Silicon Planar Zener Diodes Including Jingdao Microelectronics 1SMA4768A for Voltage Stabilization
Key Attributes
Model Number:
1SMA4768A
Product Custom Attributes
Operating Junction Temperature Range:
-55℃~+150℃
Impedance(Zzt):
900Ω
Zener Voltage(Range):
140V~157V
Pd - Power Dissipation:
1W
Zener Voltage(Nom):
150V
Mfr. Part #:
1SMA4768A
Package:
SMA
Product Description
Product Overview
Silicon Planar Zener Diodes designed for surface-mounted applications. These diodes offer a wide zener reverse voltage range from 3.3V to 330V and a maximum power dissipation of 1W. Their small plastic package makes them suitable for compact designs.
Product Attributes
- Brand: Jingdao Microelectronics co.LTD
- Origin: Shandong, China
- Material: Silicon Planar
- Package: SMA (Small plastic package suitable for surface mounted design)
Technical Specifications
| Type Marking | Zener Voltage Range (V) Nom | Zener Voltage Range (V) Min | Zener Voltage Range (V) Max | IZT (mA) | ZZT () Max | IR @ VR Max (A) | IZM (mA) | VF @ IF=200mA (V) Max |
| 1SMA4728A | 3.3 | 3.10 | 3.50 | 75 | 100 | 1 | 300 | 1.2 |
| 1SMA4729A | 3.6 | 3.40 | 3.70 | 69 | 95 | 1 | 285 | 1.2 |
| 1SMA4730A | 3.9 | 3.70 | 4.10 | 64 | 80 | 1 | 263 | 1.2 |
| 1SMA4731A | 4.3 | 4.06 | 4.50 | 58 | 75 | 1 | 243 | 1.2 |
| 1SMA4732A | 4.7 | 4.50 | 4.93 | 53 | 70 | 1 | 219 | 1.2 |
| 1SMA4733A | 5.1 | 4.84 | 5.36 | 49 | 69 | 1 | 203 | 1.2 |
| 1SMA4734A | 5.6 | 5.32 | 5.92 | 45 | 64 | 1 | 186 | 1.2 |
| 1SMA4735A | 6.2 | 5.86 | 6.51 | 41 | 58 | 1 | 170 | 1.2 |
| 1SMA4736A | 6.8 | 6.51 | 7.18 | 37 | 53 | 1 | 154 | 1.2 |
| 1SMA4737A | 7.5 | 7.12 | 7.88 | 34 | 49 | 1 | 140 | 1.2 |
| 1SMA4738A | 8.2 | 7.79 | 8.67 | 31 | 47 | 1 | 127 | 1.2 |
| 1SMA4739A | 9.1 | 8.60 | 9.59 | 28 | 44.9 | 1 | 116 | 1.2 |
| 1SMA4740A | 10 | 9.50 | 10.5 | 25 | 40.9 | 1 | 104 | 1.2 |
| 1SMA4741A | 11 | 10.4 | 11.6 | 23 | 38 | 1 | 95 | 1.2 |
| 1SMA4742A | 12 | 11.4 | 12.6 | 21 | 35 | 1 | 86 | 1.2 |
| 1SMA4743A | 13 | 12.4 | 14.1 | 19 | 33 | 1 | 79 | 1.2 |
| 1SMA4744A | 15 | 13.8 | 15.8 | 17 | 31 | 1 | 71 | 1.2 |
| 1SMA4745A | 16 | 15.2 | 17.1 | 16 | 28 | 1 | 63 | 1.2 |
| 1SMA4746A | 18 | 16.8 | 19.2 | 14 | 26 | 1 | 58 | 1.2 |
