Surface Mount Zener Diode FOSAN 1SMA4746A SMA Package Voltage Regulation Component
Key Attributes
Model Number:
1SMA4746A
Product Custom Attributes
Operating Junction Temperature Range:
-55℃~+150℃
Impedance(Zzt):
20Ω
Diode Configuration:
Independent
Zener Voltage(Range):
16.8V~19.2V
Pd - Power Dissipation:
500mW
Zener Voltage(Nom):
18V
Mfr. Part #:
1SMA4746A
Package:
SMA(DO-214AC)
Product Description
Product Overview
The 1SMA4728A-1SMA4777A series are SMA (DO-214AC) surface-mounted Zener diodes designed for voltage regulation applications. They offer a wide range of Zener voltages from 3.3V to 330V, with power dissipation capabilities of 500mW at 25 ambient and 1000mW at 75 lead temperature. These diodes are suitable for various electronic circuits requiring stable voltage references.
Product Attributes
- Brand: FOSAN
- Package Type: SMA (DO-214AC)
Technical Specifications
| Type Number | VZ(V)@IZT Nom. | IZT (mA) | ZZT() @IZT | IR(uA) @VR | VR (V) | IZRM (mA) | Marking |
| 1SMA4728A | 3.3 | 75 | 10 | 1 | 285 | 728A | |
| 1SMA4729A | 3.6 | 69 | 10 | 1 | 263 | 729A | |
| 1SMA4730A | 3.9 | 64 | 9.0 | 1 | 243 | 730A | |
| 1SMA4731A | 4.3 | 58 | 9.0 | 1 | 219 | 731A | |
| 1SMA4732A | 4.7 | 53 | 8.0 | 1 | 203 | 732A | |
| 1SMA4733A | 5.1 | 49 | 7.0 | 1 | 186 | 733A | |
| 1SMA4734A | 5.6 | 45 | 5.0 | 2 | 170 | 734A | |
| 1SMA4735A | 6.2 | 41 | 2.0 | 3 | 154 | 735A | |
| 1SMA4736A | 6.8 | 37 | 3.5 | 4 | 140 | 736A | |
| 1SMA4737A | 7.5 | 34 | 4.0 | 5 | 127 | 737A | |
| 1SMA4738A | 8.2 | 31 | 4.5 | 6 | 116 | 738A | |
| 1SMA4739A | 9.1 | 28 | 5.0 | 7 | 104 | 739A | |
| 1SMA4740A | 10 | 25 | 7.0 | 7 | 95 | 740A | |
| 1SMA4741A | 11 | 23 | 8.0 | 5 | 86 | 741A | |
| 1SMA4742A | 12 | 21 | 9.0 | 5 | 79 | 742A | |
| 1SMA4743A | 13 | 19 | 10 | 5 | 71 | 743A | |
| 1SMA4744A | 15 | 17 | 14 | 5 | 63 | 744A | |
| 1SMA4745A | 16 | 16 | 16 | 5 | 58 | 745A | |
| 1SMA4746A | 18 | 14 | 20 | 5 | 52 | 746A | |
| 1SMA4747A | 20 | 13 | 22 | 5 | 47 | 747A | |
| 1SMA4748A | 22 | 12 | 23 | 5 | 43 | 748A | |
| 1SMA4749A | 24 | 11 | 25 | 5 | 38 | 749A | |
| 1SMA4750A | 27 | 9.5 | 35 | 5 | 35 | 750A | |
| 1SMA4751A | 30 | 8.5 | 40 | 5 | 31 | 751A | |
| 1SMA4752A | 33 | 7.5 | 45 | 5 | 28 | 752A | |
| 1SMA4753A | 36 | 7.0 | 50 | 5 | 26 | 753A | |
| 1SMA4754A | 39 | 6.5 | 60 | 5 | 24 | 754A | |
| 1SMA4755A | 43 | 6.0 | 70 | 1 | 32 | 755A | |
| 1SMA4756A | 47 | 5.5 | 80 | 1 | 35 | 756A | |
| 1SMA4757A | 51 | 5.0 | 95 | 1 | 38 | 757A | |
| 1SMA4758A | 56 | 4.5 | 110 | 1 | 42 | 758A | |
| 1SMA4759A | 62 | 4.0 | 125 | 1 | 47 | 759A | |
| 1SMA4760A | 68 | 3.7 | 150 | 1 | 52 | 760A | |
| 1SMA4761A | 75 | 3.3 | 175 | 1 | 56 | 761A | |
| 1SMA4762A | 82 | 3.0 | 200 | 1 | 62 | 762A | |
| 1SMA4763A | 91 | 2.8 | 250 | 1 | 69 | 763A | |
| 1SMA4764A | 100 | 2.5 | 350 | 1 | 76 | 764A | |
| 1SMA4765A | 110 | 2.3 | 450 | 1 | 84 | 765A | |
| 1SMA4766A | 120 | 2.0 | 550 | 1 | 91 | 766A | |
| 1SMA4767A | 135 | 1.9 | 700 | 1 | 100 | 767A | |
| 1SMA4768A | 150 | 1.7 | 900 | 1 | 110 | 768A | |
| 1SMA4769A | 165 | 1.6 | 1100 | 1 | 120 | 769A | |
| 1SMA4770A | 180 | 1.4 | 1200 | 1 | 135 | 770A | |
| 1SMA4771A | 200 | 1.2 | 1400 | 1 | 150 | 771A | |
| 1SMA4772A | 220 | 1.0 | 1600 | 1 | 165 | 772A | |
| 1SMA4773A | 240 | 1.0 | 1800 | 1 | 180 | 773A | |
| 1SMA4774A | 260 | 1.0 | 2000 | 1 | 190 | 774A | |
| 1SMA4775A | 280 | 1.0 | 2100 | 1 | 205 | 775A | |
| 1SMA4776A | 300 | 1.0 | 2300 | 1 | 230 | 776A | |
| 1SMA4777A | 330 | 1.0 | 2500 | 1 | 250 | 777A |
| Characteristic | Symbol | Max | Unit |
| Power dissipation (Ta=25) | PD | 500 | mW |
| Power dissipation (TL=75) | PD | 1000 | mW |
| Forward Voltage (@ IF=200mA) | VF | 1.5 | V |
| Junction and Storage Temperature | TJ,Tstg | 150,-55to+150 | |
| Junction to Lead Thermal Resistance | RJL | 50 | /W |
| Junction to Ambient Thermal Resistance | RJA | 250 | /W |
2601061908_FOSAN-1SMA4746A_C5353101.pdf
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