Toshiba U20GL2C48A Data Handbook
Summary
The U20GL2C48A is a high-efficiency silicone epitaxial diode stack ideal for switching mode power supply applications, including converters and choppers. Featuring robust ratings up to 400V and 20A with ultra-fast reverse recovery time, this component ensures low switching losses and stable output noise. This manual provides detailed maximum electrical ratings, operational characteristics, handling guidelines, and usage restrictions necessary for safe integration into general electronics like industrial robotics, domestic appliances, and office equipment.
Page 1 Text Content
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U20GL2C48A
TOSHIBA HIGH EFFICIENCY DIODE STACK (HED) SILICON EPITAXIAL TYPE
U20GL2C48A
Unit: mm
SWITCHING MODE POWER SUPPLY APPLICATION CONVERTER & CHOPPER APPLICATION
Repetitive Peak Reverse Voltage : VRRM = 400V Average Output Rectified Current : IO = 20A Ultra Fast Reverse−Recovery Time : trr = 35ns (Max) Low Switching Losses and Output Noise.
MAXIMUM RATINGS (Ta = 25°C)
CHARACTERISTIC SYMBOL RATING UNIT
Repetitive Peak Reverse Voltage VRRM 400 V Average Output Rectified Current IO 20 A
100 (50Hz) Peak One Cycle Surge Forward
Current (Sin Wave) IFSM
110 (60Hz)
JEDEC ―
Junction Temperature Tj −40~150 °C JEITA ―
TOSHIBA 12−10D2A
Storage Temperature Range Tstg −40~150 °C
ELECTRICAL CHARACTERISTICS (Ta = 25°C)
CHARACTERISTIC SYMBOL TEST CONDITION MIN TYP. MAX UNIT
Peak Forward Voltage VFM IFM = 10A ― ― 1.8 V Repetitive Peak Reverse Current IRRM VRRM = 400V ― ― 50 µA Reverse Recovery Time trr IF = 2A, di / dt = −50A / µs ― ― 35 ns Forward Recovery Time tfr IF = 1A ― ― 100 ns Thermal Resistance Rth (j−c) DC Total, Junction to Case ― ― 1.6 °C / W
Note: VFM, IRRM, trr, tfr ········ A value of one cell.
POLARITY MARKING
* 1 MARK 20GL2C * 2 A
Page Summary Contents For Toshiba U20GL2C48A Data Handbook
Manual Details
| Brand | Toshiba |
|---|---|
| Pages | 2 |
| File Size | 80.29 KB |
| Published | June 04, 2026 |
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Frequently Asked Questions
What is the maximum permissible reverse peak voltage (V_RRM)?
The Repetitive Peak Reverse Voltage (V_RRM) rating is 400 V.
Can I use these diodes in critical applications like medical or aerospace equipment?
No, they are not warranted for 'Unintended Usage,' such as medical instruments, airplane/spaceship instruments, or atomic energy control instruments.
What is the maximum average continuous output current this diode stack can handle?
The Average Output Rectified Current (I_O) is rated at 20 A.