# M28S Transistor - Datasheet Summary

## General Information

· Type: NPN Silicon Plastic-Encapsulate Transistor
· Manufacturer: Micro Commercial Components
· Revision: D, 2013/01/01

## Features

· Power Dissipation: 0.625 Watts
· Collector Current (Ic): 1.0A
· Collector-Base Voltage (Vcbo): 40V
· Operating & Storage Junction Temperature: -55°C to +150°C
· UL 94 V-0 Flammability Rating (Epoxy)
· Moisture Sensitivity Level: 1
· RoHS Compliant: Available with "-P" suffix
· Halogen Free: Available with "-HF" suffix
· Marking: M28S X (e.g., M28S-B, M28S-C, M28S-D)

## Electrical Characteristics (@ 25°C)

· V(BR)CEO (Collector-Emitter Breakdown Voltage): 20 Vdc
· V(BR)CBO (Collector-Base Breakdown Voltage): 40 Vdc
· V(BR)EBO (Emitter-Base Breakdown Voltage): 6.0 Vdc
· ICBO (Collector Cutoff Current): ≤ 1.0 uAdc
· ICEO (Collector Cutoff Current): ≤ 5.0 Vdc
· IEBO (Emitter Cutoff Current): ≤ 0.1 uAdc
· hFE (DC Current Gain):
- 290 - 1000 (Ic = 1.0mAdc, Vce = 1.0Vdc)
- 300 - 1000 (Ic = 100mAdc, Vce = 1.0Vdc)
- 300 - 1000 (Ic = 300mAdc, Vce = 1.0Vdc)
- 300 - 1000 (Ic = 500mAdc, Vce = 1.0Vdc)
· Vce(sat) (Collector-Emitter Saturation Voltage): ≤ 0.55 Vdc (Ic = 600mAdc, Ib = 30mAdc)
· fT (Transition Frequency): 100 MHz (Vce = 10Vdc, Ic = 50mAdc, f = 30MHz)

## HFE Classification

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

## Dimensions (TO-92 Package) - Inches / Millimeters

Dimension	Inches (Min)	Inches (Max)	Millimeters (Min)	Millimeters (Max)
A	0.175	0.185	4.45	4.70
B	0.175	0.185	4.45	4.70
C	0.500	-	12.70	-
D	0.016	0.020	0.41	0.63
E	0.135	0.145	3.43	3.68
G (Straight Lead)	0.095	0.105	2.42	2.67
G (Bent Lead)	0.173	0.220	4.40	5.60

## Ordering Information

· Part Number - AP: Ammo Packing (20,000 pcs/Carton)
· Part Number - BP: Bulk (100,000 pcs/Carton)
· Add "-HF" suffix for Halogen Free option.