FIGURE 1: Functional Test Circuit FIGURE 2: Functional Test Waveforms
FIGURE 3: Switching Time Test Circuit FIGURE 4: Sustaining Voltage Test Circuit
BU941 / BU941P / BUB941PFI
4/8
DIM.
mm inch
MIN. TYP. MAX. MIN. TYP. MAX.
A 11.00 13.10 0.433 0.516
B 0.97 1.15 0.038 0.045
C 1.50 1.65 0.059 0.065
D 8.32 8.92 0.327 0.351
E 19.00 20.00 0.748 0.787
G 10.70 11.10 0.421 0.437
N 16.50 17.20 0.649 0.677
P 25.00 26.00 0.984 1.023
R 4.00 4.09 0.157 0.161
U 38.50 39.30 1.515 1.547
V 30.00 30.30 1.187 1.193
E
B
R
C
D
A
P
G
N
V
U
O
P003F
TO-3 MECHANICAL DATA
BU941 / BU941P / BUB941PFI
5/8
DIM.
mm inch
MIN. TYP. MAX. MIN. TYP. MAX.
A 4.7 4.9 0.185 0.193
C 1.17 1.37 0.046 0.054
D2.5 0.098
E 0.5 0.78 0.019 0.030
F 1.1 1.3 0.043 0.051
G 10.8 11.1 0.425 0.437
H 14.7 15.2 0.578 0.598
L2 16.2 – 0.637
L3 18 0.708
L5 3.95 4.15 0.155 0.163
L6 31 1.220
R 12.2 0.480
Ø 4 4.1 0.157 0.161
R
A
C
D
E
H
F
G
L6
¯
L3
L2
L5
1
2 3
TO-218 (SOT-93) MECHANICAL DATA
P025A
BU941 / BU941P / BUB941PFI
6/8

BU941

Mfr. #:
Manufacturer:
STMicroelectronics
Description:
Darlington Transistors NPN Power Darlington
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
T/T Paypal Visa MoneyGram Western Union

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