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MBS4992 Datasheet

Silicon Bidirectional Switches(Diode Thyristors)


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MOTOROLA
SEMICONDUCTOR TECHNICAL DATA
Silicon Bidirectional Switches
Diode Thyristors
. . . designed for full-wave triggering in Triac phase control circuits, half-wave SCR
triggering application and as voltage level detectors. Supplied in an inexpensive
plastic TO-226AA package for high-volume requirements, this low-cost plastic
package is readily adaptable for use in automatic insertion equipment.
Low Switching Voltage — 8 Volts Typical
Uniform Characteristics in Each Direction
Low On-State Voltage — 1.7 Volts Maximum
Low Off-State Current — 0.1 µA Maximum
Low Temperature Coefficient — 0.02 %/°C Typical
Order this document
by MBS4991/D
MBS4991
MBS4992
MBS4993
SBS
(PLASTIC)
MT2 MT1
G
MAXIMUM RATINGS (TJ = 25°C unless otherwise noted.)
Rating
Power Dissipation
DC Forward Current
DC Gate Current (Off-State Only)
Repetitive Peak Forward Current
(1% Duty Cycle, 10 µs Pulse Width, TA = 100°C)
Non-repetitive Forward Current
(10 µs Pulse Width, TA = 25°C)
Operating Junction Temperature Range
Storage Temperature Range
MT1
G
MT2
CASE 29-04
(TO-226AA)
STYLE 12
Symbol
PD
IF
IG(off)
IFM(rep)
IFM(nonrep)
TJ
Tstg
Value
500
200
5
2
6
–55 to +125
–65 to +150
Unit
mW
mA
mA
Amps
Amps
°C
°C
REV 2
Motorola Thyristor Device Data
© Motorola, Inc. 1995
1
Page 1

MBS4991 MBS4992 MBS4993
ELECTRICAL CHARACTERISTICS (TA = 25°C unless otherwise noted.)
Characteristic
Switching Voltage
MBS4991
MBS4992, MBS4993
Switching Current
MBS4991
MBS4992
MBS4993
Switching Voltage Differential (See Figure 10)
MBS4991
MBS4992, MBS4993
Gate Trigger Current
(VF = 5 Vdc, RL = 1 k ohm)
Holding Current
MBS4992
MBS4993
MBS4991
MBS4992
MBS4993
Off-State Blocking Current
(VF = 5 Vdc, TA = 25°C)
(VF = 5 Vdc, TA = 85°C)
(VF = 5 Vdc, TA = 25°C)
(VF = 5 Vdc, TA = 100°C)
MBS4991
MBS4991
MBS4992, MBS4993
MBS4992, MBS4993
Forward On-State Voltage
(IF = 175 mAdc)
(IF = 200 mAdc)
MBS4991
MBS4992, MBS4993
Peak Output Voltage (Cc = 0.1 µF, RL = 20 ohms, (Figure 7)
Turn-On Time (Figure 8)
Turn-Off Time (Figure 9)
Temperature Coefficient of Switching Voltage (–50 to +125°C)
Switching Current Differential (See Figure 10)
Symbol
VS
IS
ȧVS1–VS2ȧ
IGF
IH
IB
VF
Vo
ton
toff
TC
IS1–IS2
Min Typ Max Unit
6 8 10 Vdc
7.5 8
9
— 175 500 µAdc
— 90 120
175 250
— 0.3 0.5 Vdc
— 0.1 0.2
— — 100 µAdc
— — 500
— 0.7 1.5 mAdc
— 0.2 0.5
— 0.3 0.75
µAdc
— 0.08
1
— 2 10
— 0.08 0.1
— 6 10
Vdc
— 1.4 1.7
— 1.5 1.7
3.5 4.8 — Vdc
— 1 — µs
— 30 — µs
+0.02
%/°C
— — 100 µA
TYPICAL ELECTRICAL CHARACTERISTICS
FIGURE 1 – SWITCHING VOLTAGE versus TEMPERATURE
1.04
1.03
1.02
1.01
1.00
0.99
0.98
0.97
0.96
–75 –50 –25
0 +25 +50 +75 +100 +125
TA, AMBIENT TEMPERATURE (°C)
FIGURE 2 – SWITCHING CURRENT versus TEMPERATURE
8.0
7.0
6.0
5.0
4.0
3.0
2.0
1.0
0
–75 –50 –25
0 +25 +50 +75 +100 +125
TA, AMBIENT TEMPERATURE (°C)
2 Motorola Thyristor Device Data
Page 2

FIGURE 3 – HOLDING CURRENT versus TEMPERATURE
8.0
7.0
Normalized
6.0 to
25°C
5.0
4.0
3.0
2.0
1.0
0
–75 –50 –25
0 +25 +50 +75 +100 +125
TA, AMBIENT TEMPERATURE (°C)
MBS4991 MBS4992 MBS4993
FIGURE 4 – OFF-STATE BLOCKING CURRENT
versus TEMPERATURE
10.0
VF = 5.0 V
1.0
0.1
0.01
–50 –25 0 +25 +50 +75 +100 +125
TA, AMBIENT TEMPERATURE (°C)
FIGURE 5 – ON-STATE VOLTAGE versus FORWARD CURRENT FIGURE 6 – PEAK OUTPUT VOLTAGE (FUNCTION OF RL AND Cc)
10 7.0
6.0
1.0
0.1
0.01
0
1.0 2.0 3.0 4.0
VF, FORWARD ON-STATE VOLTAGE (VOLTS)
5.0
5.0
4.0
3.0
2.0
1.0
0
0.01 0.02
RL = 500
RL = 100
RL = 50
RL = 20
RL = 5
TA = 25°C
0.05 0.1 0.2 0.5 1.0 2.0
Cc, CHARGING CAPACITANCE (µF)
5.0
10
FIGURE 7 – PEAK OUTPUT VOLTAGE TEST CIRCUIT
10 K Cc
15 V
10 ms
MIN
Vin
D.U.T.
RL 0
V0
Motorola Thyristor Device Data
3
Page 3

MBS4991 MBS4992 MBS4993
FIGURE 8 – TURN-ON TIME TEST CIRCUIT
Mercury Relay
+
12 V
1.0 k
1.0 k
0.01 µF
Anode
Voltage
D.U.T.
VS
+
ton VF
VF + 0.1 (VS–VF)
Turn-on time is measured from the time VS is achieved to the time when the anode voltage drops to within 90% of the difference between VS
and VF.
FIGURE 9 – TURN-OFF TIME TEST CIRCUIT
+I
VF1
+
5.0 V
100
C
Mercury
Relay
(N.O.)
500
MT2
D.U.T.
MT1
IS1
–V
IH1
IS1
VS1
IS2 IB1
VS2 IH2
+V
VF2
–I
CHARACTERISTICS
With the SBS in conduction and the relay contacts open, close the contacts to cause anode A2 to be driven negative. Decrease C until the SBS just
remains off when anode A2 becomes positive. The turn off time, toff, is the time from initial contact closure and until anode A2 voltage reaches
zero volts.
FIGURE 10 – DEVICE EQUIVALENT CIRCUIT, CHARACTERISTICS AND SYMBOLS
MT2
+I
VF1
MT2
GG
MT1
CIRCUIT SYMBOL
4
MT1
EQUIVALENT CIRCUIT
IH1
IS1 IS1
–V
VS1
IS2 IB1
VS2 IH2
+V
VF2
–I
CHARACTERISTICS
Motorola Thyristor Device Data
Page 4
Part Number MBS4992
Manufactur Motorola
Description Silicon Bidirectional Switches(Diode Thyristors)
Total Page 6 Pages
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