3D Model Datasheet

GA3429-BL Flyback Transformer

for Linear Technology LT3573

Developed for Linear Technology LT3573 Isolated Flyback Converter
Can also be used in PoE applications
Bias winding provides power to the chipset

立即购买:

计数	单价
1	$3.42
250	$2.92
500	$2.55
1000	$2.00
2500	$1.71
5000	$1.56

对于大批量采购或非库存产品，点击这里请求报价。

Packaging

D = 13" machine-ready reel

. 现货，可今天发货.

索取样品:

典型应用

与Analog Devices LT3573一起使用

输入电压	输出 1		功率	Fsw
输入电压	Sec	Bias	功率	Fsw
20 V — 28 V	3.3 V , 1.5 A	3.3 V , 0.02 A	5 W	250 kHz

规格

Electrical specifications at 25°C.

零件号 2 (Hover for schematics)	0A时的电感 (µH) 3 (公差: ±10%)	最小电感 2.1 A (µH)	DCR max (mΩ) 4			最大漏电感 (µH) 5	匝数比 6	隔离电压 (Vrms) 7
零件号 2 (Hover for schematics)	0A时的电感 (µH) 3 (公差: ±10%)	最小电感 2.1 A (µH)	Pri	Sec	Bias	最大漏电感 (µH) 5	Pri : Sec : Bias	隔离电压 (Vrms) 7
GA3429-BL_	24.0	21.6	95.0	7.5	123	0.566	1 : 0.25 : 0.25	1500

注释

Output is with the secondary windings connected in parallel. Bias winding output: 3.3 V, 20 mA.
When ordering, please specify packaging code: GA3429-BLD.
Inductance is for the primary, measured at 250 kHz, 0.3 Vrms, 0 Adc.
DCR for the secondary is per winding.
Leakage inductance measured between pins 3 and 4 with all secondary pins shorted.
Turns ratio is with the secondary windings connected in parallel.
1500 Vrms isolation from primary and bias to secondary;
500 Vrms isolation from primary to bias, tested for one minute.

端子:

RoHS-compliant. 260°C compatible. Tin-silver (96.5/3.5) over tin over nickel over phos bronze terminations. Other terminations available at additional cost.

包装:

D = 13″ machine-ready reel. EIA-481 embossed plastic tape (250 parts per full reel). Quantities less than full reel available: in tape (not machine ready) or with leader and trailer ($25 charge).
B = Less than full reel. In an effort to simplify our part numbering system, Coilcraft is eliminating the need for multiple packaging codes. When ordering, simply change the last letter of your part number from B to D.

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.
Tape and reel packaging: –40°C to +80°C

故障率（FIT）/平均故障间隔时间（MTBF）:

See FIT/MTBF Calculations

原理图

Secondary windings to be connected
in parallel on the PC board

物理特性

卷装规格

Parts per reel	Reel dimensions (mm)					Tape dimensions (mm)						Orientation
13" (330 mm)	A	B	C	D	E	W	P	Po	P1	H	T
250	330	100	13	38,4	32,4	32	20	4	2	11,2	0,5

一般规格

核心材料:

Ferrite

重量:

3.9 to 4.1 g

包装:

250 per 13″ reel Plastic tape: 32 mm wide, 0.5 mm thick, 20 mm pocket spacing, 11.2 mm pocket depth.

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. For other solvents, see Doc787_PCB_Washing.pdf

仓库

语言设定

货币设定

GA3429-BL Flyback Transformer

for Linear Technology LT3573

所选配置不可用

典型应用

规格

端子:

包装:

原理图

物理特性

卷装规格

一般规格

焊接/清洗

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警告