5 Percent Voltage Tolerance Power Zener Diode ST Semtech ZM4733A Silicon Planar with LL41 Case Style
Product Overview
The SEMTECH ZM4727...ZM4761 series are silicon planar power Zener diodes designed for stabilizing and clipping circuits. They offer a high power rating and come with standard Zener voltage tolerance of 10%. Suffix "A" denotes 5% tolerance, and suffix "B" denotes 2% tolerance. Other tolerances are available upon request. These diodes are also available in a DO-41 case with type designation 1N4727...1N4761.
Product Attributes
- Brand: SEMTECH ELECTRONICS LTD.
- Material: Silicon Planar
- Case Style: LL-41 (also available in DO-41)
Technical Specifications
| Type | Zener Voltage (V) VZnom at IZT (mA) | Dynamic Resistance () ZZT at IZK (mA) | Dynamic Resistance () ZZK at IZK (mA) | Reverse Current (A) IR at VR (V) | Maximum Surge Current (mA) IZSM | Maximum Regulator Current (mA) IZM |
| ZM4727 | 3 @ 83 | 10 @ 400 | 1 @ 150 | 1 @ 1375 | 275 | 150 |
| ZM4728 | 3.3 @ 76 | 10 @ 400 | 1 @ 150 | 1 @ 1375 | 275 | 150 |
| ZM4729 | 3.6 @ 69 | 10 @ 400 | 1 @ 100 | 1 @ 1260 | 252 | 100 |
| ZM4730 | 3.9 @ 64 | 9 @ 400 | 1 @ 100 | 1 @ 1190 | 234 | 100 |
| ZM4731 | 4.3 @ 58 | 9 @ 400 | 1 @ 50 | 1 @ 1070 | 217 | 50 |
| ZM4732 | 4.7 @ 53 | 8 @ 500 | 1 @ 10 | 1 @ 970 | 193 | 10 |
| ZM4733 | 5.1 @ 49 | 7 @ 550 | 1 @ 10 | 1 @ 890 | 178 | 10 |
| ZM4734 | 5.6 @ 45 | 5 @ 600 | 2 @ 10 | 2 @ 810 | 162 | 10 |
| ZM4735 | 6.2 @ 41 | 2 @ 700 | 3 @ 10 | 3 @ 730 | 146 | 10 |
| ZM4736 | 6.8 @ 37 | 3.5 @ 700 | 4 @ 10 | 4 @ 660 | 133 | 10 |
| ZM4737 | 7.5 @ 34 | 4 @ 700 | 5 @ 10 | 5 @ 605 | 121 | 10 |
| ZM4738 | 8.2 @ 31 | 4.5 @ 700 | 6 @ 10 | 6 @ 550 | 110 | 10 |
| ZM4739 | 9.1 @ 28 | 5 @ 700 | 7 @ 10 | 7 @ 500 | 100 | 10 |
| ZM4740 | 10 @ 25 | 7 @ 700 | 7.6 @ 10 | 7.6 @ 454 | 91 | 10 |
| ZM4741 | 11 @ 23 | 8 @ 700 | 8.4 @ 5 | 8.4 @ 414 | 83 | 5 |
| ZM4742 | 12 @ 21 | 9 @ 700 | 9.1 @ 5 | 9.1 @ 380 | 76 | 5 |
| ZM4743 | 13 @ 19 | 10 @ 700 | 9.9 @ 5 | 9.9 @ 344 | 69 | 5 |
| ZM4744 | 15 @ 17 | 14 @ 700 | 11.4 @ 5 | 11.4 @ 304 | 61 | 5 |
| ZM4745 | 16 @ 15.5 | 16 @ 700 | 12.2 @ 5 | 12.2 @ 285 | 57 | 5 |
| ZM4746 | 18 @ 14 | 20 @ 750 | 13.7 @ 5 | 13.7 @ 250 | 50 | 5 |
| ZM4747 | 20 @ 12.5 | 22 @ 750 | 15.2 @ 5 | 15.2 @ 225 | 45 | 5 |
| ZM4748 | 22 @ 11.5 | 23 @ 750 | 16.7 @ 5 | 16.7 @ 205 | 41 | 5 |
| ZM4749 | 24 @ 10.5 | 25 @ 750 | 18.2 @ 5 | 18.2 @ 190 | 38 | 5 |
| ZM4750 | 27 @ 9.5 | 35 @ 750 | 20.6 @ 5 | 20.6 @ 170 | 34 | 5 |
| ZM4751 | 30 @ 8.5 | 40 @ 1000 | 22.8 @ 5 | 22.8 @ 150 | 30 | 5 |
| ZM4752 | 33 @ 7.5 | 45 @ 1000 | 25.1 @ 5 | 25.1 @ 135 | 27 | 5 |
| ZM4753 | 36 @ 7 | 50 @ 1000 | 27.4 @ 5 | 27.4 @ 125 | 25 | 5 |
| ZM4754 | 39 @ 6.5 | 60 @ 1000 | 29.7 @ 5 | 29.7 @ 115 | 23 | 5 |
| ZM4755 | 43 @ 6 | 70 @ 1500 | 32.7 @ 5 | 32.7 @ 110 | 22 | 5 |
| ZM4756 | 47 @ 5.5 | 80 @ 1500 | 35.8 @ 5 | 35.8 @ 95 | 19 | 5 |
| ZM4757 | 51 @ 5 | 95 @ 1500 | 38.8 @ 5 | 38.8 @ 90 | 18 | 5 |
| ZM4758 | 56 @ 4.5 | 110 @ 2000 | 42.6 @ 5 | 42.6 @ 80 | 16 | 5 |
| ZM4759 | 62 @ 4 | 125 @ 2000 | 47.1 @ 5 | 47.1 @ 70 | 14 | 5 |
| ZM4760 | 68 @ 3.7 | 150 @ 2000 | 51.7 @ 5 | 51.7 @ 65 | 13 | 5 |
| ZM4761 | 75 @ 3.3 | 175 @ 2000 | 56 @ 5 | 56 @ 60 | 12 | 5 |
| Parameter | Symbol | Value | Unit |
| Power Dissipation | Ptot | 1 | W |
| Junction Temperature | Tj | 175 | |
| Storage Temperature Range | Tstg | -65 to +175 | |
| Thermal Resistance Junction to Ambient Air | RJA | 170 | K/W |
| Forward Voltage at IF = 200 mA | VF | 1.2 | V |
2410121257_ST-Semtech-ZM4733A_C26630.pdf
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