LESHAN RADIO COMPANY, LTD.
BAW56WT1–1/2
DEVICE MARKING
BAW56WT1 = A1
MAXIMUM RATINGS (TA = 25°C)
Rating Symbol Max Unit
Reverse V oltag VR70 Vdc
Forward Current IF200 mAdc
Peak Forward Surge Current IFM(surge)
500 mAdc
THERMAL CHARACTERISTICS
Characteristic Symbol Max Unit
Total Device Dissipation FR–5 Board(1) PD200 mW
TA = 25°C
Derate above 25°C 1.6 mW/°C
Thermal Resistance, Junction to Ambient RθJA 0.625 °C/W
Total Device Dissipation PD300 mW
Alumina Substrate(2) TA = 25°C
Derate above 25°C 2.4 mW/°C
Thermal Resistance, Junction to Ambient RθJA 417 °C/W
Junction and Storage Temperature TJ, Tstg –55 to +150 °C
ELECTRICAL CHARACTERISTICS (TA = 25°C unless otherwise noted)
Characteristic Symbol Min Max Unit
OFF CHARACTERISTICS
Reverse Breakdown V oltage V(BR) 70 — Vdc
(I(BR) = 100 µAdc)
Reverse Voltage Leakage Current IRµAdc
(VR = 25 Vdc, TJ = 150°C) — 30
(VR = 70 Vdc) — 2.5
(VR = 70 Vdc, TJ = 150°C) — 50
Diode Capacitance CD— 2.0 pF
(VR = 0, f = 1.0 MHz)
Forward V oltage VFmVdc
(IF = 1.0 mAdc) — 715
(IF = 10 mAdc) — 855
(IF = 60 mAdc) — 1000
(IF = 150 mAdc) — 1250
Reverse Recovery T ime trr — 6.0 ns
(IF = IR = 10 mAdc, RL = 100 Ω, IR(REC) = 1.0 mAdc) (Figure 1)
1. FR–5 = 1.0 × 0.75 × 0.062 in.
2. Alumina = 0.4 × 0.3 × 0.024 in. 99.5% alumina.
Dual Switching Diodes
1
3
2
BAW56WT1
CASE 419–04, STYLE 4
SOT–323 (SC–70)
3
ANODE
CATHODE
1CATHODE
2
LESHAN RADIO COMPANY, LTD.
BAW56WT1–2/2
BAW56WT1
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 R(peak) is equal to 10mA.
Notes: 3. t p » t rr
Figure 1. Recovery Time Equivalent Test Circuit
+10 V 2.0 k
820 Ω
100 µH0.1µF
D.U.T.
0.1 µF
50 Ω OUTPUT
PULSE
GENERATOR
t r
50 Ω INPUT
SAMPLING
OSCILLOSCOPE
t pt
10%
90%
I F
I R
t rr t
i R(REC) = 1.0 mA
OUTPUT PULSE
(I F = I R = 10 mA; MEASURED
at i R(REC) = 1.0 mA)
INPUT SIGNAL
I F
V R
100
10
1.0
0.1
0.2 0.4 0.6 0.8 1.0 1.2 010 20304050
10
1.0
0.1
0.01
0.001
02 4 6 8
1.75
1.5
1.25
1.0
0.75
IF , FORWARD CURRENT (mA)
VF , FORWARD VOLTAGE (VOLTS)
Figure 2. Forward Voltage VR , REVERSE VOLTAGE (VOLTS)
Figure 3. Leakage Current
VR , REVERSE VOLTAGE (VOLTS)
Figure 4. Capacitance
IR , REVERSE CURRENT (µA)
CD DIODE CAPACITANCE (pF)
