1 Watt Power Dissipation Zener Diode Silicon Planar Jingdao Microelectronics 1SMAF4733A Surface Mount
Key Attributes
Model Number:
1SMAF4733A
Product Custom Attributes
Operating Junction Temperature Range:
-55℃~+150℃
Impedance(Zzt):
7Ω
Diode Configuration:
Independent
Zener Voltage(Range):
4.84V~5.36V
Pd - Power Dissipation:
1W
Zener Voltage(Nom):
5.1V
Mfr. Part #:
1SMAF4733A
Package:
SMAF
Product Description
Product Overview
The 1SMAF4728A THRU 1SMAF4777A series are silicon planar Zener diodes designed for surface-mounted applications. They 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 space-constrained designs.
Product Attributes
- Brand: Jingdao Microelectronics ()
- Origin: China
- Certifications: MIL-STD-750, Method 2026 (for solderability)
Technical Specifications
| Part Number | Zener Voltage (V) Nom | Zener Voltage (V) Max | Max Zener Current (IZT) (mA) | Max Dynamic Impedance (ZZT) () | Max Reverse Current (IR) (A) | Power Dissipation (PD) (W) | Forward Voltage (VF) (V) | Junction Temperature Range (C) | Storage Temperature Range (C) |
| 1SMAF4728A | 3.3 | 3.6 | 24 | 263 | 10 | 1 | 1.2 | -55 to +150 | -55 to +150 |
| 1SMAF4729A | 3.6 | 3.9 | 24 | 243 | 10 | 1 | 1.2 | -55 to +150 | -55 to +150 |
| 1SMAF4730A | 3.9 | 4.3 | 22 | 219 | 10 | 1 | 1.2 | -55 to +150 | -55 to +150 |
| 1SMAF4731A | 4.3 | 4.7 | 20 | 203 | 10 | 1 | 1.2 | -55 to +150 | -55 to +150 |
| 1SMAF4732A | 4.7 | 5.1 | 18 | 186 | 10 | 1 | 1.2 | -55 to +150 | -55 to +150 |
| 1SMAF4733A | 5.1 | 5.6 | 17 | 170 | 10 | 1 | 1.2 | -55 to +150 | -55 to +150 |
| 1SMAF4734A | 5.6 | 6.2 | 15 | 154 | 10 | 1 | 1.2 | -55 to +150 | -55 to +150 |
| 1SMAF4735A | 6.2 | 6.8 | 14 | 127 | 10 | 1 | 1.2 | -55 to +150 | -55 to +150 |
| 1SMAF4736A | 6.8 | 7.5 | 12 | 116 | 10 | 1 | 1.2 | -55 to +150 | -55 to +150 |
| 1SMAF4737A | 7.5 | 8.2 | 11 | 104 | 10 | 1 | 1.2 | -55 to +150 | -55 to +150 |
| 1SMAF4738A | 8.2 | 9.1 | 9.5 | 95 | 10 | 1 | 1.2 | -55 to +150 | -55 to +150 |
| 1SMAF4739A | 9.1 | 10 | 8.6 | 86 | 10 | 1 | 1.2 | -55 to +150 | -55 to +150 |
| 1SMAF4740A | 10 | 11 | 7.8 | 79 | 10 | 1 | 1.2 | -55 to +150 | -55 to +150 |
| 1SMAF4741A | 11 | 12 | 7.0 | 71 | 10 | 1 | 1.2 | -55 to +150 | -55 to +150 |
| 1SMAF4742A | 12 | 13 | 6.3 | 63 | 10 | 1 | 1.2 | -55 to +150 | -55 to +150 |
| 1SMAF4743A | 13 | 15 | 5.8 | 58 | 10 | 1 | 1.2 | -55 to +150 | -55 to +150 |
| 1SMAF4744A | 15 | 16 | 5.2 | 52 | 10 | 1 | 1.2 | -55 to +150 | -55 to +150 |
| 1SMAF4745A | 16 | 18 | 4.7 | 47 | 10 | 1 | 1.2 | -55 to +150 | -55 to +150 |
| 1SMAF4746A | 18 | 20 | 4.3 | 43 | 10 | 1 | 1.2 | -55 to +150 | -55 to +150 |
