PAGE . 1November 25,2011-REV.03
DL4728A SERIES
FEATURES
• Low profile package
• Built-in strain relief
• Low inductance
• In compliance with EU RoHS 2002/95/EC directives
MECHANICAL DATA
• Case: Molded Glass MELF / DL-41
• Terminals: Solderable per MIL-STD-750, Method 2026
• Polarity: Color band denotes cathode end
• Approx. Weight: 0.16 grams
• Mounting Position: Any
• Packing information
T/R - 5K per 13" paper Reel
SURFACE MOUNT ZENER DIODES
3.3 to 100 V olts 1 Watts
POWER
VOLTAGE
MAXIMUM RA TINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25°C ambient temperature unless otherwise specified.
Parameter Symbol Value Units
Power Dissipation at T
A
= 25
O
C
P
TOT
1* W
Operating Juncti on Temperature Range
T
J
-65 to +200
O
C
Storage Temperature Range
T
STG
-65 to +200
O
C
*Valid provided that leads at a distance of 10mm from case are kept at ambient temperature.
Parameter Symbol Min. Typ. Max. Units
Thermal Resistance Junction to A mbient Air
R
θJA
--
--
170*
o
C/W
Forward Voltage at I
F
= 200mA
V
F
--
--
1.2 V
*Valid provi ded that leads at a distance of 10mm from case are kept at ambient temperature.
Notes :
STANDARD VOLTAGE T OLERANCE IS + 5% AND :
SUFFIX “A” FOR + 5%
SUFFIX “B” FOR + 2%
SUFFIX “C” FOR + 3%
PAGE . 2November 25,2011-REV.03
DL4728A SERIES
Part Number Maximum Zener Voltage Maximum Zener Impedance M axi mum Leakage
Current
V
Z
@
I
ZT
Z
ZT
@
I
ZT
Z
ZK
@
I
ZK
I
R
@V
R
Nom. V Min. V Max. V ΩmA ΩmA μA V
1 Watt Zener Diodes (Glass Sealed Envelope)
DL4728A 3.3 3.14 3.47 10 76 400 1100 1
DL4729A 3.6 3.42 3.78 10 69 400 1100 1
DL4730A 3.9 3.71 4.1 964 400 150 1
DL4731A 4.3 4.09 4.52 958 400 110 1
DL4732A 4.7 4.47 4.94 853 500 110 1
DL4733A 5.1 4.85 5.36 749 550 110 1
DL4734A 5.6 5.32 5.88 545 600 110 2
DL4735A 6.2 5.89 6.51 241 700 110 3
DL4736A 6.8 6.46 7.14 3.5 37 700 110 4
DL4737A 7.5 7.13 7.88 434 700 0.5 10 5
DL4738A 8.2 7.79 8.61 4.5 31 700 0.5 10 6
DL4739A 9.1 8.65 9.56 528 700 0.5 10 7
DL4740A 10 9.5 10.5 725 700 0.25 10 7.6
DL4741A 11 10.45 11.55 823 700 0.25 58.4
DL4742A 12 11.4 12.6 921 700 0.25 59.1
DL4743A 13 12.35 13.65 10 19 700 0.25 59.9
DL4744A 15 14.25 15.75 14 17 700 0.25 511.4
DL4745A 16 15.2 16.8 16 15.5 700 0.25 512.2
DL4746A 18 17.1 18.9 20 14 750 0.25 513.7
DL4747A 20 19 21 22 12.5 750 0.25 515.2
DL4748A 22 20.9 23.1 23 11.5 750 0.25 516.7
DL4749A 24 22.8 25.2 25 10.5 750 0.25 518.2
DL4750A 27 25.65 28.35 35 9.5 750 0.25 520.6
DL4751A 30 28.5 31.5 40 8.5 1000 0.25 522.8
DL4752A 33 31.35 34.65 45 7.5 1000 0.25 525.1
DL4753A 36 34.2 37.8 50 71000 0.25 527.4
DL4754A 39 37.05 40.95 60 6.5 1000 0.25 529.7
DL4755A 43 40.85 45.15 70 61500 0.25 0.5 32.7
DL4756A 47 44.65 49.35 80 5.5 1500 0.25 0.5 35.8
DL4757A 51 48.45 53.55 95 51500 0.25 0.5 38.8
DL4758A 56 53.2 58.8 110 4.5 2000 0.25 0.5 42.6
DL4759A 62 58.9 65.1 125 4.0 2000 0.25 0.5 47.1
DL4760A 68 64.6 71.4 150 3.7 2000 0.25 0.5 51.7
DL4761A 75 71.25 78.75 175 3.3 2000 0.25 0.5 56
DL4762A 82 77.9 86.1 200 33000 0.25 0.5 62.2
DL4763A 91 86.45 95.55 250 2.8 3000 0.25 0.5 69.2
DL4764A 100 95 105 350 2.5 3000 0.25 0.5 76
PAGE . 3November 25,2011-REV.03
DL4728A SERIES
FIG. 1 POWER DERATING CURVE
500
0.2
0.4
0.6
0.8
1.0
100 150 200 250
AMBIENT TEMPERATURE, C
O
POWER DISSIPATION, Watts
Fig.2 BREAKDOWN CHARACTERISTICS
Vz (V)
4728
4731
4732
4733
4735
4739
4741
4742
4744
4747
4748
4749
4750
510 15 20 25
0
Iz (mA)
20
40
60
80
100
30
RATING AND CHARACTERISTIC CURVES
PAGE . 4
MOUNTING P AD LA YOUT
• Packing information
T/R - 5K per 13" plastic Reel
T/R - 1.5K per 7" plastic Reel
ORDER INFORMA TION
LEGAL ST ATEMENT
Copyright PanJit International, Inc 2012
The information presented in this document is believed to be accurate and reliable. The specifications and information herein
are subject to change without notice. Pan Jit makes no warranty, representation or guarantee regarding the suitability of its
products for any particular purpose. Pan Jit products are not authorized for use in life support devices or systems. Pan Jit
does not convey any license under its patent rights or rights of others.
DL4728A SERIES
November 25,2011-REV.03
