FCI 1SMA5925B

1SMA5921B~5945B
Data Sheet
1.5 WATTS
Surface Mount Zener Diode
Mechanical Dimensions
Description
.055(1.40)
.062(1.60)
.098(2.50)
.114(2.90)
.157(4.00)
.181(4.60)
.006(.152)
.012(.305)
.078(2.00)
.096(2.44)
.030(0.76)
.060(1.52)
.002(.051)
.008(.203)
.188(4.80)
.208(5.28)
Dimensions in inches and (millimeters)
SMA/DO-214AC
Features
¬ For surface mounted applications
¬ 1.5 W power dissipation
¬ Ideally suited for automated assembly
processes
Mechanical Data
¬ Case: Molded plastic SMA/DO-214AC
¬ Epoxy: UL 94V-0 rate flame retardant
¬ Terminals: Solderable per MIL-STD-750
method 2026
¬ Polarity: cathode band
¬ Mounting position: Any
¬ Weight: 0.064 gram
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
o
Rating at 25 C ambient temperature unless otherwise specified.
Power Dissipation (Note 1)
Half sine-wave superimposed on rated load
(Note 2)
(JEDEC method)
Operating junction and Storage Temperature
Range
NOTES :
2
SYMBOL
VALUE
UNIT
PD
1.5
W
IFSM
10
A
TJ, TSTG
-55 to +150
(1) Mounted on 5.0mm (.013mm thick) land areas.
(2) Measurd on 8.3ms, single half-sine wave or equivalent square wave, duty cycle = 4 pulses per minute maximum.
o
C
1.5 WATTS
Surface Mount Zener Diode
Data Sheet
1SMA5921B THRU SMA5945B
o
Part No.
Vz
(V)
Electrical Characteristic (Ta=25 C)
IR(uA) Max.
IzT
ZZT
ZZK
IZK
( mA ) (Ohm) (Ohm) ( mA )
VR(V)
Surge
Current
( mA )
1SMA5921B
6.8
55.1
2.5
200
1.0
2.5
5.2
221
1SMA5922B
7.5
50.0
3.0
400
0.5
2.5
6.0
200
1SMA5923B
8.2
45.7
3.5
400
0.5
2.5
6.5
183
1SMA5924B
9.1
41.2
4.0
500
0.5
2.5
7.0
165
1SMA5925B
10
37.5
4.5
500
0.25
2.5
8.0
150
1SMA5926B
11
34.1
5.5
550
0.25
2.5
8.4
136
1SMA5927B
12
31.2
6.5
550
0.25
0.5
9.1
125
1SMA5928B
13
28.8
7.0
550
0.25
0.5
9.9
115
1SMA5929B
15
25.0
9.0
600
0.25
0.5
11.4
100
1SMA5930B
16
23.4
10
600
0.25
0.5
12.2
94
1SMA5931B
18
20.8
12
650
0.25
0.5
13.7
83
1SMA5932B
20
18.7
14
650
0.25
0.5
15.2
75
1SMA5933B
22
17.0
17.5
650
0.25
0.5
16.7
68
1SMA5934B
24
15.6
19
700
0.25
0.5
18.2
63
1SMA5935B
27
13.9
23
700
0.25
0.5
20.6
56
1SMA5936B
30
12.5
26
750
0.25
0.5
22.8
50
1SMA5937B
33
11.4
33
800
0.25
0.5
25.1
45
1SMA5938B
36
10.4
38
850
0.25
0.5
27.4
42
1SMA5939B
39
9.6
45
900
0.25
0.5
29.7
38
1SMA5940B
43
8.7
53
950
0.25
0.5
32.7
35
1SMA5941B
47
8.0
67
1000
0.25
0.5
35.8
32
1SMA5942B
51
7.3
70
1100
0.25
0.5
38.8
29
1SMA5943B
56
6.7
86
1300
0.25
0.5
42.6
27
1SMA5944B
62
6.0
100
1500
0.25
0.5
47.1
24
1SMA5945B
68
5.5
120
1700
0.25
0.5
51.7
22
Suffix B for 5%, Suffix "A" for 10%
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
0
25
50
75
100
125
TL,LEADTEMPERATURE(°C)
150
175
8
VZ@IZT
6
4
2
0
-2
-4
3
4
5
6
7
8
9
10
VZ,ZENERVOLTAGE(VOLTS)
11
12
1.5 WATTS
Surface Mount Zener Diode
Data Sheet
FIG 4. EFFECT OF ZENER CURRENT
120
ZZ, DYNAMIC IMPEDANCE (OHMS)
1000
VZ@IZT
100
80
60
40
20
0
0
20
40
60
80
100 120 140 160 180 200
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
VZ, ZENERVOLTAGE(VOLTS)
100
100
IZ , ZENER TEST CURRENT (mA)
200
PPK, PEAK SURGE POWER (watts)
1K
ZZ, DYNAMIC IMPEDANCE (ohms)
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
RECTANGULAR NONREPETITIVE
WAVEFORM TJ = 25oC PRIOR TO
INITIAL PULSE
500
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
PW, PULSE WIDTH (ms)
Fig 6.VZ=12 THRU 82 VOLTS
Fig 5. VZ = 6.8 THRU10VOLTS
100
100
50
30
20
IZ, ZENER CURRENT (mA)
IZ, ZENER CURRENT (mA)
VZ, TEMPERATURE COEFFICIENT (mV/°C)
FIG 3. ZENER VOLTAGE-10 TO 12 VOLTS
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)
0
10 20 30 40
50 60 70
80 90 100
VZ, ZENER VOLTAGE (VOLTS)
100