Hefei Purple Horn E-Commerce Co., Ltd.
| Operating Junction Temperature Range | -65℃~+150℃ |
| Impedance(Zzt) | 25Ω |
| Diode Configuration | Independent |
| Pd - Power Dissipation | 500mW |
| Zener Voltage(Range) | 22.8V~26V |
| Zener Voltage(Nom) | 24V |
| Description | Zener Diode Independent 24V 500mW Surface Mount SMA |
| Mfr. Part # | 1SMA4749A |
| Package | SMA |
| Model Number | 1SMA4749A |
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Product Specification
| Operating Junction Temperature Range | -65℃~+150℃ | Impedance(Zzt) | 25Ω |
| Diode Configuration | Independent | Pd - Power Dissipation | 500mW |
| Zener Voltage(Range) | 22.8V~26V | Zener Voltage(Nom) | 24V |
| Description | Zener Diode Independent 24V 500mW Surface Mount SMA | Mfr. Part # | 1SMA4749A |
| Package | SMA | Model Number | 1SMA4749A |
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 low leakage current, making them suitable for various applications including voltage regulation and transient suppression.
| 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) | IZT (mA) | ZZT Max (at IZT) () | IR at VR Max (A) | VR (V) | IZM (mA) | VF (at IF=200mA) (V) |
| SMA4728A | 4.84 - 5.36 | 10 | 10 | 100 | 3.3 | 186 | 1.5 |
| SMA4729A | 5.32 - 5.92 | 10 | 9.0 | 100 | 3.7 | 170 | 1.5 |
| SMA4730A | 5.86 - 6.51 | 10 | 9.0 | 100 | 4.0 | 154 | 1.5 |
| SMA4731A | 6.46 - 7.18 | 10 | 8.0 | 100 | 4.3 | 140 | 1.5 |
| SMA4732A | 7.12 - 7.88 | 10 | 7.0 | 50 | 4.7 | 127 | 1.5 |
| SMA4733A | 7.79 - 8.67 | 10 | 5.0 | 25 | 5.1 | 116 | 1.5 |
| SMA4734A | 8.60 - 9.59 | 10 | 4.0 | 10 | 5.6 | 104 | 1.5 |
| SMA4735A | 9.50 - 10.5 | 10 | 3.5 | 10 | 6.0 | 95 | 1.5 |
| SMA4736A | 10.4 - 11.6 | 10 | 3.1 | 10 | 6.5 | 86 | 1.5 |
| SMA4737A | 11.4 - 12.6 | 10 | 2.8 | 10 | 7.0 | 79 | 1.5 |
| SMA4738A | 12.4 - 13.8 | 5 | 2.0 | 5 | 7.5 | 71 | 1.5 |
| SMA4739A | 13.8 - 15.2 | 5 | 1.9 | 5 | 8.0 | 63 | 1.5 |
| SMA4740A | 15.2 - 17.1 | 5 | 1.7 | 5 | 9.0 | 58 | 1.5 |
| SMA4741A | 16.8 - 19.0 | 5 | 1.6 | 5 | 9.5 | 52 | 1.5 |
| SMA4742A | 19.0 - 21.2 | 5 | 1.4 | 5 | 10 | 47 | 1.5 |
| SMA4743A | 20.8 - 23.3 | 5 | 1.2 | 5 | 11 | 43 | 1.5 |
| SMA4744A | 22.8 - 25.3 | 5 | 1.0 | 5 | 12 | 38 | 1.5 |
| SMA4745A | 25.3 - 28.9 | 5 | 1.0 | 5 | 13 | 35 | 1.5 |
| SMA4746A | 28.2 - 31.3 | 5 | 1.0 | 5 | 14 | 32 | 1.5 |
| SMA4747A | 31.3 - 34.9 | 5 | 1.0 | 5 | 15 | 30 | 1.5 |
| SMA4748A | 34.2 - 37.9 | 5 | 1.0 | 5 | 16 | 28 | 1.5 |
