ST Semtech SM4742A Zener Diode with High Peak Reverse Power Dissipation and Low Leakage Current
Key Attributes
Model Number:
SM4742A
Product Custom Attributes
Operating Junction Temperature Range:
-55℃~+150℃
Reverse Leakage Current (Ir):
5uA@9V
Pd - Power Dissipation:
1W
Impedance(Zzt):
9Ω
Zener Voltage(Range):
11.4V~12.6V
Zener Voltage(Nom):
12V
Mfr. Part #:
SM4742A
Package:
SMAF
Product Description
Product Overview
The TOP DYNAMIC SM4728A~SM4777A series are surface mount silicon Zener diodes designed for applications requiring high peak reverse power dissipation and low leakage current. These diodes are suitable for various electronic circuits where stable voltage reference is needed.
Product Attributes
- Brand: TOP DYNAMIC
- Series: SM4728A~SM4777A
Technical Specifications
| Type | Marking Code | Zener Voltage Range (V) Min. | Zener Voltage Range (V) Nom. | Zener Voltage Range (V) Max. | IZT (mA) | ZZT (Max. ) | IR at VR (Max. A) | IZM (mA) | |
| SM4728A | 728A | 3.10 | 3.3 | 3.50 | 75 | 10 | 100 | 285 | |
| SM4729A | 729A | 3.40 | 3.6 | 3.80 | 69 | 10 | 100 | 263 | |
| SM4730A | 730A | 3.70 | 3.9 | 4.10 | 64 | 9.0 | 50 | 243 | |
| SM4731A | 731A | 4.06 | 4.3 | 4.56 | 58 | 9.0 | 25 | 219 | |
| SM4732A | 732A | 4.50 | 4.7 | 4.93 | 53 | 8.0 | 10 | 203 | |
| SM4733A | 733A | 4.84 | 5.1 | 5.36 | 49 | 7.0 | 10 | 186 | |
| SM4734A | 734A | 5.32 | 5.6 | 5.92 | 45 | 5.0 | 10 | 170 | |
| SM4735A | 735A | 5.86 | 6.2 | 6.51 | 41 | 2.0 | 10 | 154 | |
| SM4736A | 736A | 6.46 | 6.8 | 7.18 | 37 | 3.5 | 10 | 140 | |
| SM4737A | 737A | 7.12 | 7.5 | 7.88 | 34 | 4.0 | 10 | 127 | |
| SM4738A | 738A | 7.79 | 8.2 | 8.67 | 31 | 4.5 | 10 | 116 | |
| SM4739A | 739A | 8.60 | 9.1 | 9.59 | 28 | 5.0 | 10 | 104 | |
| SM4740A | 740A | 9.50 | 10 | 10.5 | 25 | 7.0 | 10 | 95 | |
| SM4741A | 741A | 10.4 | 11 | 11.6 | 23 | 8.0 | 5 | 86 | |
| SM4742A | 742A | 11.4 | 12 | 12.6 | 21 | 9.0 | 5 | 79 | |
| SM4743A | 743A | 12.4 | 13 | 14.1 | 19 | 10 | 5 | 71 | |
| SM4744A | 744A | 14.25 | 15 | 15.75 | 17 | 14 | 5 | 61 | |
| SM4745A | 745A | 15.2 | 16 | 17.1 | 16 | 16 | 5 | 58 | |
| SM4746A | 746A | 16.8 | 18 | 19.2 | 14 | 20 | 5 | 52 | |
| SM4747A | 747A | 19.0 | 20 | 21.2 | 13 | 22 | 5 | 47 | |
| SM4748A | 748A | 20.8 | 22 | 23.3 | 12 | 23 | 5 | 43 | |
| SM4749A | 749A | 22.8 | 24 | 25.2 | 11 | 25 | 5 | 38 | |
| SM4750A | 750A | 25.3 | 27 | 28.9 | 9.5 | 35 | 5 | 35 | |
| SM4751A | 751A | 28.2 | 30 | 32.0 | 8.5 | 40 | 5 | 31 | |
| SM4752A | 752A | 31.3 | 33 | 34.9 | 7.5 | 45 | 5 | 28 | |
| SM4753A | 753A | 34.2 | 36 | 37.9 | 7.0 | 50 | 5 | 26 | |
| SM4754A | 754A | 37.2 | 39 | 41.5 | 6.5 | 60 | 5 | 24 | |
| SM4755A | 755A | 40.9 | 43 | 45.6 | 6.0 | 70 | 1 | 22 | |
| SM4756A | 756A | 44.9 | 47 | 49.8 | 5.5 | 80 | 1 | 20 | |
| SM4757A | 757A | 48.6 | 51 | 54.0 | 5.0 | 95 | 1 | 18 | |
| SM4758A | 758A | 53.6 | 56 | 58.6 | 4.5 | 110 | 1 | 17 | |
| SM4759A | 759A | 58.9 | 62 | 65.6 | 4.0 | 125 | 1 | 15 | |
| SM4760A | 760A | 64.6 | 68 | 71.7 | 3.7 | 150 | 1 | 14 | |
| SM4761A | 761A | 71.2 | 75 | 78.8 | 3.3 | 1 | 175 | 1 | 12 |
| SM4762A | 762A | 77.9 | 82 | 87.0 | 3.0 | 200 | 1 | 11 | |
| SM4763A | 763A | 86.0 | 91 | 96.0 | 2.8 | 250 | 1 | 10 | |
| SM4764A | 764A | 95.0 | 100 | 105 | 2.5 | 350 | 1 | 9.5 | |
| SM4765A | 765A | 104 | 110 | 116 | 2.3 | 450 | 1 | 8.6 | |
| SM4766A | 766A | 114 | 120 | 127 | 2.0 | 550 | 1 | 7.8 | |
| SM4767A | 767A | 125 | 135 | 142 | 1.9 | 700 | 1 | 7.0 | |
| SM4768A | 768A | 140 | 150 | 157 | 1.7 | 900 | 1 | 6.3 | |
| SM4769A | 769A | 155 | 165 | 172 | 1.6 | 1100 | 1 | 5.8 | |
| SM4770A | 770A | 170 | 180 | 191 | 1.4 | 1200 | 1 | 5.2 | |
| SM4771A | 771A | 189 | 200 | 211 | 1.2 | 1400 | 1 | 4.7 | |
| SM4772A | 772A | 209 | 220 | 231 | 1.0 | 1600 | 1 | 4.3 | |
| SM4773A | 773A | 229 | 240 | 251 | 1.0 | 1800 | 1 | 3.9 | |
| SM4774A | 774A | 249 | 260 | 271 | 1.0 | 2000 | 1 | 3.7 | |
| SM4775A | 775A | 269 | 280 | 291 | 1.0 | 2100 | 1 | 3.4 | |
| SM4776A | 776A | 289 | 300 | 315 | 1.0 | 2300 | 1 | 3.1 | |
| SM4777A | 777A | 313 | 330 | 346 | 1.0 | 2500 | 1 | 2.8 |
Note: VZT is tested with pulses (20 ms).
2409271403_ST-Semtech-SM4742A_C3249913.pdf
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