UG4A SEMTECH_ELEC | Alldatasheet
Document overview
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- PDF pages: 2
Technical content
Features
- Ultrafast recovery time for high efficiency
- Soft recovery characteristics
- Excellent high temperature switching
- Glass passivated junction Mechanical Data
- Case: Molded plastic, DO-201AD
- Terminals: Plated axial leads, solderable per MIL-STD-750, method 2026
- Polarity: Color band denotes cathode end
- Mounting position: Any Absolute Maximum Ratings and Characteristics Ratings at 25 OC ambient temperature unless otherwise specified. Parameter Symbols UG4A UG4B UG4C UG4D Units Maximum Repetitive Peak Reverse Voltage V RRM 50 100 150 200 V Maximum RMS Voltage V RMS 35 70 105 140 V Maximum DC Blocking Voltage V DC 50 100 150 200 V Maximum Average Forward Rectified Current 0.375"(9.5 mm) Lead Length at T L = 75 OC I(AV) 4 A Peak Forward Surge Current, 8.3 ms Single Half-sine-wave Superimposed on rated load (JEDEC method) at TL = 75 OC IFSM 150 A Maximum Forward Voltage at 4 A VF 0.95 V Maximum Reverse Current T A = 25 OC at Rated DC Blocking Voltage T A = 100 OC IR 300 µA Maximum Reverse Recovery Time 1) t rr 20 ns Maximum Reverse Recovery Time 2) T J = 25 OC T J = 100 OC trr 50 ns Maximum Recovered stored charge Time 2) T J = 25 OC T J = 100 OC Qrr 30 nC Typical Junction Capacitance 3) C J 20 pF Typical Thermal Resistance 4) R θJA 25 OC/W Operating Junction and Storage Temperature Range T J, Tstg -55 to +150 OC 1) Reverse recovery test conditions: IF = 0.5 A, IR = 1 A, Irr = 0.25 A. 2) trr and Qrr measured at tester: IF = 4 A, VR = 30 V, di/dt = 50 A/µs, Irr = 10% IRM for measurement of trr. 3) Measured at 1 MHz and applied reverse voltage of 4 V. 4) Thermal resistance from junction to ambient at 0.375" (9.5 mm) lead length. Dimensions in inches and (millimeters) DO-201AD 0.052(1.32) 0.048(1.22) 0.210(5.3) 0.190(4.8) 1.0 (25.4) MIN. 0.375(9.5) 0.285(7.2) 1.0 (25.4) MIN.
Dated : 26/04/2006 C R SEMTECH ELECTRONICS LTD. (Subsidiary of Semtech International Holdings Limited, a company listed on the Hong Kong Stock Exchange, Stock Code: 724) UG4A THRU UG4D