power voltage regulating diode GOODWORK 1SMA4740A with low profile package and UL 94V 0 epoxy flame retardant
Key Attributes
Model Number:
1SMA4740A
Product Custom Attributes
Operating Junction Temperature Range:
-65℃~+150℃
Impedance(Zzt):
7Ω
Diode Configuration:
Independent
Pd - Power Dissipation:
500mW
Zener Voltage(Range):
9.5V~10.5V
Zener Voltage(Nom):
10V
Mfr. Part #:
1SMA4740A
Package:
SMA
Product Description
Product Overview
The 1SMA4728A THRU 1SMA4777A series are surface mount power voltage-regulating diodes designed for high-temperature soldering applications. Featuring fast response times, excellent clamping capability, and low leakage current, these diodes are suitable for a wide range of voltage regulation applications.
Product Attributes
- Application: Surface mount
- High temperature soldering guaranteed: 260 C / 10 seconds
- Fast response time: Typically less than 1.0ps
- Built-in strain relief
- Excellent clamping capability
- Low profile package
- Case: Molded plastic
- Epoxy: UL 94V-0 rate flame retardant
- Lead: Solderable per MIL-STD-202, method 208 guaranteed
- Polarity: Color band denotes cathode end except Bidirectional
- 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) | ZT IZT (mA) | Dynamic Impedance ZZT (at IZT) Max () | Reverse Current IR at VR Max (A) | VR (V) | Admissible Zener Current IZM (mA) |
| SMA4728A | 4.84 - 5.36 | 10 | 10 | 100 | 1 | 186 |
| SMA4729A | 5.32 - 5.92 | 10 | 10 | 100 | 1 | 170 |
| SMA4730A | 5.86 - 6.51 | 10 | 10 | 100 | 1 | 154 |
| SMA4731A | 6.46 - 7.18 | 10 | 10 | 100 | 1 | 127 |
| SMA4732A | 7.12 - 7.88 | 10 | 10 | 100 | 1 | 116 |
| SMA4733A | 7.79 - 8.67 | 10 | 10 | 100 | 1 | 104 |
| SMA4734A | 8.60 - 9.59 | 10 | 10 | 100 | 1 | 95 |
| SMA4735A | 9.50 - 10.5 | 10 | 5 | 50 | 1 | 86 |
| SMA4736A | 10.4 - 11.6 | 10 | 5 | 25 | 1 | 79 |
| SMA4737A | 11.4 - 12.6 | 10 | 5 | 10 | 1 | 71 |
| SMA4738A | 12.4 - 13.8 | 10 | 5 | 5 | 1 | 63 |
| SMA4739A | 13.8 - 15.2 | 10 | 5 | 4 | 1 | 58 |
| SMA4740A | 15.2 - 16.8 | 10 | 5 | 3.5 | 1 | 52 |
| SMA4741A | 16.8 - 18.2 | 10 | 5 | 3.5 | 1 | 47 |
| SMA4742A | 18.2 - 20.1 | 10 | 5 | 3.3 | 1 | 43 |
| SMA4743A | 20.0 - 22.1 | 10 | 5 | 3.1 | 1 | 38 |
| SMA4744A | 21.9 - 24.2 | 10 | 5 | 3.1 | 1 | 35 |
| SMA4745A | 24.0 - 26.5 | 10 | 5 | 3.1 | 1 | 313 |
| SMA4746A | 26.3 - 29.1 | 10 | 5 | 3.1 | 1 | 346 |
| SMA4747A | 28.9 - 32.0 | 10 | 5 | 3.1 | 1 | 300 |
| SMA4748A | 31.3 - 34.9 | 10 | 5 | 3.1 | 1 | 330 |
| SMA4749A | 34.2 - 37.9 | 10 | 5 | 3.1 | 1 | 285 |
| SMA4750A | 37.2 - 41.5 | 10 | 5 | 3.1 | 1 | 263 |
| SMA4751A | 40.0 - 44.5 | 5 | 5 | 2.8 | 1 | 243 |
| SMA4752A | 45.0 - 50.0 | 5 | 5 | 2.8 | 1 | 219 |
| SMA4753A | 50.0 - 55.0 | 5 | 5 | 2.8 | 1 | 203 |
| SMA4754A | 55.0 - 60.5 | 5 | 5 | 2.8 | 1 | 186 |
| SMA4755A | 60.5 - 66.5 | 5 | 5 | 2.8 | 1 | 170 |
| SMA4756A | 66.5 - 73.5 | 5 | 5 | 2.8 | 1 | 154 |
| SMA4757A | 70.0 - 77.0 | 5 | 5 | 2.8 | 1 | 140 |
| SMA4758A | 75.0 - 82.5 | 5 | 5 | 2.8 | 1 | 127 |
| SMA4759A | 82.0 - 90.0 | 5 | 5 | 2.8 | 1 | 116 |
| SMA4760A | 90.0 - 99.0 | 5 | 5 | 2.8 | 1 | 104 |
| SMA4761A | 95.0 - 105 | 5 | 5 | 2.8 | 1 | 95 |
| SMA4762A | 100 - 110 | 5 | 5 | 2.8 | 1 | 86 |
| SMA4763A | 110 - 121 | 5 | 5 | 2.8 | 1 | 79 |
| SMA4764A | 120 - 132 | 5 | 5 | 2.8 | 1 | 71 |
| SMA4765A | 130 - 143 | 5 | 5 | 2.8 | 1 | 63 |
| SMA4766A | 140 - 154 | 5 | 5 | 2.8 | 1 | 58 |
| SMA4767A | 150 - 165 | 5 | 5 | 2.8 | 1 | 52 |
| SMA4768A | 160 - 176 | 5 | 5 | 2.8 | 1 | 47 |
| SMA4769A | 170 - 187 | 5 | 5 | 2.8 | 1 | 43 |
| SMA4770A | 180 - 198 | 5 | 5 | 2.8 | 1 | 38 |
| SMA4771A | 190 - 209 | 5 | 5 | 2.8 | 1 | 35 |
| SMA4772A | 200 - 220 | 5 | 5 | 2.8 | 1 | 313 |
| SMA4773A | 210 - 231 | 5 | 5 | 2.8 | 1 | 346 |
| SMA4774A | 220 - 242 | 5 | 5 | 2.8 | 1 | 300 |
| SMA4775A | 230 - 253 | 5 | 5 | 2.8 | 1 | 330 |
| SMA4776A | 250 - 275 | 5 | 5 | 2.8 | 1 | 285 |
| SMA4777A | 270 - 300 | 5 | 5 | 2.8 | 1 | 263 |
2408021727_GOODWORK-1SMA4740A_C22385443.pdf
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