SMAZ3V3 - SMAZ39
1.0W SURFACE MOUNT ZENER DIODE
POWER SEMICONDUCTOR
Features
•
•
•
•
•
•
1.0W Power Dissipation
High Surge Capability
Ideally Suited for Automatic Assembly
3.3V - 39V Nominal Zener Voltage Range
Standard V
Z
Tolerance is ± 5%
Plastic Material: UL Flammability
Classification Rating 94V-0
B
Dim
A
B
C
D
SMA
Min
2.29
4.00
1.27
0.15
4.80
0.10
0.76
2.01
Max
2.92
4.60
1.63
0.31
5.59
0.20
1.52
2.62
A
C
Mechanical Data
•
•
•
•
•
•
Case: SMA, Molded Plastic
Terminals: Solderable per MIL-STD-202,
Method 208
Marking: Marking Code (See Table on Page 2)
Polarity: Cathode Notch or Cathode Band
Weight: 0.064 grams (approx.)
Mounting Position: Any
@T
A
= 25°C unless otherwise specified
Symbol
I
Z
@ 200mA
@ 50°C
V
F
P
d
R
θJL
R
θJA
T
j
, T
STG
Value
Pd / V
Z
1.2
1.0
8.0
30
120
-65 to +175
D
J
E
G
H
H
G
E
J
All Dimensions in mm
Maximum Ratings
Characteristic
Zener Current (see Table page 2)
Forward Voltage
Power Dissipation
Derate Above 50°C (Note 1)
Unit
mA
V
W
mW/°C
K/W
K/W
°C
Typical Thermal Resistance - Junction to Lead (Note 1)
Typical Thermal Resistance - Junction to Ambient (Note 1)
Operating and Storage Temperature Range
Notes:
1. Valid provided that terminals are kept at ambient temperature.
2. Tested with I
ZT
current pulses. Pulse width
≤
50ms.
DS18015 Rev. E-2
1 of 3
SMAZ3V3 - SMAZ39
Electrical Characteristics
@T
A
= 25°C unless otherwise noted
Test
Maximum Zener Impedance
Current
I
ZT
Max (V)
3.46
3.78
4.09
4.51
4.93
5.35
5.88
6.51
7.14
7.88
8.61
9.56
10.50
12.60
15.75
16.80
18.90
21.00
23.10
25.20
28.35
31.50
34.65
37.80
40.95
mA
100
100
100
100
100
100
100
100
100
100
100
50
50
50
50
25
25
25
25
25
25
25
25
10
10
Z
ZT
@
I
ZT
W
10
9.0
7.5
6.0
5.0
5.0
2.0
2.0
2.0
2.0
2.0
4.0
4.0
7.0
10
15
15
15
15
15
15
15
15
40
40
Z
ZK
W
500
500
500
500
500
500
250
200
200
450
200
200
200
150
150
150
150
180
180
180
200
250
300
350
450
@
I
ZK
Zener Voltage
Range (Note 2)
Type
Number
Marking
Code
Nom (V)
V
Z
@ I
ZT
Min (V)
3.13
3.42
3.705
4.08
4.46
4.84
5.32
5.89
6.46
7.13
7.79
8.65
9.50
11.40
14.25
15.20
17.10
19.00
20.90
22.80
25.65
28.50
31.35
34.20
37.05
Maximum
Reverse Current
I
R
@ V
R
µA
100
75
25
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
1.0
1.0
1.0
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
V
1.0
1.0
1.0
1.0
1.5
2.0
3.0
4.0
5.0
6.0
6.5
7.0
8.3
9.1
11.4
12.2
13.7
15.2
16.7
18.2
20.5
22.8
25.1
27.4
29.6
I
ZSM
Max
(Note 1)
25°C
A
12.1
11.1
10.2
9.1
8.5
7.8
7.1
6.4
5.9
5.4
4.9
4.4
3.6
3.3
2.7
2.5
2.2
2.0
1.8
1.6
1.4
1.1
1.0
0.9
1.0
125°C
mA
564
517
477
433
395
364
330
300
275
250
220
205
170
155
130
115
105
94
86
78
69
62
56
52
48
mA
1.0
1.0
1.0
1.0
1.0
1.0
2.0
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
SMAZ3V3
SMAZ3V6
SMAZ3V9
SMAZ4V3
SMAZ4V7
ZGW
ZGZ
ZHA
ZHF
ZHG
ZHK
ZHL
ZHN
ZHO
ZHQ
ZHR
ZHT
ZHU
ZHW
ZHZ
ZJA
ZJF
ZJG
ZJK
ZJL
ZJN
ZJQ
ZJR
ZJS
ZJT
3.3
3.6
3.9
4.3
4.7
5.1
5.60
6.20
6.80
7.50
8.20
9.10
10.00
12.00
15.00
16.00
18.00
20.00
22.00
24.00
27.00
30.00
33.00
36.00
39.00
SMAZ5V1
SMAZ5V6
SMAZ6V2
SMAZ6V8
SMAZ7V5
SMAZ8V2
SMAZ9V1
SMAZ10
SMAZ12
SMAZ15
SMAZ16
SMAZ18
SMAZ20
SMAZ22
SMAZ24
SMAZ27
SMAZ30
SMAZ33
SMAZ36
SMAZ39
Notes:
1. Valid provided that device terminals are kept at ambient temperature.
2. Tested with I
ZT
current pulses. Pulse width
≤
50ms.
DS18015 Rev. E-2
2 of 3
SMAZ3V3 - SMAZ39
1.2
1000
SMAZ5V6
1.0
P
pk
PEAK POWER (W)
C
j
, JUNCTION CAPACITANCE (pF)
SMAZ12
0.8
100
SMAZ27
0.6
0.4
10
0.2
0
0
50
100
150
175
T
A
, AMBIENT TEMPERATURE
°
C
Fig. 1 Power Dissipation vs Ambient Temperature
20
T
j
= 25
°
C
0
1
10
100
200
V
R
, REVERSE VOLTAGE (V)
Fig. 2 Junction Capacitance vs Reverse Voltage
2000
1000
T
j
= 125
°
C
I
FM
, PEAK FORWARD CURRENT (A)
10
I
R
, LEAKAGE CURRENT (µA)
0
0.5
1.0
1.5
2.0
2.5
100
10
1
1
0.1
0.01
0.1
0.001
1
10
100
500
V
FM
, PEAK FORWARD VOLTAGE (V)
Fig. 3 Peak Forward Current vs Peak Forward Voltage
V
ZT
, ZENER REGULATION VOLTAGE (V)
Fig. 4 Leakage Current vs Regulation Voltage
1000
R
ZT
, DIFFERENTIAL RESISTANCE (
Ω
)
I
ZT
= 5.0mA
100
I
ZT
= 10mA
10
I
ZT
= 20mA
1
I
ZT
= 100mA
0.1
1
10
100
500
V
ZT
, ZENER REGULATION VOLTAGE (V)
Fig. 5 Differential Resistance vs Regulation Voltage
DS18015 Rev. E-2
3 of 3
SMAZ3V3 - SMAZ39
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