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Brand Name : XUYANG
Model Number : 1N4728A-1N4761A
Certification : ISO9001
Place of Origin : China
MOQ : 2500pcs
Price : negotiation
Payment Terms : T/T, Western Union
Supply Ability : 500000pcs per momth
Delivery Time : 5-7 working days
Packaging Details : tape in box, 2500pcs/box
Part Number : 1N4728A-1N4761A
Power : 1W
Voltage : 3.3-75V
Package : DO-41
Lead Free Status : Lead free/RoHS
Shipping by : DHL\UPS\Fedex\EMS\sea
DO-41 Glass Package 1W 3.3V-75V Zener Diode 1N4728A Thru 1N4761A
Features
1. High reliability
 2. Very sharp reverse characteristic
 3. Low reverse current level
 4. VZ-tolerance±5%
Applications
Voltage stabilization
Absolute Maximum Ratings
Tj=25℃
| Parameter | Test Conditions | Type | Symbol | Value | Unit | 
| Power dissipation | Tamb≤50℃ | Pv | 1 | W | |
| Z-current | Iz | Pv/Vz | mA | ||
| Junction temperature | Tj | 200 | ℃ | ||
| Storage temperature range | Tstg | -65~+175 | ℃ | 
Maximum Thermal Resistance
| Parameter | Test Conditions | Symbol | Value | Unit | 
| Junction ambient | I=9.5mm(3/8') TL=constant | RthJA | 100 | K/W | 
Electrical Characteristics
Tj=25℃
| Parameter | Test Conditions | Type | Symbol | Min | Typ | Max | Unit | 
| Forward voltage | IF=200mA | VF | 1.2 | V | 
| Type | Vznom1) | IZK for rzjT | rzjT at IZK | IR at VR | |||
| V | mA | Ω | Ω | mA | μA | V | |
| 1N4728A | 3.3 | 76 | <10 | <400 | 1 | <100 | 1 | 
| 1N4729A | 3.6 | 69 | <10 | <400 | 1 | <100 | 1 | 
| 1N4730A | 3.9 | 64 | <9 | <400 | 1 | <50 | 1 | 
| 1N4731A | 4.3 | 58 | <9 | <400 | 1 | <10 | 1 | 
| 1N4732A | 4.7 | 53 | <8 | <500 | 1 | <10 | 1 | 
| 1N4733A | 5.1 | 49 | <7 | <550 | 1 | <10 | 1 | 
| 1N4734A | 5.6 | 45 | <5 | <600 | 1 | <10 | 2 | 
| 1N4735A | 6.2 | 41 | <2 | <700 | 1 | <10 | 3 | 
| 1N4736A | 6.8 | 37 | <3.5 | <700 | 1 | <10 | 4 | 
| 1N4737A | 7.5 | 34 | <4.0 | <700 | 0.5 | <10 | 5 | 
| 1N4738A | 8.2 | 31 | <4.5 | <700 | 0.5 | <10 | 6 | 
| 1N4739A | 9.1 | 28 | <5.0 | <700 | 0.5 | <10 | 7 | 
| 1N4740A | 10 | 25 | <7 | <700 | 0.25 | <10 | 7.6 | 
| 1N4741A | 11 | 23 | <8 | <700 | 0.25 | <5 | 8.4 | 
| 1N4742A | 12 | 21 | <9 | <700 | 0.25 | <5 | 9.1 | 
| 1N4743A | 13 | 19 | <10 | <700 | 0.25 | <5 | 9.9 | 
| 1N4744A | 15 | 17 | <14 | <700 | 0.25 | <5 | 11.4 | 
| 1N4745A | 16 | 15.5 | <16 | <700 | 0.25 | <5 | 12.2 | 
| 1N4746A | 18 | 14 | <20 | <750 | 0.25 | <5 | 13.7 | 
| 1N4747A | 20 | 12.5 | <22 | <750 | 0.25 | <5 | 15.2 | 
| 1N4748A | 22 | 11.5 | <23 | <750 | 0.25 | <5 | 16.7 | 
| 1N4749A | 24 | 10.5 | <25 | <750 | 0.25 | <5 | 18.2 | 
| 1N4750A | 27 | 9.5 | <35 | <750 | 0.25 | <5 | 20.6 | 
| 1N4751A | 30 | 8.5 | <40 | <1000 | 0.25 | <5 | 22.8 | 
| 1N4752A | 33 | 7.5 | <45 | <1000 | 0.25 | <5 | 25.1 | 
| 1N4753A | 36 | 7.0 | <50 | <1000 | 0.25 | <5 | 27.4 | 
| 1N4754A | 39 | 6.5 | <60 | <1000 | 0.25 | <5 | 29.7 | 
| 1N4755A | 43 | 6.0 | <70 | <1500 | 0.25 | <5 | 32.7 | 
| 1N4756A | 47 | 5.5 | <80 | <1500 | 0.25 | <5 | 35.8 | 
| 1N4757A | 51 | 5.0 | <95 | <1500 | 0.25 | <5 | 38.8 | 
| 1N4758A | 56 | 4.5 | <110 | <2000 | 0.25 | <5 | 42.6 | 
| 1N4759A | 62 | 4.0 | <125 | <2000 | 0.25 | <5 | 47.1 | 
| 1N4760A | 68 | 3.7 | <150 | <2000 | 0.25 | <5 | 51.7 | 
| 1N4761A | 75 | 3.3 | <175 | <2000 | 0.25 | <5 | 56 | 
1) Based on DC-measurement at thermal equilibrium while maintaining the lead temperature(TL)
at 30℃, 9.5mm(3/8”) from the diode body.
Size

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