Pb
RoHS
COMPLIANCE
RoHS
COMPLIANCE
ZM4728A - ZM4758A
1.0 Watt Hermetically Sealed Glass
Zener Voltage Regulators
MELF
Features
Zener voltage range 3.3V to 56 V
MELF Package (JEDEC DO-213AB)
Surface mount devices (SMD).
Hemetically sealed glass
Compression bonded construction
All extemal surfaces are corrosion resistant
and terminals are readily solderable
RoHS compliant
Matte Tin (Sn) lead finish
Color band indicates negative polarity
Dimensions in inches and (millimeters)
Maximum Ratings and Electrical Characteristics
Rating at 25 oC ambient temperature unless otherwise specified.
Maximum Ratings
Type Number Symbol Value Units
Power Dissipation Pd 1.0 W
Thermal Resistance Junction to Ambient RӨJA 170 OC/W
Storage Temperature Range TSTG -65 to + 200 OC
Operating Temperature Range TJ 175 OC
These ratings are limiting values above which the serviceability of the diode may be impaired.
Version: A07
ELECTRICAL CHARACTERISTICS (TA=25OC unless otherwise noted)
Type
V
Z @ IZT ZZT @ IZT IR @ VR
Numbe
r
(Volts) IZT Ohms IZK ZZK @ IZK uA
VR
Nominal mA Max mA Ohms Max V
ZM4728A 3.3 76 10 1.0 400 100 1.0
ZM4729A 3.6 69 10 1.0 400 100 1.0
ZM4730A 3.9 64 9 1.0 400 50 1.0
ZM4731A 4.3 58 9 1.0 400 10 1.0
ZM4732A 4.7 53 8 1.0 500 10 1.0
ZM4733A 5.1 49 7 1.0 550 10 1.0
ZM4734A 5.6 45 5 1.0 600 10 2.0
ZM4735A 6.2 41 2 1.0 700 10 3.0
ZM4736A 6.8 37 3.5 1.0 700 10 4.0
ZM4737A 7.5 34 4.0 0.5 700 10 5.0
ZM4738A 8.2 31 4.5 0.5 700 10 6.0
ZM4739A 9.1 28 5.0 0.5 700 10 7.0
ZM4740A 10 25 7.0 0.25 700 10 7.6
ZM4741A 11 23 8.0 0.25 700 5.0 8.4
ZM4742A 12 21 9.0 0.25 700 5.0 9.1
ZM4743A 13 19 10 0.25 700 5.0 9.9
ZM4744A 15 17 14 0.25 700 5.0 11.4
ZM4745A 16 15.5 16 0.25 700 5.0 12.2
ZM4746A 18 14.0 20 0.25 700 5.0 13.7
ZM4747A 20 12.5 22 0.25 750 5.0 15.2
ZM4748A 22 11.5 23 0.25 750 5.0 16.7
ZM4749A 24 10.5 25 0.25 750 5.0 18.2
ZM4750A 27 9.5 35 0.25 750 5.0 20.6
ZM4751A 30 8.5 40 0.25 1000 5.0 22.8
ZM4752A 33 7.5 45 0.25 1000 5.0 25.1
ZM4753A 36 7.0 50 0.25 1000 5.0 27.4
ZM4754A 39 6.5 60 0.25 1000 5.0 29.7
ZM4755A 43 6.0 70 0.25 1500 5.0 32.7
ZM4756A 47 5.5 80 0.25 1500 5.0 35.8
ZM4757A 51 5.0 95 0.25 1500 5.0 38.8
ZM4758A 56 4.5 110 0.25 2000 5.0 42.6
Notes: 1. The device numbers listed have a standard tolerance on the nominal zener
volta
g
e of ±5%.
2. For detailed information on price, availability and delivery of nominal zener
volta
g
es between the volta
g
es shown and ti
g
hter volta
g
e tolerances
.
3. The zener impedance is derived from the 60-cycle ac voltage, which results
when an ac current havin
g
an ms value e
q
ual to 10% of the dc zener curren
t
(IZT or IZK) is superimposed to IZT or IZK.
Version: A07
Mouser Electronics
Authorized Distributor
Click to View Pricing, Inventory, Delivery & Lifecycle Information:
Taiwan Semiconductor:
ZM4728A ZM4729A ZM4730A ZM4731A ZM4732A ZM4733A ZM4734A ZM4735A ZM4736A ZM4737A
ZM4738A ZM4739A ZM4740A ZM4741A ZM4742A ZM4743A ZM4744A ZM4745A ZM4746A ZM4747A
ZM4748A ZM4749A ZM4750A ZM4751A ZM4752A ZM4753A ZM4754A ZM4755A ZM4756A ZM4757A
ZM4758A
