Voltage Stabilizing Zener Diode JSCJ 1SMA4734A Plastic Encapsulated for Electronic Circuit Protection
Product Overview
The 1SMA47xxA and 1SZ1xxxA series are plastic-encapsulated Zener diodes designed for voltage stabilization. They offer a wide range of Zener voltages from 3.0V to 300V, making them suitable for various electronic applications. The diodes feature a marking bar to indicate the cathode and are available in surface-mount packages with specific taping specifications.
Product Attributes
- Brand: JSCJ
- Origin: China (implied by manufacturer name and location)
- Material: Plastic-Encapsulated Diodes
- Certifications: None explicitly mentioned
Technical Specifications
| Part Number | Nominal Zener Voltage (Vz) | Max Power Dissipation (Pd) | Max Zener Current (IZT) | Max Reverse Leakage Current (IR) | Max Zener Impedance (ZZT) | Max Surge Current (IZM) | Forward Voltage (VF) |
| 1SMA4728A | 3.3 | 1 W | 76.0 mA | 1.0 A | 10.0 | 274.0 mA | 1.00 V |
| 1SMA4729A | 3.6 | 1 W | 69.0 mA | 1.0 A | 10.0 | 251.0 mA | 1.00 V |
| 1SMA4730A | 3.9 | 1 W | 64.0 mA | 1.0 A | 9.0 | 232.0 mA | 1.00 V |
| 1SMA4731A | 4.3 | 1 W | 58.0 mA | 1.0 A | 9.0 | 210.0 mA | 1.00 V |
| 1SMA4732A | 4.7 | 1 W | 53.0 mA | 1.0 A | 8.0 | 192.0 mA | 1.00 V |
| 1SMA4733A | 5.1 | 1 W | 49.0 mA | 1.0 A | 7.0 | 177.0 mA | 1.00 V |
| 1SMA4734A | 5.6 | 1 W | 45.0 mA | 2.0 A | 5.0 | 161.0 mA | 1.00 V |
| 1SMA4735A | 6.2 | 1 W | 41.0 mA | 3.0 A | 2.0 | 146.0 mA | 1.00 V |
| 1SMA4736A | 6.8 | 1 W | 37.0 mA | 4.0 A | 3.5 | 133.0 mA | 1.00 V |
| 1SMA4737A | 7.5 | 1 W | 34.0 mA | 5.0 A | 4.0 | 121.0 mA | 0.50 V |
| 1SMA4738A | 8.2 | 1 W | 31.0 mA | 6.0 A | 4.5 | 110.0 mA | 0.50 V |
| 1SMA4739A | 9.1 | 1 W | 28.0 mA | 7.0 A | 5.0 | 100.0 mA | 0.50 V |
| 1SMA4740A | 10.0 | 1 W | 25.0 mA | 7.6 A | 7.0 | 91.0 mA | 0.25 V |
| 1SMA4741A | 11.0 | 1 W | 23.0 mA | 8.4 A | 8.0 | 83.0 mA | 0.25 V |
| 1SMA4742A | 12.0 | 1 W | 21.0 mA | 9.1 A | 9.0 | 76.0 mA | 0.25 V |
| 1SMA4743A | 13.0 | 1 W | 19.0 mA | 9.9 A | 10.0 | 69.0 mA | 0.25 V |
| 1SMA4744A | 15.0 | 1 W | 17.0 mA | 11.4 A | 14.0 | 61.0 mA | 0.25 V |
| 1SMA4745A | 16.0 | 1 W | 15.5 mA | 12.2 A | 16.0 | 57.0 mA | 0.25 V |
| 1SMA4746A | 18.0 | 1 W | 14.0 mA | 13.7 A | 20.0 | 50.0 mA | 0.25 V |
| 1SMA4747A | 20.0 | 1 W | 12.5 mA | 15.2 A | 22.0 | 45.0 mA | 0.25 V |
