DATA SHEET
SEMICONDUCTOR
http://www.yeashin.com 1 REV.02 20120305
ZM47xxA Series
1 Watt
D
L-41 Hermetically
Sealed Glass Zener Voltage
Regulators
Absolute Ma ximum Ratings
T
A
= 25°C unless otherwise noted
Parameter Value Units
Storage Temperature Range -65 to +200 °C
Maximum Junction Operating Temperature +175 °C
Total Device Dissipation 1.0 Watt
Thermal Resistance Junction to Ambient 170 °C / W
These ratings are limiting values above which the serviceability of the diode may be impaired.
Specification Features:
Zener Voltage Range 3.3 to 56 Volts
D
L-41 MELF Package (JEDEC DO-213AB)
Surface Mount Devices (SMD)
Hermetically Sealed Glass
Compression Bonded Construction
All external surfaces are corrosion resistant and leads are readily solderable
Cathode indicated by polarity band
Electrical Characteristics
T
A
= 25°C unless otherwise noted
Device Type
V
Z
@ I
ZT
(Volts)
Nominal
I
ZT
(mA)
Z
ZT
@ I
ZT
(Ω
)
Max
I
ZK
(mA)
Z
ZK
@ I
ZK
(Ω
)
Max
I
R
@ V
R
(µ
A)
Max
V
R
(Volts)
ZM4728A 3.3 76 10 1 400 100 1
ZM4729A 3.6 69 10 1 400 100 1
ZM4730A 3.9 64 9 1 400 50 1
ZM4731A 4.3 58 9 1 400 10 1
ZM4732A 4.7 53 8 1 500 10 1
ZM4733A 5.1 49 7 1 550 10 1
ZM4734A 5.6 45 5 1 600 10 2
ZM4735A 6.2 41 2 1 700 10 3
ZM4736A 6.8 37 3.5 1 700 10 4
ZM4737A 7.5 34 4 0.5 700 10 5
ZM4738A 8.2 31 4.5 0.5 700 10 6
ZM4739A 9.1 28 5 0.5 700 10 7
ZM4740A 10 25 7 0.25 700 10 7.6
ZM4741A 11 23 8 0.25 700 5 8.4
ZM4742A 12 21 9 0.25 700 5 9.1
ZM4743A 13 19 10 0.25 700 5 9.9
ZM4744A 15 17 14 0.25 700 5 11.4
ZM4745A 16 15.5 16 0.25 700 5 12.2
ZM4746A 18 14 20 0.25 700 5 13.7
ZM4747A 20 12.5 22 0.25 750 5 15.2
ZM4748A 22 11.5 23 0.25 750 5 16.7
Cathode
Anode
ELECTRICAL SYMBOL
SURFACE MOUNT
DL-41
DEVICE MARKING DIAGRAM
Cathode Band Color: Blue
