Datasheet > SMAJ440A-AT

SMAJ440A-AT

更新时间： 2024-01-27 11:48:53

品牌	Logo	应用领域
优恩 - UNSEMI		/
页数	文件大小	规格书
6页	1186K
描述
Surface Mount Transient Voltage Suppressors

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技术参数
数据手册

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SMAJ440A-AT 技术参数

是否Rohs认证：	符合	生命周期：	Active
Reach Compliance Code：	unknown	风险等级：	5.65
湿度敏感等级：	1	峰值回流温度（摄氏度）：	260
处于峰值回流温度下的最长时间：	40	Base Number Matches：	1

SMAJ440A-AT 数据手册

Surface Mount Transient Voltage Suppressors

Reflow Condition

-Temperature Min (T_s(min)

Lead–free assembly

150°C

T_P

Critical Zone

T_Lto T_P

Ramp-up

)

T_L

Pre Heat

-Temperature Max (T_s(max)

- Time (min to max) (t_s)

)

200°C

T_S(max)

Ramp-down

60 -180 Seconds

T_S(min)

Average ramp up rate ( Liquidus Temp T_L)

to peak

3°C/second max

Preheat

Time to peak temperature

T_S(max)to TL - Ramp-up Rate

3°C/second max

217°C

Time

(t 25℃ to peak)

- Temperature (T_L) (Liquidus)

Reflow

- Time (min to max) (t_s)

60 -150 Seconds

260 +0/-5°C

Peak Temperature (T_P)

Time within 5°C of actual peak

Temperature (t_p)

20 -40 Seconds

Ramp-down Rate

6°C/second max

8 minutes Max

260°C

Time 25°C to peak Temperature (T_P)

Do not exceed

@ UN Semiconductor Co., Ltd. 2019

Specifications are subject to change without notice.

Revision December 19, 2019

5 / 6

Please refer to www.unsemi.com.tw for current information.

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