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 2 Symbol VR Value 7.0 Unit V CC Max 225 Unit mW 1.8 556 300 mW/°C °C/W mW 2.4 417 –55 to +150 mW/°C °C/W °C 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 1 ANODE 3 CATHODE/ANODE MMBD352LT1 CASE 1 CATHODE 2 ANODE 3 CATHODE/ANODE DEVICE MARKING MMBD352LT1 = M5G; MMBD353LT1 = M4F; MMBD354LT1 = M6H; MMBD355LT1 = MJ1 ELECTRICAL CHARACTERISTICS Characteristic (TA=25°C unless otherwise noted) (EACH DIODE) Symbol Min Max Unit Forward Voltage (I F = 10 mAdc) VF — 0.60 V Reverse Voltage Leakage Current IR OFF CHARACTERISTICS (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. — — 0.25 10 — 1.0 318–08, STYLE 11 SOT– 23 (TO–236AB) MMBD353LT1 CASE 318–08, STYLE 19 SOT– 23 (TO–236AB) ANODE 1 µA 3 CATHODE pF CASE 2 ANODE MMBD354LT1 318–08, STYLE 9 SOT– 23 ANODE 3 (TO–236AB) 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 1.0 C , CAPACITANCE (pF) I F , FORWARD CURRENT (mA) 100 T A = 85°C 10 T A=–40°C 1.0 T A = 25°C 0.9 0.8 0.7 0.6 0.1 0.3 0.4 0.5 0.6 0.7 0.8 0 1.0 2.0 3.0 V F , FORWARD VOLTAGE (VOLTS) V R , REVERSE VOLTAGE (VOLTS) Figure 1. Forward Voltage Figure 2. Capacitance 4.0 MMBD352. 353. 354. 355LT–2/2