ROHM RB205T-90 Data Sheet
Summary
The RB205T-90 is a high-reliability Schottky barrier diode packaged in TO-220, engineered with low infrared characteristics and designed specifically for switching power supply applications. This technical manual provides comprehensive electrical data crucial for system designers, including absolute maximum ratings, detailed performance curves (VF-IF, VR-Ct), thermal impedance metrics, and transient specifications. It enables engineers to ensure optimal component integration into various electronic equipment requiring robust rectifying performance.
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RB205T-90
Diodes
Schottky barrier diode RB205T-90 Applications External dimensions (Unit : mm) Structure Switching power supply
Features 1) Cathode common type. (TO-220) 2) Low IR 3) High reliability
.5 IN
Construction
Silicon epitaxial planar .2
ROHM : ＴO220FN
Manufacture Date
Absolute maximum ratings (Ta=25°C)
Parameter Symbol Limits Unit
everse voltage (repetitive peak) VRM everse voltage (DC) VR
rage rectified forward current（*1） Io AAve
Forw ard current surge peak （60Hz・1cyc）（*1） IFSM
Ju nction temperature Tj
torage temperature Tstg -40 to +150
*1)Tc=100℃max. Per chip : Io/2
Electrical characteristic (Ta=25°C)
Parameter Symbol Min. Typ. Max. Unit Conditions
Forward voltage VF 0.78 IF=7.5A Reverse current IR µA VR=90V
Thermal impedance θjc 2.0 ℃/W junction to case
Rev.C 1/3
Page Summary Contents For ROHM RB205T-90 Data Sheet
Manual Details
| Brand | ROHM |
|---|---|
| Pages | 5 |
| File Size | 192.61 KB |
| Published | July 07, 2026 |
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Frequently Asked Questions
What is the maximum reverse voltage (repetitive peak)?
The repetitive peak reverse voltage limit is 90 V (V_R RM).
What are the operating temperature ranges?
Storage temperature operates from -40 to +150 °C, and junction temperature limits include an absolute maximum of 150 °C.
Does it have common Cathode functionality?
Yes, it is a cathode common type device, suitable for TO-220 mounting.
What are the average rectified forward current (Io) ratings at 150°C?
The current must be limited to 15 A (I_o A).
How does thermal impedance affect performance?
The electrical characteristic specifies a junction-to-case thermal impedance (θjc) ranging from 2.0 to 13.5 °C/W.