Jingdao Microelectronics 1SMA4749A Zener Diode Silicon Planar Type with SMA Package and Wide Voltage Range
Key Attributes
Model Number:
1SMA4749A
Product Custom Attributes
Operating Junction Temperature Range:
-55℃~+150℃
Impedance(Zzt):
25Ω
Diode Configuration:
Independent
Pd - Power Dissipation:
1W
Zener Voltage(Range):
22.8V~26V
Zener Voltage(Nom):
24V
Mfr. Part #:
1SMA4749A
Package:
SMAF
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 continuous power dissipation of 1W. Their small plastic package (SMA) makes them suitable for compact electronic designs.
Product Attributes
- Brand: Jingdao Microelectronics co.LTD
- Origin:
- Material: Silicon Planar
- Package: SMA
Technical Specifications
| Type | Zener Voltage Range VZT (V) Nom | Zener Voltage Range VZT (V) Min | Zener Voltage Range VZT (V) Max | Admissible Zener Current IZM (mA) | Dynamic Impedance ZZT () Max | Reverse Current IR at VR Max (A) | Forward Voltage VF at IF = 200 mA (V) | Power Dissipation PD (W) Max | Junction Temperature Range TJ (C) | Storage Temperature Range TS (C) |
| 1SMA4728A | 3.3 | 3.10 | 3.50 | 250 | 100 | 100 | 1.2 | 1 | -55 to +150 | -55 to +150 |
| 1SMA4729A | 3.6 | 3.3 | 3.9 | 220 | 90 | 100 | 1.2 | 1 | -55 to +150 | -55 to +150 |
| 1SMA4730A | 3.9 | 3.5 | 4.3 | 200 | 80 | 100 | 1.2 | 1 | -55 to +150 | -55 to +150 |
| 1SMA4731A | 4.3 | 3.7 | 4.7 | 180 | 75 | 100 | 1.2 | 1 | -55 to +150 | -55 to +150 |
| 1SMA4732A | 4.7 | 4.06 | 4.50 | 170 | 70 | 100 | 1.2 | 1 | -55 to +150 | -55 to +150 |
| 1SMA4733A | 5.1 | 4.50 | 5.10 | 150 | 65 | 100 | 1.2 | 1 | -55 to +150 | -55 to +150 |
| 1SMA4734A | 5.6 | 4.93 | 5.60 | 135 | 58 | 100 | 1.2 | 1 | -55 to +150 | -55 to +150 |
| 1SMA4735A | 6.2 | 5.58 | 6.20 | 120 | 53 | 100 | 1.2 | 1 | -55 to +150 | -55 to +150 |
| 1SMA4736A | 6.8 | 6.17 | 6.80 | 110 | 49 | 100 | 1.2 | 1 | -55 to +150 | -55 to +150 |
| 1SMA4737A | 7.5 | 6.84 | 7.50 | 100 | 45 | 100 | 1.2 | 1 | -55 to +150 | -55 to +150 |
| 1SMA4738A | 8.2 | 7.41 | 8.20 | 95 | 41 | 50 | 1.2 | 1 | -55 to +150 | -55 to +150 |
| 1SMA4739A | 9.1 | 8.19 | 9.10 | 85 | 34 | 50 | 1.2 | 1 | -55 to +150 | -55 to +150 |
| 1SMA4740A | 10 | 9.00 | 11.0 | 75 | 31 | 50 | 1.2 | 1 | -55 to +150 | -55 to +150 |
| 1SMA4741A | 11 | 9.90 | 12.1 | 70 | 28 | 50 | 1.2 | 1 | -55 to +150 | -55 to +150 |
| 1SMA4742A | 12 | 10.8 | 13.2 | 65 | 25 | 50 | 1.2 | 1 | -55 to +150 | -55 to +150 |
| 1SMA4743A | 13 | 11.7 | 14.3 | 60 | 23 | 50 | 1.2 | 1 | -55 to +150 | -55 to +150 |
| 1SMA4744A | 15 | 13.5 | 16.5 | 55 | 21 | 50 | 1.2 | 1 | -55 to +150 | -55 to +150 |
| 1SMA4745A | 16 | 14.4 | 17.6 | 50 | 19 | 50 | 1.2 | 1 | -55 to +150 | -55 to +150 |
| 1SMA4746A | 18 | 16.2 | 19.8 | 47 | 17 | 50 | 1.2 | 1 | -55 to +150 | -55 to +150 |
| 1SMA4747A | 20 | 18.0 | 22.0 | 43 | 16 | 50 | 1.2 | 1 | -55 to +150 | -55 to +150 |
