Voltage regulating diode GOODWORK 1SMA4745A with molded plastic case and UL 94V 0 flame retardant epoxy
Key Attributes
Model Number:
1SMA4745A
Product Custom Attributes
Operating Junction Temperature Range:
-65℃~+150℃
Impedance(Zzt):
16Ω
Diode Configuration:
Independent
Pd - Power Dissipation:
500mW
Zener Voltage(Range):
15.2V~17.1V
Zener Voltage(Nom):
16V
Mfr. Part #:
1SMA4745A
Package:
DO-214AC(SMA)
Product Description
Product Overview
The 1SMA4728A THRU 1SMA4777A series are surface mount power voltage-regulating diodes with a wide voltage range from 3.3 to 300 Volts and a power rating of 1000mW. These diodes feature fast response times, excellent clamping capability, and a low profile package, making them suitable for various surface mount applications. They are designed for high-temperature soldering and offer low leakage current.
Product Attributes
- 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 | 1SMA4728A THRU 1SMA4777A | Unit |
| Maximum steady state power dissipation at TL = 75 C (1) | Ptot | 1000 | mW |
| Maximum steady state power dissipation at TA = 25 C (2) | Ptot | 500 | mW |
| Maximum instantaneous forward voltage at 200 mA for all types (3) | VF | 1.5 | V |
| Operating junction and storage temperature range | TJ, TSTG | -65 to +150 | C |
| Typical thermal resistance, junction to lead (1) | JL | 50 | C/W |
| Typical thermal resistance, junction to ambient (2) | JA | 250 | C/W |
| Reverse Zener voltage at IZT | VZ | 3.3 to 300 | V |
| Reverse leakage current at VR | IR | < 1 | mA (above 10V) |
| Fast response time | < 1.0ps | (from 0 volt to BV min) |
| Type Marking | Zener Voltage Range VZT (at IZT) (V) | Nom (V) | Min (V) | Max (V) | ZT (at IZT) (mA) | Dynamic Impedance ZZT (at IZT) Max () | Reverse Current IR at VR Max (A) | Admissible Zener Current IZM (mA) |
| SMA4728A | 4.84 | 5.1 | 5.36 | 10 | 49 | 100 | 186 | |
| SMA4729A | 5.32 | 5.6 | 5.92 | 10 | 45 | 100 | 170 | |
| SMA4730A | 5.86 | 6.2 | 6.51 | 10 | 41 | 100 | 154 | |
| SMA4731A | 7.12 | 7.5 | 7.88 | 10 | 34 | 100 | 127 | |
| SMA4732A | 7.79 | 8.2 | 8.67 | 10 | 31 | 100 | 116 | |
| SMA4733A | 8.60 | 9.1 | 9.59 | 10 | 28 | 100 | 104 | |
| SMA4734A | 9.50 | 10 | 10.5 | 10 | 25 | 100 | 95 | |
| SMA4735A | 10.4 | 11 | 11.6 | 5 | 23 | 100 | 86 | |
| SMA4736A | 11.4 | 12 | 12.6 | 5 | 21 | 100 | 79 | |
| SMA4737A | 12.4 | 13 | 14.1 | 5 | 19 | 100 | 71 | |
| SMA4738A | 13.8 | 15 | 15.8 | 5 | 17 | 100 | 63 | |
| SMA4739A | 15.2 | 16 | 17.1 | 5 | 16 | 100 | 58 | |
| SMA4740A | 16.8 | 18 | 19.2 | 5 | 14 | 100 | 52 | |
| SMA4741A | 19.0 | 20 | 21.2 | 5 | 13 | 100 | 47 | |
| SMA4742A | 20.8 | 22 | 23.3 | 5 | 12 | 100 | 43 | |
| SMA4743A | 22.8 | 24 | 26.0 | 5 | 11 | 100 | 38 | |
| SMA4744A | 25.3 | 27 | 28.9 | 5 | 9.5 | 100 | 35 | |
| SMA4745A | 28.2 | 30 | 32.0 | 5 | 7.0 | 100 | 32 | |
| SMA4746A | 31.3 | 33 | 34.9 | 5 | 7.0 | 100 | 28 | |
| SMA4747A | 34.2 | 36 | 37.9 | 5 | 7.0 | 100 | 26 | |
| SMA4748A | 37.2 | 39 | 41.5 | 5 | 6.5 | 100 | 24 | |
| SMA4749A | 40.9 | 43 | 45.6 | 5 | 5.5 | 100 | 22 | |
| SMA4750A | 44.9 | 47 | 49.8 | 5 | 5.0 | 100 | 20 | |
| SMA4751A | 48.6 | 51 | 54.0 | 5 | 4.5 | 100 | 18 | |
| SMA4752A | 53.6 | 56 | 58.8 | 5 | 4.0 | 100 | 17 | |
| SMA4753A | 58.9 | 62 | 65.6 | 5 | 3.7 | 100 | 15 | |
| SMA4754A | 65.6 | 68 | 71.7 | 5 | 3.3 | 100 | 14 | |
| SMA4755A | 71.7 | 75 | 78.8 | 5 | 3.1 | 100 | 12 | |
| SMA4756A | 78.8 | 82 | 87.0 | 5 | 2.8 | 100 | 11 | |
| SMA4757A | 86.0 | 91 | 96.0 | 5 | 2.5 | 100 | 10 | |
| SMA4758A | 96.0 | 100 | 105 | 5 | 2.3 | 100 | 9.5 | |
| SMA4759A | 104 | 110 | 116 | 5 | 2.0 | 100 | 8.6 | |
| SMA4760A | 116 | 120 | 127 | 5 | 1.9 | 100 | 7.8 | |
| SMA4761A | 127 | 130 | 140 | 5 | 1.7 | 100 | 7.0 | |
| SMA4762A | 140 | 150 | 155 | 5 | 1.6 | 100 | 6.3 | |
| SMA4763A | 155 | 160 | 170 | 5 | 1.4 | 100 | 5.8 | |
| SMA4764A | 170 | 175 | 189 | 5 | 1.2 | 100 | 5.2 | |
| SMA4765A | 189 | 200 | 209 | 5 | 1.0 | 100 | 4.7 | |
| SMA4766A | 209 | 220 | 229 | 5 | 1.0 | 100 | 4.3 | |
| SMA4767A | 229 | 240 | 249 | 5 | 1.0 | 100 | 3.9 | |
| SMA4768A | 249 | 250 | 269 | 5 | 1.0 | 100 | 3.7 | |
| SMA4769A | 269 | 270 | 289 | 5 | 1.0 | 100 | 3.4 | |
| SMA4770A | 289 | 300 | 313 | 5 | 1.0 | 100 | 3.1 | |
| SMA4771A | 313 | 313 | 346 | 5 | 1.0 | 100 | 2.8 | |
| SMA4772A | 346 | 346 | 380 | 5 | 1.0 | 100 | 2.5 | |
| SMA4773A | 380 | 380 | 415 | 5 | 1.0 | 100 | 2.3 | |
| SMA4774A | 415 | 415 | 450 | 5 | 1.0 | 100 | 2.0 | |
| SMA4775A | 450 | 450 | 500 | 5 | 1.0 | 100 | 1.9 | |
| SMA4776A | 500 | 500 | 550 | 5 | 1.0 | 100 | 1.7 | |
| SMA4777A | 550 | 550 | 600 | 5 | 1.0 | 100 | 1.6 |
2408021727_GOODWORK-1SMA4745A_C22385441.pdf
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