MJ16110 MJW16110
+15
1 µF
Drive Circuit
150 Ω 100 Ω
100 µF
MTP8P10
+10
50 Ω
MPF930
MPF930
MUR105
500 µF
150 Ω
MJE210
Table 1. Inductive Load Switching
MTP8P10
RB1
A
RB2
MTP12N10
1 µF
VCEO(sus)
L = 10 mH
RB2 = ∞
VCC = 20 Volts
IC(pk) = 20 mA
Inductive Switching
L = 200 µH
RB2 = 0
VCC = 20 Volts
RB1 selected for desired IB1
RBSOA
L = 200 µH
RB2 = 0
VCC = 20 Volts
RB1 selected for desired IB1
IC
VCE(pk)
VCE
IB
*IC
Voff
*Tektronix AM503
Scope — Tektronix
*P6302 or Equivalent 7403 or Equivalent
[ Lcoil (ICpk)
t1
VCC
T1
T1 adjusted to obtain IC(pk)
0V
Note: Adjust Voff to obtain desired VBE(off) at Point A.
A
+V
–V
T.U.T.
*IB
IC(pk)
IB1
IB2
L
1N4246GP
Vclamp
VCC
H.P. 214
OR
EQUIV.
P.G.
td and tr
*IC
*IB
RB = 8.5 Ω
50
T.U.T.
RL
VCC
Vin
0V
≈ 11 V
tr ≤ 15 ns
*Tektronix AM503
*P6302 or Equivalent
VCC
RL
IC
IB
250 Vdc
25 Ω
10 A
1A
Table 2. Resistive Load Switching
+15
ts and tf 1 µF
150 Ω 100 Ω
100 µF
MTP8P10
V(off) adjusted
to give specified
off drive
VCC
IC
IB1
IB2
RB1
RB2
RL
250 V
10 A
1.0 A
Per Spec
15 Ω
Per Spec
25 Ω
+10 V
50 Ω
MPF930
MPF930
MUR105
500 µF
Voff
150 Ω
A
MJE210
*IB
1 µF
T.U.T.
MTP8P10
RB1
A
RB2
MTP12N10
*IC
RL
VCC
VCE(dsat) = DYNAMIC SATURATION VOLTAGE AND IS
VCE
MEASURED FROM THE 90% POINT OF IB1 (t = 0)
TO A MEASUREMENT POINT ON THE
TIME AXIS (t1, t2 or t3 etc.)
90% IB1
0 IB1
0 t1 t2 t3 t4 t5 t6 t7 t8
t, TIME
Figure 11. Definition of Dynamic Saturation
Measurement
16
14
IC = 10 A
t = 1 µs
12
10
t = 2 µs
8
6
4
2
MAXIMUM
TYPICAL
0
0.5
1
1.5
2
2.5
IB, BASE CURRENT (AMPS)
Figure 12. Dynamic Saturation Voltage
Motorola Bipolar Power Transistor Device Data
5