LESHAN RADIO COMPANY, LTD.
Dual Hot Carrier Mixer Diodes
These devices are designed primarily for UHF mixer applications but are suitable also for use in detector and ultra–fast switching circuits. • Very Low Capacitance — Less Than 1.0 pF @ Zero Volts • Low Forward Voltage — 0.5 Volts (Typ) @ I F = 10 mA
MMBD352LT1 MMBD353LT1 MMBD354LT1 MMBD355LT1
3
1
MAXIMUM RATINGS ( EACH DIODE)
Rating Continuous Reverse Voltage Symbol VR Value 7.0 Max 225 1.8 556 300 2.4 417 –55 to +150 Unit V CC Unit mW mW/°C °C/W mW mW/°C °C/W °C 1 ANODE
2
THERMAL CHARACTERISTICS
Characteristic Symbol Total Device Dissipation FR– 5 Board (1) PD T A = 25°C Derate above 25°C Thermal Resistance, Junction to Ambient RθJA Total Device Dissipation PD Alumina Substrate (2) T A = 25°C Derate above 25°C Thermal Resistance, Junction to Ambient RθJA Junction and Storage Temperature T J ,T stg
2 CATHODE 3 CATHODE/ANODE
MMBD352LT1
CASE 318–08, STYLE 11 SOT– 23 (TO–236AB)
1 CATHODE 3 CATHODE/ANODE
2 ANODE
DEVICE MARKING
MMBD352LT1 = M5G; MMBD353LT1 = M4F; MMBD354LT1 = M6H; MMBD355LT1 = MJ1
ELECTRICAL CHARACTERISTICS
C haracteristic
( TA=25°C unless otherwise noted) (EACH DIODE)
MMBD353LT1
CASE 318–08, STYLE 19 SOT– 23 (TO–236AB)
Symbol
Min
Max
Unit
OFF CHARACTERISTICS
Forward Voltage (I F = 10 mAdc) Reverse Voltage Leakage Current VF IR — — — 0.25 10 1.0 pF — 0.60 V
ANODE 1 3 CATHODE 2 ANODE
µA
(V R = 3.0 V) (V R = 7.0 V) Capacitance C (V R = 0 V, f = 1.0 MHz) 1. FR–5 = 1.0 x 0.75 x 0.062 in. 2. Alumina = 0.4 x 0.3 x 0.024 in. 99.5% alumina.
MMBD354LT1
CASE 318–08, STYLE 9 (TO–236AB) SOT– 23
ANODE 3
CATHODE 1 2 CATHODE
MMBD355LT1
CASE 318–08, STYLE 12 SOT– 23 (TO–236AB)
MMBD352. 353. 354. 355LT –1/2
LESHAN RADIO COMPANY, LTD.
MMBD352LT1 MMBD353LT1 MMBD354LT1 MMBD355LT1
TYPICAL CHARACTERISTICS
100
1.0
I F , FORWARD CURRENT (mA)
T A = 85°C
10
C , CAPACITANCE (pF)
0.7 0.8
0.9
T A=–40°C
0.8
1.0
T A = 25°C
0.7
0.1 0.3 0.4 0.5 0.6
0.6 0 1.0 2.0 3.0 4.0
V F , FORWARD VOLTAGE (VOLTS)
V R , REVERSE VOLTAGE (VOLTS)
Figure 1. Forward Voltage
Figure 2. Capacitance
MMBD352. 353. 354. 355LT–2/2
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