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LL-34 Hermetically
Sealed Glass Zener Voltage Regulators
FEATURES
• Zener Voltage Range 2.4 to 56 Volts
• LL-34 (Mini-MELF) Package
• Surface Device Type Mounting
• 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
LLZ5221B THRU LLZ5263B
REVERSE VOLTAGE – 2.4 to 56 Volts
POWER DISSIPATION – 0.5 Watts
LL-34
LL-34
DIM.
MIN. MAX.
A
3.30
3.60
B
1.40
1.50
C
0.35
0.5
All Dimensions in millimeter
Maximum Ratings & Thermal Characteristics @ TA = 25unless otherwise specified
Characteristic
Symbol
Value
Power Dissipation
PD
Storage Temperature Range
TSTG
Operating Junction Temperature
TOPR
These ratings are limiting values above which the serviceability of the diode may be impaired
500
-65 to +200
+200
Unit
mW
°C
°C
Device Marking :
Device P/N
Marking
Pin Diagram
Equivalent Circuit Diagram
LLZ52xxB
N/A
1
2
Electrical Characteristics @ TA = 25unless otherwise specified
Symbol
Parameter
VZ Reverse Zener Voltage @ IZT
IZT Reverse Current
ZZT Maximum Zener Impedance @ IZT
IZK Reverse Current
ZZK Maximum Zener Impedance @ IZK
IR Reverse Leakage Current @ VR
VR Reverse Voltage
IF Forward Current
VF Forward Voltage @ IF
REV.0, Aug-2011, KSJR03

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Electrical Characteristics
Device Type
LLZ5221B
LLZ5222B
LLZ5223B
LLZ5224B
LLZ5225B
LLZ5226B
LLZ5227B
LLZ5228B
LLZ5229B
LLZ5230B
LLZ5231B
LLZ5232B
LLZ5233B
LLZ5234B
LLZ5235B
LLZ5236B
LLZ5237B
LLZ5238B
LLZ5239B
LLZ5240B
LLZ5241B
LLZ5242B
LLZ5243B
LLZ5244B
LLZ5245B
LLZ5246B
LLZ5247B
LLZ5248B
LLZ5249B
LLZ5250B
LLZ5251B
LLZ5252B
LLZ5253B
LLZ5254B
LLZ5255B
LLZ5256B
LLZ5257B
LLZ5258B
LLZ5259B
LLZ5260B
LLZ5261B
LLZ5262B
LLZ5263B
VZ @ IZT
(Volts)
Nominal
2.4
2.5
2.7
2.8
3
3.3
3.6
3.9
4.3
4.7
5.1
5.6
6
6.2
6.8
7.5
8.2
8.7
9.1
10
11
12
13
14
15
16
17
18
19
20
22
24
25
27
28
30
33
36
39
43
47
51
56
TA = 25°C unless otherwise noted
IZT
(mA)
ZZT @IZT
()
Max
20 30
20 30
20 30
20 30
20 29
20 28
20 24
20 23
20 22
20 19
20 17
20 11
20 7
20 7
20 5
20 6
20 8
20 8
20 10
20 17
20 22
20 30
9.5 13
9 15
8.5 16
7.8 17
7.4 19
7 21
6.6 23
6.2 25
5.6 29
5.2 33
5 35
4.6 41
4.5 44
4.2 49
3.8 58
3.4 70
3.2 80
3 93
2.7 105
2.5 125
2.2 150
VF Forward Voltage = 1.1 V Maximum @ IF = 200 mA for all types
ZZK @IZK= 0.25mA
()
Max
1200
1250
1300
1400
1600
1600
1700
1900
2000
1900
1600
1600
1600
1000
750
500
500
600
600
600
600
600
600
600
600
600
600
600
600
600
600
600
600
600
600
600
700
700
800
900
1000
1100
1300
IR @ VR
(µ A)
Max
100
100
75
75
50
25
15
10
5
5
5
5
5
5
3
3
3
3
3
3
2
1
0.5
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
0.1
0.1
0.1
0.1
0.1
0.1
Notes:
1. The type numbers listed have zener voltage as shown and have a standard tolerance on the nominal zener voltage of ±5% in
Blue marking,
2. For detailed information on price, availability and delivery of nominal zener voltages between the voltages shown and tighter
voltage tolerances, contact your nearest Liteon Semiconductor Corp. representative.
3. The zener impedance is derived from the 60-cycle ac voltage, which results when an ac current having an rms value equal to
10% of the dc zener current (IZT or IZK) is superimposed to IZT or IZK.
VR
(Volts)
1
1
1
1
1
1
1
1
1
2
2
3
3.5
4
5
6
6.5
6.5
7
8
8.4
9.1
9.9
10
11
12
13
14
14
15
17
18
19
21
21
23
25
27
30
33
36
39
43

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Legal Disclaimer Notice
LLZ5221B THRU LLZ5263B
Important Notice and Disclaimer
LSC reserves the right to make changes to this document and its products and specifications
at any time without notice. Customers should obtain and confirm the latest product
information and specifications before final design, purchase or use.
LSC makes no warranty, representation or guarantee regarding the suitability of its products
for any particular purpose, nor does LSC assume any liability for application assistance or
customer product design. LSC does not warrant or accept any liability with products which
are purchased or used for any unintended or unauthorized application.
No license is granted by implication or otherwise under any intellectual property rights of
LSC.
LSC products are not authorized for use as critical components in life support devices or
systems without express written approval of LSC.