1N746A SERIES
AXIAL LEAD ZENER DIODES
VOLTAGE
FEATURES
• Planar Die construction
• 500mW Power Dissipation
• Ideally Suited for Automated Assembly Processes
• Lead free in compliance with EU RoHS 2011/65/EU directive
3.3 to 12 Volt
POWER
500mWatt
MECHANICAL DATA
• Case: Molded Glass DO-35
• Terminals: Solderable per MIL-STD-750, Method 2026
• Approx. Weight: 0.00465 ounces, 0.131 grams
• Ordering information: Suffix : “ -35 ” to order DO-35 Package
• Packing information
B
- 2K per Bulk box
T/R - 10K per 15" plastic Reel
T/B - 5K per horiz. tape & Ammo box
1
2
Cathode
Anode
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS (T
A
=25
o
C unless otherwise noted)
Rating
Power Dissipation at T
A
= 25
O
C
Maximum Thermal Resistance Junction to Ambient Air (Notes 1)
Operating Junction Temperature Range
Storage Temperature Range
Symbol
P
TOT
R
JA
T
J
T
STG
Value
500
300
-55 to +175
-55 to +175
Units
mW
O
C/W
O
C
C
O
NOTES :
1. Valid provided that leads at a distance of 10mm from case are kept at ambient temperature.
February 22,2014-REV.01
PAGE . 1
1N746A SERIES
No mi na l Z e ne r V o lta g e
Part
Number
No m.V
1N746A
1N747A
1N748A
1N749A
1N750A
1N751A
1N752A
1N753A
1N754A
1N755A
1N756A
1N757A
1N758A
1N759A
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
12
V
Z
@ I
ZT
Mi n.V
3.135
3.420
3.705
4.085
4.465
4.845
5.320
5.890
6.460
7.125
7.790
8.645
9.50
11.4
Ma x.V
3.465
3.780
4.095
4.515
4.935
5.355
5.880
6.510
7.140
7.875
8.610
9.555
10.5
12.6
Ω
28
24
23
22
19
17
11
7
5
6
8
10
17
30
Max. Zener Impedance
Z
ZT
@ I
ZT
mA
20
20
20
20
20
20
20
20
20
20
20
20
20
20
μA
10
10
10
2
2
1
1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
Max. Reverse Leakage Current
I
R
@ V
R
V
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1N746A
1N747A
1N748A
1N749A
1N750A
1N751A
1N752A
1N753A
1N754A
1N755A
1N756A
1N757A
1N758A
1N759A
Marking
Code
P
D
, Power Dissipation (W)
0.5
0.4
0.3
0.2
0.1
0
0
25
50
75
100
125
150
175
180
C
J
, Junction
Capacitance (pF)
160
140
120
100
80
60
40
20
0
0
5
5.1V
12V
10
15
3.3V
T
A
, Ambient Temperature (°C)
V
Z
, Reverse Bias Voltage (V)
Fig.1 Steady-State Power Derating Curve
Fig.2 Typical Junction Capacitance
I
R
, Leakage Current (μA)
I
R
, Leakage Current (μA)
10
T
J
= 25°C
1
0.1
0.01
0.001
5.1V
0.0001
0
0.5
1
1.5
12V
3.3V
10
T
J
= 175°C
1
3.3 V
0.1
12 V
0.01
5.1V
0.001
0
0.5
1
1.5
V
R
, Reverse Voltage (V)
V
R
, Reverse Voltage (V)
Fig.3 Typical Leakage Characteristics
February 22,2014-REV.01
Fig.4 Typical Leakage Characteristics
PAGE . 2
1N746A SERIES
1000
I
F
, Forward Current (A)
50
I
Z
, Zener Current (mA)
T
J
= 175°C
100
T
J
= 150°C
45
40
35
30
25
20
15
10
5
0
0
5
3.3V
5.1V
12V
10
T
J
= 125°C
T
J
= 25°C
T
J
= 25°C
10
15
1
0.2
0.4
0.6
0.8
1
V
F
, Forward Voltage (V)
V
Z
, Zener Voltage (V)
Fig.5 Typical Forward Characteristics
Fig.6 Typical Zener Characteristics
50
I
Z
, Zener Current (mA)
45
40
35
30
25
20
15
10
5
0
0
5
10
15
T
J
= 175°C
3.3V
5.1V
12V
V
Z
, Zener Voltage (V)
Fig.7 Typical Zener Characteristics
February 22,2014-REV.01
PAGE . 3
1N746A SERIES
Part No_packing code_Version
1N746A_AX_10001
1N746A_AY_10001
1N746A_R2_10001
1N746A_B0_10001
For example :
RB500V-40_R2_00001
Serial number
Part No.
Version code means HF
Packing size code means 13"
Packing type means T/R
Packing Code
XX
Packing type
Tape and Ammunition Box
(T/B)
Tape and Reel
(T/R)
Bulk Packing
(B/P)
Tube Packing
(T/P)
Tape and Reel (Right Oriented)
(TRR)
Tape and Reel (Left Oriented)
(TRL)
FORMING
1
st
Code
A
R
B
T
S
L
F
Packing size code
N/A
7"
13"
26mm
52mm
PANASERT T/B CATHODE UP
(PBCU)
PANASERT T/B CATHODE DOWN
(PBCD)
Version Code
XXXXX
2
nd
Code
HF or RoHS
1
st
Code 2
nd
~5
th
Code
0
1
2
X
Y
U
D
HF
RoHS
0
1
serial number
serial number
February 22,2014-REV.01
PAGE . 4
1N746A SERIES
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•
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•
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•
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of fitness for particular purpose, non-infringement and merchantability.
•
Applications shown on the herein document are examples of standard use and operation.
Customers are responsible in comprehending the suitable use in particular applications.
Panjit International Inc. makes no representation or warranty that such applications will be
suitable for the specified use without further testing or modification.
•
The products shown herein are not designed and authorized for equipments requiring high
level of reliability or relating to human life and for any applications concerning life-saving
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February 22,2014-REV.01
PAGE . 5
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