Silicon Planar Zener Diode Jingdao Microelectronics 1SMAF4739A Surface Mount SMAF Package 1 Watt Power Dissipation
Key Attributes
Model Number:
1SMAF4739A
Product Custom Attributes
Operating Junction Temperature Range:
-55℃~+150℃
Impedance(Zzt):
5Ω
Diode Configuration:
Independent
Zener Voltage(Range):
8.6V~9.59V
Pd - Power Dissipation:
1W
Zener Voltage(Nom):
9.1V
Mfr. Part #:
1SMAF4739A
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 (SMAF) makes them suitable for compact designs.
Product Attributes
- Brand: Jingdao Microelectronics
- Origin: China
- Certifications: MIL-STD-750, Method 2026 (for solderability)
Technical Specifications
| Type Marking | Zener Voltage Range (VZT) Nom (V) | Zener Voltage Range (VZT) Min (V) | Zener Voltage Range (VZT) Max (V) | Admissible Zener Current IZM (mA) | Dynamic Impedance ZZT (Max ) at IZT (mA) | Reverse Current IR at VR Max (A) | Power Dissipation (W) | Forward Voltage VF at IF = 200 mA (V) | Junction Temperature Range (C) | Storage Temperature Range (C) |
|---|---|---|---|---|---|---|---|---|---|---|
| 1SMAF4728A | 3.3 | 3.10 | 3.50 | 300 | 100 | 1 | 1 | 1.2 | -55 to +150 | -55 to +150 |
| 1SMAF4729A | 3.6 | 3.40 | 3.70 | 250 | 75 | 1 | 1 | 1.2 | -55 to +150 | -55 to +150 |
| 1SMAF4730A | 3.9 | 3.70 | 4.06 | 200 | 70 | 1 | 1 | 1.2 | -55 to +150 | -55 to +150 |
| 1SMAF4731A | 4.3 | 4.06 | 4.50 | 186 | 68 | 1 | 1 | 1.2 | -55 to +150 | -55 to +150 |
| 1SMAF4732A | 4.7 | 4.50 | 4.93 | 170 | 62 | 1 | 1 | 1.2 | -55 to +150 | -55 to +150 |
| 1SMAF4733A | 5.1 | 4.84 | 5.36 | 154 | 56 | 1 | 1 | 1.2 | -55 to +150 | -55 to +150 |
| 1SMAF4734A | 5.6 | 5.32 | 5.92 | 127 | 51 | 1 | 1 | 1.2 | -55 to +150 | -55 to +150 |
| 1SMAF4735A | 6.2 | 5.86 | 6.51 | 100 | 47 | 1 | 1 | 1.2 | -55 to +150 | -55 to +150 |
| 1SMAF4736A | 6.8 | 6.51 | 7.18 | 95 | 44.9 | 1 | 1 | 1.2 | -55 to +150 | -55 to +150 |
| 1SMAF4737A | 7.5 | 7.12 | 7.88 | 80 | 40.9 | 1 | 1 | 1.2 | -55 to +150 | -55 to +150 |
| 1SMAF4738A | 8.2 | 7.79 | 8.67 | 75 | 38 | 1 | 1 | 1.2 | -55 to +150 | -55 to +150 |
| 1SMAF4739A | 9.1 | 8.60 | 9.59 | 70 | 35 | 1 | 1 | 1.2 | -55 to +150 | -55 to +150 |
| 1SMAF4740A | 10 | 9.50 | 10.5 | 60 | 32 | 1 | 1 | 1.2 | -55 to +150 | -55 to +150 |
| 1SMAF4741A | 11 | 10.4 | 11.6 | 54 | 30 | 1 | 1 | 1.2 | -55 to +150 | -55 to +150 |
| 1SMAF4742A | 12 | 11.4 | 12.6 | 50 | 28 | 1 | 1 | 1.2 | -55 to +150 | -55 to +150 |
| 1SMAF4743A | 13 | 12.4 | 14.1 | 47 | 26 | 1 | 1 | 1.2 | -55 to +150 | -55 to +150 |
| 1SMAF4744A | 15 | 13.8 | 15.8 | 43 | 24 | 1 | 1 | 1.2 | -55 to +150 | -55 to +150 |
| 1SMAF4745A | 16 | 15.2 | 17.1 | 40 | 22 | 1 | 1 | 1.2 | -55 to +150 | -55 to +150 |
| 1SMAF4746A | 18 | 16.8 | 19.2 | 38 | 20 | 1 | 1 | 1.2 | -55 to +150 | -55 to +150 |
