Electronic Zener diode luJing 1SMA4746A designed for stable voltage output and low dynamic impedance
Key Attributes
Model Number:
1SMA4746A
Product Custom Attributes
Mfr. Part #:
1SMA4746A
Package:
SMA
Product Description
Product Overview
This series of Zener diodes offers a wide voltage range from 3.3V to 100V, with a peak pulse power of 1000mW. Key features include low reverse leakage, low Zener impedance, and high stability and reliability. These diodes are suitable for various electronic applications requiring precise voltage regulation.
Product Attributes
- Case: SMA
- Polarity: Color band denotes cathode end
- Mounting Position: Any
Technical Specifications
| Part Number | Nominal Zener Voltage (Vz) | Test Current (Iz) | Max. Dynamic Impedance (Zzt) at Izt | Max. Reverse Leakage Current (Ir) at Vr | Max. Surge Current (Ism) | Unit |
|---|---|---|---|---|---|---|
| 1SMA4728A~1SMA4764A | 3.3 to 100 | - | - | - | - | V |
| Power Dissipation (Pd) | 1000 | mW | ||||
| Operating junction temperature (Tj) | -65 to +175 | C | ||||
| Storage temperature range (Tstg) | -65 to +175 | C | ||||
| Nominal Zener Voltage (Vz) | 5.28 | 1.47 | 60 | 0.203 | 60 | V @ mA |
| Nominal Zener Voltage (Vz) | 4.95 | 1.32 | 60 | 0.203 | 60 | V @ mA |
| Nominal Zener Voltage (Vz) | 4.50 | 1.52 | 60 | 0.203 | 60 | V @ mA |
| Nominal Zener Voltage (Vz) | 3.99 | 0.76 | 60 | 0.203 | 60 | V @ mA |
| Nominal Zener Voltage (Vz) | 2.40 | 0.305 | 60 | 0.203 | 60 | V @ mA |
| Nominal Zener Voltage (Vz) | 1.95 | 0.152 | 60 | 0.203 | 60 | V @ mA |
| Nominal Zener Voltage (Vz) | 1.52 | - | 60 | 0.203 | 60 | V @ mA |
| Nominal Zener Voltage (Vz) | 0.76 | - | 60 | 0.203 | 60 | V @ mA |
Ratings and Characteristic Curves
FIG1: Maximum Continuous Power Dissipation - Valid provided that electrodes are kept at ambient temperature.
FIG2: Typical Zener Impedance - Tested at rated Iz.
FIG3: Typical Temperature Coefficients
FIG4: Typical Instantaneous Forward Characteristics - For 60A, pulse width 10s, duty cycle 1%.
FIG5: Typical Reverse Characteristics
Notes
- Based on DC measurement at thermal equilibrium.
- Surge current is a non-repetitive 1.8ms pulse width square wave or equivalent sine wave superimposed on Izt per JEDEC method.
Dimensions
| Unit: mm | |
|---|---|
| 0.203MAX. | |
| 5.28 | |
| 4.95 |
2512021845_luJing-1SMA4746A_C53058787.pdf
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