RM20 datasheet(2/2 Pages) MITSUBISHI

2 / 2 page

Sep.1998

Absolute Maximum Ratings, Tj = 25 °C unless otherwise specified

Ratings

Symbol

RM20TN-H

Units

Repetitive Peak Reverse Voltage

VRRM

800

Volts

Non-Repetitive Peak Reverse Voltage

VRSM

840

Volts

Recommended AC Input Voltage

220

Volts

DC Output Current (Tb = 100°C)

Amperes

Surge (Non-Repetitive) Forward Current (One Half Cycle at 60Hz, Peak Value)

IFSM

255

Amperes

I2t for Fusing (Value for One Cycle of Surge Current)

I2t

270

A2sec

Junction Temperature

-40 ~ +125

°C

Storage Temperature

Tstg

-40 ~ +125

°C

Operating Frequency

1000

Maximum Mounting Torque M3.5 Mounting Screw

–

0.78 ~ 0.98

N · m

Maximum Mounting Torque M3.5 Terminal Screw

–

0.78 ~ 0.98

N · m

Isolation Voltage (Main Terminal to Baseplate, AC 1 min.)

Viso

2500

Vrms

Electrical and Thermal Characteristics, Tj = 25 °C unless otherwise specified

Characteristics

Symbol

Test Conditions

Min.

Typ.

Max.

Units

Repetitive Reverse Current

IRRM

Tj = 125°C, VRRM = Rated

–

8.0

Forward Voltage Drop

VFM

Tj = 25°C, IFM = 20A,

–

1.5

Volts

Instantaneous Meaurement

Thermal Resistance

Rth(j-b)

Junction to Base Plate

–

2.0

°C/ W

Thermal Resistance

Rth(b-f)

Base to Fin, Thermal Grease Applied

–

0.3

°C/W

Isolation Resistance

At 500V DC

–

Ω

Between Terminal and Base Plate

RM20TN-H

DC OUTPUT CURRENT, I

o, (AMPERES)

ALLOWABLE DC OUTPUT CURRENT

VS. BASE PLATE TEMPERATURE

120

100

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