3 Watt Power Dissipation Zener Voltage Regulator Jingdao Microelectronics 1SMB5946B Surface Mount Type
Key Attributes
Model Number:
1SMB5946B
Product Custom Attributes
Operating Junction Temperature Range:
-55℃~+150℃
Impedance(Zzt):
140Ω
Pd - Power Dissipation:
550mW
Zener Voltage(Range):
71.25V~78.75V
Zener Voltage(Nom):
75V
Impedance(Zzk):
2kΩ
Mfr. Part #:
1SMB5946B
Package:
SMB
Product Description
Product Overview
The SMB-W-1SMB5926B~1SMB5956B-3W is a series of surface mount Zener voltage regulators designed for efficient voltage regulation. These devices offer a total power dissipation of up to 3W and feature a wide zener reverse voltage range from 3.3V to 200V, making them suitable for various electronic applications. Their small plastic package is optimized for surface-mounted designs.
Product Attributes
- Brand: Jingdao Microelectronics co.LTD ()
- Package Type: SMB
- Material: Plastic
Technical Specifications
| Type | Marking | Nominal Zener Voltage (Vz) (V) | Test Current (IzT) (mA) | Max DC Zener Current (Izm) (mA) | Reverse Leakage Current (IR) @ VR (A) | Zener Impedance (ZZT) @ IZT () | Forward Voltage (VF) @ IF (V) | Max DC Power Dissipation (PD) (W) |
| 1SMB5913B | 913B | 3.3 | 5 | 500 | 100 | 100 | 1.5 @ 200mA | 3.0 |
| 1SMB5914B | 914B | 3.6 | 5 | 500 | 75 | 75 | 1.5 @ 200mA | 3.0 |
| 1SMB5915B | 915B | 3.9 | 5 | 500 | 25 | 25 | 1.5 @ 200mA | 3.0 |
| 1SMB5916B | 916B | 4.3 | 5 | 500 | 5 | 5 | 1.5 @ 200mA | 3.0 |
| 1SMB5917B | 917B | 4.7 | 5 | 500 | 5 | 5 | 1.5 @ 200mA | 3.0 |
| 1SMB5918B | 918B | 5.1 | 5 | 350 | 5 | 5 | 1.5 @ 200mA | 3.0 |
| 1SMB5919B | 919B | 5.6 | 5 | 250 | 5 | 5 | 1.5 @ 200mA | 3.0 |
| 1SMB5920B | 920B | 6.2 | 5 | 200 | 2 | 2 | 1.5 @ 200mA | 3.0 |
| 1SMB5921B | 921B | 6.8 | 5 | 200 | 2 | 2.5 | 1.5 @ 200mA | 3.0 |
| 1SMB5922B | 922B | 7.5 | 5 | 400 | 2.5 | 3 | 1.5 @ 200mA | 3.0 |
| 1SMB5923B | 923B | 8.2 | 5 | 400 | 3 | 3.5 | 1.5 @ 200mA | 3.0 |
| 1SMB5924B | 924B | 9.1 | 5 | 500 | 3.5 | 4 | 1.5 @ 200mA | 3.0 |
| 1SMB5925B | 925B | 10 | 5 | 450 | 4 | 4.5 | 1.5 @ 200mA | 3.0 |
| 1SMB5926B | 926B | 11 | 5 | 400 | 4.5 | 5 | 1.5 @ 200mA | 3.0 |
| 1SMB5927B | 927B | 12 | 5 | 380 | 5 | 5.5 | 1.5 @ 200mA | 3.0 |
| 1SMB5928B | 928B | 13 | 5 | 300 | 5.5 | 6 | 1.5 @ 200mA | 3.0 |
| 1SMB5929B | 929B | 15 | 5 | 250 | 6 | 6.5 | 1.5 @ 200mA | 3.0 |
| 1SMB5930B | 930B | 16 | 5 | 200 | 6.5 | 7 | 1.5 @ 200mA | 3.0 |
| 1SMB5931B | 931B | 18 | 5 | 200 | 7 | 9 | 1.5 @ 200mA | 3.0 |
| 1SMB5932B | 932B | 20 | 5 | 170 | 7.5 | 10 | 1.5 @ 200mA | 3.0 |
| 1SMB5933B | 933B | 22 | 5 | 160 | 8 | 12 | 1.5 @ 200mA | 3.0 |
| 1SMB5934B | 934B | 24 | 5 | 140 | 8.4 | 14 | 1.5 @ 200mA | 3.0 |
| 1SMB5935B | 935B | 27 | 5 | 120 | 9.1 | 17.5 | 1.5 @ 200mA | 3.0 |
| 1SMB5936B | 936B | 30 | 5 | 100 | 9.9 | 19 | 1.5 @ 200mA | 3.0 |
| 1SMB5937B | 937B | 33 | 5 | 90 | 11.4 | 23 | 1.5 @ 200mA | 3.0 |
| 1SMB5938B | 938B | 36 | 5 | 80 | 12.2 | 28 | 1.5 @ 200mA | 3.0 |
| 1SMB5939B | 939B | 39 | 5 | 75 | 13.7 | 33 | 1.5 @ 200mA | 3.0 |
| 1SMB5940B | 940B | 43 | 5 | 70 | 15.2 | 38 | 1.5 @ 200mA | 3.0 |
| 1SMB5941B | 941B | 47 | 5 | 60 | 16.7 | 45 | 1.5 @ 200mA | 3.0 |
| 1SMB5942B | 942B | 51 | 5 | 55 | 18.2 | 53 | 1.5 @ 200mA | 3.0 |
| 1SMB5943B | 943B | 56 | 5 | 50 | 20.6 | 67 | 1.5 @ 200mA | 3.0 |
| 1SMB5944B | 944B | 62 | 5 | 45 | 22.8 | 70 | 1.5 @ 200mA | 3.0 |
| 1SMB5945B | 945B | 68 | 5 | 41 | 25.1 | 86 | 1.5 @ 200mA | 3.0 |
| 1SMB5946B | 946B | 75 | 5 | 40 | 27.4 | 100 | 1.5 @ 200mA | 3.0 |
| 1SMB5947B | 947B | 82 | 5 | 38 | 29.7 | 120 | 1.5 @ 200mA | 3.0 |
| 1SMB5948B | 948B | 91 | 5 | 34 | 32.7 | 140 | 1.5 @ 200mA | 3.0 |
| 1SMB5949B | 949B | 100 | 5 | 31 | 35.8 | 160 | 1.5 @ 200mA | 3.0 |
| 1SMB5950B | 950B | 110 | 5 | 29 | 38.8 | 200 | 1.5 @ 200mA | 3.0 |
| 1SMB5951B | 951B | 120 | 5 | 26 | 42.6 | 250 | 1.5 @ 200mA | 3.0 |
| 1SMB5952B | 952B | 130 | 5 | 24 | 47.1 | 300 | 1.5 @ 200mA | 3.0 |
| 1SMB5953B | 953B | 150 | 5 | 22 | 51.7 | 380 | 1.5 @ 200mA | 3.0 |
| 1SMB5954B | 954B | 160 | 5 | 20 | 56 | 450 | 1.5 @ 200mA | 3.0 |
| 1SMB5955B | 955B | 180 | 5 | 18 | 62.2 | 600 | 1.5 @ 200mA | 3.0 |
| 1SMB5956B | 956B | 200 | 5 | 16 | 69.2 | 700 | 1.5 @ 200mA | 3.0 |
2209081730_Jingdao-Microelectronics-1SMB5946B_C5157067.pdf
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