Dimension Inches Millimeters

A 4.25 108.0B 2.44 62.0C 1.38 +0.04/-0.02 35.0 +1.0/-0.5D 3.660.01 93.00.25E 1.880.01 48.00.25F 0.28 7.0G 1.14 29.0H 1.83 46.5J 0.29 7.5K 0.28 7.0L 0.63 16.0M 1.61 41.0N 0.26 6.5P M6 M6

Description:Powerex Super-Fast RecoverySingle Diode Modules are designedfor use in applications requiring fastswitching. The modules are isolatedfor easy mounting with other components on common heatsinks.

Features:

Isolated Mounting

Planar Chips

Applications:

Inverters

Choppers

Switching Power Supplies

Free Wheeling

Ordering Information:Select the complete ten digit module part number you desirefrom the table below.Example: RM400HA-34S is a 1700 Volt, 400 Ampere, Super FastRecovery Single Diode Module.

Current Rating VoltageType Amperes Volts (x50)

RM 400 34

1

Powerex, Inc., 200 E. Hillis Street, Youngwood, Pennsylvania 15697-1800 (724) 925-7272 Super Fast RecoverySingle Diode Module400 Amperes/1700 Volts

RM400HA-34S

Outline Drawing and Circuit Diagram

A

J DL L

K

E

E

BX

CBE

N - (4 TYP.)

B

G

CM

F

A(E)

K(C)

H

P - (2 TYP.)

2Powerex, Inc., 200 E. Hillis Street, Youngwood, Pennsylvania 15697-1800 (724) 925-7272

RM400HA-34SSuper Fast Recovery Single Diode Module400 Amperes/1700 Volts

Absolute Maximum RatingsCharacteristics Symbol RM400HA-34S Units

Peak Reverse Blocking Voltage VRRM 1700 VoltsTransient Peak Reverse Blocking Voltage (Non-Repetitive), t < 5ms VRSM 1700 VoltsDC Reverse Blocking Voltage VR(DC) 1360 VoltsDC Current, TC = 90C IF(DC) 400 AmperesPeak Half-Cycle Surge (Non-Repetitive) On-State Current (60Hz) IFSM 8000 AmperesI2t (for Fusing), 8.3 milliseconds I2t 2.6 x 105 A2secJunction Temperature Tj -40 to 150 CStorage Temperature TSTG -40 to 125 CMaximum Mounting Torque M6 Mounting Screw 30 kg.-cm.Maximum Mounting Torque M6 Terminal Screw 30 kg.-cm.Module Weight (Typical) 450 GramsV Isolation VRMS 3000 Volts

3Powerex, Inc., 200 E. Hillis Street, Youngwood, Pennsylvania 15697-1800 (724) 925-7272

RM400HA-34SSuper Fast Recovery Single Diode Module400 Amperes/1700 Volts

Electrical and Thermal Characteristics, Tj = 25C unless otherwise specifiedCharacteristics Symbol Test Conditions RM400HA-34S Units

Blocking State MaximumsReverse Leakage Current, Peak IRRM VGE = 0V, VRRM = Rated 50 mA

Conducting State MaximumsPeak On-State Voltage VFM Tj = 25C, IFM = 400A 2.5 Volts

Switching MinimumsReverse Recovery Time trr IFM = 400A, Tj = 150C 0.5 s

di/dt = -800A/s, VR = 800V Reverse Recovery Charge Qrr IFM = 400A, Tj = 150C 50 C

di/dt = -800A/s, VR = 800V

Thermal MaximumsThermal Resistance, Junction-to-Case R(J-C) Per Module 0.08 C/WattThermal Resistance, Case-to-Sink R(C-S) Per Module 0.04 C/Watt

4Powerex, Inc., 200 E. Hillis Street, Youngwood, Pennsylvania 15697-1800 (724) 925-7272

RM400HA-34SSuper Fast Recovery Single Diode Module400 Amperes/1700 Volts

di/dt, (AMPERES/s)

REVERSE RECOVERY VS di/dtCHARACTERISTICS (TYPICAL)

102 103 104

REV

ERSE

REC

OVE

RY, I

rr, (A

MPER

ES), Q

rr, (C

)

100

102

103

REV

ERSE

REC

OVE

RY T

IMES

, trr

, (s

)

10-1

101

102

101 100

FORWARD VOLTAGE DROP, VF, (VOLTS)

FORW

ARD

CURR

ENT,

I F, (A

MPER

ES)

FORWARD VOLTAGE DROPCHARACTERISTICS (TYPICAL)

2.01.6 3.20.8

102

103

1011.2 2.4 2.8

Tj = 25oC

REVERSE RECOVERY VS FORWARD CURRENTCHARACTERISTICS (TYPICAL)

101 102 104

REV

ERSE

REC

OVE

RY, I

rr, (A

MPER

ES), Q

rr, (C

)

100

102

103

REV

ERSE

REC

OVE

RY T

IMES

, trr

, (s

)

10-1

101

102

trr

VR = 800V -di/dt = 800A/s

101

103

100

Irr

FORWARD CURRENT, IF (AMPERES)

Tj = 25oCTj = 125oC

CYCLES AT 60 HZ

MAX

IMUM

PEA

K SU

RGE

(NON

-REP

ETITI

VE)

CURR

ENT,

I FSM

, (A

MPER

ES)

MAXIMUM ALLOWABLE PEAK SURGE(NON-REPETITIVE) CURRENT

0

2000

4000

6000

8000

10000

100 101 102TIME, t, (SECONDS)

TRANSIENT THERMAL IMPEDANCECHARACTERISTICS (JUNCTION-TO-CASE)

010-3

0.02

0.04

0.06

0.08

0.10

10-2 10-1 100 101

TRAN

SIEN

T TH

ERM

AL IM

PED

ANCE

, Z t

h(J-C

)(t), (o C

/WAT

T)

trr

Irr

Qrr

VR = 800V IF = 400A/s

Tj = 25oCTj = 125oC

Qrr