LESHAN RADIO COMPANY, LTD. Silicon Hot–Carrier Diodes Schottky Barrier Diodes LMBD301LT1 3 These devices are designed primarily for high–efficiency UHF and VHF detector applications.They are readily adaptable to many other fast switching RF and digital applications.They are supplied in an inexpensive plastic package for low–cost, high–volume consumer and industrial/commercial requirements.They are also available in a Surface Mount package. 1 2 SOT–23 • EXtremely Low Minority Carrier Lifetime –15ps(Typ) • Very Low Capacitance –1.5pF(Max)@VR=15V • Low Reverse Leakage –IR=13 nAdc(Typ) LMBD301 1 ANODE 3 CATHODE MAXIMUM RATINGS(TJ=125°C unless otherwise noted) LBD301 LMBD301LT1 Rating symbol value unit Reverse Voltage VR 30 Volts Forward Power Dissipation PF @TA=25 °C 280 200 mW Derate above 25 °C 2.8 2.0 mW/ °C Operating Junction TJ °C Temperature Range –55 to +125 Storage Temperature Range T stg –55 to +150 °C DEVICE MARKING LMBD301LT1=4T ELECTRICAL CHARACTERISTICS(T A=25 °C unless otherwise noted) Characteristic Symbol Min Typ Reverse Breakdown Voltage(IR=10µA) Max Unit — Volts V (BR)R 30 — Total Capacitance(VR=15V,f=1.0MHz,)Figure1 CT — 0.9 1.5 pF Reverse Leakage(VR=25V)Figure3 IR — 13 200 n Adc Forward Voltage(IF=1.0mAdc)Figure4 Forward Voltage(IF=10mAdc)Figure4 V V — — 0.38 0.52 0.45 0.6 Vdc Vdc F F NOTE:LMBD301LT1 is also available in bulk packaging.Use LMBD301L as the device title to order this device in bulk. LMBD301LT1–1/3 LESHAN RADIO COMPANY, LTD. LMBD301LT1 C T , TOTAL CAPACITANCE (pF) 2.8 f =1.0MHz 2.4 2.0 1.6 1.2 0.8 0.4 0 0 3.0 6.0 9.0 12 15 18 21 24 27 30 τ , MINORITY CARRIER LIFETIME (ps) TYPICAL ELECTRICAL CHARACTERISTICS 400 KRAKAUER METHOD 300 200 100 0 0 10 20 30 40 50 60 70 80 90 V R , REVERSE VOLTAGE (VOLTS) I F , FORWARD CURRENT (mA) Figure 1. Total Capacitance Figure 2. Minority Carrier Lifetime 10 100 100 I F , FORWARD CURRENT (mA) I R, REVERSE LEAKAGE ( µA) 500 T A = 100°C 1.0 75°C 0.1 25°C 0.01 0.001 0 6.0 12 18 24 30 10 T A = 85°C T A= –40°C 1.0 T A = 25°C 0.1 0.2 0.4 0.6 0.8 1.0 V R , REVERSE VOLTAGE (VOLTS) V F , FORWARD VOLTAGE (VOLTS) Figure 3. Reverse Leakage Figure 4. Forward Voltage I F(PEAK) 1.2 CAPACITIVE CONDUCTION I R(PEAK) FORWARD CONDUCTION SINUSOIDAL GENERATOR BALLAST NETWORK (PADS) STORAGE CONDUCTION PADS SAMPLING OSCILLOSCOPE DUT (50 Ω INPUT) Figure 5. Krakauer Method of Measuring Lifetime LMBD301LT1–2/3 LESHAN RADIO COMPANY, LTD. LMBD301LT1 SOT-23 NOTES: A 1. DIMENSIONING AND TOLERANCING PER ANSI Y14.5M, 1982. 2. CONTROLLING DIMENSION: INCH. L 3 1 V 2 B S DIM G A B C D G H J K L S V C D H K J INCHES MIN MAX 0.1102 0.1197 0.0472 0.0551 0.0350 0.0440 0.0150 0.0200 0.0701 0.0807 0.0005 0.0040 0.0034 0.0070 0.0140 0.0285 0.0350 0.0401 0.0830 0.1039 0.0177 0.0236 MILLIMETERS MIN MAX 2.80 3.04 1.20 1.40 0.89 1.11 0.37 0.50 1.78 2.04 0.013 0.100 0.085 0.177 0.35 0.69 0.89 1.02 2.10 2.64 0.45 0.60 PIN 1. ANODE 2. NO CONNECTION 3. CATHODE 0.037 0.95 0.037 0.95 0.079 2.0 0.035 0.9 0.031 0.8 inches mm LMBD301LT1-3/3