1 Watt Surface Mount Zener Diode JSMSEMI JSM4734A for Voltage Regulation and Protection Applications
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Product Description
Product Overview
The JSM4728A-JSM4764A series are 1 Watt surface mount Zener diodes offering a complete voltage range from 3.3 to 100 volts. These diodes are designed for high peak reverse power dissipation and high reliability, featuring low leakage current and a standard zener voltage tolerance of 5%. They are suitable for various applications requiring precise voltage regulation and protection.
Product Attributes
- Brand: JSMICRO Semiconductor
- Series: JSM4728A-JSM4764A
- Type: 1 Watt Surface Mount Zener Diodes
- Case: SMA (DO-214AC)
- Molding: UL94V-O rate flame retardant epoxy
- Lead: Lead formed for Surface mount
- Polarity: Color band denotes cathode end
- Mounting Position: Any
Technical Specifications
| Type | Nominal Zener Voltage (V) | Max Zener Impedance () @ IZT | Max Reverse Leakage Current (A) @ VR | Max DC Zener Current (mA) @ IZT | Max Surge Current (mApk) |
| JSM4728A | 3.3 | 10 @ 76.0 mA | 100 @ 1.0 V | 276 | 1380 |
| JSM4729A | 3.6 | 10 @ 69.0 mA | 100 @ 1.0 V | 252 | 1260 |
| JSM4730A | 3.9 | 9.0 @ 64.0 mA | 50 @ 1.0 V | 234 | 1190 |
| JSM4731A | 4.3 | 9.0 @ 58.0 mA | 10 @ 1.0 V | 217 | 1070 |
| JSM4732A | 4.7 | 8.0 @ 53.0 mA | 10 @ 1.0 V | 193 | 970 |
| JSM4733A | 5.1 | 7.0 @ 49.0 mA | 10 @ 1.0 V | 178 | 890 |
| JSM4734A | 5.6 | 5.0 @ 45.0 mA | 10 @ 2.0 V | 162 | 810 |
| JSM4735A | 6.2 | 2.0 @ 41.0 mA | 10 @ 3.0 V | 146 | 730 |
| JSM4736A | 6.8 | 3.5 @ 37.0 mA | 50 @ 4.0 V | 133 | 660 |
| JSM4737A | 7.5 | 4.0 @ 34.0 mA | 50 @ 5.0 V | 121 | 605 |
| JSM4738A | 8.2 | 4.5 @ 31.0 mA | 50 @ 6.0 V | 110 | 550 |
| JSM4739A | 9.1 | 5.0 @ 28.0 mA | 50 @ 7.0 V | 100 | 500 |
| JSM4740A | 10 | 7.0 @ 25.0 mA | 50 @ 7.6 V | 91 | 454 |
| JSM4741A | 11 | 8.0 @ 23.0 mA | 50 @ 8.4 V | 83 | 414 |
| JSM4742A | 12 | 9.0 @ 21.0 mA | 5.0 @ 9.1 V | 76 | 380 |
| JSM4743A | 13 | 10 @ 19.0 mA | 5.0 @ 9.9 V | 69 | 344 |
| JSM4744A | 15 | 14 @ 17.0 mA | 5.0 @ 11.4 V | 61 | 305 |
| JSM4745A | 16 | 16 @ 15.5 mA | 5.0 @ 12.2 V | 57 | 285 |
| JSM4746A | 18 | 20 @ 14.0 mA | 5.0 @ 13.7 V | 50 | 250 |
| JSM4747A | 20 | 22 @ 12.5 mA | 5.0 @ 15.2 V | 45 | 225 |
| JSM4748A | 22 | 23 @ 11.5 mA | 5.0 @ 16.7 V | 41 | 205 |
| JSM4749A | 24 | 25 @ 10.5 mA | 5.0 @ 18.2 V | 38 | 190 |
| JSM4750A | 27 | 35 @ 9.5 mA | 5.0 @ 20.6 V | 34 | 170 |
| JSM4751A | 30 | 40 @ 8.5 mA | 5.0 @ 22.8 V | 30 | 150 |
| JSM4752A | 33 | 45 @ 7.5 mA | 5.0 @ 25.1 V | 27 | 135 |
| JSM4753A | 36 | 50 @ 7.0 mA | 5.0 @ 27.4 V | 25 | 125 |
| JSM4754A | 39 | 60 @ 6.5 mA | 5.0 @ 29.7 V | 23 | 115 |
| JSM4755A | 43 | 70 @ 6.0 mA | 5.0 @ 32.7 V | 22 | 110 |
| JSM4756A | 47 | 80 @ 5.5 mA | 5.0 @ 35.8 V | 19 | 95 |
| JSM4757A | 51 | 95 @ 5.0 mA | 5.0 @ 38.8 V | 18 | 90 |
| JSM4758A | 56 | 110 @ 4.5 mA | 5.0 @ 42.6 V | 16 | 80 |
| JSM4759A | 62 | 125 @ 4.0 mA | 5.0 @ 47.1 V | 14 | 70 |
| JSM4760A | 68 | 150 @ 3.7 mA | 5.0 @ 51.7 V | 13 | 65 |
| JSM4761A | 75 | 175 @ 3.3 mA | 5.0 @ 56.0 V | 12 | 60 |
| JSM4762A | 82 | 200 @ 3.0 mA | 5.0 @ 62.2 V | 11 | 55 |
| JSM4763A | 91 | 250 @ 2.8 mA | 5.0 @ 69.2 V | 10 | 50 |
| JSM4764A | 100 | 350 @ 2.5 mA | 5.0 @ 76.0 V | 9.0 | 45 |
Maximum Ratings
| Rating | Symbol | Value | Unit |
| DC Power Dissipation at TL = 75 C (Note1) | PD | 1.0 | W |
| Maximum Forward Voltage at IF = 200 mA | VF | 1.2 | V |
| Junction Temperature Range | TJ | -55 to +150 | C |
| Storage Temperature Range | Ts | -55 to +150 | C |
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