DIODES ZM4740A, ZM4741A, ZM4742A, ZM4731A, ZM4732A Datasheet
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ZM4728A - ZM4764A
1.0W SURFACE MOUNT ZENER DIODE
Features
1.0W Power Dissipation
·
3.9V - 100V Nominal Zener Voltages
·
Standard V
·
Tolerance is 5%
Z
Mechanical Data
Case: MELF, Glass
·
Terminals: Solderable per MIL-STD-202,
·
Method 208
Polarity: Cathode Band
·
Approx. Weight: 0.25 grams
·
Maximum Ratings
Characteristic Symbol Value Unit
Zener Current (see Table page 2)
Power Dissipation @ TA= 25°C
Thermal Resistance - Junction to Ambient Air
Forward Voltage @ IF= 200 mA
Operating & Storage Temperature Range
@ TA= 25°C unless otherwise specified
USE SMAZ SERIES (SMA PACKAGE)
NOT RECOMMENDED FOR NEW DESIGN,
R
T
j,TSTG
A
B
C
MELF
Dim Min Max
A
B
C
All Dimensions in mm
I
Z
P
d
qJA
V
F
4.80 5.20
2.40 2.60
0.55 Nominal
Pd/V
z
1W
170 K/W
1.2 V
-65 to +200 °C
mA
Notes: 1. Measured under thermal equilibrium and DC (IZT) test conditions.
2. The Zener impedance is derived from the 60Hz AC voltage which results when an AC current having an RMS value equal to
10% of the Zener current (I
sharp knee on the breakdown curve and to eliminate unstable units.
or IZK) is superimposed on IZTor IZK. Zener impedance is measured at two points to insure a
ZT
DS18009 Rev. 3 - 3 1 of 3 ZM4728A-ZM4764A
Electrical Characteristics
@ TA= 25°C unless otherwise specified
Nominal
Zener
Type
Number
ZM4728A 3.3 76 10 400 1.0 100 1.0 1380 276
ZM4729A 3.6 69 10 400 1.0 100 1.0 1260 252
ZM4730A 3.9 64 9.0 400 1.0 50 1.0 1190 234
ZM4731A 4.3 58 9.0 400 1.0 10 1.0 1070 217
ZM4732A 4.7 53 8.0 500 1.0 10 1.0 970 193
ZM4733A 5.1 49 7.0 550 1.0 10 1.0 890 178
ZM4734A 5.6 45 5.0 600 1.0 10 2.0 810 162
ZM4735A 6.2 41 2.0 700 1.0 10 3.0 730 146
ZM4736A 6.8 37 3.5 700 1.0 10 4.0 660 133
ZM4737A 7.5 34 4.0 700 0.5 10 5.0 605 121
ZM4738A 8.2 31 4.5 700 0.5 10 6.0 550 110
ZM4739A 9.1 28 5.0 700 0.5 10 7.0 500 100
ZM4740A 10 25 7.0 700 0.25 10 7.6 454 91
ZM4741A 11 23 8.0 700 0.25 5.0 8.4 414 83
ZM4742A 12 21 9.0 700 0.25 5.0 9.1 380 76
ZM4743A 13 19 10 700 0.25 5.0 9.9 344 69
ZM4744A 15 17 14 700 0.25 5.0 11.4 304 61
ZM4745A 16 15.5 16 700 0.25 5.0 12.2 285 57
ZM4746A 18 14 20 750 0.25 5.0 13.7 250 50
ZM4747A 20 12.5 22 750 0.25 5.0 15.2 225 45
ZM4748A 22 11.5 23 750 0.25 5.0 16.7 205 41
ZM4749A 24 10.5 25 750 0.25 5.0 18.2 190 38
ZM4750A 27 9.5 35 750 0.25 5.0 20.6 170 34
ZM4751A 30 8.5 40 1000 0.25 5.0 22.8 150 30
ZM4752A 33 7.5 45 1000 0.25 5.0 25.1 135 27
ZM4753A 36 7.0 50 1000 0.25 5.0 27.4 125 25
ZM4754A 39 6.5 60 1000 0.25 5.0 29.7 115 23
ZM4755A 43 6.0 70 1500 0.25 5.0 32.7 110 22
ZM4756A 47 5.5 80 1500 0.25 5.0 35.8 95 19
ZM4757A 51 5.0 95 1500 0.25 5.0 38.8 90 18
ZM4758A 56 4.5 110 2000 0.25 5.0 42.6 80 16
ZM4759A 62 4.0 125 2000 0.25 5.0 47.1 70 14
ZM4760A 68 3.7 150 2000 0.25 5.0 51.7 65 13
ZM4761A 75 3.3 175 2000 0.25 5.0 56.0 60 12
ZM4762A 82 3.0 200 3000 0.25 5.0 62.2 55 11
ZM4763A 91 2.8 250 3000 0.25 5.0 69.2 50 10
ZM4764A 100 2.5 350 3000 0.25 5.0 76.0 45 9.0
Voltage (1)
VZ@I
ZT
VmAWWmA µA V mA mA
Test
Current
I
ZT
Maximum Zener Impedance (2)
ZZT@IZTZZK@I
ZK
Maximum Reverse
Leakage Current
I
ZK
I
R
@V
R
Max Surge
Current
8.3ms
I
ZS
Maximum
Zener
Current
I
ZM
Notes: 1. Measured under thermal equilibrium and DC (IZT) test conditions.
2. The Zener impedance is derived from the 60Hz AC voltage which results when an AC current having an RMS value equal to
10% of the Zener current (I
sharp knee on the breakdown curve and to eliminate unstable units.
or IZK) is superimposed on IZTor IZK. Zener impedance is measured at two points to insure a
ZT
NOT RECOMMENDED FOR NEW DESIGN,
USE SMAZ SERIES (SMA PACKAGE)
DS18009 Rev. 3 - 3 2 of 3 ZM4728A-ZM4764A
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