SECOS SMA5921

SMA5921 THRU SMA5945
VOLTAGE 6.8V ~ 68V
Elektronische Bauelemente
1.5 Watts Surface Mount Zener Diode
RoHS Compliant Product
A suffix of "-C" specifies halogen & lead-free
SMA
FEATURES
.
.
.
.
.
For surface mounted applications
1.5 W power dissipation
Low reverse current
Ideally suited for automated assembly processes
Epitaxial construction
Dimensions in
C
A
MECHANICAL DATA
. Case: Molded plastic
. Epoxy: UL 94V-0 rate flame retardant
. Metallurgically bonded construction
. Polarity: Color band denotes cathode end
. Mounting position: Any
. Weight: 0.064 grams
B
H
D
E
G
F
Millimeters
Dimensions in
Inches
A
1.25
1.65
0.049
0.065
B
3.99
4.60
0.157
0.181
C
2.50
2.90
0.098
0.114
D
1.98
2.44
0.078
0.096
E
0.051
0.203
0.002
0.008
F
G
4.78
5.28
0.188
0.208
0.76
1.52
0.030
0.060
H
0.152
0.305
0.006
0.012
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Rating 25 C ambient temperature unless otherwise specified.
O
Electrical Characteristics
Power Dissipation (Note 1)
Half sine-wave superimposed on rated load
JEDEC method (Note 2)
Operating junction and Storage Temperature
Symbol
Value
Unit
PD
1.5
W
IFSM
10
A
TJ, TSTG
-55 to +155
C
O
Note: (1) Mounted on 5.0mm2(.013mm thick) land areas.
(2) Measurd on 8.3ms, single half-sine wave or equivalent square wave, duty cycle = 4 pulses per minute maximum.
http://www.SeCoSGmbH.com/
01-Jun-2007 Rev. D
Any changing of specification will not be informed individual
Page 1 of 4
SMA5921 THRU SMA5945
VOLTAGE 6.8V ~ 68V
Elektronische Bauelemente
1.5 Watts Surface Mount Zener Diode
o
Electrical Characteristic (Ta=25 C)
Part No.
Vz
(V)
IzT
( mA )
ZZT
(Ohm)
ZZK
(Ohm)
IZK
( mA )
VR(V)
Surge
Current
( mA )
SMA5921B
6.8
55.1
2.5
200
1.0
2.5
5.2
221
SMA5922B
7.5
50.0
3.0
400
0.5
2.5
6.0
200
SMA5923B
8.2
45.7
3.5
400
0.5
2.5
6.5
183
SMA5924B
9.1
41.2
4.0
500
0.5
2.5
7.0
165
SMA5925B
10
37.5
4.5
500
0.25
2.5
8.0
150
SMA5926B
11
34.1
5.5
550
0.25
2.5
8.4
136
SMA5927B
12
31.2
6.5
550
0.25
0.5
9.1
125
SMA5928B
13
28.8
7.0
550
0.25
0.5
9.9
115
SMA5929B
15
25.0
9.0
600
0.25
0.5
11.4
100
SMA5930B
16
23.4
10
600
0.25
0.5
12.2
94
SMA5931B
18
20.8
12
650
0.25
0.5
13.7
83
SMA5932B
20
18.7
14
650
0.25
0.5
15.2
75
SMA5933B
22
17.0
17.5
650
0.25
0.5
16.7
68
SMA5934B
24
15.6
19
700
0.25
0.5
18.2
63
SMA5935B
27
13.9
23
700
0.25
0.5
20.6
56
SMA5936B
30
12.5
26
750
0.25
0.5
22.8
50
SMA5937B
33
11.4
33
800
0.25
0.5
25.1
45
SMA5938B
36
10.4
38
850
0.25
0.5
27.4
42
SMA5939B
39
9.6
45
900
0.25
0.5
29.7
38
SMA5940B
43
8.7
53
950
0.25
0.5
32.7
35
SMA5941B
47
8.0
67
1000
0.25
0.5
35.8
32
SMA5942B
51
7.3
70
1100
0.25
0.5
38.8
29
SMA5943B
56
6.7
86
1300
0.25
0.5
42.6
27
SMA5944B
62
6.0
100
1500
0.25
0.5
47.1
24
SMA5945B
68
5.5
120
1700
0.25
0.5
51.7
22
IR(uA) Max.
Suffix "B" for 5% tolerance.
http://www.SeCoSGmbH.com/
01-Jun-2007 Rev. D
Any changing of specification will not be informed individual
Page 2 of 4
SMA5921 THRU SMA5945
VOLTAGE 6.8V ~ 68V
Elektronische Bauelemente
1.5 Watts Surface Mount Zener Diode
RATING AND CHARACTERISTIC CURVES
FIG 2. ZENER VOLTAGE-TO 12 VOLTS
VZ, TEMPERATURE COEFFICIENT (mV/°C)
PD, MAXIMUM POWER DISSIPATION (Watts)
FIG 1. STEADY STATE POWERDERATING
5
4
1.5
1.0
0.5
0
25
0
50
75
100
125
150
8
VZ@IZT
6
4
2
0
-2
-4
175
3
4
TL,LEADTEMPERATURE(°C)
7
8
9
120
1000
VZ@IZT
100
80
60
40
20
0
20
40
60
80
100 120 140 160 180 200
VZ, ZENERVOLTAGE(VOLTS)
http://www.SeCoSGmbH.com/
01-Jun-2007 Rev. D
10
11
12
FIG 4. EFFECT OF ZENER CURRENT
ZZ, DYNAMIC IMPEDANCE (OHMS)
VZ, TEMPERATURE COEFFICIENT (mV/°C)
6
VZ,ZENERVOLTAGE(VOLTS)
FIG 3. ZENER VOLTAGE-10 TO 12 VOLTS
0
5
TJ - 25°C
IZ(ms) = 0.1 IZ(dc)
VZ = 150V
100
91V
62V
10
22V
12V
6.8V
1
0.5
1
1.0
100
100
IZ , ZENER TEST CURRENT (mA)
Any changing of specification will not be informed individual
Page 3 of 4
SMA5921 THRU SMA5945
VOLTAGE 6.8V ~ 68V
Elektronische Bauelemente
1.5 Watts Surface Mount Zener Diode
PPK, PEAK SURGE POWER (Watts)
ZZ, DYNAMIC IMPEDANCE (ohms)
1K
200
Iz(dc) =1mA
100
70
50
30
20
10mA
10
7
5
3
20mA
2
5
7
Iz(ms) = 0.1Iz(dc)
10
20
30
50
70
O
300
200
100
50
30
20
10
0.1 0.2 0.3
100
VZ, ZENER VOLTAGE (VOLTS)
5
1
2 3 5
0
20
50
100
PW, PULSE WIDTH (ms)
Fig 6.VZ=12 THRU 82 VOLTS
Fig 5. VZ = 6.8 THRU 10 VOLTS
100
100
50
30
20
IZ, ZENER CURRENT (mA)
IZ, ZENER CURRENT (mA)
RECTANGULAR NONREPETITIVE
WAVEFORM TJ = 25 C PRIOR TO
INITIAL PULSE
500
10
5
3
2
1
0.5
0.3
0.2
50
30
20
10
5
3
2
1
0.5
0.3
0.2
0.1
0.1
0
1
2
3
4
5
6
7
8
9
10
VZ, ZENER VOLTAGE (VOLTS)
http://www.SeCoSGmbH.com/
01-Jun-2007 Rev. D
0
10 20 30 40
50 60 70
80 90 100
VZ, ZENER VOLTAGE (VOLTS)
Any changing of specification will not be informed individual
Page 4 of 4