| 1SMA4748A | 22.0 | 1 W | 11.5 mA | 16.7 A | 23.0 | 41.0 mA | 0.25 V |
| 1SMA4749A | 24.0 | 1 W | 10.5 mA | 18.2 A | 25.0 | 38.0 mA | 0.25 V |
| 1SMA4750A | 27.0 | 1 W | 9.5 mA | 20.6 A | 35.0 | 34.0 mA | 0.25 V |
| 1SMA4751A | 30.0 | 1 W | 8.5 mA | 22.8 A | 40.0 | 30.0 mA | 0.25 V |
| 1SMA4752A | 33.0 | 1 W | 7.5 mA | 25.1 A | 45.0 | 27.0 mA | 0.25 V |
| 1SMA4753A | 36.0 | 1 W | 7.0 mA | 27.4 A | 50.0 | 25.0 mA | 0.25 V |
| 1SMA4754A | 39.0 | 1 W | 6.5 mA | 29.7 A | 60.0 | 23.0 mA | 0.25 V |
| 1SMA4755A | 43.0 | 1 W | 6.0 mA | 32.7 A | 70.0 | 22.0 mA | 0.25 V |
| 1SMA4756A | 47.0 | 1 W | 5.5 mA | 35.8 A | 80.0 | 19.0 mA | 0.25 V |
| 1SMA4757A | 51.0 | 1 W | 5.0 mA | 38.8 A | 95.0 | 18.0 mA | 0.25 V |
| 1SMA4758A | 56.0 | 1 W | 4.5 mA | 42.6 A | 110.0 | 16.0 mA | 0.25 V |
| 1SMA4759A | 62.0 | 1 W | 4.0 mA | 47.1 A | 125.0 | 14.0 mA | 0.25 V |
| 1SMA4760A | 68.0 | 1 W | 3.7 mA | 51.7 A | 150.0 | 13.0 mA | 0.25 V |
| 1SMA4761A | 75.0 | 1 W | 3.3 mA | 56.0 A | 175.0 | 12.0 mA | 0.25 V |
| 1SMA4762A | 82.0 | 1 W | 3.0 mA | 62.2 A | 200.0 | 11.0 mA | 0.25 V |
| 1SMA4763A | 91.0 | 1 W | 2.8 mA | 69.2 A | 250.0 | 10.0 mA | 0.25 V |
| 1SMA4764A | 100.0 | 1 W | 2.5 mA | 76.0 A | 350.0 | 9.0 mA | 0.25 V |
| 1SZ1110A | 110.0 | 1 W | 2.3 mA | 83.6 A | 450.0 | 8.6 mA | 0.25 V |
| 1SZ1120A | 120.0 | 1 W | 2.0 mA | 91.2 A | 550.0 | 7.8 mA | 0.25 V |
| 1SZ1130A | 130.0 | 1 W | 1.9 mA | 98.8 A | 700.0 | 7.0 mA | 0.25 V |
| 1SZ1150A | 150.0 | 1 W | 1.7 mA | 114.0 A | 1000.0 | 6.4 mA | 0.25 V |
| 1SZ1160A | 160.0 | 1 W | 1.6 mA | 121.6 A | 1100.0 | 5.8 mA | 0.25 V |
| 1SZ1180A | 180.0 | 1 W | 1.4 mA | 136.8 A | 1200.0 | 5.2 mA | 0.25 V |
| 1SZ1200A | 200.0 | 1 W | 1.2 mA | 152.0 A | 1900.0 | 4.7 mA | 0.25 V |
| 1SZ1220A | 220.0 | 1 W | 1.0 mA | 167.2 A | 1600.0 | 4.0 mA | 0.25 V |
| 1SZ1240A | 240.0 | 1 W | 0.9 mA | 182.4 A | 1800.0 | 3.8 mA | 0.25 V |
| 1SZ1250A | 250.0 | 1 W | 0.9 mA | 190.0 A | 2000.0 | 3.6 mA | 0.25 V |
| 1SZ1270A | 270.0 | 1 W | 0.8 mA | 205.0 A | 2100.0 | 3.3 mA | 0.25 V |
| 1SZ1300A | 300.0 | 1 W | 0.8 mA | 228.0 A | 2300.0 | 3.0 mA | 0.25 V |
| 1SMA4727A | 3.0 | 1 W | 83.0 mA | 1.0 A | 10.0 | 274.0 mA | 1.00 V |
2409302302_JSCJ-1SMA4734A_C5158090.pdf
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