LRC BAW56WT1 Datasheet
Dual Switching Diodes
DEVICE MARKING
BAW56WT1 = A1
LESHAN RADIO COMPANY, LTD.
BAW56WT1
3
1
2
CASE 419–04, STYLE 4
SOT–323 (SC–70)
MAXIMUM RATINGS (T
= 25°C)
A
Rating Symbol Max Unit
Reverse Voltag V
Forward Current I
Peak Forward Surge Current I
FM(surge)
R
F
70 Vdc
200 mAdc
500 mAdc
THERMAL CHARACTERISTICS
Characteristic Symbol Max Unit
Total Device Dissipation FR–5 Board
TA = 25°C
Derate above 25°C 1.6 mW/°C
Thermal Resistance, Junction to Ambient R
T otal Device Dissipation P
Alumina Substrate
(2)
TA = 25°C
Derate above 25°C 2.4 mW/°C
Thermal Resistance, Junction to Ambient R
Junction and Storage Temperature TJ, T
(1)
P
D
θJA
D
θJA
stg
200 mW
0.625 °C/W
300 mW
417 °C/W
–55 to +150 °C
ELECTRICAL CHARACTERISTICS (TA = 25°C unless otherwise noted)
Characteristic Symbol Min Max Unit
OFF CHARACTERISTICS
Reverse Breakdown Voltage V
(I
= 100 µAdc)
(BR)
Reverse V oltage Leakage Current I
(BR)
R
(VR = 25 Vdc, TJ = 150°C) — 30
(VR = 70 Vdc) — 2.5
(VR = 70 Vdc, TJ = 150°C) — 50
Diode Capacitance C
D
(VR = 0, f = 1.0 MHz)
Forward Voltage V
F
(IF = 1.0 mAdc) — 715
(IF = 10 mAdc) — 855
(IF = 60 mAdc) — 1000
(IF = 150 mAdc) — 1250
Reverse Recovery Time t
(IF = IR = 10 mAdc, RL = 100 Ω, I
= 1.0 mAdc) (Figure 1)
R(REC)
rr
1. FR–5 = 1.0 × 0.75 × 0.062 in.
2. Alumina = 0.4 × 0.3 × 0.024 in. 99.5% alumina.
70 — Vdc
— 2.0 pF
— 6.0 ns
CATHODE
1
CATHODE
2
3
ANODE
µAdc
mVdc
BAW56WT1–1/2
+10 V
820 Ω
2.0 k
100 µH
LESHAN RADIO COMPANY, LTD.
BAW56WT1
I
t
t
I
F
0.1µF
r
10%
t
p
F
t
rr
t
50 Ω OUTPUT
PULSE
GENERATOR
0.1 µF
D.U.T.
50 Ω INPUT
OSCILLOSCOPE
Notes: 1. A 2.0 kΩ variable resistor adjusted for a Forward Current (I F ) of 10mA.
Notes: 2. Input pulse is adjusted so I
Notes: 3. t p » t
rr
Figure 1. Recovery Time Equivalent Test Circuit
100
10
1.0
, FORWARD CURRENT (mA)
F
I
0.1
0.2 0.4 0.6 0.8 1.0 1.2
VF , FORWARD VOLTAGE (VOLTS)
Figure 2. Forward V oltage
SAMPLING
INPUT SIGNAL
V
R
is equal to 10mA.
R(peak)
10
1.0
0.1
0.01
, REVERSE CURRENT (µA)
R
I
0.001
90%
I
R
010 20304050
VR , REVERSE VOLTAGE (VOLTS)
(I F = I R = 10 mA; MEASURED
i
R(REC)
OUTPUT PULSE
at i
= 1.0 mA)
R(REC)
= 1.0 mA
Figure 3. Leakage Current
1.75
1.5
1.25
1.0
DIODE CAP ACITANCE (pF)
D
C
0.75
02 4 6 8
VR , REVERSE VOLTAGE (VOLTS)
Figure 4. Capacitance
BAW56WT1–2/2
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