General Semiconductor SML4744, SML4745, SML4746, SML4747, SML4748 Datasheet
...
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 ZZTat
(NOTE 1) (NOTE 2)
at 200mA
CODE
(NOTE 1)
I
ZT
I
ZT
ZZKat I
ZK
I
ZK
I
R
V
R
I
RM
V
F
(Volts) (mA) (Ohms) (Ohms) (mA) (µA) (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:
250°C/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: TJ, T
STG
: -55°C to +150°C
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
=75°C
Ratings at 25°C 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 102030405060708090100
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(AV)
, AVERAGE POWER
DISSIPATION, WATTS
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
INSTANTANEOUS FORWARD CURRENT,
AMPERES
INSTANTANEOUS REVERSE CURRENT,
MICROAMPERES
INSTANTANEOUS FORWARD VOLTAGE,
VOLTS
FIG. 5 - TYPICAL TEMPERATURE COEFFICIENTS
ΘV
Z
, TEMPERATURE COEFFICIENT,
mV/°C
TJ=25°C
TJ=25°C
TJ=25°C
PULSE WIDTH=300µs
1% DUTYCYCLE
TESTED at RATED I
ZT
P.C B. MOUNTED ON
0.31 x 0.31 x0.08” (8 x 8 x 2mm)
COPPER AREAS PADS
60 H
Z
RESISTIVE OR
INDUCTIVE LOAD
TJ=100°C
PERCENT OF RATED ZENER VOLTAGE, %
VZ=56V
VZ=91V
VZ=30V
VZ=6.2V
VZ,ZENER VOLTAGE, VOLTS
Loading...