High Reliability Surface Mount Silicon Zener Diode JSMSEMI 1SMA4749A with 5 Percent Voltage Tolerance
Key Attributes
Model Number:
1SMA4749A
Product Custom Attributes
Operating Junction Temperature Range:
-55℃~+150℃
Impedance(Zzt):
25Ω
Diode Configuration:
Independent
Pd - Power Dissipation:
1W
Zener Voltage(Range):
22.8V~25.2V
Zener Voltage(Nom):
24V
Impedance(Zzk):
750Ω
Mfr. Part #:
1SMA4749A
Package:
SMA
Product Description
Product Overview
The 1SMA4728A - 1SMA4764A series are surface mount silicon Zener diodes designed for a complete voltage range from 3.3 to 100 volts. These diodes offer high peak reverse power dissipation, high reliability, and low leakage current, making them suitable for various applications requiring stable voltage regulation. The standard zener voltage tolerance is 5%.
Product Attributes
- Brand: JSMICRO Semiconductor
- Series: 1SMA4728A - 1SMA4764A
- Material: Silicon
- Certifications: MIL-STD-750, Method 2026
- Polarity: Cathode Band or Cathode Notch
- Marking: Type Number
- Weight: 0.064 grams (approx.)
- Case: SMA/DO-214AC, Molded Plastic
- Terminals: Solder Plated, Solderable
Technical Specifications
| Type | Nominal Zener Voltage (V) @ IZT (mA) | Max Zener Current (mA) | Max Reverse Leakage Current (A) @ VR (V) | Max DC Power Dissipation (W) at TL = 75 C | Max Forward Voltage (V) at IF = 200 mA | Junction Temperature Range (C) | Storage Temperature Range (C) |
| 1SMA4728A | 3.3 @ 76.0 | 100 | 1.0 @ 276 | 1.0 | 1.2 | - 55 to + 150 | - 55 to + 150 |
| 1SMA4729A | 3.6 @ 69.0 | 100 | 1.0 @ 252 | 1.0 | 1.2 | - 55 to + 150 | - 55 to + 150 |
| 1SMA4730A | 3.9 @ 64.0 | 50 | 1.0 @ 234 | 1.0 | 1.2 | - 55 to + 150 | - 55 to + 150 |
| 1SMA4731A | 4.3 @ 58.0 | 10 | 1.0 @ 217 | 1.0 | 1.2 | - 55 to + 150 | - 55 to + 150 |
| 1SMA4732A | 4.7 @ 53.0 | 10 | 1.0 @ 193 | 1.0 | 1.2 | - 55 to + 150 | - 55 to + 150 |
| 1SMA4733A | 5.1 @ 49.0 | 10 | 1.0 @ 178 | 1.0 | 1.2 | - 55 to + 150 | - 55 to + 150 |
| 1SMA4734A | 5.6 @ 45.0 | 10 | 2.0 @ 162 | 1.0 | 1.2 | - 55 to + 150 | - 55 to + 150 |
| 1SMA4735A | 6.2 @ 41.0 | 10 | 3.0 @ 146 | 1.0 | 1.2 | - 55 to + 150 | - 55 to + 150 |
| 1SMA4736A | 6.8 @ 37.0 | 50 | 4.0 @ 133 | 1.0 | 1.2 | - 55 to + 150 | - 55 to + 150 |
| 1SMA4737A | 7.5 @ 34.0 | 50 | 5.0 @ 121 | 0.5 | 1.2 | - 55 to + 150 | - 55 to + 150 |
| 1SMA4738A | 8.2 @ 31.0 | 50 | 6.0 @ 110 | 0.5 | 1.2 | - 55 to + 150 | - 55 to + 150 |
