3SM6(2007) データシートの表示（PDF） - Semtech Corporation

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3SM6
(Rev.:2007)

Axial Leaded Hermetically Sealed Standard Recovery Rectifier Diode

Semtech Corporation 

1N5550 THRU 1N5554

3SM2 THRU 3SM0

POWER DISCRETES

Electrical Specifications

Symbol 1N5550 1N5551 1N5552 1N5553

3SM2 3SM4 3SM6 3SM8

Average Forward Current (sine wave)

- max. TA = 55°C

IF(AV)

3.0

- max. L = 3/8"; TL = 55°C

IF(AV)

5.0

I2t for fusing (t = 8.3mS) max

I2t

42

Forward Voltage Drop max.

@ IF = 3.0A, Tj = 25°C

VF

1.0

Reverse Current max.

@ VRWM, Tj = 25°C

IR

1.0

@ VRWM, Tj = 125°C

IR

60

Reverse Recovery Time max.

0.5A IF to 1.0A IRM recovers to 0.25A IRM(REC)

trr

2.0

Junction Capacitance typ.

@ VR = 5V, f = 1MHz

Cj

92

Thermal Characteristics

Symbol

1N5550 1N5551 1N5552 1N5553

3SM2 3SM4 3SM6 3SM8

Thermal Resistance-Junction to Lead

Lead length = 0.375"

Lead length = 0.0"

R

Rθ

θ

JL

JL

22

4

Thermal Resistance-Junction to

Ambient on 0.06" thick pcb. 1 oz.

copper

R

θ

JA

47

1N5554

3SM0

1N5554

3SM0

Units

A

A2S

V

µA

µS

pF

Units

°C/W

°C/W

Typical Characteristics

 2007 Semtech Corp.

Fig 1. Typical junction capacitance as a function of reverse voltage.

2

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