Silicon Planar Zener Diode 1SMAF4729A from Jingdao Microelectronics for Surface Mounted Applications
Key Attributes
Model Number:
1SMAF4729A
Product Custom Attributes
Operating Junction Temperature Range:
-55℃~+150℃
Impedance(Zzt):
10Ω
Diode Configuration:
Independent
Zener Voltage(Range):
3.4V~3.8V
Pd - Power Dissipation:
1W
Zener Voltage(Nom):
3.6V
Mfr. Part #:
1SMAF4729A
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. The small plastic package is ideal 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 Tolerance (%) | Max Zener Current (IZK) (mA) | Max Dynamic Impedance (ZZT) () | Reverse Current (IR) Max (A) | Power Dissipation (PD) (W) | Forward Voltage (VF) at 200mA (V) | Junction Temperature Range (C) | Storage Temperature Range (C) |
| 1SMAF4728A | 3.3 | 5.0 | 200 | 75 | 100 | 1 | 1.2 | -55 to +150 | -55 to +150 |
| 1SMAF4729A | 3.6 | 5.0 | 186 | 70 | 95 | 1 | 1.2 | -55 to +150 | -55 to +150 |
| 1SMAF4730A | 3.9 | 5.0 | 170 | 68 | 91 | 1 | 1.2 | -55 to +150 | -55 to +150 |
| 1SMAF4731A | 4.3 | 5.0 | 154 | 62 | 82 | 1 | 1.2 | -55 to +150 | -55 to +150 |
| 1SMAF4732A | 4.7 | 5.0 | 140 | 56 | 75 | 1 | 1.2 | -55 to +150 | -55 to +150 |
| 1SMAF4733A | 5.1 | 5.0 | 127 | 52 | 69 | 1 | 1.2 | -55 to +150 | -55 to +150 |
| 1SMAF4734A | 5.6 | 5.0 | 116 | 47 | 64 | 1 | 1.2 | -55 to +150 | -55 to +150 |
| 1SMAF4735A | 6.2 | 5.0 | 104 | 44.9 | 58.9 | 1 | 1.2 | -55 to +150 | -55 to +150 |
| 1SMAF4736A | 6.8 | 5.0 | 95 | 40.9 | 54.0 | 1 | 1.2 | -55 to +150 | -55 to +150 |
| 1SMAF4737A | 7.5 | 5.0 | 86 | 38 | 48.6 | 1 | 1.2 | -55 to +150 | -55 to +150 |
| 1SMAF4738A | 8.2 | 5.0 | 79 | 35 | 45.6 | 1 | 1.2 | -55 to +150 | -55 to +150 |
| 1SMAF4739A | 9.1 | 5.0 | 71 | 32 | 40.9 | 1 | 1.2 | -55 to +150 | -55 to +150 |
| 1SMAF4740A | 10 | 5.0 | 63 | 28 | 35 | 1 | 1.2 | -55 to +150 | -55 to +150 |
| 1SMAF4741A | 11 | 5.0 | 58 | 26 | 31 | 1 | 1.2 | -55 to +150 | -55 to +150 |
| 1SMAF4742A | 12 | 5.0 | 52 | 24 | 28 | 1 | 1.2 | -55 to +150 | -55 to +150 |
| 1SMAF4743A | 13 | 5.0 | 47 | 22 | 26 | 1 | 1.2 | -55 to +150 | -55 to +150 |
| 1SMAF4744A | 15 | 5.0 | 43 | 20 | 24 | 1 | 1.2 | -55 to +150 | -55 to +150 |
| 1SMAF4745A | 16 | 5.0 | 38 | 18 | 22 | 1 | 1.2 | -55 to +150 | -55 to +150 |
| 1SMAF4746A | 18 | 5.0 | 35 | 17 | 20 | 1 | 1.2 | -55 to +150 | -55 to +150 |
| 1SMAF4747A | 20 | 5.0 | 31 | 15 | 18 | 1 | 1.2 | -55 to +150 | -55 to +150 |
| 1SMAF4748A | 22 | 5.0 | 28 | 14 | 17 | 1 | 1.2 | -55 to +150 | -55 to +150 |