| 1SMAF4747A | 20 | 22 | 3.9 | 38 | 10 | 1 | 1.2 | -55 to +150 | -55 to +150 |
| 1SMAF4748A | 22 | 24 | 3.7 | 35 | 10 | 1 | 1.2 | -55 to +150 | -55 to +150 |
| 1SMAF4749A | 24 | 27 | 3.4 | 31 | 10 | 1 | 1.2 | -55 to +150 | -55 to +150 |
| 1SMAF4750A | 27 | 30 | 3.1 | 28 | 10 | 1 | 1.2 | -55 to +150 | -55 to +150 |
| 1SMAF4751A | 30 | 33 | 2.8 | 26 | 10 | 1 | 1.2 | -55 to +150 | -55 to +150 |
| 1SMAF4752A | 33 | 36 | 2.6 | 24 | 10 | 1 | 1.2 | -55 to +150 | -55 to +150 |
| 1SMAF4753A | 36 | 39 | 2.5 | 23 | 10 | 1 | 1.2 | -55 to +150 | -55 to +150 |
| 1SMAF4754A | 39 | 43 | 2.3 | 20 | 10 | 1 | 1.2 | -55 to +150 | -55 to +150 |
| 1SMAF4755A | 43 | 47 | 2.0 | 18 | 10 | 1 | 1.2 | -55 to +150 | -55 to +150 |
| 1SMAF4756A | 47 | 51 | 1.9 | 17 | 10 | 1 | 1.2 | -55 to +150 | -55 to +150 |
| 1SMAF4757A | 51 | 56 | 1.7 | 16 | 10 | 1 | 1.2 | -55 to +150 | -55 to +150 |
| 1SMAF4758A | 56 | 62 | 1.6 | 14 | 10 | 1 | 1.2 | -55 to +150 | -55 to +150 |
| 1SMAF4759A | 62 | 68 | 1.4 | 12 | 10 | 1 | 1.2 | -55 to +150 | -55 to +150 |
| 1SMAF4760A | 68 | 75 | 1.2 | 11 | 10 | 1 | 1.2 | -55 to +150 | -55 to +150 |
| 1SMAF4761A | 75 | 82 | 1.0 | 10 | 10 | 1 | 1.2 | -55 to +150 | -55 to +150 |
| 1SMAF4762A | 82 | 91 | 1.0 | 10 | 5 | 1 | 1.2 | -55 to +150 | -55 to +150 |
| 1SMAF4763A | 91 | 100 | 1.0 | 5 | 5 | 1 | 1.2 | -55 to +150 | -55 to +150 |
| 1SMAF4764A | 100 | 110 | 1.0 | 5 | 5 | 1 | 1.2 | -55 to +150 | -55 to +150 |
| 1SMAF4765A | 110 | 120 | 1.0 | 5 | 5 | 1 | 1.2 | -55 to +150 | -55 to +150 |
| 1SMAF4766A | 120 | 130 | 1.0 | 5 | 5 | 1 | 1.2 | -55 to +150 | -55 to +150 |
| 1SMAF4767A | 130 | 150 | 1.0 | 5 | 5 | 1 | 1.2 | -55 to +150 | -55 to +150 |
| 1SMAF4768A | 150 | 175 | 1.0 | 5 | 5 | 1 | 1.2 | -55 to +150 | -55 to +150 |
| 1SMAF4769A | 175 | 200 | 1.0 | 5 | 5 | 1 | 1.2 | -55 to +150 | -55 to +150 |
| 1SMAF4770A | 200 | 220 | 1.0 | 5 | 5 | 1 | 1.2 | -55 to +150 | -55 to +150 |
| 1SMAF4771A | 220 | 240 | 1.0 | 5 | 5 | 1 | 1.2 | -55 to +150 | -55 to +150 |
| 1SMAF4772A | 240 | 260 | 1.0 | 5 | 5 | 1 | 1.2 | -55 to +150 | -55 to +150 |
| 1SMAF4773A | 260 | 280 | 1.0 | 5 | 5 | 1 | 1.2 | -55 to +150 | -55 to +150 |
| 1SMAF4774A | 280 | 300 | 1.0 | 5 | 5 | 1 | 1.2 | -55 to +150 | -55 to +150 |
| 1SMAF4775A | 300 | 330 | 1.0 | 5 | 5 | 1 | 1.2 | -55 to +150 | -55 to +150 |
| 1SMAF4776A | 330 | 350 | 1.0 | 5 | 5 | 1 | 1.2 | -55 to +150 | -55 to +150 |
| 1SMAF4777A | 330 | 350 | 1.0 | 5 | 5 | 1 | 1.2 | -55 to +150 | -55 to +150 |
2304140030_Jingdao-Microelectronics-1SMAF4733A_C112201.pdf
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