Fairchild ISL9R460PF2 4A, 600V Stealth Diode Data Manual
Summary
This Stealth™ Diode is engineered for high-performance and efficient power switching applications, featuring soft recovery characteristics and low loss across 600V and 4A ratings. Optimized for hard switched rectifier circuits, it minimizes ringing in SMPS units, UPS systems, and PFC Boost setups. The comprehensive manual provides detailed electrical specifications, thermal management guidelines, rigorous performance curves, and maximum ratings necessary for designers building reliable power supplies and motor drivers.
Page 1 Text Content
IS 9R 460P
April 2009
ISL9R460PF2 4A, 600V Stealth™ Diode General Description Features
Soft Recovery . . . . . . . . . . . . . . . . . . . . . . . . . tb / ta > 3
The ISL9R460PF2 is a Stealth™ diode optimized for low loss performance in high frequency hard switched Fast Recovery . . . . . . . . . . . . . . . . . . . . . . . . . trr < 20ns applications. The Stealth™ family exhibits low reverse
recovery current (IRRM) and exceptionally soft recovery Operating Temperature . . . . . . . . . . . . . . . . . . . . 150o C
under typical operating conditions.
Reverse Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . 600V
This device is intended for use as a free wheeling or boost
Avalanche Energy Rated
diode in power supplies and other power switching applications. The low IRRM and short ta phase reduce loss
Applications
in switching transistors. The soft recovery minimizes
ringing, expanding the range of conditions under which the Switch Mode Power Supplies
diode may be operated without the use of additional
Hard Switched PFC Boost Diode
snubber circuitry. Consider using the Stealth™ diode with an SMPS IGBT to provide the most efficient and highest UPS Free Wheeling Diode power density design at lower cost.
Motor Drive FWD SMPS FWD
Formerly developmental type TA49408.
Snubber Diode
Package Symbol
TO-220F
CATHODE ANODE
Device Maximum Ratings TC= 25°C unless otherwise noted Symbol Parameter Ratings Units VRRM Peak Repetitive Reverse Voltage VRWM Working Peak Reverse Voltage VR DC Blocking Voltage IF(AV) Average Rectified Forward Current (TC = 108°C) IFRM Repetitive Peak Surge Current (20k Hz Square Wave) IFSM Nonrepetitive Peak Surge Current (Halfwave 1 Phase 60Hz) PD Power Dissipation EAVL Avalanche Energy (0.5A, 80m H) m J TJ, TSTG Operating and Storage Temperature Range -55 to 150 °C TL Maximum Temperature for Soldering TPKG Leads at 0.063in (1.6mm) from Case for 10s °C
Package Body for 10s, See Techbrief TB334 °C
CAUTION: Stresses above those listed in “Device Maximum Ratings” may cause permanent damage to the device. This is a stress only rating and operation of the device at these or any other conditions above those indicated in the operational sections of this specification is not implied.
2009 Fairchild Semiconductor Corporation ISL9R460PF2 Rev. A1
Page Summary Contents For Fairchild ISL9R460PF2 4A, 600V Stealth Diode Data Manual
Manual Details
| Brand | Fairchild |
|---|---|
| Pages | 7 |
| File Size | 665.63 KB |
| Published | June 20, 2026 |
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Frequently Asked Questions
What is the recommended application for this diode?
It's intended for use in power supplies, such as free wheeling or boost converters, and switching transistors.
How does the Soft Recovery feature benefit the circuit design?
Soft recovery minimizes ringing in Switch Mode Power Supplies (SMPS) without needing additional snubber circuitry, improving efficiency and design flexibility.
What is the maximum operating temperature range for this device?
The operational and storage temperature range spans from -55 to 150 °C.
Where can I confirm that I am buying genuine parts?
Purchase directly from Fairchild or from Authorized Fairchild Distributors listed on their website; avoiding unauthorized sources is crucial.