1N6309US thru 1N6355DUS
VOIDLESS HERMETICALLY SEALED
500mV GLASS ZENER DIODES
Qualified per MIL-PRF-19500/533
DESCRIPTION
This Zener voltage regulator series is military qualified and is ideal for high-reliability
applications where a failure cannot be tolerated. These industry-recognized 0.5 watt Zener
voltage regulators are hermetically sealed with voidless-glass construction using an internal
metallurgical bond. It includes Zener selections from 2.4 to 200 volts in standard 5%
tolerances as well as tighter 1% and 2% tolerances. They are also available in axial leaded
packages. Microsemi also offers numerous other Zener products to meet higher and lower
power ratings in both thru-hole and surface mount packages.
Important:
For the latest information, visit our website
http://www.microsemi.com.
Available on
commercial
versions
Qualified Levels:
JAN, JANTX, JANTXV
and JANS
B-SQ Melf Package
FEATURES
•
•
•
•
•
•
Surface mount equivalent of JEDEC registered 1N6309 thru 1N6355 series.
Voltage tolerances of 1%, 2% and 5% are available. (See
part nomenclature.)
Voidless hermetically sealed glass package.
Internal “Category
I”
metallurgical bonds for 1N6321US thru 1N6355US and “Category
III”
for
1N6309US thru 1N6320US.
JAN, JANTX, JANTXV, and JANS reliability levels are available per MIL-PRF-19500/533.
RoHS compliant versions available (commercial grade only).
Also available in:
DO-35 package
(axial-leaded)
1N6309 – 1N6355D
APPLICATIONS / BENEFITS
•
•
•
•
•
•
•
Small surface mount Melf (“D” Package).
Regulates voltage over a broad operating current and temperature range.
Extensive selection from 2.4 to 200 volts.
Standard and tight voltage tolerances available.
Extremely robust construction.
Non-sensitive to ESD per MIL-STD-750 method 1020.
Inherently radiation hard as described in Microsemi “MicroNote
050”.
MAXIMUM RATINGS
Parameters/Test Conditions
Junction and Storage Temperature
Thermal Resistance Junction-to-End Cap
(1)
1N6309US – 1N6320US
1N6321US – 1N6355US
Thermal Resistance Junction-to-Ambient
(2)
Steady-State Power Dissipation @ T
EC
= 150
o
C
Forward Voltage @ 1.0 A
Solder Temperature @ 10 s
Symbol
T
J
and T
STG
R
ӨJEC
R
ӨJA
P
D
V
F
T
SP
Value
-65 to +175
35
21
240
0.5
1.4
260
Unit
o
C
o
C/W
C/W
W
V
o
C
MSC – Lawrence
6 Lake Street,
Lawrence, MA 01841
Tel: 1-800-446-1158 or
(978) 620-2600
Fax: (978) 689-0803
MSC – Ireland
Gort Road Business Park,
Ennis, Co. Clare, Ireland
Tel: +353 (0) 65 6840044
Fax: +353 (0) 65 6822298
Website:
www.microsemi.com
o
Notes:
1. See
Figure 1
and
Figure 2
for derating.
2. T
A
= +55 °C before derating on printed circuit board (PCB), PCB = FR4 .0625 inch (1.59 mm) 1-layer 1-
Oz Cu, horizontal, still air, pads = .067 inch (1.70 mm) x .105 inch (2.67 mm); strip = .030 inch (0.76
mm) x 1 inch (25.4 mm) long, R
ΘJA
with a defined thermal resistance condition included is measured at
I
Z
= as defined in the characteristics and ratings table herein.
T4-LDS-0193-1, Rev. 1 (111899)
©2011 Microsemi Corporation
Page 1 of 6
1N6309US thru 1N6355DUS
MECHANICAL and PACKAGING
•
•
•
•
•
•
CASE: Hermetically sealed voidless hard glass with tungsten slugs.
TERMINALS: End caps are copper with tin/lead (Sn/Pb) or RoHS compliant matte/tin (commercial grade only) finish.
POLARITY: Cathode indicated by band.
TAPE & REEL option: Standard per EIA-481-B. Consult factory for quantities.
WEIGHT: 0.0945 grams.
See
Package Dimensions
on last page.
PART NOMENCLATURE
JAN
Reliability Level
JAN = JAN Level
JANTX = JANTX Level
JANTXV = JANTXV Level
JANS = JANS Level
Blank = Commercial
JEDEC type number
(see
Electrical Characteristics
table)
1N6309 C US (e3)
RoHS Compliance
e3 = RoHS Compliant (available
on commercial grade only)
Blank = non-RoHS Compliant
MELF Package
Zener Voltage Tolerance
C = +/- 2%
D = +/- 1%
Blank = +/- 5%
Symbol
I
R
I
Z
, I
ZT
, I
ZK
I
ZM
I
ZSM
V
F
V
WM
V
Z
Z
ZT
or Z
ZK
SYMBOLS & DEFINITIONS
Definition
Reverse Current: The maximum reverse (leakage) current that will flow at the specified voltage and temperature.
