0451.400NR

更新时间： 2024-01-10 16:25:50

品牌	Logo	应用领域
力特 - LITTELFUSE		电熔丝电路保护
页数	文件大小	规格书
4页	1060K
描述
Electric Fuse, Very Fast Blow, 0.4A, 125VAC, 125VDC, 50A (IR), Surface Mount, NANO,

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技术参数
数据手册

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0451.400NR 技术参数

是否Rohs认证：	符合	生命周期：	Active
包装说明：	HALOGEN FREE AND ROHS COMPLIANT	Reach Compliance Code：	unknown
风险等级：	5.22	Is Samacsys：	N
Base Number Matches：	1

0451.400NR 数据手册

Surface Mount Fuses

NANO^2®> Very Fast-Acting > 451/453 Series

Temperature Rerating Curve

Average Time Current Curves

100

0.1

0.01

Note:

1.ꢀDeratingꢀdepictedꢀinꢀthisꢀcurveꢀisꢀinꢀadditionꢀtoꢀtheꢀstandardꢀderatingꢀofꢀ25%ꢀforꢀ

continuous operation.

0.001

0.05 0.1

100

1000

CURRENT IN AMPERES

Soldering Parameters

t_P

Reﬂow Condition

- Temperature Min (T

Pb – Free assembly

T_P

Critical Zone

Ramp-up

T_Lto T_P

)

150°C

s(min)

T_L

Pre Heat - Temperature Max (T

)

200°C

t_L

s(max)

T_S(max)

- Time (Min to Max) (t_s)

60 – 120 secs

Ramp-down

Average ramp up rate (Liquidus Temp

(T_L) to peak

Preheat

5°C/second max.

T_S(min)

t_S

T_S(max)to T_L- Ramp-up Rate

5°C/second max.

- Temperature (T_L) (Liquidus) 217°C

Reﬂow

time to peak temperature

(t 25ºC to peak)

- Temperature (t_L)

60 – 90 seconds

250^+0/-5°C

Time

Peak Temperature (T_P)

Time within 5°C of actual peak

Temperature (t_p)

20 – 40 seconds

Ramp-down Rate

5°C/second max.

8 minutes max.

260°C

Time 25°C to peak Temperature (T_P)

Do not exceed

260°CꢀPeakꢀ

Temperature,

10 seconds max.

Wave Soldering Parameters

451/453 Series

Speciﬁcations are subject to change without notice.

Please refer to www.littelfuse.com/series/451.html

or /453.html for current information.

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