| Collector-Base Voltage | VCBO | 50 | Vdc | |
| Collector-Emitter Voltage | VCEO | 50 | Vdc | |
| Collector Current | IC | 100 | mAdc | |
| Total Device Dissipation (One Junction Heated) | PD | 187 | mW | TA= 25C, Note 1 |
| Total Device Dissipation (Both Junctions Heated) | PD | 250 | mW | TA= 25C, Note 1 |
| Junction-to-Ambient Thermal Resistance (One Junction Heated) | RJA | 670 | C/W | Note 1 |
| Junction-to-Ambient Thermal Resistance (Both Junctions Heated) | RJA | 493 | C/W | Note 1 |
| Junction-to-Lead Thermal Resistance | RJL | 188 | C/W | Note 1 |
| Junction and Storage Temperature | TJ, Tstg | 55 to +150 | C | |
| Collector Base Cutoff Current | ICBO | -100 | nA | VCB = 50 V |
| Collector Emitter Cutoff Current | ICEO | -500 | nA | VCE = 50 V |
| Collector Base Breakdown Voltage | V(BR)CBO | 50 | V | IC = 10 A |
| Collector Emitter Breakdown Voltage | V(BR)CEO | 50 | V | IC = 2 mA |
| Collector Emitter Saturation Voltage (IC=10mA, IB=0.3mA) | VCEsat | 0.25 | V | MMUN5230DW, MMUN5231DW |
| Collector Emitter Saturation Voltage (IC=10mA, IB=5mA) | VCEsat | 0.25 | V | MMUN5215DW, MMUN5216DW, MMUN5232DW, MMUN5233DW, MMUN5234DW, MMUN5235DW, MMUN5238DW |
| Output Voltage (on) (VCC=5V, VB=2.5V, RL=1K) | VOL | 0.2 | V | MMUN5211DW, MMUN5212DW, MMUN5214DW, MMUN5215DW, MMUN5216DW, MMUN5230DW, MMUN5231DW, MMUN5232DW, MMUN5233DW, MMUN5234DW, MMUN5235DW, MMUN5238DW |
| Output Voltage (on) (VCC=5V, VB=3.5V, RL=1K) | VOL | 0.2 | V | MMUN5213DW |
| Output Voltage (on) (VCC=5V, VB=5V, RL=1K) | VOL | 0.2 | V | MMUN5241DW |
| Output Voltage (off) (VCC=5V, VB=0.5V, RL=1K) | VOH | 4.9 | V | MMUN5211DW, MMUN5212DW, MMUN5214DW, MMUN5215DW, MMUN5216DW, MMUN5230DW, MMUN5231DW, MMUN5232DW, MMUN5233DW, MMUN5234DW, MMUN5235DW, MMUN5238DW |
| Output Voltage (off) (VCC=5V, VB=0.05V, RL=1K) | VOH | 4.9 | V | MMUN5230DW |
| Output Voltage (off) (VCC=5V, VB=0.25V, RL=1K) | VOH | 4.9 | V | MMUN5215DW, MMUN5216DW, MMUN5233DW, MMUN5238DW |