FEATURES	TYPICAL APPLICATIONS
1). Diffused diode	1). Converters
2). Wide current range	2). Power supplies
3). High voltage ratings up to 1600V	3). Machine tool controls
4). High surge current capabilities	4). High power drives
5). Stud cathode and stud anode version	5). Medium traction applications
MAJOR RATINGS AND CHARACTERISTICS
Parameters 300U(R) Unit IF(AV)   300 A @ TC 145 ℃ IF(RMS)   390 A IFSM @ 50Hz 6550 A @ 60Hz 6850 A I2t @ 50Hz 214 A2s @ 60Hz 195 A2s VRRM typical 1200 and 1600 V TJ typical - 40 to 200 μs
ELECTRICAL SPECIFICATIONS
1). Voltage Ratings

Type number	Voltage Code	VRRM, maximum repetitive peak reverse voltage	VRSM, maximum non- repetitive peak reverse voltage	IRRM max. TJ = 175℃
		V	V	mA
300U(R)	10	50	100	40
	20	100	200	40
	40	200	300	40
	60	300	400	40
	80	400	500	40
	100	600	720	40
	120	800	960	35
	160	1000	1200	30

2). Forward Conduction

Parameters		300U(R)	Unit	Conditions
IF(AV)	Max. average forward current @ Case temperature	300	A	180° conduction, half sine wave
		130	℃
IFSM	Max. peak, one-cycle forward, non-repetitive surge current	6550	A	t = 10ms	No voltage	Sinusoidal half wave,Initial TJ = TJ max.
		6850		t = 8.3ms	reapplied
		5500		t = 10ms	100% VRRM
		5750		t = 8.3ms	reapplied
I2t	Maximum I2t for fusing	214	KA2s	t = 10ms	No voltage
		195		t = 8.3ms	reapplied
		151		t = 10ms	100% VRRM
		138		t = 8.3ms	reapplied
I2√t	Maximum I2√t for fusing	2140	KA2√S	t = 0.1 to 10ms, no voltage reapplied
VF(TO)	Max. value of threshold voltage	0.610	V	TJ = 200℃
rf	Max. value of forward slope resistance	0.751	mΩ
VFM	Max. peak forward voltage	--	V	(IFM x π x IF(AV) (785A peak), TJ = 25℃
		1.40		(IFM x π x IF(AV) (942A peak), TJ = 25℃
TJ	Max. junction operating temperature range	-40 to 200	℃
Tstg	Max. storage temperature range	-40 to 200
RthJC	Max. thermal resistance, junction to case	0.18	K/W	DC operation
RthCS	Max. thermal resistance, case to heatsink	0.08		Mounting surface, smooth, flat and greased
T	Max. allowed mounting torque ±10%	37	Nm	Not lubricated threads
		28		Lubricated threads
wt	Approximate weight	250	g
	Case style	DO-9		See Outline Table

ΔR_thJC Conduction
(The following table shows the increment of thermal resistence R_thJC when devices operate at different conduction angles than DC)

Conduction angle	Sinusoidal conduction	Rectangular conduction	Units	Conditions
180°	0.020	0.015	K/W	TJ = TJ max.
120°	0.024	0.025
90°	0.031	0.034
60°	0.045	0.047
30°	0.077	0.077

 
PERFORMANCE CURVES FIGURE

Fig.1 – CurrentRatings Characteristic	Fig.2 - CurrentRatings Characteristic
Fig.3 – Forward Power Loss Characteristics
Fig.4 – Forward Power Loss Characteristics
Fig.5 –Maximum Non-Repetitive Surge Current	Fig.6 –Maximum Non-Repetitive Surge Current
Fig.7 –  Forward Voltage Drop Characteristics
Fig.8 –Thermal Impedance ZthJC Characteristics

OUTLINE