Regulator Current: The dc regulator current (I
Z
), at a specified test point (I
ZT
), near breakdown knee (I
ZK
).
Maximum Regulator (Zener) Current: The maximum rated dc current for the specified power rating.
Maximum Zener Surge Current: The non-repetitive peak value of Zener surge current at a specified wave form.
Maximum Forward Voltage: The maximum forward voltage the device will exhibit at a specified current.
Working Peak Voltage: The maximum peak voltage that can be applied over the operating temperature range. This is
also referred to as Standoff Voltage.
Zener Voltage: The Zener voltage the device will exhibit at a specified current (I
Z
) in its breakdown region.
Dynamic Impedance: The small signal impedance of the diode when biased to operate in its breakdown region at a
specified rms current modulation (typically 10% of I
ZT
or I
ZK
) and superimposed on I
ZT
or I
ZK
respectively.
T4-LDS-0193-1, Rev. 1 (111899)
©2011 Microsemi Corporation
Page 2 of 6
1N6309US thru 1N6355DUS
ELECTRICAL CHARACTERISTICS
@ 25
o
C
V
Z2
V
Z1
Test
Dynamic
Dynamic
Max. Voltage
NOM. MIN. Current Impedance Impedance Current Reg.
+/-5% @ I
Z1
I
Z2
Z
ZK
Z
Z
@ I
Z2
I
ZM
V
Z(reg)
@ I
Z2
250 uA
@
(∆V
Z
)
250
µA
Note 2
Surge Reverse Max.
Max.
Max.
Max.
Current Voltage Reverse Reverse
Noise
Temp.
8.3 ms
V
R
Current Current Density Coeff. of
N
D
Square
I
R1
@ V
R
I
R2
@ V
R
Zener
o
o
Wave
25 C
150 C @ 250
µA
Voltage
I
ZSM
1 to 3 kHz
α
VZ
Amps
2.50
2.20
2.00
1.80
1.65
1.50
1.40
1.27
1.17
1.10
0.97
1.23
1.16
1.07
0.97
0.89
0.83
0.77
0.71
0.62
0.58
0.52
0.47
0.43
0.39
0.35
0.31
0.28
0.260
0.240
0.220
0.200
0.180
0.170
0.150
0.130
0.125
0.115
0.100
0.095
0.085
0.080
0.070
0.065
0.060
0.050
0.045
Volts
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.5
2.0
2.5
3.5
4.0
5.0
6.0
7.0
8.0
8.5
9.0
9.9
11.0
12.0
14.0
15.0
17.0
18.0
21.0
23.0
25.0
27.0
30
33
36
39
43
47
52
56
62
69
76
84
91
99
114
122
137
152
µA
100
60
30
5
3
2
2
5
5
5
5
2
2
1
1
1
1
1
0.05
0.05
0.05
0.05
0.05
0.05
0.05
0.05
0.05
0.05
0.05
0.05
0.05
0.05
0.05
0.05
0.05
0.05
0.05
0.05
0.05
0.05
0.05
0.05
0.05
0.05
0.05
0.05
0.05
µA
200
150
100
20
12
12
12
12
12
10
10
50
30
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
µV
/√Hz
1
1
1
1
1
1
1
1
1
2
5
5
5
20
40
80
100
100
100
100
100
100
100
100
100
100
100
100
100
100
80
80
80
80
80
80
80
80
80
80
80
80
80
80
80
80
80
%/ C
-.085
-.080
-.075
-.070
-.065
-.060
-.045
+.020
-.028
+.032
-.020
+.035
+.050
+.060
+.062
+.068
+.075
+.076
+.079
+.082
+.083
+.083
+.084
+.084
+.085
+.086
+.087
+.088
+.090
+.091
+.092
+.093
+.094
+.095
+.095
+.096
+.097
+.099
+.101
+.103
+.105
+.108
+.110
+.110
+.110
+.110
+.110
+.110
+.110
+.110
o
TYPE
Note 1
Volts
1N6309US
1N6310US
1N6311US
1N6312US
1N6313US
1N6314US
1N6315US
1N6316US
1N6317US
1N6318US
1N6319US
1N6320US
1N6321US
1N6322US
1N6323US
1N6324US
1N6325US
1N6326US
1N6327US
1N6328US
