BY448
BY448 is Standard Avalanche Sinterglass Diode manufactured by LGE.
- Part of the BY458 comparator family.
- Part of the BY458 comparator family.
Features
- -
- - Glass passivated junction Hermetically sealed package e2 Lead (Pb)-free ponent ponent in accordance to Ro HS 2002/95/EC and WEEE 2002/96/EC
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 SOD-57 SOD-57 Package
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 I(BR)R = 0.4 A Test condition see electrical characteristics tp = 10 ms, half sinewave Part BY448 BY458 Symbol VR = VRRM VR = VRRM IFSM IFAV Tj Tstg ER Value 1500 1200 30 2 140
- 55 to + 175 10 Unit V V A A °C °C m J
Maximum Thermal Resistance
Tamb = 25 °C, unless otherwise specified Parameter Junction ambient Test condition l = 10 mm, TL = constant on PC board with spacing 25 mm Symbol Rth JA Rth JA Value 45 100 Unit K/W K/W http://.luguang.cn mail:lge@luguang.cn http://..
BY448/BY458
Standard Avalanche Sinterglass Diode
Electrical Characteristics
Tamb = 25 °C, unless otherwise specified Parameter Forward voltage Reverse current Total reverse recovery time Reverse recovery time IF = 3 A VR = VRRM VR = VRRM, Tj = 140 °C IF = 1 A,
- di F/dt = 0.05 A/µs IF = 0.5 A, IR = 1 A, i R = 0,25 A Test condition Symbol VF IR IR trr trr Min Typ. Max 1.6 3 140 20 2 Unit V µA µA µs µs
Typical Characteristics (Tamb = 25 °C unless otherwise specified)
Rth JA Therm. Resist. Junction/Ambient (K/W)
120 l 100 80 60 40 20 0 0 5 10 15 20 25 30
16418 l
I FA
- Average Forward Current ( A )
2.5 2.0 1.5 1.0 0.5 0 0 Rth JA = 100 K/W PCB: d = 25 mm 25 50 75 100 125 150 Tamb
- Ambient...