BY448 NJSEMI | Alldatasheet
Document overview
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- PDF pages: 2
Technical content
Features
- Glass passivated junction
- Hermetically sealed package
Applications
High voltage rectification diode Efficiency diode in horizontal deflection circuits Mechanical Data Case: SOD-57 Sintered glass case Terminals: Plated axial leads, solderable per MIL-STD-750, Method 2026 Polarity: Color band denotes cathode end Mounting Position: Any Weight: approx. 369 mg Parts Table Part BY448 BY458 Type differentiation VR = 1500 V; IFAV = 2 A VR = 1200 V; IFAV = 2 A Package SOD-57 SOD-57 Absolute Maximum Ratings Tamb = 25 °C, unless otherwise specified Parameter Reverse voltage Peak forward surge current Average forward current Junction temperature Storage temperature range Non repetitive reverse avalanche energy Test condition see electrical characteristics tp = 10 ms, half sinewave !(BR)R = °-4 A Part BY448 BY458 Symbol VR = VRRM VR = VRRM 'FSM 'FAV TI Tstg ER Value 1500 1200 140 -55tO+ 175 Unit V V A A mj Maximum Thermal Resistance Tamb = 25 °C, unless otherwise specified Parameter Junction ambient Test condition I = 10 mm, T|_ = constant on PC board with spacing 25 mm Symbol RthJA RthJA Value 100 Unit K/W K/W Quality Semi-Conductors
Electrical Characteristics
Tamb = 25 °C, unless otherwise specified Parameter Forward voltage Reverse current Total reverse recovery time Reverse recovery time Test condition IF = 3 A VR = VRRM VR = VRRM,Tj = 140°C IF = 1 A, - djF/dt = 0.05 A/us IF = 0.5 A, IR = 1 A, iR = 0,25A Symbol VF IR IH t,r trr Min Typ. Max 1.6 140 Unit V uA HA us us Package Dimensions in mm (Inches) Sintered Glass Case SOD-57 Cathode Identification 0.82 (0.032) max. ^\\" 26(1. 014) min. 4.0(0.1 ^f**^ 56) max. 26(1. 014) min.