Number: DB-226
Nov, 2010 / A
Page 1
S EMICO N D U C TOR
1 Watt LL-41 Hermetically
Sealed Glass Zener Voltage
Regulators
Absolute Maximum 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
LL-41 MELF Package (JEDEC DO-213AB)
Surface Mount Devices (SMD)
Hermetically Sealed Glass
Compression Bonded Construction
All External Surfaces Are Corrosion Resistant And Terminals Are Readily Solderable
RoHS Compliant
Matte Tin (Sn) Lead Finish
Color band Indicates Negative Polarity
Electrical Characteristics T
A
= 25°C unless otherwise noted
Device Type
V
Z
@ I
ZT
(Volts)
Nominal
I
ZT
(mA)
Z
ZT
@ I
ZT
()
Max
I
ZK
(mA)
Z
ZK
@ I
ZK
()
Max
I
R
@ V
R
(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
ELECTRICAL SYMBOL
SURFACE MOUNT
LL-41