| 1SMAF4749A | 24 | 5.0 | 26 | 13 | 15 | 1 | 1.2 | -55 to +150 | -55 to +150 |
| 1SMAF4750A | 27 | 5.0 | 23 | 12 | 14 | 1 | 1.2 | -55 to +150 | -55 to +150 |
| 1SMAF4751A | 30 | 5.0 | 21 | 11 | 12 | 1 | 1.2 | -55 to +150 | -55 to +150 |
| 1SMAF4752A | 33 | 5.0 | 19 | 10 | 11 | 1 | 1.2 | -55 to +150 | -55 to +150 |
| 1SMAF4753A | 36 | 5.0 | 17 | 9.5 | 10 | 1 | 1.2 | -55 to +150 | -55 to +150 |
| 1SMAF4754A | 39 | 5.0 | 16 | 9.0 | 9.0 | 1 | 1.2 | -55 to +150 | -55 to +150 |
| 1SMAF4755A | 43 | 5.0 | 14 | 8.0 | 8.0 | 1 | 1.2 | -55 to +150 | -55 to +150 |
| 1SMAF4756A | 47 | 5.0 | 13 | 7.0 | 7.0 | 1 | 1.2 | -55 to +150 | -55 to +150 |
| 1SMAF4757A | 51 | 5.0 | 12 | 6.5 | 5.0 | 1 | 1.2 | -55 to +150 | -55 to +150 |
| 1SMAF4758A | 56 | 5.0 | 11 | 6.0 | 5.0 | 1 | 1.2 | -55 to +150 | -55 to +150 |
| 1SMAF4759A | 62 | 5.0 | 10 | 5.5 | 5.0 | 1 | 1.2 | -55 to +150 | -55 to +150 |
| 1SMAF4760A | 68 | 5.0 | 9.5 | 5.0 | 5.0 | 1 | 1.2 | -55 to +150 | -55 to +150 |
| 1SMAF4761A | 75 | 5.0 | 8.5 | 4.5 | 5.0 | 1 | 1.2 | -55 to +150 | -55 to +150 |
| 1SMAF4762A | 82 | 5.0 | 7.5 | 4.0 | 5.0 | 1 | 1.2 | -55 to +150 | -55 to +150 |
| 1SMAF4763A | 91 | 5.0 | 7.0 | 3.7 | 5.0 | 1 | 1.2 | -55 to +150 | -55 to +150 |
| 1SMAF4764A | 100 | 5.0 | 6.5 | 3.5 | 5.0 | 1 | 1.2 | -55 to +150 | -55 to +150 |
| 1SMAF4765A | 110 | 5.0 | 6.0 | 3.3 | 5.0 | 1 | 1.2 | -55 to +150 | -55 to +150 |
| 1SMAF4766A | 120 | 5.0 | 5.5 | 3.1 | 5.0 | 1 | 1.2 | -55 to +150 | -55 to +150 |
| 1SMAF4767A | 130 | 5.0 | 5.0 | 3.0 | 5.0 | 1 | 1.2 | -55 to +150 | -55 to +150 |
| 1SMAF4768A | 150 | 5.0 | 4.5 | 2.8 | 5.0 | 1 | 1.2 | -55 to +150 | -55 to +150 |
| 1SMAF4769A | 160 | 5.0 | 4.3 | 2.7 | 5.0 | 1 | 1.2 | -55 to +150 | -55 to +150 |
| 1SMAF4770A | 170 | 5.0 | 4.0 | 2.5 | 5.0 | 1 | 1.2 | -55 to +150 | -55 to +150 |
| 1SMAF4771A | 180 | 5.0 | 3.9 | 2.3 | 5.0 | 1 | 1.2 | -55 to +150 | -55 to +150 |
| 1SMAF4772A | 200 | 5.0 | 3.7 | 2.0 | 5.0 | 1 | 1.2 | -55 to +150 | -55 to +150 |
| 1SMAF4773A | 220 | 5.0 | 3.4 | 1.9 | 5.0 | 1 | 1.2 | -55 to +150 | -55 to +150 |
| 1SMAF4774A | 240 | 5.0 | 3.1 | 1.7 | 5.0 | 1 | 1.2 | -55 to +150 | -55 to +150 |
| 1SMAF4775A | 250 | 5.0 | 3.0 | 1.6 | 5.0 | 1 | 1.2 | -55 to +150 | -55 to +150 |
| 1SMAF4776A | 270 | 5.0 | 2.8 | 1.5 | 5.0 | 1 | 1.2 | -55 to +150 | -55 to +150 |
| 1SMAF4777A | 300 | 5.0 | 2.5 | 1.4 | 5.0 | 1 | 1.2 | -55 to +150 | -55 to +150 |
1912111437_Jingdao-Microelectronics-1SMAF4729A_C353591.pdf
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