Surface mount power voltage diode GOODWORK 1SMA4757A with molded plastic case and fast response time
Key Attributes
Model Number:
1SMA4757A
Product Custom Attributes
Operating Junction Temperature Range:
-65℃~+150℃
Impedance(Zzt):
95Ω
Diode Configuration:
Independent
Pd - Power Dissipation:
500mW
Zener Voltage(Range):
48.6V~54V
Zener Voltage(Nom):
51V
Mfr. Part #:
1SMA4757A
Package:
SMA
Product Description
Product Overview
The 1SMA4728A THRU 1SMA4777A series are surface mount power voltage-regulating diodes designed for a wide range of applications. They offer high temperature soldering, fast response times, excellent clamping capability, and a low profile package. These diodes are suitable for various voltage regulation needs from 3.3 to 300 Volts with a power rating of 1000mW.
Product Attributes
- Application: Surface Mount
- Case: Molded plastic
- Epoxy: UL 94V-0 rate flame retardant
- Lead: Solderable per MIL-STD-202, method 208 guaranteed
- Mounting Position: Any
- Weight: 0.063 grams
Technical Specifications
| Parameter | Symbol | Value | Unit | Notes |
| Maximum steady state power dissipation at TL = 75 C | Ptot | 1000 | mW | (1) |
| Maximum steady state power dissipation at TA = 25 C | Ptot | 500 | mW | (2) |
| Maximum instantaneous forward voltage at 200 mA for all types | VF | 1.5 | V | (3) |
| Operating junction and storage temperature range | TJ, TSTG | -65 to +150 | C | |
| Typical thermal resistance, junction to lead | JL | 50 | C/W | (1) |
| Typical thermal resistance, junction to ambient | JA | 250 | C/W | (2) |
| Type Marking | Zener Voltage Range VZT (at IZT) (V) | Nom (V) | Min (V) | Max (V) | IZT (mA) | ZZT (at IZT) Max () | IR at VR Max (A) | VR (V) | IZM (mA) |
| SMA4728A | 4.84 | 5.1 | 5.36 | 10 | 7.0 | 100 | 1 | 3.3 | 186 |
| SMA4729A | 5.32 | 5.6 | 5.92 | 10 | 7.0 | 170 | 1 | 3.10 | 170 |
| SMA4730A | 5.86 | 6.2 | 6.51 | 10 | 7.0 | 154 | 1 | 3.50 | 154 |
| SMA4731A | 6.46 | 6.8 | 7.18 | 10 | 7.0 | 127 | 1 | 4.0 | 127 |
| SMA4732A | 7.12 | 7.5 | 7.88 | 10 | 5.0 | 116 | 1 | 4.7 | 116 |
| SMA4733A | 7.79 | 8.2 | 8.67 | 10 | 5.0 | 104 | 1 | 5.3 | 104 |
| SMA4734A | 8.60 | 9.1 | 9.59 | 10 | 5.0 | 95 | 1 | 6.0 | 95 |
| SMA4735A | 9.50 | 10 | 10.5 | 5 | 5.0 | 86 | 1 | 7.0 | 86 |
| SMA4736A | 10.4 | 11 | 11.6 | 5 | 5.0 | 79 | 1 | 7.5 | 79 |
| SMA4737A | 11.4 | 12 | 12.6 | 5 | 5.0 | 71 | 1 | 8.0 | 71 |
| SMA4738A | 12.4 | 13 | 14.1 | 5 | 5.0 | 63 | 1 | 9.0 | 63 |
| SMA4739A | 13.8 | 15 | 15.8 | 5 | 5.0 | 58 | 1 | 10 | 58 |
