ST Semtech ZM4742APF-M Power Zener Diode Silicon Planar Type for Voltage Regulation and Clipping Circuit
Key Attributes
Model Number:
ZM4742APF-M
Product Custom Attributes
Reverse Leakage Current (Ir):
5uA
Pd - Power Dissipation:
1W
Impedance(Zzt):
9Ω
Zener Voltage(Range):
-
Zener Voltage(Nom):
12V
Impedance(Zzk):
700Ω
Mfr. Part #:
ZM4742APF-M
Package:
LL-41
Product Description
Product Overview
The ZM 4728...ZM 4764 series are silicon planar power Zener diodes designed for stabilizing and clipping circuits. They offer a high power rating and are available with standard 10% voltage tolerance, with 5% (suffix "A") and 2% (suffix "B") options available upon request. These diodes are also offered in a DO-41 case under the designation 1N4728...1N4764.
Product Attributes
- Brand: SEMTECH ELECTRONICS LTD.
- Origin: Subsidiary of Sino-Tech International Holdings Limited
- Certifications: Not specified
- Material: Silicon Planar
- Color: Not specified
Technical Specifications
| Type | Nominal Zener Voltage (Vz) @ IZT (mA) | Max. Zener Impedance (Vz) @ IZK (mA) | Max. Reverse Leakage Current (IR) @ VR (V) | Surge Current (IRM) (mA) | Max. Regulator Current (IZM) (mA) |
| ZM4728 | 3.3 @ 76 | 400 @ 1 | 1 @ 1 | 1375 | 275 |
| ZM4729 | 3.6 @ 69 | 400 @ 1 | 1 @ 1 | 1260 | 252 |
| ZM4730 | 3.9 @ 64 | 400 @ 1 | 1 @ 1 | 1190 | 234 |
| ZM4731 | 4.3 @ 58 | 400 @ 1 | 1 @ 1 | 1070 | 217 |
| ZM4732 | 4.7 @ 53 | 500 @ 1 | 1 @ 1 | 970 | 193 |
| ZM4733 | 5.1 @ 49 | 550 @ 1 | 1 @ 1 | 890 | 178 |
| ZM4734 | 5.6 @ 45 | 600 @ 1 | 2 @ 1 | 810 | 162 |
| ZM4735 | 6.2 @ 41 | 700 @ 1 | 3 @ 1 | 730 | 146 |
| ZM4736 | 6.8 @ 37 | 700 @ 3.5 | 4 @ 1 | 660 | 133 |
| ZM4737 | 7.5 @ 34 | 700 @ 4.0 | 5 @ 0.5 | 605 | 121 |
| ZM4738 | 8.2 @ 31 | 700 @ 4.5 | 6 @ 0.5 | 550 | 110 |
| ZM4739 | 9.1 @ 28 | 700 @ 5.0 | 7 @ 0.5 | 500 | 100 |
| ZM4740 | 10 @ 25 | 700 @ 7 | 7.6 @ 0.25 | 454 | 91 |
| ZM4741 | 11 @ 23 | 700 @ 8 | 8.4 @ 0.25 | 414 | 83 |
| ZM4742 | 12 @ 21 | 700 @ 9 | 9.1 @ 0.25 | 380 | 76 |
| ZM4743 | 13 @ 19 | 700 @ 10 | 9.9 @ 0.25 | 344 | 69 |
| ZM4744 | 15 @ 17 | 700 @ 14 | 11.4 @ 0.25 | 304 | 61 |
| ZM4745 | 16 @ 15.5 | 700 @ 16 | 12.2 @ 0.25 | 285 | 57 |
| ZM4746 | 18 @ 14 | 750 @ 20 | 13.7 @ 0.25 | 250 | 50 |
| ZM4747 | 20 @ 12.5 | 750 @ 22 | 15.2 @ 0.25 | 225 | 45 |
| ZM4748 | 22 @ 11.5 | 750 @ 23 | 16.7 @ 0.25 | 205 | 41 |
| ZM4749 | 24 @ 10.5 | 750 @ 25 | 18.2 @ 0.25 | 190 | 38 |
| ZM4750 | 27 @ 9.5 | 750 @ 35 | 20.6 @ 0.25 | 170 | 34 |
| ZM4751 | 30 @ 8.5 | 1000 @ 40 | 22.8 @ 0.25 | 150 | 30 |
| ZM4752 | 33 @ 7.5 | 1000 @ 45 | 25.1 @ 0.25 | 135 | 27 |
| ZM4753 | 36 @ 7.0 | 1000 @ 50 | 27.4 @ 0.25 | 125 | 25 |
| ZM4754 | 39 @ 6.5 | 1000 @ 60 | 29.7 @ 0.25 | 115 | 23 |
| ZM4755 | 43 @ 6.0 | 1500 @ 70 | 32.7 @ 0.25 | 110 | 22 |
| ZM4756 | 47 @ 5.5 | 1500 @ 80 | 35.8 @ 0.25 | 95 | 19 |
| ZM4757 | 51 @ 5.0 | 1500 @ 95 | 38.8 @ 0.25 | 90 | 18 |
| ZM4758 | 56 @ 4.5 | 2000 @ 110 | 42.6 @ 0.25 | 80 | 16 |
| ZM4759 | 62 @ 4.0 | 2000 @ 125 | 47.1 @ 0.25 | 70 | 14 |
| ZM4760 | 68 @ 3.7 | 2000 @ 150 | 51.7 @ 0.25 | 65 | 13 |
| ZM4761 | 75 @ 3.3 | 2000 @ 175 | 56.0 @ 0.25 | 60 | 12 |
| ZM4762 | 82 @ 3.0 | 3000 @ 200 | 62.2 @ 0.25 | 55 | 11 |
| ZM4763 | 91 @ 2.8 | 3000 @ 250 | 69.2 @ 0.25 | 50 | 10 |
| ZM4764 | 100 @ 2.5 | 3000 @ 350 | 76 @ 0.25 | 45 | 9 |
| Parameter | Value | Unit |
| Power Dissipation (Ptot) | 1 | W |
| Junction Temperature (Tj) | 175 | C |
| Storage Temperature Range (Ts) | -65 to +175 | C |
| Thermal Resistance (RthA) | 170 | K/W |
| Forward Voltage (VF) @ IF = 200mA | 1.2 | V |
2410121306_ST-Semtech-ZM4742APF-M_C7497539.pdf
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