| 1SMA4748A | 22 | 19.8 | 24.2 | 40 | 14 | 50 | 1.2 | 1 | -55 to +150 | -55 to +150 |
| 1SMA4749A | 24 | 21.6 | 26.4 | 38 | 13 | 50 | 1.2 | 1 | -55 to +150 | -55 to +150 |
| 1SMA4750A | 27 | 24.3 | 29.7 | 35 | 12 | 50 | 1.2 | 1 | -55 to +150 | -55 to +150 |
| 1SMA4751A | 30 | 27.0 | 33.0 | 33 | 11 | 50 | 1.2 | 1 | -55 to +150 | -55 to +150 |
| 1SMA4752A | 33 | 29.7 | 36.3 | 30 | 10 | 50 | 1.2 | 1 | -55 to +150 | -55 to +150 |
| 1SMA4753A | 36 | 32.4 | 39.6 | 28 | 9.5 | 50 | 1.2 | 1 | -55 to +150 | -55 to +150 |
| 1SMA4754A | 39 | 35.1 | 42.9 | 27 | 8.5 | 50 | 1.2 | 1 | -55 to +150 | -55 to +150 |
| 1SMA4755A | 43 | 38.7 | 47.3 | 25 | 7.5 | 50 | 1.2 | 1 | -55 to +150 | -55 to +150 |
| 1SMA4756A | 47 | 42.3 | 51.7 | 23 | 7.0 | 50 | 1.2 | 1 | -55 to +150 | -55 to +150 |
| 1SMA4757A | 51 | 45.9 | 55.0 | 21 | 6.5 | 50 | 1.2 | 1 | -55 to +150 | -55 to +150 |
| 1SMA4758A | 56 | 50.4 | 61.6 | 20 | 6.0 | 50 | 1.2 | 1 | -55 to +150 | -55 to +150 |
| 1SMA4759A | 62 | 55.8 | 68.2 | 18 | 5.5 | 50 | 1.2 | 1 | -55 to +150 | -55 to +150 |
| 1SMA4760A | 68 | 61.2 | 74.8 | 16 | 5.0 | 50 | 1.2 | 1 | -55 to +150 | -55 to +150 |
| 1SMA4761A | 75 | 67.5 | 82.5 | 14 | 4.5 | 50 | 1.2 | 1 | -55 to +150 | -55 to +150 |
| 1SMA4762A | 82 | 73.8 | 90.2 | 13 | 4.0 | 50 | 1.2 | 1 | -55 to +150 | -55 to +150 |
| 1SMA4763A | 91 | 81.9 | 100.1 | 11 | 3.6 | 50 | 1.2 | 1 | -55 to +150 | -55 to +150 |
| 1SMA4764A | 100 | 90.0 | 110.0 | 10 | 3.2 | 50 | 1.2 | 1 | -55 to +150 | -55 to +150 |
| 1SMA4765A | 110 | 99.0 | 121.0 | 9.5 | 3.0 | 50 | 1.2 | 1 | -55 to +150 | -55 to +150 |
| 1SMA4766A | 120 | 108.0 | 132.0 | 8.5 | 2.8 | 50 | 1.2 | 1 | -55 to +150 | -55 to +150 |
| 1SMA4767A | 130 | 117.0 | 143.0 | 8.0 | 2.6 | 50 | 1.2 | 1 | -55 to +150 | -55 to +150 |
| 1SMA4768A | 150 | 135.0 | 165.0 | 7.0 | 2.3 | 50 | 1.2 | 1 | -55 to +150 | -55 to +150 |
| 1SMA4769A | 160 | 144.0 | 176.0 | 6.5 | 2.2 | 50 | 1.2 | 1 | -55 to +150 | -55 to +150 |
| 1SMA4770A | 170 | 153.0 | 187.0 | 6.0 | 2.0 | 50 | 1.2 | 1 | -55 to +150 | -55 to +150 |
| 1SMA4771A | 180 | 162.0 | 198.0 | 5.5 | 1.9 | 50 | 1.2 | 1 | -55 to +150 | -55 to +150 |
| 1SMA4772A | 190 | 171.0 | 209.0 | 5.0 | 1.7 | 50 | 1.2 | 1 | -55 to +150 | -55 to +150 |
| 1SMA4773A | 200 | 180.0 | 220.0 | 5.0 | 1.6 | 50 | 1.2 | 1 | -55 to +150 | -55 to +150 |
| 1SMA4774A | 220 | 198.0 | 242.0 | 4.5 | 1.4 | 50 | 1.2 | 1 | -55 to +150 | -55 to +150 |
| 1SMA4775A | 240 | 216.0 | 264.0 | 4.0 | 1.2 | 50 | 1.2 | 1 | -55 to +150 | -55 to +150 |
| 1SMA4776A | 250 | 225.0 | 275.0 | 4.0 | 1.0 | 50 | 1.2 | 1 | -55 to +150 | -55 to +150 |
| 1SMA4777A | 270 | 243.0 | 297.0 | 4.0 | 1.0 | 50 | 1.2 | 1 | -55 to +150 | -55 to +150 |
2201251830_Jingdao-Microelectronics-1SMA4749A_C2904473.pdf
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