1SMA4736-AU~1SMA4757-AU
SURFACE MOUNT SILICON ZENER DIODE
VOLTAGE
FEATURES
• Built-in strain relief
• Low inductance
• Plastic package has Underwriters Laboratory Flammability
Classification 94V-O
• High temperature soldering : 260°C /10 seconds at terminals
• Acqire quality system certificate : TS16949
•
AEC-Q101 qualified
• Lead free in comply with EU RoHS 2011/65/EU directives
• Green molding compound as per IEC61249 Std. . (Halogen Free)
0.060(1.52)
0.030(0.76)
0.008(0.203)
0.002(0.051)
0.208(5.28)
0.188(4.80)
0
.
012(0
.
305)
0
.
006(0.152)
0.062(1.60)
0.047(1.20)
0.114(2.90)
0.098(2.50)
0.181(4.60)
0.157(4.00)
6.8 to 51 Volts
POWER
1 Watts
• For surface mounted applications in order to optimize board space
• Glass passivated junction
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 ounce, 0.0679 gram
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25°C ambient temperature unless otherwise specified.
Parameter
Peak Pulse Power Dissipation on T
A
=50
O
C (Notes A)
Derate above 50
O
C
Peak Forward Surge Current 8.3ms single half sine-wave
superimposed on rated load (JEDEC method)
Operating Junction and Storage Temperature Range
Symbol
Value
1.0
10
-55 to + 150
Units
W atts
Amps
O
P
D
I
FSM
T
J
,T
STG
C
NOTES:
A. Mounted on 5.0mm2 (.013mm thick) land areas.
B. Measured on8.3ms, and single half sine-wave or equivalent square wave ,duty cycle=4 pulses per minute maximum.
C. Tolerance and Type Number Designation. The type numbers listed have a standard tolerance on the nominal zener
voltage of ± 5%.
December 4,2012-REV.07
PAGE . 1
1SMA4736-AU~1SMA4757-AU
N o min a l Ze n e r Vo lta g e
Part Number
N o m. V
V
Z
@ I
ZT
Min . V
Max . V
Ω
Max imu m Zen e r Imp ed an c e
Z
ZT
@ I
ZT
mA
Ω
Z
ZK
@ I
ZK
mA
Max Reverse
Leakage Current
I
R
@ V
R
μ
A Ma x
V
Mark in g
Code
1 Watt ZENER
1SMA4736-AU
1SMA4737-AU
1SMA4738-AU
1SMA4739-AU
1SMA4740-AU
1SMA4741-AU
1SMA4742-AU
1SMA4743-AU
1SMA4744-AU
1SMA4745-AU
1SMA4746-AU
1SMA4747-AU
1SMA4748-AU
1SMA4749-AU
1SMA4750-AU
1SMA4751-AU
1SMA4752-AU
1SMA4753-AU
1SMA4754-AU
1SMA4755-AU
1SMA4756-AU
1SMA4757-AU
6.8
7.5
8.2
9.1
10
11
12
13
15
16
18
20
22
24
27
30
33
36
39
43
47
51
6.46
7.13
7.79
8.65
9.5
10.45
11.4
12.35
14.25
15.2
17.1
19
20.9
22.8
25.65
28.5
31.35
34.2
37.05
40.85
44.65
48.45
7.14
7.88
8.61
9.56
10.5
11.55
12.6
13.65
15.75
16.8
18.9
21
23.1
25.2
28.35
31.5
34.65
37.8
40.95
45.15
49.35
53.55
3.5
4
4.5
5
7
8
9
10
14
16
20
22
23
25
35
40
45
50
60
70
80
95
37
34
31
28
25
23
21
19
17
15.5
14
12.5
11.5
10.5
9.5
8.5
7.5
7
6.5
6
5.5
5
700
700
700
700
700
700
700
700
700
700
750
750
750
750
750
1000
1000
1000
1000
1500
1500
1500
1
0.5
0.5
0.5
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
5
5
5
0.5
0.5
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
4
5
6
7
7.6
8.4
9.1
9.9
11.4
12.2
13.7
15.2
16.7
18.2
20.6
22.8
25.1
27.4
29.7
32.7
35.8
38.8
736B
737B
738B
739B
740B
741B
742B
743B
744B
745B
746B
747B
748B
749B
750B
751B
752B
753B
754B
755B
756B
757B
RATING AND CHARACTERISTICS CURVES
P
D
, MAXIMUM POWER DISSIPATION (WATTS)
1.0
L=LEAD LENGTH
TO HEAT SINK
0.75
0.5
0.25
0
0
20
40
60
80 1 0 0
120
140 160 180
O
200
T
L
, LEAD TEMPERATURE ( C)
FIGURE.1 POWER TEMPERATURE DERATING CURVE
December 4,2012-REV.07
PAGE . 2
1SMA4736-AU~1SMA4757-AU
b-RAMGE FPRIMOTSTP 12 TO 51 VOLTS
December 4,2012-REV.07
PAGE . 3
1SMA4736-AU~1SMA4757-AU
December 4,2012-REV.07
PAGE . 4
1SMA4736-AU~1SMA4757-AU
MOUNTING PAD LAYOUT
ORDER INFORMATION
• Packing information
T/R - 7.5K per 13" plastic Reel
T/R - 1.8K per 7" plastic Reel
December 4,2012-REV.07
PAGE . 5
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