LLZ5221B – LLZ5263B
Pb
RoHS
COMPLIANCE
500mW Hermetically Sealed Glass Zener
Voltage Regulators
MINI MELF
Features
Zener voltage range 2.4 to 56 volts
Mini-MELF package
Surface device type mounting
Hermetically sealed glass
Compression bonded construction
All external surfaces are corrosion
resistant and leads 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
o
C ambient temperature unless otherwise specified.
Type Number
Power Dissipation
Maximum Forward Voltage @ IF=200mA
Storage Temperature Range
Operating Junction Temperature
Symbol
Pd
V
F
T
STG
T
J
Value
500
1.1
-65 to + 200
+ 200
Units
mW
V
O
C
O
C
Version: A07
ELECTRICAL CHARACTERISTICS
(TA=25 C
O
unless otherwise noted)
Z
ZK @
I
ZK
= 0.25mA
I
R @
V
R
(uA)
Max
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
Device
V
z
@ I
zt
(Volts)
Nom
20
22
24
25
27
28
30
33
36
39
43
47
51
56
Z
ZT @
I
ZT
I
ZT
mA
6.2
5.6
5.2
5.0
5.0
4.5
4.2
3.8
3.4
3.2
3.0
2.7
2.5
2.2
Ω
Max
25
29
33
35
41
44
49
58
70
80
93
105
125
150
Ω
Max
600
600
600
600
600
600
600
700
700
800
900
1000
1100
1300
V
R
Volts
15
17
18
19
21
21
23
25
27
30
33
36
39
43
LLZ5250B
LLZ5251B
LLZ5252B
LLZ5253B
LLZ5254B
LLZ5255B
LLZ5256B
LLZ5157B
LLZ5258B
LLZ5259B
LLZ5260B
LLZ5261B
LLZ5262B
LLZ5263B
Notes:
1. The type numbers listed have zener voltage as shown and have a standard
tolerance on the nominal zener voltae of
±5%
in Blue marking, suffix A=±10%
in Orange marking and D=±1% in Yellow marking.
2. For detailed information on price, availability and deliver of nominal zener voltages
between the voltages shown and tighter voltage tolerances.
3. The zener impedance is derived from the 60-cycle ac voltage, which results when
an ac current having an ms value equal to 10% of the dc zener current
(I
ZT
or I
ZK
) is superimposed to I
ZT
or I
ZK
.
Version: A07
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