HIGH VOLTAGE ULTRAFAST RECTIFIER
®
STTH112/A/U
HIGH VOLTAGE ULTRAFAST RECTIFIER
MAIN PRODUCT CHARACTERISTICS IF(AV) VRRM Tj (max) VF (max) FEATURES AND...
Description
®
STTH112/A/U
HIGH VOLTAGE ULTRAFAST RECTIFIER
MAIN PRODUCT CHARACTERISTICS IF(AV) VRRM Tj (max) VF (max) FEATURES AND BENEFITS
s s
1A 1200 V 175 °C 1.65 V
s
s
s
Low forward voltage drop High reliability High surge current capability Soft switching for reduced EMI disturbances Planar technology
DO-41 STTH112
DESCRIPTION The STTH112, which is using ST ultrafast high voltage planar technology, is specially suited for free-wheeling, clamping, snubbering, demagnetization in power supplies and other power switching applications. ABSOLUTE RATINGS (limiting values) Symbol VRRM V(RMS) IF(AV) Parameter Repetitive peak reverse voltage RMS voltage Average forward current Tl = 85°C Tl = 115°C Tl = 125°C IFSM Forward surge current t = 8.3 ms
SMA STTH112A
SMB STTH112U
Value 1200 850 δ =0.5 δ =0.5 δ =0.5 DO-41 SMA SMB DO-41 SMA SMB 20 18 1
Unit V V A
A
Tstg Tj
Storage temperature range Maximum operating junction temperature
- 50 + 175 + 175
°C °C
January 2003 - Ed: 2
1/6
STTH112/A/U
THERMAL PARAMETERS Symbol Rth (j-l) Junction to lead Parameter L = 10 mm DO-41 SMA SMB Rth (j-a) Junction to ambient L = 10 mm DO-41 Value 45 30 25 110 Unit °C/W
STATIC ELECTRICAL CHARACTERISTICS Symbol IR Parameter Reverse leakage current Tests conditions VR = 1200V Tj = 25°C Tj = 125°C VF Forward voltage drop IF = 1 A Tj = 25°C Tj = 125°C To evaluate the maximum conduction losses use the following equation : P = 1.35 x IF(AV) + 0.3 x IF2(RMS) DYNAMIC ELECTRICAL CHARACTERISTICS Symbol trr ...
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