General Purpose DO41G Zener Diode luJing 1N4749A with Low Leakage and High Surge Current Capability
DO-41G ZENER DIODES
Product Overview
The DO-41G Zener Diodes offer a voltage range from 3.3V to 100V with a peak pulse power of 1000mW. These diodes are characterized by low leakage and low Zener impedance, featuring a glass-passivated junction for high stability and reliability. They are designed for general-purpose use and are suitable for various voltage regulation and transient suppression applications.
Product Attributes
- Case: DO-41 (Molded glass body)
- Polarity: Color band denotes cathode end
- Mounting Position: Any
Technical Specifications
| Part Number | Nominal Zener Voltage (Vz at Izt) (V) | Test Current (Izt) (mA) | Maximum Dynamic Impedance (Zzt at Izt) () | Maximum Reverse Leakage Current (IzK at Vr) (A) | Surge Current (Izm) (A) | Maximum Regulator Current (mA) |
|---|---|---|---|---|---|---|
| 1N4728A | 3.3 | 76 | 10 | 400 | 1 | 100 |
| 1N4729A | 3.6 | 69 | 10 | 400 | 1 | 100 |
| 1N4730A | 3.9 | 64 | 9 | 400 | 1 | 50 |
| 1N4731A | 4.3 | 58 | 9 | 400 | 1 | 10 |
| 1N4732A | 4.7 | 53 | 8 | 500 | 1 | 10 |
| 1N4733A | 5.1 | 49 | 7 | 550 | 1 | 10 |
| 1N4734A | 5.6 | 45 | 5 | 600 | 1 | 10 |
| 1N4735A | 6.2 | 41 | 2 | 700 | 1 | 10 |
| 1N4736A | 6.8 | 37 | 3.5 | 700 | 1 | 10 |
| 1N4737A | 7.5 | 34 | 4 | 700 | 0.5 | 10 |
| 1N4738A | 8.2 | 31 | 4.5 | 700 | 0.5 | 10 |
| 1N4739A | 9.1 | 28 | 5 | 700 | 0.5 | 10 |
| 1N4740A | 10 | 25 | 7 | 700 | 0.25 | 10 |
| 1N4741A | 11 | 23 | 8 | 700 | 0.25 | 5 |
| 1N4742A | 12 | 21 | 9 | 700 | 0.25 | 5 |
| 1N4743A | 13 | 19 | 10 | 700 | 0.25 | 5 |
| 1N4744A | 15 | 17 | 14 | 700 | 0.25 | 5 |
| 1N4745A | 16 | 15.5 | 16 | 700 | 0.25 | 5 |
| 1N4746A | 18 | 14 | 20 | 750 | 0.25 | 5 |
| 1N4747A | 20 | 12.5 | 22 | 750 | 0.25 | 5 |
| 1N4748A | 22 | 11.5 | 23 | 750 | 0.25 | 5 |
| 1N4749A | 24 | 10.5 | 25 | 750 | 0.25 | 5 |
| 1N4750A | 27 | 9.5 | 35 | 750 | 0.25 | 5 |
| 1N4751A | 30 | 8.5 | 40 | 1000 | 0.25 | 5 |
| 1N4752A | 33 | 7.5 | 45 | 1000 | 0.25 | 5 |
| 1N4753A | 36 | 7 | 50 | 1000 | 0.25 | 5 |
| 1N4754A | 39 | 6.5 | 60 | 1000 | 0.25 | 5 |
| 1N4755A | 43 | 6 | 70 | 1500 | 0.25 | 5 |
| 1N4756A | 47 | 5.5 | 80 | 1500 | 0.25 | 5 |
| 1N4757A | 51 | 5 | 95 | 1500 | 0.25 | 5 |
| 1N4758A | 56 | 4.5 | 110 | 2000 | 0.25 | 5 |
| 1N4759A | 62 | 4 | 125 | 2000 | 0.25 | 5 |
| 1N4760A | 68 | 3.7 | 150 | 2000 | 0.25 | 5 |
| 1N4761A | 75 | 3.3 | 175 | 2000 | 0.25 | 5 |
| 1N4762A | 82 | 3.0 | 200 | 3000 | 0.25 | 5 |
| 1N4763A | 91 | 2.8 | 250 | 3000 | 0.25 | 5 |
| 1N4764A | 100 | 2.5 | 350 | 3000 | 0.25 | 5 |
| Parameters | Symbols | Value | Units |
|---|---|---|---|
| Power Dissipation | PD | 1000 | mW |
| Junction Temperature | TJ | 200 | C |
| Storage Temperature Range | TSTG | -55 to +200 | C |
| Thermal resistance junction ambient (Note 1) | RJA | 0.3 | K/mW |
| Forward voltage at IF=200mA | VF | 1.1 | V |
Note 1: Valid provided that leads at a distance of 8mm from case are kept at ambient temperature.
Note: Tolerance of Zener voltage is 5% for suffix "A", 10% for suffix "C", 20% for suffix "D" for 1N4728A~1N4764A.
Dimensions
DO-41 (GLASS)
MAX: 1.10 (27.9) MIN. 0.107 (2.7) MAX 0.217 (5.51) MAX 1.0 2 (27.9) MIN. 0.027 (0.7)
Charts
Admissible Power Dissipation versus Ambient Temperature
Valid provided that leads are kept at ambient temperature at a distance of 10mm from case.
2512021845_luJing-1N4749A_C53058780.pdf
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