Surface Mount Silicon Planar Zener Diode Shikues 1SMAF4756A 1W Power Dissipation Wide Voltage Range
Key Attributes
Model Number:
1SMAF4756A
Product Custom Attributes
Operating Junction Temperature Range:
-55℃~+150℃
Reverse Leakage Current (Ir):
11uA
Pd - Power Dissipation:
1W
Impedance(Zzt):
80Ω
Diode Configuration:
Independent
Zener Voltage(Range):
34.9V~49.8V
Zener Voltage(Nom):
47V
Mfr. Part #:
1SMAF4756A
Package:
SMAF
Product Description
Product Overview
The 1SMAF4728A thru 1SMAF4763A series are silicon planar Zener diodes designed for surface-mounted applications. They offer a wide zener reverse voltage range from 3.3V to 91V and a total power dissipation of up to 1W. Their small plastic package makes them suitable for compact designs.
Product Attributes
- Brand: Not specified
- Origin: Not specified
- Material: Silicon Planar
- Color: Not specified
- Certifications: MIL-STD-750, Method 2026 (for terminals)
Technical Specifications
| Type | Marking | Zener Voltage (V) Min | Zener Voltage (V) Nom | Zener Voltage (V) Max | IZT (mA) | ZZT () Max | IR (uA) Max | IZM (mA) |
| 1SMAF4728A | 728A | 3.14 | 3.3 | 3.47 | 75 | 10 | 100 | 285 |
| 1SMAF4729A | 729A | 3.42 | 3.6 | 3.78 | 69 | 10 | 100 | 263 |
| 1SMAF4730A | 730A | 3.71 | 3.9 | 4.1 | 64 | 9.0 | 50 | 243 |
| 1SMAF4731A | 731A | 4.09 | 4.3 | 4.52 | 58 | 9.0 | 25 | 219 |
| 1SMAF4732A | 732A | 4.47 | 4.7 | 4.94 | 53 | 8.0 | 10 | 203 |
| 1SMAF4733A | 733A | 4.85 | 5.1 | 5.36 | 49 | 7.0 | 10 | 186 |
| 1SMAF4734A | 734A | 5.32 | 5.6 | 5.88 | 45 | 5.0 | 10 | 170 |
| 1SMAF4735A | 735A | 5.89 | 6.2 | 6.51 | 41 | 2.0 | 10 | 154 |
| 1SMAF4736A | 736A | 6.46 | 6.8 | 7.14 | 37 | 3.5 | 10 | 140 |
| 1SMAF4737A | 737A | 7.13 | 7.5 | 7.88 | 34 | 4.0 | 10 | 127 |
| 1SMAF4738A | 738A | 7.79 | 8.2 | 8.61 | 31 | 4.5 | 10 | 116 |
| 1SMAF4739A | 739A | 8.65 | 9.1 | 9.56 | 28 | 5.0 | 10 | 104 |
| 1SMAF4740A | 740A | 9.5 | 10 | 10.5 | 25 | 7.0 | 10 | 95 |
| 1SMAF4741A | 741A | 10.45 | 11 | 11.55 | 23 | 8.0 | 5 | 86 |
| 1SMAF4742A | 742A | 11.4 | 12 | 12.6 | 21 | 9.0 | 5 | 79 |
| 1SMAF4743A | 743A | 12.35 | 13 | 13.65 | 19 | 10 | 5 | 71 |
| 1SMAF4744A | 744A | 14.25 | 15 | 15.75 | 17 | 14 | 5 | 63 |
| 1SMAF4745A | 745A | 15.2 | 16 | 16.8 | 16 | 16 | 5 | 58 |
| 1SMAF4746A | 746A | 17.1 | 18 | 18.9 | 14 | 20 | 5 | 52 |
| 1SMAF4747A | 747A | 19 | 20 | 21 | 13 | 22 | 5 | 47 |
| 1SMAF4748A | 748A | 20.9 | 22 | 23.1 | 12 | 23 | 5 | 43 |
| 1SMAF4749A | 749A | 22.8 | 24 | 25.2 | 11 | 25 | 5 | 38 |
| 1SMAF4750A | 750A | 25.65 | 27 | 28.35 | 9.5 | 35 | 5 | 35 |
| 1SMAF4751A | 751A | 28.5 | 30 | 31.5 | 8.5 | 40 | 5 | 31 |
| 1SMAF4752A | 752A | 31.35 | 33 | 34.65 | 7.5 | 45 | 5 | 28 |
| 1SMAF4753A | 753A | 34.2 | 36 | 37.8 | 7.0 | 50 | 5 | 26 |
| 1SMAF4754A | 754A | 37.05 | 39 | 40.95 | 6.5 | 60 | 5 | 24 |
| 1SMAF4755A | 755A | 40.85 | 43 | 45.15 | 6.0 | 70 | 1 | 32 |
| 1SMAF4756A | 756A | 44.65 | 47 | 49.35 | 5.5 | 80 | 1 | 35 |
| 1SMAF4757A | 757A | 48.45 | 51 | 53.55 | 5.0 | 95 | 1 | 38 |
| 1SMAF4758A | 758A | 53.2 | 56 | 58.8 | 4.5 | 110 | 1 | 42 |
| 1SMAF4759A | 759A | 58.9 | 62 | 65.1 | 4.0 | 125 | 1 | 47 |
| 1SMAF4760A | 760A | 64.6 | 68 | 71.4 | 3.7 | 150 | 1 | 52 |
| 1SMAF4761A | 761A | 71.25 | 75 | 78.75 | 3.3 | 175 | 1 | 56 |
| 1SMAF4762A | 762A | 77.9 | 82 | 86.1 | 3.0 | 200 | 1 | 62 |
| 1SMAF4763A | 763A | 86.45 | 91 | 95.55 | 2.8 | 250 | 1 | 69 |
Absolute Maximum Ratings
| Parameter | Symbol | Value | Unit |
| Power Dissipation at TA=25 | PD | 1 | W |
| Forward Voltage at IF=200mA | VF | 1.2 | V |
| Junction Temperature Range | TJ | -55~+150 | |
| Storage Temperature Range | TS | -55~+150 |
Typical Thermal Resistance
| Parameter | Symbol | Value | Unit |
| Typical Thermal Resistance(1) | RJA | 100 | /W |
| RJC | 20 | ||
| RJL | 30 |
Note:(1) P.C.B. mounted with 0.2" X 0.2" (5 X 5 mm) copper areas pads.
Package Information (SMAF)
| Unit | A (max) | C (min) | D (max) | E (max) | e (max) | g (max) | HE (min) |
| mm | 1.2 | 0.20 | 3.7 | 2.7 | 1.6 | 1.2 | 4.9 |
| mil | 47 | 7.9 | 146 | 106 | 63 | 47 | 193 |
Note: = 7
2510281842_Shikues-1SMAF4756A_C475448.pdf
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