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DATA SHEET
DL4728A~DL4764A
SURFACE MOUNT ZENER DIODES
VOLTAGE
FEATURES
* Low profile package * Built-in strain relief * Low inductance * In compliance with EU RoHS 2002/95/EC directives
.102(2.6)DIA.
3.3 to 100 Volts
POWER
1.0 Watts
MELF/DL-41
Unit : inch (mm)
MECHANICALDATA
* Case: Molded Glass MELF / DL-41 * Terminals: Solderable per MIL-STD-750, Method 2026 * Polarity: See Diagram Below * Approx. Weight: 0.16 grams * Mounting Position: Any * Packing information T/R - 5K per 13" paper Reel
.020(0.5) .012(0.3) .216(5.5) .201(5.1)
.020(0.5) .012(0.3)
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25C ambient temperature unless otherwise specified.
Parameter Power Dissipation at Tamb = 25 Junction Temperature Storage Temperature Range
O
Symbol
Value 1* 150 -65 to + 200
Units W
O
C
PTOT TJ TSTG
.110(2.8)
O
C C
*Valid provided that leads at a distance of 10mm from case are kept at ambient temperature.
Parameter Thermal Resistance Junction to Ambient Air Forward Voltage at IF = 200mA
Symbol
Min. ---
Typ.
Max. 170* 1.2
Units K/W V
RJA VF
---
*Valid provided that leads at a distance of 10mm from case are kept at ambient temperature.
STAD-FEB.26.2007
PAGE . 1
M a x i m u m Ze n e r Vo l t a g e Part Number
N o m. V V Z @ IZT Min . V Ma x . V
M a x i m u m Ze n e r I m p e d a n c e
ZZT @ IZT mA ZZK @ IZK mA
M a x i m u m L eakag e Current
IR @ VR uA V
1.0 w att Zener Diodes (Glass Sealed Envelope)
D L4728A D L4729A D L4730A D L4731A D L4732A D L4733A D L4734A D L4735A D L4736A D L4737A D L4738A D L4739A D L4740A D L4741A D L4742A D L4743A D L4744A D L4745A D L4746A D L4747A D L4748A D L4749A D L4750A D L4751A D L4752A D L4753A D L4754A D L4755A D L4756A D L4757A D L4758A D L4759A D L4760A D L4761A D L4762A D L4763A D L4764A 3.3 3.6 3.9 4.3 4.7 5.1 5.6 6.2 6.8 7.5 8.2 9.1 10.0 11.0 12.0 13.0 15.0 16.0 18.0 20.0 22.0 24.0 27.0 30.0 33.0 36.0 39.0 43.0 47.0 51.0 56.0 62.0 68.0 75.0 82.0 91.0 100.0 3.1 3.4 3.7 4.1 4.5 4.8 5.3 5.9 6.5 7.1 7.8 8.6 9.5 10.5 11.4 12.4 14.3 15.2 17.1 19.0 20.9 22.8 25.7 28.5 31.4 34.2 37.1 40.85 44.65 48.45 53.2 58.9 64.6 71.25 77.9 86.45 95.0 3.5 3.8 4.1 4.5 4.9 5.4 5.9 6.5 7.1 7.9 8.6 9.6 10.5 11.6 12.6 13.7 15.8 16.8 18.9 21.0 23.1 25.2 28.4 31.5 34.7 37.8 41.0 45.15 49.35 53.55 58.8 65.1 71.4 78.75 86.1 95.55 105.0 10.0 10.0 9.0 9.0 8.0 7.0 5.0 2.0 3.5 4.0 4.5 5.0 7.0 8.0 9.0 10.0 14.0 16.0 20.0 22.0 23.0 25.0 35.0 40.0 45.0 50.0 60.0 70.0 80.0 95.0 110.0 125.0 150.0 175.0 200.0 250.0 350.0 76.0 69.0 64.0 58.0 53.0 49.0 45.0 41.0 37.0 34.0 31.0 28.0 25.0 23.0 21.0 19.0 17.0 15.5 14.0 12.5 11.5 10.5 9.5 8.5 7.5 7.0 6.5 6.0 5.5 5.0 4.5 4.0 3.7 3.3 3.0 2.8 2.5 400 400 400 400 500 550 600 700 700 700 700 700 700 700 700 700 700 700 750 750 750 750 750 1000 1000 1000 1000 1500 1500 1500 2000 2000 2000 2000 3000 3000 3000 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 0.50 0.50 0.50 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 100 100 50 10 10 10 10 10 10 10 10 10 10 5 5 5 5 5 5 5 5 5 5 5 5 5 5 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 1.0 1.0 1.0 1.0 1.0 1.0 2.0 3.0 4.0 5.0 6.0 7.0 7.6 8.4 9.1 9.9 11.4 12.2 13.7 15.2 16.7 18.2 20.6 22.8 25.1 27.4 29.7 32.7 35.8 38.8 42.6 47.1 51.7 56.0 62.2 69.2 76.0
STAD-FEB.26.2007
PAGE . 2
RATING AND CHARACTERISTIC CURVES
POWER DISSIPATION, Watts
1.0 0.8 0.6 0.4 0.2
0
50
100
150
200
O
250
AMBIENT TEMPERATURE, C
FIG. 1 POWER DERATING CURVE
Vz (V)
Iz (mA)
100 80 60 40 20 0 5 10 15 20 25 30
4742
4744
4748
4747
4741
4749
4750
4735
4733 4732
4739
4731
4728
Fig.2 BREAKDOWN CHARACTERISTICS
STAD-FEB.26.2007
PAGE . 3

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