1N6329US
1N6330US
1N6331US
1N6332US
1N6333US
1N6334US
1N6335US
1N6336US
1N6337US
1N6338US
1N6339US
1N6340US
1N6341US
1N6342US
1N6343US
1N6344US
1N6345US
1N6346US
1N6347US
1N6348US
1N6349US
1N6350US
1N6351US
1N6352US
1N6353US
1N6354US
1N6355US
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
10.0
11.0
12.0
13.0
15.0
16.0
18.0
20.0
22.0
24.0
27.0
30.0
33.0
36.0
39.0
43.0
47.0
51.0
56.0
62.0
68.0
75.0
82.0
91.0
100.0
110.0
120.0
130.0
150.0
160.0
180.0
200.0
Volts
1.1
1.2
1.3
1.5
1.8
2.0
2.4
2.8
3.3
4.3
5.2
6.0
6.6
7.5
8.4
9.1
10.0
11.0
11.9
13.8
14.7
16.6
18.5
20.4
22.3
25.2
28.0
30.9
33.7
36.6
40.4
44.2
48.0
52.7
58.4
64.1
70.8
77.4
86.0
94.5
104.0
113.0
122
141
151
170
189
mA
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
9.5
8.5
7.8
7.0
6.2
5.6
5.2
4.6
4.2
3.8
3.4
3.2
3.0
2.7
2.5
2.2
2.0
1.8
1.7
1.5
1.4
1.3
1.1
1.0
0.95
0.85
0.80
0.68
0.65
ohms
30
30
29
27
25
23
20
17
14
8
3
3
4
5
6
6
7
7
8
10
12
14
18
20
24
27
32
40
50
55
65
75
85
100
125
155
180
220
270
340
500
600
850
1,000
1,200
1,500
1,800
ohms
1,200
1,300
1,400
1,400
1,400
1,700
1,700
1,500
1,300
1,200
800
400
400
400
500
500
550
550
550
600
600
600
500
500
500
500
500
600
600
700
800
900
1,000
1,200
1,300
1,500
1,600
1,800
2,100
2,400
2,800
3,200
4,100
4,500
5,000
5,600
6,500
mA
177
157
141
128
117
108
99
90
83
76
68
63
57
52
47
43
39
35
33
28
27
24
21
19
18
16
14
13
12
11
9.9
9.0
8.3
7.6
6.8
6.3
5.7
5.2
4.7
4.3
3.9
3.5
3.3
2.8
2.7
2.4
2.1
Volts
1.50
1.50
1.50
1.60
1.60
1.60
0.90
0.50
0.40
0.40
0.30
0.35
0.40
0.40
0.50
0.50
0.50
0.55
0.55
0.70
0.75
0.85
0.95
1.05
1.15
1.30
1.45
1.60
1.75
1.90
2.10
2.25
2.50
2.70
2.90
3.20
3.40
3.80
4.20
4.40
4.80
5.20
5.60
7.00
7.50
9.00
12.00
NOTES:
1. Standard voltage tolerance is 5 percent. Tighter tolerances are available in plus/minus 1 and 2 percent voltage tolerances. (See
part
nomenclature.)
2. Voltage regulation V
Z(reg)
is the measured voltage change at thermal equilibrium between the current of 10% and 50% of Maximum Zener
Current I
ZM
when the lead temperature is maintained at 25
°C
= +8
°C,
-2
°C.
T4-LDS-0193-1, Rev. 1 (111899)
©2011 Microsemi Corporation
Page 3 of 6
1N6309US thru 1N6355DUS
GRAPHS
Maximum Power Dissipation - Milliwatts
T
EC
(
o
C) End Cap
FIGURE 1 - (1N6309US – 1N6320US)
T
EC
Temperature-Power Derating Curve
R
ӨJEC
= 35 C/W (dc operation)
o
Maximum Power Dissipation - Milliwatts
T
EC
(
o
C) End Cap
FIGURE 2 - (1N6321US – 1N6355US)
T
EC
Temperature-Power Derating Curve
R
ӨJEC
= 21 C/W (dc operation)
o
T4-LDS-0193-1, Rev. 1 (111899)
©2011 Microsemi Corporation
Page 4 of 6
1N6309US thru 1N6355DUS
GRAPHS (continued)
Maximum Power Dissipation - Milliwatts
T
PCB
(
o
C
) Ambient
FIGURE 3
T
PCB
Temperature-Power Derating Curve
R
ӨJA
= 240 C/W (dc operation)
o
T4-LDS-0193-1, Rev. 1 (111899)
©2011 Microsemi Corporation
Page 5 of 6
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