DL4729资料

MCCFeatures

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DL4728THRU DL4764

1 Watt Zener Diode 3.3 to 100 Volts

GLASS MELF Cathode Mark • Wide Voltage Range Available • Glass Package • High Temp Soldering: 260°C for 10 Seconds At Terminals • For Surface Mount Applications

Maximum Ratings

• Operating Temperature: -55°C to +150°C • Storage Temperature: -55°C to +150°C • 1 Watt DC Power Dissipation • Power Derating: 10.0mW/°C above 100°C • Maximum Forward Voltage @ 200mA: 1.2 Volts

Figure 1 - Typical Temperature Coefficient

C B 40

A mV/°C

20

INCHES MM DIM MIN MAX MIN MAX NOTE A .190 .205 4.80 5.20 B --- .022 --- .55 Nominal C .095 .105 2.40 2.67 ∅ 0

0 20

VZ

40

Typical Temperature Coefficient (mV/°C) – versus – Zener Voltage (VZ)

Figure 2 - Derating Curve

SUGGESTED SOLDER PAD LAYOUT .210” 1.0 W

0.5

.035”.115” 25 100 150 200 Temperature °C

Power Dissipation (W) - Versus - Temperature °C

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DL4728 thru DL4764

ELECTRICAL CHARACTERISTICS @25°C

MCC PART NUMBER

MCC

MAXIMUM REVERSE CURRENT IR @ VR

TEST VOLTAGE

VR

MAXIMUM MAXIMUM MAXIMUM TEST KNEE REGULATOR SURGE CURRENT IMPEDANCE CURRENT CURRENT IZK ZZK @ IZK IZM IS

TA = 50°C

VOLTS mA OHMS µA VOLTS mA OHMS mA mA ZENER VOLTAGE

VZ

TEST CURRENT

IZT

MAXIMUM DYNAMIC IMPEDANCE ZZT @ IZT

DL4728 3.3 76 10 100 1 276 400 1.0 1380 DL4729 3.6 69 10 100 1 252 400 1.0 1260 DL4730 3.9 64 9 50 1 234 400 1.0 1190 DL4731 4.3 58 9 10 1 217 400 1.0 1070 DL4732 4.7 53 8 10 1 193 500 1.0 970 DL4733 5.1 49 7 10 1 178 550 1.0 890 DL4734 5.6 45 5 10 2 162 600 1.0 810 DL4735 6.2 41 2 10 3 146 700 1.0 730 DL4736 6.8 37 3.5 10 4 133 700 1.0 660 DL4737 7.5 34 4.0 10 5 121 700 0.5 605 DL4738 8.2 31 4.5 10 6 110 700 0.5 550 DL4739 9.1 28 5.0 10 7 100 700 0.5 500 DL4740 10 25 7 10 7.6 91 700 0.25 454 DL4741 11 23 8 5 8.4 83 700 0.25 414 DL4742 12 21 9 5 9.1 76 700 0.25 380 DL4743 13 19 10 5 9.9 69 700 0.25 344 DL4744 15 17 14 5 11.4 61 700 0.25 304 DL4745 16 15.5 16 5 12.2 57 700 0.25 285 DL4746 18 14 20 5 13.7 50 750 0.25 250 DL4747 20 12.5 22 5 15.2 45 750 0.25 225 DL4748 22 11.5 23 5 16.7 41 750 0.25 205 DL4749 24 10.5 25 5 18.2 38 750 0.25 190 DL4750 27 9.5 35 5 20.6 34 750 0.25 170 DL4751 30 8.5 40 5 22.8 30 1000 0.25 150 DL4752 33 7.5 45 5 25.1 27 1000 0.25 135 DL4753 36 7.0 50 5 27.4 25 1000 0.25 125 DL4754 39 6.5 60 5 29.7 23 1000 0.25 115 DL4755 43 6.0 70 5 32.7 22 1500 0.25 110 DL4756 47 5.5 80 5 35.8 19 1500 0.25 95 DL4757 51 5.0 95 5 38.8 18 1500 0.25 90 DL4758 56 4.5 110 5 42.6 16 2000 0.25 80 DL4759 62 4.0 125 5 47.1 14 2000 0.25 70 DL4760 68 3.7 150 5 51.7 13 2000 0.25 65 DL4761 75 3.3 175 5 56.0 12 2000 0.25 60 DL4762 82 3.0 200 5 62.2 11 3000 0.25 55 DL4763 91 2.8 250 5 69.2 10 3000 0.25 50 DL4764 100 2.5 350 5 76.0 9 3000 0.25 45 NOTE 1 The JEDEC type numbers shown have A 5% tolerance on nominal zener voltage.

No suffix signifies A 10% tolerance, C signifies 2%, and D signifies 1% tolerance.

NOTE 2 The zener impedance is derived from the 60Hz 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 on Izt or Izk. Zener impedance is measured at two points to insure a sharp knee on the breakdown curve and eliminate unstable units.

NOTE 3 The reverse surge current is measured at 25oC ambient using a 1/2 square wave or equivalent sine wave pulse 1/120 second

duration superimposed on Izt

NOTE 4 Voltage measurements to be performed 90 seconds after application of DC current.

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