Compact NH SF55G Super Fast Recovery Rectifier Designed for Industrial Electronics and High Frequency Inverter
Key Attributes
Model Number:
SF55G
Product Custom Attributes
Non-Repetitive Peak Forward Surge Current:
150A
Reverse Leakage Current (Ir):
5uA
Reverse Recovery Time (trr):
35ns
Diode Configuration:
1 Independent
Operating Junction Temperature Range:
-55℃~+150℃
Voltage - DC Reverse (Vr) (Max):
300V
Voltage - Forward(Vf@If):
1.25V@5A
Current - Rectified:
5A
Mfr. Part #:
SF55G
Package:
DO-27
Product Description
Product Overview
The SF55G is a Super Fast Recovery Rectifier from Niu Hang Specification Electronic Co. Ltd. It features glass passivated chip junctions, ultrafast reverse recovery times, low leakage current, and low forward voltage drop for high efficiency. Designed for high surge capability and high-temperature soldering, this rectifier is suitable for high-frequency inverters, LED drivers, and other demanding applications.
Product Attributes
- Brand: Niu Hang (NH)
- Model: SF55G
- Certifications: RoHS 2011/65/EU
- Package: DO-27 (DO-201AD)
- Terminals: Plated axial leads, solderable per MIL-STD-750, method 2026
- Polarity: White band denotes cathode end
- Weight: App. 1.0 grams (0.0353 ounce)
Technical Specifications
| Parameter | Symbol | Test Conditions | Unit | SF55G |
| Maximum Ratings | ||||
| Maximum Repetitive Peak Reverse Voltage | VRRM | V | 300 | |
| Maximum RMS Voltage | VRMS | V | 210 | |
| Maximum DC Blocking Voltage | VDC | V | 300 | |
| Peak Forward Surge Current | IFSM | 8.3ms single half sine-wave superimposed on rated load (JEDEC method at rated TL) | A | 50 |
| Maximum Average Forward Rectified Current | IF(AV) | See Fig.1 | A | 5.0 |
| Electrical Characteristics | ||||
| Maximum Instantaneous Reverse Current at Rated DC Blocking Voltage | IRRM | Ta=25, 80%*VRRM | uA | 100 |
| Maximum Instantaneous Reverse Current at Rated DC Blocking Voltage | IRRM | Ta=125, 80%*VRRM | uA | 50 |
| Maximum Instantaneous Forward Voltage | VF | IF=5.0A, Note 1 | V | 1.25 |
| Maximum Reverse Recovery Time | TRR | IF=0.5A, IR=1.0A, IRR=0.25A, Note 1 | ns | 50 |
| Typical Junction Capacitance | CJ | VR=4V, f=1MHz, Note 1 | pF | 25 |
| Thermal Characteristics | ||||
| Typical Thermal Resistance (Note 2) | RJA | Vertical P.C.B. mounted | /W | 300 |
| Typical Thermal Resistance (Note 2) | RJL | Vertical P.C.B. mounted | /W | 8 |
| Operating Junction and Storage Temperature Range | TJ, TSTG | -55 to 150 | ||
2410121819_NH-SF55G_C7427741.pdf
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