1/20/99
NOMINAL
ZENER
MAXIMUM DYNAMIC
MAXIMUM
MAXIMUM
VOLTAGE
IMPEDANCE
MAXIMUM DC REVERSE
SURGE
FORWARD
DEVICE
at I
ZT
TEST
LEAKAGE CURRENT
CURRENT
VOLTAGE
TYPE
MARKING
V
Z
CURRENT
Z
ZT
at
(NOTE 1)
(NOTE 2)
at 200mA
CODE
(NOTE 1)
I
ZT
I
ZT
Z
ZK
at I
ZK
I
ZK
I
R
V
R
I
RM
V
F
(Volts)
(mA)
(Ohms)
(Ohms)
(mA)
(
A) (Volts)
(mApk)
(Volts)
SML4735
6P2
6.2
41.0
2.0
700
1.0
50.0
3.0
730.0
1.2
SML4736
6P8
6.8
37.0
3.5
700
1.0
20.0
4.0
660.0
1.2
SML4737
7P5
7.5
34.0
4.0
700
0.5
10.0
5.0
605.0
1.2
SML4738
8P2
8.2
31.0
4.5
700
0.5
10.0
6.0
550.0
1.2
SML4739
9P1
9.1
28.0
5.0
700
0.5
10.0
7.0
500.0
1.2
SML4740
10
10
25.0
7.0
700
0.25
10.0
7.6
454.0
1.2
SML4741
11
11
23.0
8.0
700
0.25
5.0
8.4
414.0
1.2
SML4742
12
12
21.0
9.0
700
0.25
5.0
9.1
380.0
1.2
SML4743
13
13
19.0
10.0
700
0.25
5.0
9.9
344.0
1.2
SML4744
15
15
17.0
14.0
700
0.25
5.0
11.4
305.0
1.2
SML4745
16
16
15.5
16.0
700
0.25
5.0
12.2
285.0
1.2
SML4746
18
18
14.0
20.0
750
0.25 5.0
13.7
250.0
1.2
SML4747
20
20
12.5
22.0
750
0.25
5.0
15.2
225.0
1.2
SML4748
22
22
11.5
23.0
750
0.25
5.0
16.7
205.0
1.2
SML4749
24
24
10.5
25.0
750
0.25
5.0
18.2
190.0
1.2
SML4750
27
27
9.5
35.0
750
0.25
5.0
20.6
170.0
1.2
SML4751
30
30
8.5
40.0
1000
0.25
5.0
22.8
150.0
1.2
SML4752
33
33
7.5
45.0
1000
0.25
5.0
25.1
135.0
1.2
SML4753
36
36
7.0
50.0
1000
0.25
5.0
27.4
125.0
1.2
SML4754
39
39
6.5
60.0
1000
0.25
5.0
29.7
115.0
1.2
SML4755
43
43
6.0
70.0
1500
0.25
5.0
32.7
110.0
1.2
SML4756
47
47
5.5
80.0
1500
0.25
5.0
35.8
95.0
1.2
SML4757
51
51
5.0
95.0
1500
0.25
5.0
38.8
90.0
1.2
SML4758
56
56
4.5
110.0
2000
0.25
5.0
42.6
80.0
1.2
SML4759
62
62
4.0
125.0
2000
0.25
5.0
47.1
70.0
1.2
SML4760
68
68
3.7
150.0
2000
0.25
5.0
51.7
65.0
1.2
SML4761
75
75
3.3
175.0
2000
0.25
5.0
56.0
60.0
1.2
SML4762
82
82
3.0
200.0
3000
0.25
5.0
62.2
55.0
1.2
SML4763
91
91
2.0
250.0
3000
0.25
5.0
69.2
50.0
1.2
SML4735 THRU SML4763A
SURFACE MOUNT GLASS PASSIVATED ZENER
Zener Voltage - 6.2 to 91.0 Volts Steady State Power - 1.0 Watt
FEATURES
Plastic package has Underwriters Laboratory Flammability
Classification 94V-0
For surface mounted applications
Glass passivated chip junction
Low Zener impedance
Low regulation factor
High temperature soldering guaranteed:
250C/10 seconds at terminals
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 positive end (cathode)
Mounting Position: Any
Weight: 0.002 ounce, 0.064 gram
0.157 (3.99)
0.177 (4.50)
0.006 (0.152)
0.012 (0.305)
0.030 (0.76)
0.060 (1.52)
0.008 (0.203) MAX.
0.194 (4.93)
0.208 (5.28)
0.100 (2.54)
0.110 (2.79)
0.078 (1.98)
0.090 (2.29)
0.049 (1.25)
0.065 (1.65)
DO-214AC
Dimensions are in inches and (millimeters)
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
OPERATING JUNCTION AND STORAGE TEMPERATURE RANGE: T
J
, T
STG
: -55C to +150C
NOTES:
(1) Standard voltage tolerance is 10%, Suffix A
5%
(2) Surge current is a non-repetitive, 8.3ms pulse width square wave or
equivalent sine-wave superimposed on I
ZT
per JEDEC Method
(3) Maximum steady state power dissipation is 1.0 watt at T
T
=75C
Ratings at 25C ambient temperature unless otherwise specified.
25
50
75
100
125
150
175
0
0.25
0.5
0.75
1.0
0.5
10
100
500
1
10
100
1,000
0.4
0.6
0.8
1.0
1.2
1.4
1.6
0.01
0.1
1
10
0
20
40
60
80
100
0.01
0.1
1
10
0
10
20
30
40
50
60
70
80
90 100
0
10
30
50
70
90
110
RATINGS AND CHARACTERISTIC CURVES SML4735 THRU SML4763A
FIG. 1 - MAXIMUM CONTINUOUS
POWER DISSIPATION
TERMINALS TEMPERATURE, C
P
M(A
V)
, A
VERAGE
POWER
DISSIP
A
TION, W
A
TTS
FIG. 2 - TYPICAL ZENER IMPEDANCE
I
ZT
, ZENER TEST CURRENT, mA
Zz, DYNAMIC ZENER IMPEDANCE,
OHMS
FIG. 3 - TYPICAL INSTANTANEOUS FORWARD
CHARACTERISTICS FOR SML4763
FIG. 4 - TYPICAL REVERSE CHARACTERISTICS
INST
ANT
ANEOUS FOR
W
ARD CURRENT
,
AMPERES
INST
ANT
ANEOUS REVERSE CURRENT
,
MICROAMPERES
INSTANTANEOUS FORWARD VOLTAGE,
VOLTS
FIG. 5 - TYPICAL TEMPERATURE COEFFICIENTS
V
Z
, TEMPERA
TURE
COEFFICIENT
,
mV/C
T
J
=25C
T
J
=25C
T
J
=25C
PULSE WIDTH=300
s
1% DUTY CYCLE
TESTED at RATED I
ZT
P.C B. MOUNTED ON
0.31 x 0.31 x 0.08" (8 x 8 x 2mm)
COPPER AREAS PADS
60 H
Z
RESISTIVE OR
INDUCTIVE LOAD
T
J
=100C
PERCENT OF RATED ZENER VOLTAGE, %
V
Z
=56V
V
Z
=91V
V
Z
=30V
V
Z
=6.2V
V
Z,
ZENER VOLTAGE, VOLTS
PDF 
ZIP