| 1SMA4747A | 20 | 19.0 | 21.2 | 13 | 24 | 1 | 52 | 1.2 |
| 1SMA4748A | 22 | 20.8 | 23.3 | 12 | 22 | 1 | 47 | 1.2 |
| 1SMA4749A | 24 | 22.8 | 26.0 | 11 | 20 | 1 | 43 | 1.2 |
| 1SMA4750A | 27 | 25.3 | 28.9 | 9.5 | 18 | 1 | 38 | 1.2 |
| 1SMA4751A | 30 | 28.2 | 32.0 | 8.5 | 17 | 1 | 35 | 1.2 |
| 1SMA4752A | 33 | 31.3 | 34.9 | 7.5 | 16 | 1 | 31 | 1.2 |
| 1SMA4753A | 36 | 34.2 | 37.9 | 7.0 | 15 | 1 | 28 | 1.2 |
| 1SMA4754A | 39 | 37.2 | 41.5 | 6.5 | 14 | 1 | 26 | 1.2 |
| 1SMA4755A | 43 | 40.9 | 45.6 | 6.0 | 12 | 1 | 24 | 1.2 |
| 1SMA4756A | 47 | 45.6 | 49.8 | 5.5 | 11 | 1 | 22 | 1.2 |
| 1SMA4757A | 51 | 49.8 | 54.0 | 5.0 | 10 | 1 | 20 | 1.2 |
| 1SMA4758A | 56 | 54.0 | 58.8 | 4.5 | 9.0 | 1 | 18 | 1.2 |
| 1SMA4759A | 62 | 58.8 | 65.6 | 4.0 | 8.0 | 1 | 17 | 1.2 |
| 1SMA4760A | 68 | 64.6 | 71.7 | 3.6 | 7.0 | 1 | 15 | 1.2 |
| 1SMA4761A | 75 | 71.2 | 78.8 | 3.2 | 6.3 | 1 | 14 | 1.2 |
| 1SMA4762A | 82 | 77.9 | 87.0 | 2.9 | 5.8 | 1 | 12 | 1.2 |
| 1SMA4763A | 91 | 86.0 | 96.0 | 2.6 | 5.2 | 1 | 11 | 1.2 |
| 1SMA4764A | 100 | 95.0 | 105 | 2.4 | 4.7 | 1 | 10 | 1.2 |
| 1SMA4765A | 110 | 105 | 116 | 2.2 | 4.3 | 1 | 9.0 | 1.2 |
| 1SMA4766A | 120 | 116 | 127 | 2.0 | 3.9 | 1 | 8.0 | 1.2 |
| 1SMA4767A | 130 | 127 | 140 | 1.9 | 3.7 | 1 | 7.0 | 1.2 |
| 1SMA4768A | 150 | 142 | 157 | 1.7 | 3.4 | 1 | 6.0 | 1.2 |
| 1SMA4769A | 160 | 157 | 172 | 1.6 | 3.1 | 1 | 5.5 | 1.2 |
| 1SMA4770A | 175 | 172 | 191 | 1.4 | 2.8 | 1 | 5.0 | 1.2 |
| 1SMA4771A | 180 | 180 | 200 | 1.4 | 2.7 | 1 | 4.7 | 1.2 |
| 1SMA4772A | 190 | 189 | 211 | 1.3 | 2.5 | 1 | 4.3 | 1.2 |
| 1SMA4773A | 200 | 209 | 231 | 1.2 | 2.3 | 1 | 4.0 | 1.2 |
| 1SMA4774A | 220 | 229 | 251 | 1.1 | 2.1 | 1 | 3.7 | 1.2 |
| 1SMA4775A | 240 | 249 | 271 | 1.0 | 1.9 | 1 | 3.4 | 1.2 |
| 1SMA4776A | 250 | 269 | 291 | 1.0 | 1.8 | 1 | 3.2 | 1.2 |
| 1SMA4777A | 270 | 291 | 315 | 0.9 | 1.7 | 1 | 3.0 | 1.2 |
| Parameter | Symbol | Value | Unit | Ta (C) |
| Power Dissipation at T =75C | PD | 1 | W | 75 |
| Forward Voltage at IF = 200 mA | VF | 1.2 | V | 25 |
| Junction Temperature Range | TJ | -55 to +150 | C | - |
| Storage Temperature Range | TS | -55 to +150 | C | - |
2209140930_Jingdao-Microelectronics-1SMA4768A_C4749116.pdf
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