.05
0.01
0.01
0.01
0.01
0.01
0.01
0.01
0.01
0.01
0.01
0.01
0.01
0.01
0.01
8.0
9.1
38
80
9.0
9.9
35
90
9.5
10.8
11.7
12.6
13.5
14.4
15.3
16.2
17.1
18.0
19.8
21.6
22.4
25.2
27.0
29.7
32
90
10.5
11.5
12.5
13.0
14.0
15.0
16.0
17.0
18.0
20.0
21.0
23.0
24.0
28.0
29
15
100
100
100
100
100
100
100
100
100
100
100
100
100
27
20
25
20
24
20
22
20
21
20
20
20
19
20
17
20
16
20
15
20
14
20
13
20
12
20
NOTES:
1. TOLERANCE AND VOLTAGE DESIGNATION –
The JEDEC type numbers shown without a suffix letter prior to the UR are +/-20% with guaranteed limits for only VZ, IR, and VF.
Units with A suffix prior to the UR are +/-10% with guaranteed limits for VZ, IR, and VF. Units with guaranteed limits for all six
parameters are indicated by a B suffix for +/-5.0% units, C suffix for +/-2.0% and D suffix for +/-1.0% prior to the UR.
2. ZENER VOLTAGE (VZ) MEASUREMENT –
Nominal zener voltage is measured with the device junction in thermal equilibrium with ambient temperature of 25oC.
3. ZENER IMPEDANCE (ZZ) MEASUREMENT –
The zener impedance is derived from the 60 Hz ac voltage, which results when an ac current having an rms value equal to 10%
of the dc zener current (IZT) is superimposed on IZT
.
4. REVERSE CURRENT (IR) –
Reverse currents are guaranteed and are measured at VR as shown on the table.
5. MAXIMUM REGULATOR CURRENT (IZM) –
The maximum current shown is as shown in MIL-PRF-19500/437.
6. MAXIMUM REGULATION FACTOR (∆VZ) –
∆VZ is the maximum difference between VZ at IZT and VZ at IZL measured with the device junction in thermal equilibrium.
7. PART NUMBER –
These may be ordered as either 1N5518UR thru 1N5546UR or as MLL5518 thru MLL5546 part numbers. For JAN, JANTX,
or JANTXV military types, see separate data sheet for the 1N5518UR-1 thru 1N5546UR-1 part numbers.
Copyright 2003
10-13-2003 REV A
Microsemi
Scottsdale Division
Page 2
8700 E. Thomas Rd. PO Box 1390, Scottsdale, AZ 85252 USA, (480) 941-6300, Fax: (480) 947-1503
1N5518BUR thru 1N5546BUR
(or MLL5518B thru MLL5546B)
Low Voltage Surface Mount
500 mW Avalanche Diodes
S C O T T S D A L E D I V I S I O N
Noise density, (ND) is specified in
microvolt-rms per square-root-hertz.
Actual measurement is performed
using a 1 kHz to 3 kHz frequency
bandpass filter at a constant Zener
test current (IZT) AT 25oC ambient
temperature.
TEC
TA
TEC, End Cap Temperature (oC) or TA
Ambient temperature on FR4 PC board
FIGURE 2 Power Derating Curve
FIGURE 1 Noise Density
Measurement Circuit
Zener Voltage VZ
FIGURE 3 Capacitance vs. Zener Voltage (Typical)
FIGURE 4
Zener Diode Characteristics and Symbol Identification
PACKAGE DIMENSIONS
INCHES
MILLIMETERS
DIM
A
MIN
0.063
0.130
0.016
MAX
0.067
0.146
0.022
MIN
1.60
3.30
0.41
MAX
1.70
3.70
0.55
B
PAD LAYOUT
C
INCHES
mm
5.08
1.40
2.03
A
B
C
.200
.055
.080
Copyright 2003
Microsemi
Page 3
10-13-2003 REV A
Scottsdale Division
8700 E. Thomas Rd. PO Box 1390, Scottsdale, AZ 85252 USA, (480) 941-6300, Fax: (480) 947-1503
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