Anterwell Technology Ltd.
Anterwell Technology Ltd. Large Original stock of IC Electronics Components, Transistors, Diodes etc. High Quality, Reasonable Price, Fast Delivery.
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Mmbd4148 High Speed Switching Diode , Surface Mount Zener Diode Fast Switching
VOLTAGE 75 Volts POWER 350 mWatts PACKAGE SOT-23
FEATURES 
• Fast switching speed.
• Surface mount package Ideally Suited for Automatic insertion
• Electrically Identical to Standard JEDEC
• High Conductance
MECHANICAL DATA
Case: SOT-23, Plastic
Terminals: Solderable per MIL-STD-202, Method 208
Approx. Weight: 0.008 gram
Marking: A2, A3
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25℃ ambient temperature unless otherwise specified.
Single phase, half wave, 60 Hz, resistive or inductive load.
For capacitive load, derate current by 20%.
| PARAMETER | SYMBOL | MMBD4148 | MMBD4448 | UNITS |
| Reverse Voltage | VR | 75 | 75 | V |
| Peak Reverse Voltage | VRM | 100 | 100 | V |
| Rectified Current (Average), Half Wave Rectification with Resistive Load and f >=50 Hz | IO | 150 | 150 | mA |
| Peak Forward Surge Current, 8.3ms single half sine-wave superimposed on rated load (JEDEC method) | IFSM | 2.0 | 4.0 | A |
| Power Dissipation Derate Above 25℃ | PTOT | 350 | 350 | mW |
| Maximum Forward Voltage @ IF= A 5m @ IF= A | VF | - 1.0 | 0.72 1.0 | V |
| Maximum DC Reverse Current at Rated DC Blocking Voltage TJ= 25℃ | IR | 2.5 | 2.5 | µA |
| Typical Junction Capacitance( Notes1) | CJ | 4.0 | 4.0 | pF |
| Maximum Reverse Recovery (Notes2) | TRR | 4.0 | 4.0 | ns |
| Maximum Thermal Resistance | RθJA | 357 | ℃ / W | |
| Storage Temperature Range | TJ | -55 TO +125 | ℃ | |
NOTE:
1. CJ at VR=0, f=1MHZ
2.From IF=10mA to IR=1mA, VR=6Volts, RL=100Ω
RATING and CHARACTERISTIC CURVES
OUTLINE DRAWING
SOT-23