ꢀꢁ ꢂꢃ ꢄ ꢄ ꢅ ꢆꢇ ꢀ ꢁꢂ ꢃ ꢄ ꢄꢃ ꢆ ꢇ ꢀꢁ ꢂꢃ ꢄ ꢄ ꢈ ꢆꢇ ꢀꢁ ꢂꢃ ꢄ ꢄ ꢉ ꢆꢇ ꢀꢁ ꢊ ꢃ ꢄ ꢄ ꢈꢆ ꢇ ꢀ ꢁꢊ ꢃꢄ ꢄꢉ ꢆ
ꢋꢌ ꢍꢋ ꢎꢏꢐ ꢁꢑꢆꢍ ꢒ ꢋꢌ ꢍꢋ ꢎꢓ ꢀꢔ ꢔ ꢒꢂ ꢑ
ꢕꢆꢔ ꢁꢌ ꢂꢍ ꢑꢐ ꢂ ꢑ ꢔꢆꢂꢖ ꢌꢖꢑꢐꢔ ꢆ ꢔꢔ ꢆꢗ
The ULN2001A is obsolete
and is no longer supplied.
SLRS027G − DECEMBER 1976 − REVISED JUNE 2004
PARAMETER MEASUREMENT INFORMATION
Open
Open
V
CE
V
CE
I
I
CEX
CEX
Open
V
I
Figure 1. I
Test Circuit
Figure 2. I
Test Circuit
CEX
CEX
Open
V
CE
Open
I
I
C
I(off)
I
I(on)
V
I
Open
Figure 3. I
Test Circuit
Figure 4. I Test Circuit
I
I(off)
Open
Open
I
C
h
FE
=
I
I
V
CE
I
I
I
C
V
I(on)
V
CE
I
C
NOTE: I is fixed for measuring V
, variable for
I
CE(sat)
measuring h
.
FE
Figure 5. h , V
Test Circuit
Figure 6. V
Test Circuit
I(on)
FE CE(sat)
V
R
I
R
V
F
I
F
Open
Open
Figure 7. I Test Circuit
Figure 8. V Test Circuit
F
R
7
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