Description
HVRTION HV37 series high voltage fast recovery diodes: 8KV to 30KV, current 150mA-450mA, 80ns reverse recovery time, 30A surge, 2µA ultra-low leakage, wide storage temperature -55~160°C. Ideal for X-ray, laser drivers, capacitor charging, high frequency power supplies, and aerospace/defense applications.
Product Overview
High Current Density, Ultra-Fast Switching, Extremely Low Leakage, Wide Temperature Range – The Ultimate High Performance HV Rectifier Family
The HV37 Series from HVRTION is a premium, high-performance family of fast recovery high voltage diodes designed for applications that demand the best combination of high current, ultra-fast switching, extremely low leakage, and an exceptionally wide storage temperature range (-55°C to +160°C). Covering voltages from 8KV to 30KV, with forward current ratings from 150mA to 450mA (derated with voltage), a consistent 30A surge capability, and 80ns reverse recovery time, The compact axial package (φ4.2×15mm / φ0.8mm leads) saves PCB space while maintaining excellent high voltage characteristics.
Series Overview – Models & Key Parameters
|
Type |
Rated Values |
Temp. Condition |
Electrical Characteristic |
Dimension |
|||||
|
VRRM |
IF(AV) (mA) |
IFSM |
Tj |
Tstg |
VF |
IR1 |
Trr |
φbody*L, φlead |
|
|
[IFM=350mA] |
[VR=VRRM] |
||||||||
|
KV |
mA |
A |
℃ |
℃ |
V |
μA |
μS |
mm |
|
|
HV37-08 |
8 |
450 |
30 |
150 |
-55~160 |
18 |
2 |
0.08 |
Φ4.2*15/Φ0.8 |
|
HV37-10 |
10 |
400 |
30 |
150 |
-55~160 |
20 |
2 |
0.08 |
Φ4.2*15/Φ0.8 |
|
HV37-12 |
12 |
350 |
30 |
150 |
-55~160 |
24 |
2 |
0.08 |
Φ4.2*15/Φ0.8 |
|
HV37-15 |
15 |
300 |
30 |
150 |
-55~160 |
28 |
2 |
0.08 |
Φ4.2*15/Φ0.8 |
|
HV37-20 |
20 |
200 |
30 |
150 |
-55~160 |
33 |
2 |
0.08 |
Φ4.2*15/Φ0.8 |
|
HV37-30 |
30 |
150 |
30 |
150 |
-55~160 |
40 |
2 |
0.08 |
Φ4.2*15/Φ0.8 |
Key Features
1. High Current Rating – Up to 450mA
Highest current in its voltage class: 450mA at 8KV, 400mA at 10KV, 350mA at 12KV, 300mA at 15KV, 200mA at 20KV, 150mA at 30KV
Delivers more power than standard 100mA or 200mA diodes
Reduces component count and simplifies parallel configurations
2. Wide Voltage Range – 8KV to 30KV
Six models covering the most common high voltage levels
One family meets multiple design requirements
3. Ultra-Fast Recovery – 80ns (Typical)
80ns reverse recovery time enables high frequency switching up to 100-150kHz
Dramatically reduces switching losses and reverse recovery heating
Ideal for high frequency resonant, flyback, and boost converters
4. Extremely Low Leakage Current – 2µA at 25°C, 10µA at 100°C
Industry-leading low reverse current at rated voltage
Minimizes standby power consumption and heat generation
Extends system lifetime in continuous high voltage bias
5. High Surge Current Capability – IFSM = 30A
Outstanding 30A peak forward surge current (single cycle)
Excellent robustness for capacitor charging, inrush currents, and fault conditions
Withstands harsh electrical environments and pulsed loads
6. Low Forward Voltage Drop
VFM ranges from 18V (8KV/450mA) to 40V (30KV/150mA) at respective rated currents
Reduces conduction losses, improving overall system efficiency
7. Exceptional Storage Temperature Range – -55°C to +160°C
One of the widest temperature ranges available for high voltage diodes
Suitable for aerospace, defense, automotive, and outdoor applications
Allows operation in extreme environments without derating concerns
8. Compact Axial Package – Φ4.2×15mm body, Φ0.8mm leads
Small footprint saves valuable PCB space
Standard axial lead configuration compatible with automated insertion and wave soldering
Easy drop-in replacement for common high voltage diode outlines
Despite small size, handles high voltage up to 30KV with proper PCB layout
9. High Reliability Construction
Designed for long-term reliability in mission-critical systems
10. RoHS & REACH Compliant
Environmentally friendly, lead-free epoxy encapsulation
Axial lead design – suitable for through-hole mounting, wave soldering, and manual assembly. The compact package allows high density mounting.
Applications – Where to Use the HV37 Series
The HV37 series is engineered for the most demanding medium-to-high voltage systems requiring high current, ultra-fast recovery, ultra-low leakage, and extreme temperature tolerance.
X-Ray & Medical Imaging
- High voltage rectification in X-ray generators, CT scanners, dental and mammography systems
- High current (450mA at 8KV) supports high-power X-ray tubes
- Ultra-low leakage (2µA) ensures stable output and patient safety
- Wide temperature range suitable for generator enclosures
Solid-State Laser Drivers & Pulsed Lasers
- 80ns ultra-fast recovery enables extremely sharp pulse edges for laser diode and flashlamp drivers
- 30A surge current reliably withstands capacitor discharge events
- Ideal for medical, industrial, and military laser systems
Electrostatic Precipitators & Industrial Air Purifiers
- Reliable rectification for high voltage ionizers and dust collectors
- High current options support large precipitator systems
- Low leakage reduces corona current waste
High Frequency High Voltage Power Supplies
- Flyback, boost, and resonant converters operating at 100-150kHz
- 80ns Trr dramatically minimises reverse recovery losses
- Current ratings from 150mA to 450mA cover a wide power range (50W to 200W+)
Capacitor Charging Power Supplies (CCPS)
- Exceptional 30A surge capability handles high inrush charging currents
- 30KV rating suitable for defibrillators, pulsed lasers, radar modulators, and pulsed power systems
High Voltage Test Equipment (HIPOT Testers)
- Accurate AC-DC rectification with ultra-low leakage (2µA) preserves measurement precision
- Wide temperature range allows outdoor or unconditioned test environments
Aerospace & Defense Electronics
- Wide storage temperature -55°C to +160°C meets military and aerospace requirements
- High reliability glass passivated construction
- Suitable for radar, avionics, missile guidance, and satellite power systems
Secondary Applications
- Electron beam power supplies (e-beam welders, sterilizers)
- Mass spectrometers and particle accelerators
- High voltage DC-DC converters for industrial controls
- Medical defibrillator charging circuits
- High voltage power supplies for photomultiplier tubes (PMTs)
- Oil & gas downhole instrumentation (high temperature capability)
- Electric vehicle high voltage auxiliary supplies
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