Silicon Planar Zener Diodes Shikues 1SMA4742AG with Wide Voltage Range and 1 Watt Power Dissipation
Key Attributes
Model Number:
1SMA4742AG
Product Custom Attributes
Operating Junction Temperature Range:
-55℃~+150℃
Reverse Leakage Current (Ir):
5uA@9V
Pd - Power Dissipation:
1W
Impedance(Zzt):
9Ω
Diode Configuration:
Independent
Zener Voltage(Range):
11.4V~12.6V
Zener Voltage(Nom):
12V
Mfr. Part #:
1SMA4742AG
Package:
SMA
Product Description
Product Overview
Silicon Planar Zener Diodes designed for surface-mounted applications. These diodes offer a wide zener reverse voltage range from 3.3V to 330V and a maximum total power dissipation of 1W. Their small plastic package makes them suitable for space-constrained designs.
Product Attributes
- Brand: Not specified
- Origin: Not specified
- Material: Not specified
- Color: Not specified
- Certifications: MIL-STD-750, Method 2026 (for solderability)
Technical Specifications
| Part Number | Type Marking | Zener Voltage Range VZT (V) Nom. | Admissible Zener Current IZM (mA) | Max. Power Dissipation (W) | Forward Voltage VF (V) Max. @ I F = 200 mA | Junction Temperature TJ (C) | Storage Temperature TS (C) |
| 1SMA4728AG THRU 1SMA4777AG | 728A THRU 777A | 3.3 to 330 | See table below | 1 (Max. @ Ta=25C) | 1.2 | -55 to +150 | -55 to +150 |
Detailed Zener Characteristics
| Part Number | Zener Voltage VZT (V) Nom. (@ IZT) | Zener Voltage VZT (V) Min. (@ IZT) | Zener Voltage VZT (V) Max. (@ IZT) | Admissible Zener Current IZM (mA) | Dynamic Impedance ZZT () Max. (@ IZT) | Reverse Current IR (A) Max. (@ VR) |
| 1SMA4728AG | 3.3 (10) | 3.10 (10) | 3.50 (10) | 263 | 10 (10) | 10 (3.3) |
| 1SMA4729AG | 3.6 (10) | 3.40 (10) | 3.70 (10) | 243 | 10 (10) | 10 (3.6) |
| 1SMA4730AG | 3.9 (10) | 3.70 (10) | 4.06 (10) | 219 | 10 (10) | 10 (3.9) |
| 1SMA4731AG | 4.3 (10) | 4.06 (10) | 4.50 (10) | 203 | 10 (10) | 10 (4.3) |
| 1SMA4732AG | 4.7 (10) | 4.50 (10) | 4.93 (10) | 186 | 9.0 (10) | 10 (4.7) |
| 1SMA4733AG | 5.1 (10) | 4.84 (10) | 5.36 (10) | 170 | 9.0 (10) | 10 (5.1) |
| 1SMA4734AG | 5.6 (10) | 5.32 (10) | 5.92 (10) | 154 | 8.0 (10) | 10 (5.6) |
| 1SMA4735 | 6.2 (10) | 5.86 (10) | 6.51 (10) | 127 | 7.0 (10) | 10 (6.2) |
| 1SMA4736 | 6.8 (10) | 6.46 (10) | 7.18 (10) | 116 | 6.5 (10) | 10 (6.8) |
| 1SMA4737 | 7.5 (10) | 7.12 (10) | 7.88 (10) | 104 | 5.0 (10) | 10 (7.5) |
| 1SMA4738 | 8.2 (10) | 7.79 (10) | 8.67 (10) | 95 | 4.0 (10) | 10 (8.2) |
| 1SMA4739 | 9.1 (10) | 8.60 (10) | 9.59 (10) | 86 | 3.5 (10) | 10 (9.1) |
| 1SMA4740 | 10 (5) | 9.50 (5) | 10.5 (5) | 79 | 3.5 (5) | 5 (10) |
| 1SMA4741 | 11 (5) | 10.4 (5) | 11.6 (5) | 71 | 3.5 (5) | 5 (11) |
| 1SMA4742 | 12 (5) | 11.4 (5) | 12.6 (5) | 63 | 3.5 (5) | 5 (12) |
| 1SMA4743 | 13 (5) | 12.4 (5) | 14.1 (5) | 58 | 3.5 (5) | 5 (13) |
| 1SMA4744 | 15 (5) | 13.8 (5) | 15.8 (5) | 52 | 3.5 (5) | 5 (15) |
| 1SMA4745 | 16 (5) | 15.2 (5) | 17.1 (5) | 47 | 3.5 (5) | 5 (16) |