| 1SMA4739A | 9.1 @ 28.0 | 50 | 7.0 @ 100 | 0.5 | 1.2 | - 55 to + 150 | - 55 to + 150 |
| 1SMA4740A | 10 @ 25.0 | 50 | 7.6 @ 91 | 0.25 | 1.2 | - 55 to + 150 | - 55 to + 150 |
| 1SMA4741A | 11 @ 23.0 | 50 | 8.4 @ 83 | 0.25 | 1.2 | - 55 to + 150 | - 55 to + 150 |
| 1SMA4742A | 12 @ 21.0 | 5.0 | 9.1 @ 76 | 0.25 | 1.2 | - 55 to + 150 | - 55 to + 150 |
| 1SMA4743A | 13 @ 19.0 | 5.0 | 9.9 @ 69 | 0.25 | 1.2 | - 55 to + 150 | - 55 to + 150 |
| 1SMA4744A | 15 @ 17.0 | 5.0 | 11.4 @ 61 | 0.25 | 1.2 | - 55 to + 150 | - 55 to + 150 |
| 1SMA4745A | 16 @ 15.5 | 5.0 | 12.2 @ 57 | 0.25 | 1.2 | - 55 to + 150 | - 55 to + 150 |
| 1SMA4746A | 18 @ 14.0 | 5.0 | 13.7 @ 50 | 0.25 | 1.2 | - 55 to + 150 | - 55 to + 150 |
| 1SMA4747A | 20 @ 12.5 | 5.0 | 15.2 @ 45 | 0.25 | 1.2 | - 55 to + 150 | - 55 to + 150 |
| 1SMA4748A | 22 @ 11.5 | 5.0 | 16.7 @ 41 | 0.25 | 1.2 | - 55 to + 150 | - 55 to + 150 |
| 1SMA4749A | 24 @ 10.5 | 5.0 | 18.2 @ 38 | 0.25 | 1.2 | - 55 to + 150 | - 55 to + 150 |
| 1SMA4750A | 27 @ 9.5 | 5.0 | 20.6 @ 34 | 0.25 | 1.2 | - 55 to + 150 | - 55 to + 150 |
| 1SMA4751A | 30 @ 8.5 | 5.0 | 22.8 @ 30 | 0.25 | 1.2 | - 55 to + 150 | - 55 to + 150 |
| 1SMA4752A | 33 @ 7.5 | 5.0 | 25.1 @ 27 | 0.25 | 1.2 | - 55 to + 150 | - 55 to + 150 |
| 1SMA4753A | 36 @ 7.0 | 5.0 | 27.4 @ 25 | 0.25 | 1.2 | - 55 to + 150 | - 55 to + 150 |
| 1SMA4754A | 39 @ 6.5 | 5.0 | 29.7 @ 23 | 0.25 | 1.2 | - 55 to + 150 | - 55 to + 150 |
| 1SMA4755A | 43 @ 6.0 | 5.0 | 32.7 @ 22 | 0.25 | 1.2 | - 55 to + 150 | - 55 to + 150 |
| 1SMA4756A | 47 @ 5.5 | 5.0 | 35.8 @ 19 | 0.25 | 1.2 | - 55 to + 150 | - 55 to + 150 |
| 1SMA4757A | 51 @ 5.0 | 5.0 | 38.8 @ 18 | 0.25 | 1.2 | - 55 to + 150 | - 55 to + 150 |
| 1SMA4758A | 56 @ 4.5 | 5.0 | 42.6 @ 16 | 0.25 | 1.2 | - 55 to + 150 | - 55 to + 150 |
| 1SMA4759A | 62 @ 4.0 | 5.0 | 47.1 @ 14 | 0.25 | 1.2 | - 55 to + 150 | - 55 to + 150 |
| 1SMA4760A | 68 @ 3.7 | 5.0 | 51.7 @ 13 | 0.25 | 1.2 | - 55 to + 150 | - 55 to + 150 |
| 1SMA4761A | 75 @ 3.3 | 5.0 | 56.0 @ 12 | 0.25 | 1.2 | - 55 to + 150 | - 55 to + 150 |
| 1SMA4762A | 82 @ 3.0 | 5.0 | 62.2 @ 11 | 0.25 | 1.2 | - 55 to + 150 | - 55 to + 150 |
| 1SMA4763A | 91 @ 2.8 | 5.0 | 69.2 @ 10 | 0.25 | 1.2 | - 55 to + 150 | - 55 to + 150 |
| 1SMA4764A | 100 @ 2.5 | 5.0 | 76.0 @ 9.0 | 0.25 | 1.2 | - 55 to + 150 | - 55 to + 150 |
2403011756_JSMSEMI-1SMA4749A_C20754787.pdf
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