SD-16

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

CM421255, CM421655

SCR/Diode POW-R-BLOK™ Modules

55 Amperes/1200-1600 Volts

MAXIMUM ON-STATE POWER DISSIPATION

(REVERSE PARALLEL CONNECTION)

0

20

100

40

60

80

120 140 160

360

o

RESISTIVE,

INDUCTIVE LOAD

NOTE: THE CURVES INDICATE THE RELATIONSHIP BETWEEN

THE AVERAGE ON-STATE POWER DISSIPATION PER MODULE

AND THE RMS ON-STATE CURRENT.

0

20

40

60

80

100

120

140

160

MAXIMUM ALLOWABLE CASE TEMPERATURE

(SINGLE PHASE BRIDGE CONNECTION)

RESISTIVE,

INDUCTIVE

LOAD

360

o

NOTE: THE CURVES INDICATE THE RELATIONSHIP BETWEEN

THE CASE TEMPERATURE AND THE DC OUTPUT CURRENT

(FOR TWO ELEMENTS) WHEN USED IN THE SINGLE PHASE

BRIDGE CONFIGURATION.

50

70

90

110

130

120

100

80

60

0

40

80

120

160

20

60

100

140

MAXIMUM ON-STATE POWER DISSIPATION

(SINGLE PHASE BRIDGE CONNECTION)

0

0

360

o

RESISTIVE,

INDUCTIVE LOAD

NOTE: THE CURVES INDICATE THE RELATIONSHIP BETWEEN

THE AVERAGE ON-STATE POWER DISSIPATION AND THE DC

OUTPUT CURRENT FOR THE SINGLE PHASE BRIDGE

CONFIGURATION (POWER DISSIPATION EXPRESSED FOR EACH

MODULE AND DC OUTPUT CURRENT EXPRESSED FOR THE PAIR)

20

40

60

80

100

120

140

160

20

40

60

80 100 120 140 160

80

70

60

50

MAXIMUM ALLOWABLE CASE TEMPERATURE

(THREE PHASE BRIDGE CONNECTION)

0

20

100

40

60

80

120 140 160

110

120

130

360

o

NOTE: THE CURVES INDICATE THE RELATIONSHIP BETWEEN

THE CASE TEMPERATURE AND THE DC OUTPUT CURRENT

(FOR THREE MODULES) IN THE THREE PHASE CONFIGURATION.

RESISTIVE,

INDUCTIVE

LOAD

100

90

MAXIMUM ON-STATE POWER DISSIPATION

(THREE PHASE BRIDGE CONNECTION)

0

20

100

40

60

80

120 140 160

NOTE: THE CURVES INDICATE THE RELATIONSHIP BETWEEN

THE ON-STATE POWER DISSIPATION (PER MODULE) AND THE

DC OUTPUT CURRENT (FOR THREE MODULES) IN THE THREE

PHASE BRIDGE CONFIGURATION.

360

o

RESISTIVE, INDUCTIVE LOAD

PER SINGLE ELEMENT

0

20

40

60

80

100

120

140

160