# M28S NPN Silicon Transistor

## Features

· Power Dissipation: 0.625 Watts
· Collector Current: 1.0A
· Collector-Base Voltage: 40V
· Junction Temperature Range: -55°C to +150°C
· UL 94 V-0 Flammability Rating
· Moisture Sensitivity Level 1
· Lead Free / RoHS Compliant ("P" suffix)
· Marking: M28S X

## Electrical Characteristics (Typical @ 25°C)

OFF Characteristics

· Collector-Emitter Breakdown Voltage (V(BR)CEO): 20 Vdc
· Collector-Base Breakdown Voltage (V(BR)CBO): 40 Vdc
· Emitter-Base Breakdown Voltage (V(BR)EBO): 6.0 Vdc
· Collector Cutoff Current (ICBO): ≤ 1.0 uAdc
· Collector Cutoff Current (ICEO): ≤ 5.0 Vdc
· Emitter Cutoff Current (IEBO): ≤ 0.1 uAdc

ON Characteristics

· DC Current Gain (hFE -1): 290 - 1000
· DC Current Gain (hFE -2): 300 - 1000
· DC Current Gain (hFE -3): 300 - 1000
· DC Current Gain (hFE -4): 300 - 1000
· Collector-Emitter Saturation Voltage (VCE(sat)): ≤ 0.55 Vdc
· Transition Frequency (fT): ≥ 100 MHz

## Classification of hFE

Rank	Range
B	300-550
C	500-700
D	650-1000

## Dimensions (inches/mm)

Dimension	Min	Max

| A | 0.170 | 0.190 | (4.33/4.83 mm)
| B | 0.170 | 0.190 | (4.30/4.83 mm)
| C | 0.550 | 0.590 | (13.97/14.97 mm)
| D | 0.010 | 0.020 | (0.36/0.56 mm)
| E | 0.130 | 0.160 | (3.30/3.96 mm)
| G | 0.096 | 0.104 | (2.44/2.64 mm)

## Ordering Information

· Part Number-AP: Ammo Packing (2Kpcs/Ammo Box)
· Part Number-BP: Bulk Packing (100Kpcs/Carton)