MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25
o
C ambient temperature unless otherwise specified.
Single phase, half wave, 60 Hz, resistive or inductive load.
For capacitive load, derate current by 20%.
DL5221B
THRU
DL5261B
RECTIFIER SPECIALISTS
R
DC COMPONENTS CO., LTD.
TECHNICAL SPECIFICATIONS
OF
GLASS SILICON ZENER DIODES
SYMBOL VALUE UNITS
Zener Current see Table "Characterisitics"
Power Dissipation at Tamb=25
o
C Ptot 500
(1)
mW
Junction Temperature Tj 175
o
C
Storage Temperature Range Tstg -55 to + 175
o
C
K/mW
Thermal Resistance
RthA
- Typ.
Junction to Ambient Air - Min.
0.3
(1)
Max.
Volts
Forward Voltage
VF
- Typ.
at IF=100mA - Min.
1 Max.
1)Valid Provided that leads are kept at ambient temperature at a distance of 10 mm from case.
NOTE: Suffix "B" indicates Zener Voltage Tolerance ± 5%
FEATURES
MECHANICAL DATA
* Case: Glass sealed case Micro Melf
* Terminals: Solder plated, solderable per
MIL-STD-750, Method 2026 guaranteed
* Polarity: Color band denotes cathode end
* Mounting position: Any
* Weight: 0.05 grams Approx.
* Voltage Range:2.4V to 47V
* Double slug type construction
Dimensions in inches and (millimeters)
Mini Melf(DL-35)
.063(1.6)
.055(1.4)
.146(3.7)
.130(3.3)
.020(0.5)
.012(0.3)
CATHODE MARK
.020(0.5)
.012(0.3)
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Breakdown characteristics
DL52 SERIES
mA
50
40
30
20
10
0
IZ
VZ
1N5252
1N5250
1N5245
1N5242
1N5241
1N5239
1N5235
1N5234
1N5232
1N5231
1N5230
1N5229
1N5228
1N5224
Test Current
IZ 20mA
changes in the power dissipation
due to the ambient temperature.
500
400
300
200
100
Pd(mw)
Ta(
o
C)
Ambient Temperature.
Power dissipation
5V 10V 15V 20V 25V 30V
50 100 150 200 250
RATING AND CHARACTERISTIC CURVES (DL5221B THRU DL5261B)
NOTE: Standard Zener Voltage Tolerance ± 5%
DL5221B 2.4 20 30 1200 0.25 100 1.0
DL5222B 2.5 20 30 1250 0.25 100 1.0
DL5223B 2.7 20 30 1300 0.25 75 1.0
DL5225B 3.0 20 30 1600 0.25 50 1.0
DL5226B 3.3 20 28 1600 0.25 25 1.0
DL5227B 3.6 20 24 1700 0.25 15 1.0
DL5228B 3.9 20 23 1900 0.25 10 1.0
DL5229B 4.3 20 22 2000 0.25 5 1.0
DL5230B 4.7 20 19 1900 0.25 5 2.0
DL5231B 5.1 20 17 1600 0.25 5 2.0
DL5232B 5.6 20 11 1600 0.25 5 3.0
DL5233B 6.0 20 9 1600 0.25 5 3.5
DL5234B 6.2 20 7 1000 0.25 5 4.0
DL5235B 6.8 20 5 750 0.25 3 5.0
DL5236B 7.5 20 6 500 0.25 3 6.0
DL5237B 8.2 20 8 500 0.25 3 6.0
DL5238B 8.7 20 9 600 0.25 3 6.5
DL5239B 9.1 20 10 600 0.25 3 6.5
DL5240B 10 20 17 600 0.25 3 8.0
DL5241B 11 20 22 600 0.25 3 8.4
DL5242B 12 20 30 600 0.25 2 9.1
DL5243B 13 9.5 13 600 0.25 1 9.9
DL5244B 14 9.0 14 600 0.25 0.5 10
DL5245B 15 8.5 16 600 0.25 0.1 11
DL5246B 16 7.8 17 600 0.25 0.1 12
DL5247B 17 7.4 19 600 0.25 0.1 13
DL5248B 18 7.0 21 600 0.25 0.1 14
DL5249B 19 6.6 23 600 0.25 0.1 14
DL5250B 20 6.2 25 600 0.25 0.1 15
DL5251B 22 5.6 29 600 0.25 0.1 17
DL5252B 24 5.2 33 600 0.25 0.1 18
DL5253B 25 5.0 36 600 0.25 0.1 19
DL5254B 27 4.6 41 600 0.25 0.1 21
DL5255B 28 4.5 44 600 0.25 0.1 21
DL5256B 30 4.2 49 600 0.25 0.1 23
DL5257B 33 3.8 58 700 0.25 0.1 25
DL5258B 36 3.4 70 700 0.25 0.1 27
DL5259B 39 3.2 80 800 0.25 0.1 30
DL5260B 43 3.0 93 900 0.25 0.1 33
DL5261B 47 2.7 150 1000 0.25 0.1 36
TYPE
Maximum Reverse
Leakage Current
I
R @
V
R
µA Volts
Maximum Zener
Impedance
Z
ZT@
I
ZT
Z
ZK@
I
ZK
Ohms Ohms
Nominal
Zener
Voltage
V
Z@
I
ZT
Volts
Zener
Test
Current
I
ZT
mA
I
ZK
mA
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