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Diodes Semiconductor Electronic Components Datasheet

ZUMT491 Datasheet

NPN SMALL SIGNAL SURFACE MOUNT TRANSISTOR

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A Product Line of
Diodes Incorporated
ZUMT491
NPN SMALL SIGNAL SURFACE MOUNT TRANSISTOR IN SOT323
Features
Low saturation voltage
500mW power dissipation
IC = 1A high Continuous Current
Ideally suited for space / weight critical applicatons
Totally Lead-Free & Fully RoHS compliant (Notes 1 & 2)
Halogen and Antimony Free. “Green” Device (Note 3)
Qualified to AEC-Q101 Standards for High Reliability
Mechanical Data
Case: SOT323
Case material: molded plastic. “Green” molding compound.
UL Flammability Rating 94V-0
Moisture Sensitivity: Level 1 per J-STD-020
Terminals: Finish - Matte Tin Plated Leads, Solderable per
MIL-STD-202, Method 208
Weight: 0.006 grams (Approximate)
SOT323
C
E
BC
Top View
E
Device Symbol
Top View
Pin Out
B
Ordering Information (Note 4)
Product
ZUMT491TA
Marking
T91
Reel size (inches)
7
Tape width (mm)
8
Quantity per reel
3,000
Notes:
1. No purposely added lead. Fully EU Directive 2002/95/EC (RoHS) & 2011/65/EU (RoHS 2) compliant.
2. See http://www.diodes.com for more information about Diodes Incorporated’s definitions of Halogen and Antimony free,"Green" and Lead-Free.
3. Halogen and Antimony free "Green” products are defined as those which contain <900ppm bromine, <900ppm chlorine (<1500ppm total Br + Cl) and
<1000ppm antimony compounds.
4. For packaging details, go to our website at http://www.diodes.com
Marking Information
T91
T91 = Product Type Marking Code
ZUMT491
Document number: DS33334 Rev. 3 - 2
1 of 7
www.diodes.com
October 2012
© Diodes Incorporated


Diodes Semiconductor Electronic Components Datasheet

ZUMT491 Datasheet

NPN SMALL SIGNAL SURFACE MOUNT TRANSISTOR

No Preview Available !

Maximum Ratings (@TA = +25°C, unless otherwise specified.)
Characteristic
Collector-Base Voltage
Collector-Emitter Voltage
Emitter-Base Voltage
Continuous Collector Current
Peak Pulse Current
Base Current
Symbol
VCBO
VCEO
VEBO
IC
ICM
IB
A Product Line of
Diodes Incorporated
ZUMT491
Value
80
60
7
1
2
200
Unit
V
V
V
A
A
mA
Thermal Characteristics (@TA = +25°C, unless otherwise specified.)
Characteristic
Power Dissipation (Note 5)
Thermal Resistance, Junction to Ambient (Note 5)
Thermal Resistance, Junction to Leads (Note 6)
Operating and Storage Temperature Range
Symbol
PD
RθJA
RθJL
TJ,TSTG
Value
500
250
350
-55 to +150
Unit
mW
°C/W
°C/W
°C
Notes:
5. For a device surface mounted on 25mm X 25mm FR4 PCB with high coverage of single sided 1 oz copper, in still air conditions; device measured when
operating in steady state condition.
6. Thermal resistance from junction to solder-point (at the end of the leads).
ZUMT491
Document number: DS33334 Rev. 3 - 2
2 of 7
www.diodes.com
October 2012
© Diodes Incorporated


Part Number ZUMT491
Description NPN SMALL SIGNAL SURFACE MOUNT TRANSISTOR
Maker Diodes
Total Page 7 Pages
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