PAGE . 1
October 16,2018-REV.05
1SMA5921~1SMA5945
FEATURES
• For surface mounted applications in order to optimize board space
• Glass passivated junction
• Low inductance
• Typical I
R
less than 1µA above 12V
• Plastic package has Underwriters Laboratory Flammability
Classification 94V-O
• High temperature soldering : 260°C /10 seconds at terminals
• Lead free in compliance with EU RoHS 2.0
• Green molding compound as per IEC 61249 standard
MECHANICAL DATA
• Case: JEDEC DO-214AC, Molded plastic over passivated junction
• Terminals: Solder plated, solderable per MIL-STD-750, Method 2026
• Polarity: Color band denotes cathode end
• Standard Packaging: 12mm tape (EIA-481)
• Weight: 0.0023 ounces, 0.0679 grams
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25°C ambient temperature unless otherwise specified.
NOTES :
A.Mounted on 5mm
2
(0.013mm thick) land areas.
B.Measured on 8.3ms, and single half sine-wave or equivalent square wave ,duty cycle=4 pulses per minute maximum.
1.5 Watt
Parameter Symbol Value Units
Pwak Pulse Power Dissipation on T
L
=75
O
C (Notes A)
Derate above 75
O
C
P
D
1.5
20
W atts
mW/
O
C
Peak Forward Surge Current 8.3ms single half sine-wave
superimposed on rated load (Notes B)
I
FSM
10 Amps
Operating Junction and Storage Temperature Range
T
J
,T
STG
-55 to + 150
O
C
SURFACE MOUNT SILICON ZENER DIODE
VOLTAGE
6.8 to 68 Volt
POWER
PAGE . 2
October 16,2018-REV.05
1SMA5921~1SMA5945
Part Number
Nominal Zener Voltage
M aximum Ze ner I mpedanc e
Max. Reverse
Leakage Current
Ma rk ing
Co d e
V @ I
Z @ I
Z @ I
I
V
Nom V
M inV
Ma x V
Ω
mA
Ω
mA
μA
V
1SMA5921
6.8
6.46
7.14
3
55.1
200
1
5
5.2
921A
1SMA5922
7.5
7.13
7.88
3
50
400
0.5
5
6
922A
1SMA5923
8.2
7.79
8.61
4
45.7
400
0.5
5
6.5
923A
1SMA5924
9.1
8.65
9.56
4
41.2
500
0.5
5
7
924A
1SMA5925
10
9.5
10.5
5
37.5
500
0.25
5
8
925A
1SMA5926
11
10.45
11.55
6
34.1
550
0.25
1
8.4
926A
1SMA5927
12
11.4
12.6
7
31.2
550
0.25
1
9.1
927A
1SMA5928
13
12.35
13.65
7
28.8
550
0.25
1
9.9
928A
1SMA5929
15
14.25
15.75
9
25
600
0.25
1
11.4
929A
1SMA5930
16
15.2
16.8
10
23.4
600
0.25
1
12.2
930A
1SMA5931
18
17.1
18.9
12
20.8
650
0.25
1
13.7
931A
1SMA5932
20
19
21
14
18.7
650
0.25
1
15.2
932A
1SMA5933
22
20.9
23.1
18
17
650
0.25
1
16.7
933A
1SMA5934
24
22.8
25.2
19
15.6
700
0.25
1
18.2
934A
1SMA5935
27
25.65
28.35
23
13.9
700
0.25
1
20.6
935A
1SMA5936
30
28.5
31.5
26
12.5
750
0.25
1
22.8
936A
1SMA5937
33
31.35
34.65
33
11.4
800
0.25
1
25.1
937A
1SMA5938
36
34.2
37.8
38
10.4
850
0.25
1
27.4
938A
1SMA5939
39
37.05
40.95
45
9.6
900
0.25
1
29.7
939A
1SMA5940
43
40.85
45.15
53
8.7
950
0.25
1
32.7
940A
1SMA5941
47
44.65
49.35
67
8
1000
0.25
1
35.8
941A
1SMA5942
51
48.45
53.55
70
7.3
1100
0.25
1
38.8
942A
1SMA5943
56
53.2
58.8
86
6.7
1300
0.25
1
42.6
943A
1SMA5944
62
58.9
65.1
100
6
1500
0.25
1
47.1
944A
1SMA5945
68
64.6
71.4
120
5.5
1700
0.25
1
51.7
945A
Z
ZT
ZT
ZT
ZK ZK R R