| SMA4740A | 15.2 | 16 | 17.1 | 5 | 5.0 | 52 | 1 | 11 | 52 |
| SMA4741A | 16.8 | 18 | 19.2 | 5 | 5.0 | 47 | 1 | 12 | 47 |
| SMA4742A | 19.0 | 20 | 21.2 | 5 | 5.0 | 43 | 1 | 13 | 43 |
| SMA4743A | 20.8 | 22 | 23.3 | 5 | 5.0 | 38 | 1 | 15 | 38 |
| SMA4744A | 22.8 | 24 | 26.0 | 5 | 5.0 | 35 | 1 | 16 | 35 |
| SMA4745A | 25.3 | 27 | 28.9 | 5 | 5.0 | 32 | 1 | 18 | 32 |
| SMA4746A | 28.2 | 30 | 31.3 | 5 | 5.0 | 28 | 1 | 19 | 28 |
| SMA4747A | 31.3 | 33 | 34.2 | 5 | 5.0 | 26 | 1 | 22 | 26 |
| SMA4748A | 34.2 | 36 | 37.2 | 5 | 5.0 | 24 | 1 | 24 | 24 |
| SMA4749A | 37.2 | 39 | 41.5 | 5 | 5.0 | 23 | 1 | 25 | 23 |
| SMA4750A | 40.1 | 43 | 45.6 | 5 | 4.0 | 21 | 1 | 28 | 21 |
| SMA4751A | 43.7 | 47 | 49.8 | 5 | 4.0 | 20 | 1 | 30 | 20 |
| SMA4752A | 47.5 | 51 | 54.0 | 5 | 4.0 | 18 | 1 | 33 | 18 |
| SMA4753A | 51.3 | 56 | 58.8 | 5 | 4.0 | 17 | 1 | 36 | 17 |
| SMA4754A | 55.1 | 60 | 65.6 | 5 | 4.0 | 16 | 1 | 39 | 16 |
| SMA4755A | 58.9 | 64 | 71.7 | 5 | 3.5 | 15 | 1 | 43 | 15 |
| SMA4756A | 64.6 | 68 | 78.8 | 5 | 3.5 | 14 | 1 | 47 | 14 |
| SMA4757A | 71.7 | 75 | 87.0 | 5 | 3.5 | 13 | 1 | 50 | 13 |
| SMA4758A | 77.9 | 82 | 96.0 | 5 | 3.0 | 12 | 1 | 55 | 12 |
| SMA4759A | 86.0 | 91 | 105 | 5 | 3.0 | 11 | 1 | 60 | 11 |
| SMA4760A | 95.0 | 100 | 116 | 5 | 3.0 | 10 | 1 | 65 | 10 |
| SMA4761A | 104 | 110 | 127 | 5 | 3.0 | 9.5 | 1 | 70 | 9.5 |
| SMA4762A | 114 | 120 | 142 | 5 | 3.0 | 8.5 | 1 | 75 | 8.5 |
| SMA4763A | 124 | 130 | 157 | 5 | 3.0 | 7.5 | 1 | 80 | 7.5 |
| SMA4764A | 138 | 150 | 172 | 5 | 2.8 | 7.0 | 1 | 90 | 7.0 |
| SMA4765A | 152 | 160 | 191 | 5 | 2.8 | 6.5 | 1 | 95 | 6.5 |
| SMA4766A | 168 | 180 | 211 | 5 | 2.8 | 6.0 | 1 | 100 | 6.0 |
| SMA4767A | 190 | 200 | 231 | 5 | 2.8 | 5.5 | 1 | 120 | 5.5 |
| SMA4768A | 208 | 220 | 251 | 5 | 2.8 | 5.2 | 1 | 130 | 5.2 |
| SMA4769A | 228 | 240 | 271 | 5 | 2.8 | 5.0 | 1 | 140 | 5.0 |
| SMA4770A | 253 | 270 | 291 | 5 | 2.8 | 4.7 | 1 | 150 | 4.7 |
| SMA4771A | 282 | 300 | 315 | 5 | 2.8 | 4.5 | 1 | 170 | 4.5 |
| SMA4772A | 313 | 330 | 346 | 5 | 2.8 | 4.3 | 1 | 180 | 4.3 |
| SMA4773A | 342 | 360 | 379 | 5 | 2.8 | 4.0 | 1 | 200 | 4.0 |
| SMA4774A | 372 | 390 | 415 | 5 | 2.8 | 3.9 | 1 | 220 | 3.9 |
| SMA4775A | 401 | 430 | 456 | 5 | 2.8 | 3.7 | 1 | 240 | 3.7 |
| SMA4776A | 437 | 470 | 498 | 5 | 2.8 | 3.6 | 1 | 260 | 3.6 |
| SMA4777A | 475 | 510 | 540 | 5 | 2.8 | 3.4 | 1 | 280 | 3.4 |
2408021727_GOODWORK-1SMA4757A_C22449611.pdf
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