| 1SMA4746 | 18 (5) | 16.8 (5) | 19.2 (5) | 43 | 3.5 (5) | 5 (18) |
| 1SMA4747 | 20 (5) | 19.0 (5) | 21.2 (5) | 40.9 | 3.5 (5) | 5 (20) |
| 1SMA4748 | 22 (5) | 20.8 (5) | 23.3 (5) | 38 | 3.5 (5) | 5 (22) |
| 1SMA4749 | 24 (5) | 22.8 (5) | 26.0 (5) | 35 | 3.5 (5) | 5 (24) |
| 1SMA4750 | 27 (5) | 25.3 (5) | 28.9 (5) | 31 | 3.5 (5) | 5 (27) |
| 1SMA4751 | 30 (5) | 28.2 (5) | 32.0 (5) | 28 | 3.5 (5) | 5 (30) |
| 1SMA4752 | 33 (5) | 31.3 (5) | 34.9 (5) | 26 | 3.5 (5) | 5 (33) |
| 1SMA4753 | 36 (5) | 34.2 (5) | 37.9 (5) | 24 | 3.5 (5) | 5 (36) |
| 1SMA4754 | 39 (5) | 37.2 (5) | 41.5 (5) | 22 | 3.5 (5) | 5 (39) |
| 1SMA4755 | 43 (5) | 40.9 (5) | 45.6 (5) | 20 | 3.5 (5) | 5 (43) |
| 1SMA4756 | 47 (5) | 44.9 (5) | 49.8 (5) | 18 | 3.5 (5) | 5 (47) |
| 1SMA4757 | 51 (5) | 48.6 (5) | 54.0 (5) | 17 | 3.5 (5) | 5 (51) |
| 1SMA4758 | 56 (5) | 53.6 (5) | 58.8 (5) | 15 | 3.5 (5) | 5 (56) |
| 1SMA4759 | 62 (5) | 58.9 (5) | 65.6 (5) | 13 | 3.5 (5) | 5 (62) |
| 1SMA4760 | 68 (5) | 64.6 (5) | 71.2 (5) | 12 | 3.5 (5) | 5 (68) |
| 1SMA4761 | 75 (5) | 71.7 (5) | 78.8 (5) | 11 | 3.5 (5) | 5 (75) |
| 1SMA4762 | 82 (5) | 78.8 (5) | 87.0 (5) | 10 | 3.5 (5) | 5 (82) |
| 1SMA4763 | 91 (5) | 86.0 (5) | 96.0 (5) | 9.5 (5) | 3.5 (5) | 5 (91) |
| 1SMA4764 | 100 (5) | 95.0 (5) | 105 (5) | 8.5 (5) | 3.5 (5) | 5 (100) |
| 1SMA4765 | 110 (5) | 104 (5) | 116 (5) | 7.5 (5) | 3.5 (5) | 5 (110) |
| 1SMA4766 | 120 (5) | 114 (5) | 127 (5) | 7.0 (5) | 3.5 (5) | 5 (120) |
| 1SMA4767 | 130 (5) | 125 (5) | 140 (5) | 6.5 (5) | 3.5 (5) | 5 (130) |
| 1SMA4768 | 150 (5) | 140 (5) | 157 (5) | 6.0 (5) | 3.5 (5) | 5 (150) |
| 1SMA4769 | 160 (5) | 152 (5) | 172 (5) | 5.5 (5) | 3.5 (5) | 5 (160) |
| 1SMA4770 | 170 (5) | 168 (5) | 189 (5) | 5.0 (5) | 3.5 (5) | 5 (170) |
| 1SMA4771 | 180 (5) | 180 (5) | 191 (5) | 5.0 (5) | 3.5 (5) | 5 (180) |
| 1SMA4772 | 190 (5) | 189 (5) | 211 (5) | 5.0 (5) | 3.5 (5) | 5 (190) |
| 1SMA4773 | 200 (5) | 209 (5) | 231 (5) | 5.0 (5) | 3.5 (5) | 5 (200) |
| 1SMA4774 | 220 (5) | 229 (5) | 251 (5) | 5.0 (5) | 3.5 (5) | 5 (220) |
| 1SMA4775 | 240 (5) | 249 (5) | 271 (5) | 5.0 (5) | 3.5 (5) | 5 (240) |
| 1SMA4776 | 250 (5) | 269 (5) | 291 (5) | 5.0 (5) | 3.5 (5) | 5 (250) |
| 1SMA4777 | 270 (5) | 289 (5) | 315 (5) | 5.0 (5) | 3.5 (5) | 5 (270) |
SMA Package Dimensions
| Dimension | Symbol | Min. (mm) | Max. (mm) | Min. (mil) | Max. (mil) |
| Length of terminal, k | a | 1.8 (71) | |||
| Height | A | 2.2 | 2.7 | 87 | 106 |
| Width | b | 1.7 | 1.9 | 67 | 75 |
| Overall length, excluding the trim, k | c | 4.0 | 5.2 | 157 | 205 |
| Diameter, uncontrolled | D | 1.9 | 75 | ||
| Height of the solderable area | E | 0.9 | 1.5 | 35 | 59 |
| Pitch between terminals | e | 2.3 | 2.7 | 91 | 106 |
| Height, max. | HE | 2.4 (94) | |||
| Lead thickness | t | 0.15 | 6 | ||
| Width of the solderable area | V | 1.3 | 1.6 | 51 | 63 |
2510281846_Shikues-1SMA4742AG_C433409.pdf
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