Low Loss NH HER508 Rectifier Diode Designed for Switch Mode Power Supplies and Fast Charging Systems
Key Attributes
Model Number:
HER508
Product Custom Attributes
Reverse Leakage Current (Ir):
5uA
Reverse Recovery Time (trr):
70ns
Operating Junction Temperature Range:
-55℃~+150℃
Diode Configuration:
1 Independent
Voltage - DC Reverse (Vr) (Max):
1kV
Voltage - Forward(Vf@If):
1.7V@5A
Current - Rectified:
5A
Mfr. Part #:
HER508
Package:
DO-27
Product Description
Niuhang HER501 THRU HER508 High Efficiency Rectifier
The Niuhang HER501 THRU HER508 series are high-efficiency rectifiers designed for applications requiring fast switching speeds and low losses. Featuring NH'S High Efficiency Rectifier Chip Technology, these diodes offer low switching loss, low leakage current for high reliability, and ultra-fast switching speeds. They are ideal for use in Switch Mode Power Supplies (SMPS), Fast Chargers, LED Driver and Monitor Lighting, and Automotive Electronics and Charging Posts.
Product Attributes
- Brand: Niuhang
- Origin: China
- Material: RoHS-Compliant, Molded with UL-94 ClassV-0 Recognized
- Certifications: RoHS Compliant
Technical Specifications
| Parameter | Test Conditions | Symbol | HER501 | HER502 | HER503 | HER505 | HER506 | HER507 | HER508 | Unit |
| Maximum Repetitive Peak Reverse Voltage | VRRM | 50 | 100 | 200 | 400 | 600 | 800 | 1000 | V | |
| Maximum RMS Voltage | VRMS | 35 | 70 | 140 | 280 | 420 | 560 | 700 | V | |
| Maximum DC Blocking Voltage | VDC | 50 | 100 | 200 | 400 | 600 | 800 | 1000 | V | |
| Maximum Average Forward Rectified Current | IF(AV) | 5 | A | |||||||
| Peak Forward Surge Current | 8.3ms Single Half Sine-wave Superimposed On Rate Load | IFSM | 125 | A | ||||||
| Current Squared Time | t< 8.3ms | I2t | 64.8 | A2sec | ||||||
| Maximum Mounting Torque | M3 screw | TMM | 1.1 | N.m | ||||||
| Maximum Instantaneous Forward Voltage | IF= 5.0 A | VF | 1.00 | 1.30 | 1.70 | V | ||||
| Maximum DC Reverse Current at Rated DC Blocking Voltage | Ta=25,VR=VRRM | IRRM | 5 | uA | ||||||
| Maximum DC Reverse Current at Rated DC Blocking Voltage | Ta=125,VR=VRRM*80% | IRRM | 200 | uA | ||||||
| Typical Junction Capacitance | 4 V,1MHz | CJ | 60 | 25 | 20 | pF | ||||
| Maximum Reverse Recovery Time | IF=0.5A, IR=1.0A, IRR=0.25A | Trr | 50 | 75 | nS | |||||
| Operating Junction Temperature Range | TJ | -55~150 | ||||||||
| Storage Temperature Range | TSTD | -55~150 | ||||||||
| Thermal Resistance Junction To Ambient | Still Air Environment,With Steady-State,With Ta=25 | RJA | 53.0 | /W | ||||||
| Thermal Resistance Junction-Case | At 0.375"(9.5mm) lead length Mounted On vertical P.C. Board,With Steady-State | RJC | 16.0 | |||||||
2508201745_NH-HER508_C7427762.pdf
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