MLL746A Microsemi Corporation, MLL746A Datasheet
MLL746A
Manufacturer Part Number
MLL746A
Description
Leadless Glass Zener Diode Surface Mount
Manufacturer
Microsemi Corporation
Datasheet
1.MLL746A.pdf
(2 pages)
Maximum Ratings
500 mW DC Power Dissipation (See Power Derating Curve In Figure 1)
-55 C to +175 C Operating and Storage Junction Temperature
Electrical Characteristics @ 25 C
Features
Application
This surface mountable zener diode series is similar to the 1N746 thru
1N759 in the DO-35 equivalent package except that it meets the new
JEDEC surface mount outline DO-213AA. It is an ideal selection for
applications of high density and low parasitic requirements. Due to its
glass hermetic qualities, it may also be considered for high reliability
applications.
Note 1 Voltage measurements to be performed 20 seconds after application of dc
test current.
Note 2 Zener impedance derived by superimposing on I
equal to 10% I
Note 3 Allowance has been made for the increase in V
increase in junction temperature as the unit approaches thermal equilibrium at the
power dissipation at 500 mW.
** Ordering Information:
MLL4370A
MLL4371A
MLL4372A
MICROSEMI
MLL746A
MLL747A
MLL748A
MLL749A
MLL750A
MLL751A
MLL752A
MLL753A
MLL754A
MLL755A
MLL756A
MLL757A
MLL758A
MLL759A
NUMBER
PART
Leadless Package For Surface Mount Technology
Ideal For High Density Mounting
Voltage Range 2.4 To 12 Volts
Hermetically Sealed, Double Slug Glass Construction
Metallurgically Bonded Construction Available as Dash One.
Available in JAN, JTX, JTXV-1 To Mil-PRF-19500/127 (UR-1 Suffix)
**
MSC0291.PDF 04-20-00
VOLTAGE
NOMINAL
(NOTE 1)
1) Commercial: MLL746A thru MLL759A or MLL746A-1 thru MLL759A-1
2) Military: JAN, JANTX, or JANTXV 1Nxxxx UR-1
3) Tight tolerance "C" suffix = ±2%, "D" suffix = ±1%
ZENER
V
VOLTS
Z
10.0
12.0
2.4
2.7
3.0
3.3
3.6
3.9
4.3
4.7
5.1
5.6
6.2
6.8
7.5
8.2
9.1
@ I
ZT
MLL4370A thru MLL4372A or MLL4370A-1 thru MLL4372A-1
zT
(2 mA ac).
CURRENT
ZENER
TEST
mA
20
20
20
I
20
20
20
20
20
20
20
20
20
20
20
20
20
20
zT
IMPEDANC
MAXIMUM
(NOTE 2)
Z
ZENER
OHMS
ZT
30
30
29
28
24
23
22
19
17
11
10
17
30
E
@ I
7
5
6
8
ZT
@25 C
REVERSE CURRENT
100
75
50
10
10
10
2
2
1
1
A
.1
.1
.1
.1
.1
.1
.1
@ V
MAXIMUM
R
= 1 VOLT
@ +150 C
Z
200
150
100
30
30
30
30
30
20
20
20
20
20
20
20
20
20
8700 E. Thomas Road
Scottsdale, AZ 85252
Phone: (480) 941-6300
Fax:
ZT
due to Z
A
at 60 Hz rms ac current
(480) 947-1503
MAXIMUM
CURRENT
(NOTE 4)
ZENER
Z
mA
150
135
120
110
100
I
95
85
75
70
65
60
55
50
45
40
35
30
ZM
and for the
COEFF. OF
VOLTAGE
TYPICAL
ZENER
TEMP
- .085
- .080
- .075
%/ C
- .066
- .058
- .046
- .033
- .015
+.030
+.049
+.053
+.057
+.060
+.061
+.062
+.062
.010
VZ
MLL4370A,-1 thru MLL4372A,-1
Mechanical
Characteristics
Case: Hermetically sealed glass with solder
Finish: All external surfaces are corrosion
Polarity: Banded end is cathode.
Thermal Resistance: 100 C/Watt Maximum
Mounting Position: Any
Weight: 0.04 gm
MLL746A,-1 thru MLL759A,-1
contact tabs at each end.
resistant, readily solderable.
junction to end caps for "-1" construction and
150 C/W maximum junction to end caps for
commercial.
DIM
U
A
B
LEADLESS GLASS
SURFACE MOUNT
±1% and ±2% Versions
“C” and “D” Available
ZENER DIODE
3.30
1.60
0.41
MIN
MILLIMETERS
Package Dimensions In Inches
DO-213AA
MAX
3.70
1.70
0.55
and
.130
.063
.016
MIN
INCHES
MAX
.146
.067
.022
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MLL746A Summary of contents
Page 1
... Ordering Information: 1) Commercial: MLL746A thru MLL759A or MLL746A-1 thru MLL759A-1 MLL4370A thru MLL4372A or MLL4370A-1 thru MLL4372A-1 2) Military: JAN, JANTX, or JANTXV 1Nxxxx UR-1 3) Tight tolerance "C" suffix = ±2%, "D" suffix = ±1% MSC0291 ...
Page 2
... ZENER VOLTAGE V Z FIGURE 3 CAPACITANCE VS ZENER VOLTAGE (TYPICAL) MLL746A,-1 thru MLL759A,-1 and MLL4370A,-1 thru MLL4372A,-1 ±1% and ±2% Versions “C” and “D” Available ZENER CURRENT (mA) FIGURE 2 ZENER IMPEDANCE VS ZENER CURRENT (TYPICAL) ...