| 1SMAF4747A | 20 | 19.0 | 21.2 | 35 | 18 | 1 | 1 | 1.2 | -55 to +150 | -55 to +150 |
| 1SMAF4748A | 22 | 20.8 | 23.3 | 32 | 17 | 1 | 1 | 1.2 | -55 to +150 | -55 to +150 |
| 1SMAF4749A | 24 | 22.8 | 26.0 | 31 | 16 | 1 | 1 | 1.2 | -55 to +150 | -55 to +150 |
| 1SMAF4750A | 27 | 25.3 | 28.9 | 28 | 15 | 1 | 1 | 1.2 | -55 to +150 | -55 to +150 |
| 1SMAF4751A | 30 | 28.2 | 32.0 | 25 | 14 | 1 | 1 | 1.2 | -55 to +150 | -55 to +150 |
| 1SMAF4752A | 33 | 31.3 | 34.9 | 23 | 13 | 1 | 1 | 1.2 | -55 to +150 | -55 to +150 |
| 1SMAF4753A | 36 | 34.2 | 37.9 | 21 | 12 | 1 | 1 | 1.2 | -55 to +150 | -55 to +150 |
| 1SMAF4754A | 39 | 37.2 | 41.5 | 19 | 11 | 1 | 1 | 1.2 | -55 to +150 | -55 to +150 |
| 1SMAF4755A | 43 | 41.5 | 46.5 | 17 | 10 | 1 | 1 | 1.2 | -55 to +150 | -55 to +150 |
| 1SMAF4756A | 47 | 44.9 | 48.6 | 16 | 9.5 | 1 | 1 | 1.2 | -55 to +150 | -55 to +150 |
| 1SMAF4757A | 51 | 48.6 | 53.6 | 14 | 9.0 | 1 | 1 | 1.2 | -55 to +150 | -55 to +150 |
| 1SMAF4758A | 56 | 53.6 | 58.9 | 13 | 8.0 | 1 | 1 | 1.2 | -55 to +150 | -55 to +150 |
| 1SMAF4759A | 62 | 58.9 | 65.6 | 12 | 7.0 | 1 | 1 | 1.2 | -55 to +150 | -55 to +150 |
| 1SMAF4760A | 68 | 65.6 | 71.7 | 11 | 6.5 | 1 | 1 | 1.2 | -55 to +150 | -55 to +150 |
| 1SMAF4761A | 75 | 71.7 | 78.8 | 10 | 6.0 | 1 | 1 | 1.2 | -55 to +150 | -55 to +150 |
| 1SMAF4762A | 82 | 78.8 | 87.0 | 9.5 | 5.5 | 1 | 1 | 1.2 | -55 to +150 | -55 to +150 |
| 1SMAF4763A | 91 | 87.0 | 96.0 | 8.5 | 5.0 | 1 | 1 | 1.2 | -55 to +150 | -55 to +150 |
| 1SMAF4764A | 100 | 96.0 | 105 | 7.5 | 4.5 | 1 | 1 | 1.2 | -55 to +150 | -55 to +150 |
| 1SMAF4765A | 110 | 105 | 116 | 7.0 | 4.0 | 1 | 1 | 1.2 | -55 to +150 | -55 to +150 |
| 1SMAF4766A | 120 | 116 | 127 | 6.5 | 3.7 | 1 | 1 | 1.2 | -55 to +150 | -55 to +150 |
| 1SMAF4767A | 130 | 127 | 140 | 6.0 | 3.5 | 1 | 1 | 1.2 | -55 to +150 | -55 to +150 |
| 1SMAF4768A | 150 | 140 | 155 | 5.5 | 3.1 | 1 | 1 | 1.2 | -55 to +150 | -55 to +150 |
| 1SMAF4769A | 160 | 150 | 170 | 5.0 | 2.8 | 1 | 1 | 1.2 | -55 to +150 | -55 to +150 |
| 1SMAF4770A | 170 | 165 | 189 | 4.7 | 2.6 | 1 | 1 | 1.2 | -55 to +150 | -55 to +150 |
| 1SMAF4771A | 180 | 170 | 191 | 4.5 | 2.5 | 1 | 1 | 1.2 | -55 to +150 | -55 to +150 |
| 1SMAF4772A | 200 | 180 | 209 | 4.3 | 2.3 | 1 | 1 | 1.2 | -55 to +150 | -55 to +150 |
| 1SMAF4773A | 220 | 200 | 229 | 4.0 | 2.0 | 1 | 1 | 1.2 | -55 to +150 | -55 to +150 |
| 1SMAF4774A | 240 | 220 | 249 | 3.9 | 1.9 | 1 | 1 | 1.2 | -55 to +150 | -55 to +150 |
| 1SMAF4775A | 250 | 230 | 269 | 3.7 | 1.7 | 1 | 1 | 1.2 | -55 to +150 | -55 to +150 |
| 1SMAF4776A | 270 | 250 | 289 | 3.6 | 1.6 | 1 | 1 | 1.2 | -55 to +150 | -55 to +150 |
| 1SMAF4777A | 300 | 270 | 315 | 3.4 | 1.4 | 1 | 1 | 1.2 | -55 to +150 | -55 to +150 |
2304140030_Jingdao-Microelectronics-1SMAF4739A_C353585.pdf
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