C1495-ALB

更新时间： 2024-01-19 03:27:29

品牌	Logo	应用领域
线艺 - COILCRAFT		变压器
页数	文件大小	规格书
1页	139K
描述
Flyback Transformers

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技术参数
数据手册

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C1495-ALB 技术参数

是否无铅：	不含铅	是否Rohs认证：	符合
生命周期：	Active	包装说明：	ROHS COMPLIANT
Reach Compliance Code：	compliant	ECCN代码：	EAR99
风险等级：	5.59	其他特性：	TURNS RATIO: 1:0.166; 1:0.50, HEIGHT DIM INCLUDES TERMINAL ALSO
高度：	12.32 mm	最大输入电压：	72 V
最小输入电压：	36 V	长度：	13.46 mm
安装特点：	SURFACE MOUNT	初级绕组数量：	2
次级绕组数量：	1	最大工作频率：	250 kHz
最高工作温度：	85 °C	最低工作温度：	-40 °C
输出电压 1：	3.3 V	包装方法：	TAPE & REEL
物理尺寸：	13.46mm X 13.0mm X 12.32mm	额定功率：	13 W
初级电感：	127 µH	表面贴装：	YES
端子面层：	Tin/Silver - Matte Tin - with Nickel barrier	变压器类型：	SMPS TRANSFORMER
宽度：	13 mm	Base Number Matches：	1

C1495-ALB 数据手册

Document 445

For National Semiconductor

Flyback Transformers LM5070 PoE Interface – 13 Watt

•ꢀFlyback transformers for 13 W PoE applications

•ꢀDesigned to operate in continuous mode at 250 kHz with an

input of 36–72 Vdc

•ꢀ1500 Vrms isolation from primary and bias to secondary

Core material Ferrite

Terminations RoHS tin-silver (96.5/3.5) over tin over nickel over phos

bronze. Other terminations available at additional cost.

Weight 6.15 g

Ambient temperature –40°C to +85°C

Storage temperature Component: –40°C to +85°C.

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

Resistance to soldering heat Max three 40 second reﬂows at

+260°C, parts cooled to room temperature between cycles

Moisture Sensitivity Level (MSL) 1 (unlimited ﬂoor life at <30°C /

85% relative humidity)

Failures in Time (FIT) / Mean Time Between Failures (MTBF)

38 per billion hours / 26,315,789 hours, calculated per Telcordia SR-332

Packaging 175 per 13″ reel Plastic tape: 32 mm wide, 0.5 mm thick,

28 mm pocket spacing, 12.93 mm pocket depth

PCB washing Tested with pure water or alcohol only. For other solvents,

see Doc787_PCB_Washing.pdf

Inductance Inductance

Leakage

DCR max (Ohms)⁴

pri bias sec

Turns ratio⁶

pri : sec pri : bias

Part

number¹±±0ꢀ (ꢁµ)

at 0 A²

at Ipk³

inductance

Ipk³

(A)

min (ꢁµ)

max (ꢁµ)⁵

Output⁷

C1495-AL_

C1585-AL_

C1586-AL_

127

114.3

0.255 0.310 0.024

0.222 0.348 0.039

0.199 0.308 0.129

1.25

0.950

0.650

1 : 0.166 1 : 0.50

1.0

3.3 V, 4.0 A

5.0 V, 2.6 A

1 : 0.25

1 : 0.50

1.0 12 V, 1.08 A

1. When ordering, please specify packaging code:

2. Inductance is for the primary, measured at 250 kHz, 0.2 Vrms, 0 Adc.

3. Ipk is peak primary current drawn at minimum input voltage.

4. DCR for the secondary is per winding.

5. Leakage inductance measured between pins 3 and 4 with all other

pins shorted.

6. Turns ratio is with the secondary windings connected in parallel.

7. Output of the secondary is with the windings connected in parallel.

Bias winding output is 12 V, 20 mA.

C±586-ALD

Packaging: D = 13″ machine-ready reel. EIA-481 embossed plastic

tape (175 parts per full reel).

B = Less than full reel. In tape, but not machine ready.

To have a leader and trailer added ($25 charge), use

code letter D instead.

8. Electrical speciﬁcations at 25°C.

Refer to Doc 362 “Soldering Surface Mount Components” before soldering.

Dot above pin1

0.500

12,70

max

0.004/0,10

0.039

1,00

0.699

17,75

max

Pri

Sec

0.050

1,27

0.028

0,70

0.512

13,00

0.080

2,03

0.590

14,99

Bias

0.530

13,46

Recommended

Land Pattern

max

Secondary windings to be connected

in parallel on the PC board

0.098

2,50

0.098

2,50

inches

Dimensions are in

Document 445 Revised 10/29/08

US +1-847-639-6400 sales@coilcraft.com

UK +44-1236-730595 sales@coilcraft-europe.com

Taiwan +886-2-2264 3646 sales@coilcraft.com.tw

China +86-21-6218 8074 sales@coilcraft.com.cn

Singapore + 65-6484 8412 sales@coilcraft.com.sg

This product may not be used in medical or high

risk applications without prior Coilcraft approval.

Specification subject to change without notice.

Please check web site for latest information.

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