站点设定

仓库
语言设定
货币设定
资源
视频库
Cx Family Common Mode Chokes
0402CT Low Profile Chip Inductors
XAL7050 High-inductance Shielded Power Inductors
XGL4020 Ultra-low DCR Power Inductors

Q4434-BL

Flyback Regulator Transformer

符合RoHS
  • For flyback regulator applications using LM258X SIMPLE SWITCHER®
  • Recommended and approved by National Semiconductor
  • Input voltage: 4 – 6 V
  • Custom versions available
立即购买:
计数 单价
1 $6.15
250 $4.92
500 $4.28
1000 $3.05
2500 $2.60
5000 $2.38

对于大批量采购或非库存产品,点击这里请求报价

. 现货,可今天发货.
索取样品:

典型应用

与Texas Instruments LM258X (T1)一起使用

输入电压 输出 功率 Fsw
4 V 6 V 5 V , 1.6 A 8 W 100 kHz

规格

Electrical specifications at 25°C.

零件号 0A时的
电感 (µH)
(公差: ±15%)
最小电感
  5 A (µH) 1
DCR max (Ω) 2 最大
漏电感
(µH) 3
匝数比 电压-时间
乘积 (V-µs)
隔离
电压 (Vrms) 4
Pri Sec Pri : Sec
Q4434-BL 22.0 19.8 0.028 0.028 2.0 1 : 1 162 500
注释
  1. DC current at which the primary inductance is measured.
  2. DCR measured at 25°C. For other operating temperatures, use this DCR at Temperature calculator.
  3. Leakage inductance measured across the primary at 0.10 Vrms, 100 kHz.
  4. 500 Vrms isolation between windings.

端子:

  • RoHS-compliant – Tin-silver over tin over nickel over phos bronze.
  • COTS Plus tin-silver-copper and tin-lead terminations available.
环境
环境:
符合RoHS
环境温度范围:
–40°C to +85°C
储存温度范围:
Component: –40°C to +85°C
Tray packaging: –40°C to +80°C
故障率(FIT)/平均故障间隔时间(MTBF):
38 per billion hours / 26,315,789 hours, calculated per Telcordia SR-332

原理图

q4434s.gif

物理特性

lm258l1d.gif

dims_inches_mm.gif

一般规格

核心材料:
Ferrite
重量:
11.5 g
包装:
49 parts per tray

焊接/清洗

湿气敏感度等级(MSL):
1 (unlimited floor life at <30°C / 85% relative humidity)
抗焊接热:
Max three 40 second reflows at +260°C, parts cooled to room temperature between cycles
焊接之前,请参阅焊接线艺元件
PCB清洗:
Tested with pure water or alcohol only. More info.