| SMA4749A | 37.2 - 41.5 | 5 | 1.0 | 5 | 18 | 26 | 1.5 |
| SMA4750A | 40.9 - 45.6 | 5 | 1.0 | 5 | 20 | 24 | 1.5 |
| SMA4751A | 44.9 - 49.8 | 5 | 1.0 | 5 | 22 | 23 | 1.5 |
| SMA4752A | 48.6 - 54.0 | 5 | 1.0 | 5 | 24 | 21 | 1.5 |
| SMA4753A | 53.6 - 58.9 | 5 | 1.0 | 5 | 27 | 19 | 1.5 |
| SMA4754A | 58.8 - 65.6 | 5 | 1.0 | 5 | 30 | 18 | 1.5 |
| SMA4755A | 65.6 - 72.4 | 5 | 1.0 | 5 | 33 | 17 | 1.5 |
| SMA4756A | 71.7 - 78.8 | 5 | 1.0 | 5 | 36 | 16 | 1.5 |
| SMA4757A | 78.8 - 87.0 | 5 | 1.0 | 5 | 39 | 15 | 1.5 |
| SMA4758A | 86.0 - 95.0 | 5 | 1.0 | 5 | 43 | 14 | 1.5 |
| SMA4759A | 96.0 - 106 | 5 | 1.0 | 5 | 47 | 13 | 1.5 |
| SMA4760A | 105 - 116 | 5 | 1.0 | 5 | 51 | 12 | 1.5 |
| SMA4761A | 116 - 127 | 5 | 1.0 | 5 | 56 | 11 | 1.5 |
| SMA4762A | 127 - 140 | 5 | 1.0 | 5 | 62 | 10 | 1.5 |
| SMA4763A | 140 - 155 | 5 | 1.0 | 5 | 68 | 9.5 | 1.5 |
| SMA4764A | 155 - 170 | 5 | 1.0 | 5 | 75 | 9.0 | 1.5 |
| SMA4765A | 170 - 189 | 5 | 1.0 | 5 | 82 | 8.5 | 1.5 |
| SMA4766A | 189 - 209 | 5 | 1.0 | 5 | 91 | 7.8 | 1.5 |
| SMA4767A | 209 - 231 | 5 | 1.0 | 5 | 100 | 7.0 | 1.5 |
| SMA4768A | 231 - 251 | 5 | 1.0 | 5 | 110 | 6.3 | 1.5 |
| SMA4769A | 251 - 271 | 5 | 1.0 | 5 | 120 | 5.8 | 1.5 |
| SMA4770A | 271 - 291 | 5 | 1.0 | 5 | 130 | 5.2 | 1.5 |
| SMA4771A | 291 - 313 | 5 | 1.0 | 5 | 140 | 4.7 | 1.5 |
| SMA4772A | 315 - 346 | 5 | 1.0 | 5 | 150 | 4.3 | 1.5 |
| SMA4773A | 346 - 381 | 5 | 1.0 | 5 | 160 | 3.9 | 1.5 |
| SMA4774A | 381 - 419 | 5 | 1.0 | 5 | 180 | 3.7 | 1.5 |
| SMA4775A | 419 - 461 | 5 | 1.0 | 5 | 200 | 3.4 | 1.5 |
| SMA4776A | 461 - 507 | 5 | 1.0 | 5 | 230 | 3.1 | 1.5 |
| SMA4777A | 507 - 558 | 5 | 1.0 | 5 | 250 | 2.8 | 1.5 |
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Agent,Importer
Year Established:
2009
Employee Number:
300~500
Ecer Certification：
Verified Supplier
Company Profile Hefei Purple Horn E-Commerce Co., Ltd. is a professional company focus on integrated circuit ic business. Hefei Purple Horn E-Commerce Co., Ltd. will also responsible with exporting and logistic business. there is professional factory Beijing Silk Road which focus on desigining and... Company Profile Hefei Purple Horn E-Commerce Co., Ltd. is a professional company focus on integrated circuit ic business. Hefei Purple Horn E-Commerce Co., Ltd. will also responsible with exporting and logistic business. there is professional factory Beijing Silk Road which focus on desigining and...
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