DS30195 Rev. 7 - 2
1 of 2
QSBT40
www.diodes.com
QSBT40
QUAD DATA LINE SCHOTTKY BUS TERMINATOR
Features
Case: SOT-363, Molded Plastic
Case material - UL Flammability Rating 94V-0
Moisture sensitivity: Level 1 per J-STD-020A
Terminals: Solderable per MIL-STD-202,
Method 208
Polarity: See Diagram
Weight: 0.006 grams (approx.)
Marking Code: KST (See Page 2)
Mechanical Data
Maximum Ratings
@ T
A
= 25
C unless otherwise specified
Low Forward Voltage Drop
Fast Switching
Very High Density
Ultra-Small Surface Mount Package
PN Junction Guard Ring for Transient and
ESD Protection
Provide transient protection for high-speed data
lines in accordance with:
IEC61000-4-2 (ESD) 15kV (Air), 8kV (Contact)
IEC61000-4-4 (EFT) 80A (tp = 5/50 ns)
IEC61000-4-5 (Lightning) Class 3
Characteristic
Symbol
Value
Unit
Peak Repetitive Reverse Voltage
Working Peak Reverse Voltage
DC Blocking Voltage
V
RRM
V
RWM
V
R
30
V
Forward Continuous Current (Note 1)
I
FM
200
mA
Non-Repetitive Peak Forward Surge Current
@ t < 1.0s
I
FSM
600
mA
Power Dissipation (Note 1)
P
d
200
mW
Thermal Resistance Junction to Ambient Air (Note 1)
R
qJA
625
C/W
Operating Temperature Range
T
j
-55 to +125
C
Storage Temperature Range
T
STG
-65 to +125
C
Notes: 1. Device mounted on FR-4 PCB, 1 inch x 0.85 inch x 0.062 inch; pad layout as shown on Diodes Inc. suggested pad layout
document AP02001, which can be found on our website at http://www.diodes.com/datasheets/ap02001.pdf.
2. Short duration test pulse used to minimize self-heating effect.
3. At V
R
= 0V, DL(X) to V
CC
or GND.
A
M
J
L
D
B C
H
K
G
F
TOP VIEW
Characteristic
Symbol
Min
Typ
Max
Unit
Test Condition
Reverse Breakdown Voltage (Note 2)
V
(BR)R
30
V
I
R
= 100
mA
Forward Voltage (Note 2)
V
F
280
350
450
550
1000
mV
I
F
= 0.1mA, tp < 300S
I
F
= 1.0mA, tp < 300S
I
F
= 10mA, tp < 300S
I
F
= 30mA, tp < 300S
I
F
= 100mA, tp < 300S
Reverse Current (Note 2)
I
R
2
mA
V
R
= 25V
Total Capacitance (Note 3)
C
T
10.0
pF
V
R
= 0, f = 1.0MHz
Reverse Recovery Time
t
rr
5.0
ns
I
F
= I
R
= 10mA,
I
rr
= 0.1 x I
R
, R
L
= 100
W
Electrical Characteristics
@ T
A
= 25
C unless otherwise specified
DL2
DL1
GND
V
CC
DL3
DL4
T
C
U
D
O
R
P
W
E
N
SOT-363
Dim
Min
Max
A
0.10
0.30
B
1.15
1.35
C
2.00
2.20
D
0.65 Nominal
F
0.30
0.40
H
1.80
2.20
J
0.10
K
0.90
1.00
L
0.25
0.40
M
0.10
0.25
a
0
8
All Dimensions in mm
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