102. (IIHFWV RI $QRGH LUFXLW XSRQ *DWH LUFXLW
6PDOO 65V LQ SDUWLFXODU UHDGLO UHIOHFW WKHVH WUDQVLWLRQV /RZHU YDOXHV RI LQWHUQDO VKXQW UHVLVWDQFH 5 $
VRPHZKDW PDVN WKH HIIHFWV RQ ODUJHU 65V 7KH QHJDWLYH WUDQVLHQW DW WKH JDWH FDQ FDXVH PDO IXQFWLRQ RU
GDPDJH LQ WKH H[WHUQDO JDWH FLUFXLW
16
MIN GATE CURRENT REQUIRED
TRIGGER ALL UNITS AT:
+ 25˚C -65˚C
INSTANTANEOUS GATE VOLTAGE — VOLTS
14 (3) - 65˚C
MIN GATE VOLTAGE
REQUIRED TO
TRIGGER ALL UNITS
12 (2)
Instantaneous Gate Voltage — Volts
(C)
10 (1)
MAX GATE VOLTAGE
THAT WILL NOT
TRIGGER ANY UNITS
AT 125˚C = 0.25 V
8 (0)
(0) (50) (100)
(A) (D) INSTANTANEOUS GATE CURRENT — mA
NOTES:
6 MAX ALLOWABLE (1) CASE TEMPERATURE =
INSTANTANEOUS -65˚C TO +125˚C.
GATE POWER (2) SHADED AREAS REPRESENT
DISSIPATION = LOCUS OF POSSIBLE
5.0 WATTS TRIGGERING POINTS FROM
-65˚C TO +125˚C.
4
PREFERRED GATE
DRIVE AREA
2
(B)
0 0.4 0.8 1.2 1.6 2.0 2.4
Instantaneous Gate Current — Amperes
)LJXUH ' *DWH 7ULJJHULQJ KDUDFWHULVWLFV IRU 1 65
103. 7KH ' JDWH WULJJHU FKDUDFWHULVWLFV RI DQ 65 DUH VLPLODU WR WKH JUDSK LQ )LJXUH ZKLFK DSSOLHV WR WKH
1 65 7KH JUDSK VKRZV JDWHWRFDWKRGH YROWDJH DV D IXQFWLRQ RI SRVLWLYH JDWH FXUUHQW IORZ IURP
JDWH WR FDWKRGH
131. 7ULJJHULQJ DQG *DWH KDUDFWHULVWLFV RI 7KULVWRUV
44
NOTES:
40
(1) REQUIREMENTS SHOWN HEREON MUST
BE MET WHEN ANODE CURRENT RATE
OF RISE 10 AMPERES PER MICROSECOND.
(2) SHADED AREA SHOWS LOCUS OF
36 PERMISSIBLE GATE SOURCE LOAD LINES.
(3) MINIMUM PERMISSIBLE GATE DRIVE =
20 VOLTS OPEN CIRCUIT, 20 OHMS. LOWER
GATE DRIVE MAY CAUSE DEVICE FAILURE.
32 (4) MINIMUM PERMISSIBLE GATE PULSE
WIDTH = 1.5 SEC, MAXIMUM GATE PULSE
RISE TIME = 0.1 SEC.
(5) CASE TEMPERATURE = +25˚C to +120˚C.
28 (6) CURVES SHOW MAXIMUM ALLOWABLE
PEAK GATE POWER DISSIPATION VS.
Instantaneous Gate Voltage — Volts
PULSE WIDTH.
(7) MAXIMUM ALLOWABLE AVERAGE GATE
24 POWER DISSIPATION = 1.0 WATT.
20
40
W
AT
TS
,tp
=
16
10
0
SE
C
M
AX
20 V
tp
20 0
=
12
50
, 20
W SE
AT C
TS M
OHM
tp
10 0 m
=
A
5
LOA
W SE
X
AT C
TS MA
8
D LIN
X
E
4
0
0 0.8 1.6 2.4 3.2 4.0 4.8 5.6 6.4
Instantaneous Gate Current — Amperes
)LJXUH *D WH 7ULJJHU 5HTXLUHPHQWV IRU +LJK )UH TXHQF DQG +LJK GLGW 2SHUDWLRQ
7KULVWRU 'HVLJQ *XLGH 7HFFRU (OHFWURQLFV ,QF
158. 6LPSOH 5HVLVWRU DQG 5 7ULJJHU LUFXLWV
50
Percent Power to Load
40
SCR FULL ON
30
SCR HALF ON
20
SCR OFF
10
0
0 20 40 60 80 100
R1 Potentiometer Setting in Percent
)LJXUH 6LPSOH +DOIZDYH 9DULDEOH 5HVLVWRU 3KDVH R QWUR O /LPLWHG 5DQJH RI RQWURO