Specifications
| Type | Description |
|---|---|
| Part Number | MUR820 |
| Manufacturer | ON Semiconductor |
| Product Type | LDO Regulator |
| Category | Power Management |
| Package Case | TO-220AC, CASE 221B; body approx. 15.11-15.75 mm x 9.65-10.29 mm x 4.06-4.82 mm |
| Component Type | Other |
| Peak Repetitive Reverse Voltage | 200 V; MUR820 / SUR8820 device rating |
| Working Peak Reverse Voltage | 200 V; MUR820 / SUR8820 device rating |
| DC Blocking Voltage | 200 V; MUR820 / SUR8820 device rating |
| Average Rectified Forward Current | 8.0 A; total device, rated VR, TC = 150°C |
| Peak Repetitive Forward Current | 16 A; rated VR, square wave, 20 kHz, TC = 150°C |
| Nonrepetitive Peak Surge Current | 100 A; rated load conditions, halfwave, single phase, 60 Hz |
| Operating Junction Temperature Range | -65 to +175°C; maximum rating |
| Storage Temperature Range | -65 to +175°C; maximum rating |
| Maximum Thermal Resistance Junction-to-Case | 3.0°C/W; MUR820 TO-220AC package |
| Thermal Resistance Junction-to-Ambient | 73°C/W; MUR/SUR8 TO-220AC package |
| Maximum Instantaneous Forward Voltage | 0.895 V; iF = 8.0 A, TC = 150°C; pulse width = 300 µs, duty cycle <= 2.0% |
| Maximum Instantaneous Forward Voltage | 0.975 V; iF = 8.0 A, TC = 25°C; pulse width = 300 µs, duty cycle <= 2.0% |
| Maximum Instantaneous Reverse Current | 250 µA; rated DC voltage, TJ = 150°C; pulse width = 300 µs, duty cycle <= 2.0% |
| Maximum Instantaneous Reverse Current | 5.0 µA; rated DC voltage, TJ = 25°C; pulse width = 300 µs, duty cycle <= 2.0% |
| Maximum Reverse Recovery Time | 35 ns; IF = 1.0 A, di/dt = 50 A/µs |
| Maximum Reverse Recovery Time | 25 ns; IF = 0.5 A, iR = 1.0 A, IREC = 0.25 A |
| Recovery Time Feature | 25 ns and 50 ns ultrafast recovery family |
| Reverse Voltage Family Range | 50-600 V; MUR810G, MUR815G, MUR820G, MUR840G, MUR860G, MURF860G series |
| ESD Rating Machine Model | Class C, >400 V; series ESD rating |
| ESD Rating Human Body Model | Class 3B, >16000 V; series ESD rating |
| Package | TO-220AC; MUR820G ordering information, Pb-Free |
| Shipping Quantity | 50 Units / Rail; MUR820G ordering information |
| Package Pin 1 | Cathode; TO-220AC CASE 221B style 1 |
| Package Pin 3 | Anode; TO-220AC CASE 221B style 1 |
| Case Material | Epoxy, molded; mechanical characteristics |
| Device Weight | Approximately 1.9 g; mechanical characteristics |
| Lead Temperature for Soldering | 260°C max for 10 s; mechanical characteristics |
| Flammability Rating | UL 94 V-0 at 0.125 in; epoxy material feature |
| Datasheet Status | request_only |
Product Overview
The MUR820 is an ON Semiconductor ultrafast power rectifier diode intended for Power_Management designs requiring a 200 V rectifier rating. Its voltage ratings include 200 V peak repetitive reverse voltage, 200 V working peak reverse voltage, and 200 V DC blocking voltage for the MUR820 / SUR8820 device rating.
Forward-current capability is specified at 8.0 A average rectified forward current for the total device at rated VR and TC = 150°C. The device also has a 16 A peak repetitive forward current rating under rated VR, square wave, 20 kHz, TC = 150°C conditions, plus a 100 A nonrepetitive peak surge current rating for halfwave, single phase, 60 Hz surge conditions.
The TO-220AC CASE 221B package uses pin 1 as cathode and pin 3 as anode. Mechanical facts include molded epoxy case material, approximately 1.9 g device weight, 260°C maximum lead temperature for 10 s soldering, and UL 94 V-0 flammability at 0.125 in. Thermal ratings include 3.0°C/W junction-to-case and 73°C/W junction-to-ambient.
Key Features
- 200 V peak repetitive reverse voltage rating
- 8.0 A average rectified forward current at TC = 150°C
- 16 A peak repetitive forward current at 20 kHz
- 100 A nonrepetitive peak surge current rating
- 25 ns maximum reverse recovery under specified test condition
- 35 ns maximum reverse recovery at IF = 1.0 A
- 0.895 V maximum forward voltage at TC = 150°C
- TO-220AC CASE 221B package with cathode and anode pins
- Molded epoxy case with UL 94 V-0 rating
- -65 to +175°C operating junction temperature range
Typical Applications
- Power rectification stages
- Fast recovery diode positions
- 200 V blocking circuits
- 8 A rectifier outputs
- TO-220AC through-hole assemblies
- High-temperature power designs
- Surge-rated rectifier circuits
Procurement Notes
When requesting a quote for MUR820, buyers should confirm the manufacturer, package or case, required quantity, target date code, compliance documents, packing method, destination country and expected delivery schedule.
If alternatives are acceptable, buyers should share the approved vendor list, required electrical or optical limits, package constraints and qualification requirements. Any alternative part should be reviewed by the buyer's engineering team before production use.
For power IC and power device sourcing, voltage rating, current rating, power dissipation, package thermal performance, protection features, qualification grade and application conditions should be reviewed before approval.
FAQ
What type of component is the MUR820?
The MUR820 is an ON Semiconductor ultrafast power rectifier diode in the Power_Management category. The extracted datasheet facts identify it as part of an ultrafast recovery family with specified reverse recovery times of 35 ns and 25 ns under defined test conditions.
What voltage and current ratings apply to MUR820?
The MUR820 has 200 V peak repetitive reverse voltage, 200 V working peak reverse voltage, and 200 V DC blocking voltage ratings. Its average rectified forward current is 8.0 A at rated VR and TC = 150°C.
What package and pinout are specified for MUR820?
The device is listed in a TO-220AC, CASE 221B package. For TO-220AC CASE 221B style 1, pin 1 is cathode and pin 3 is anode. The body dimensions are approximately 15.11-15.75 mm x 9.65-10.29 mm x 4.06-4.82 mm.
Technical Review & Sourcing Note
Prepared by LDeepAI Component Sourcing Team. Reviewed for RFQ, documentation and alternative sourcing use. Last updated: July 26, 2026.
This page is based on manufacturer datasheet information and LDeepAI sourcing review. Specifications should be verified against the official manufacturer datasheet before final procurement or design approval. Final electrical, optical and reliability approval should be confirmed by the buyer's engineering team.