PANJIT 1SMA4757

1SMA4736~1SMA4757
SURFACE MOUNT SILICON ZENER DIODE
VOLTAGE
6.8 to 51 Volts
POWER
1.0 Watts
SMA/DO-214AC
Unit: inch (mm)
FEATURES
• For surface mounted applications in order to optimize board space.
.114(2.90)
.098(2.50)
• Low profile package
• Built-in strain relief
.062(1.60)
.047(1.20)
• Glass passivated junction
• Low inductance
• Typical IR less than 5.0µA above 11V
.181(4.60)
.157(4.00)
• Plastic package has Underwriters Laboratory Flammability
Classification 94V-O
.012(.305)
.006(.152)
.096(2.44)
• In compliance with EU RoHS 2002/95/EC directives
.078(2.00)
• High temperature soldering : 260°C /10 seconds at terminals
MECHANICALDATA
.060(1.52)
.030(0.76)
• Case: JEDEC DO-214AC,Molded plastic over passivated junction.
• Terminals: Solder plated,solderable per MIL-STD-750, Method 2026
• Polarity: Color band denotes positive end (cathode)
.008(.203)
.002(.051)
.208(5.28)
.188(4.80)
• Standard Packaging:12mm tape (EIA-481)
• Weight: 0.002 ounce, 0.064 gram
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25°C ambient temperature unless otherwise specified.
Parameter
Symbol
Value
Uni ts
Pwak Pulse Power Di ssi pati on on TA=50OC (Notes A)
D erate above 50O C
PD
1.0
6.67
W atts
mW/ O C
Peak Forward Surge C urrent 8.3ms si ngle half si ne-wave
superi mposed on rated load (JED EC method)
IFSM
10
Amps
TJ,TSTG
-55 to + 150
Operati ng Juncti on and Storage Temperature Range
O
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%.
STAD-DEC.22.2006
PAGE . 1
1SMA4736~1SMA4757
N o m i n a l Ze n e r Vo l t a g e
Part Number
V Z @ I ZT
N o m. V
Max Reverse
Leakage Current
M a x i m u m Ze n e r I m p e d a n c e
Z ZT @ I ZT
Z ZK @ I ZK
I R @ VR
Min . V
Ma x . V
Ω
mA
Ω
mA
u A Ma x
V
Ma rk in g
Code
1.0 Watt ZENER
1SMA4736
6.8
6.46
7.14
3.5
37
700
1
5
4
736B
1SMA4737
7.5
7.13
7.88
4
34
700
0.5
5
5
737B
1SMA4738
8.2
7.79
8.61
4.5
31
700
0.5
5
6
738B
1SMA4739
9.1
8.65
9.56
5
28
700
0.5
0.5
7
739B
1SMA4740
10
9.5
10.5
7
25
700
0.25
0.5
7.6
740B
1SMA4741
11
10.45
11.55
8
23
700
0.25
0.1
8.4
741B
1SMA4742
12
11.4
12.6
9
21
700
0.25
0.1
9.1
742B
1SMA4743
13
12.35
13.65
10
19
700
0.25
0.1
9.9
743B
1SMA4744
15
14.25
15.75
14
17
700
0.25
0.1
11.4
744B
1SMA4745
16
15.2
16.8
16
15.5
700
0.25
0.1
12.2
745B
1SMA4746
18
17.1
18.9
20
14
750
0.25
0.1
13.7
746B
1SMA4747
20
19
21
22
12.5
750
0.25
0.1
15.2
747B
1SMA4748
22
20.9
23.1
23
11.5
750
0.25
0.1
16.7
748B
1SMA4749
24
22.8
25.2
25
10.5
750
0.25
0.1
18.2
749B
1SMA4750
27
25.65
28.35
35
9.5
750
0.25
0.1
20.6
750B
1SMA4751
30
28.5
31.5
40
8.5
1000
0.25
0.1
22.8
751B
1SMA4752
33
31.35
34.65
45
7.5
1000
0.25
0.1
25.1
752B
1SMA4753
36
34.2
37.8
50
7
1000
0.25
0.1
27.4
753B
1SMA4754
39
37.05
40.95
60
6.5
1000
0.25
0.1
29.7
754B
1SMA4755
43
40.85
45.15
70
6
1500
0.25
0.1
32.7
755B
1SMA4756
47
44.65
49.35
80
5.5
1500
0.25
0.1
35.8
756B
1SMA4757
51
48.45
53.55
95
5
1500
0.25
0.1
38.8
757B
P D , MAXIMUM POWER DISSIPATION (WATTS)
RATING AND CHARACTERISTICS CURVES
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
200
O
T L , LEAD TEMPERATURE ( C)
FIGURE.1 POWER TEMPERATURE DERATING CURVE
STAD-DEC.22.2006
PAGE . 2
1SMA4736~1SMA4757
STAD-DEC.22.2006
PAGE . 3
1SMA4736~1SMA4757
STAD-DEC.22.2006
PAGE . 4
1SMA4736~1SMA4757
MOUNTING PAD LAYOUT
ORDER INFORMATION
• Packing information
T/R - 7.5K per 13" plastic Reel
T/R - 1.8Kper 7” plastic Reel
LEGAL STATEMENT
Copyright PanJit International, Inc 2007
The information presented in this document is believed to be accurate and reliable. The specifications and information herein
are subject to change without notice. Pan Jit makes no warranty, representation or guarantee regarding the suitability of its
products for any particular purpose. Pan Jit products are not authorized for use in life support devices or systems. Pan Jit
does not convey any license under its patent rights or rights of others.
STAD-DEC.22.2006
PAGE . 5