FZT957
Datasheet Number: DS33191 Rev. 7 - 2
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December 2016
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FZT957
300V PNP MEDIUM POWER TRANSISTOR IN SOT223
Features
BVCEO > -300V
IC = -1A High Continuous Collector Current
ICM = -2A Peak Pulse Current
Low Saturation Voltage VCE(sat) < -240mV @ -1A
hFE Specified up to -2A for a High Gain Hold-Up
Complementary NPN Type: FZT857
Lead-Free Finish; RoHS Compliant (Notes 1 & 2)
Halogen and Antimony Free. “Green” Device (Note 3)
Qualified to AEC-Q101 Standards for High Reliability
PPAP Capable (Note 4)
Mechanical Data
Case: SOT223
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: 0.112 grams (Approximate)
Ordering Information (Notes 4 & 5)
Compliance
Marking
Reel size (inches)
Tape width (mm)
Quantity per reel
AEC-Q101
FZT957
7
12
1,000
AEC-Q101
FZT957
13
12
4,000
Automotive
FZT957
13
12
4,000
Notes: 1. EU Directive 2002/95/EC (RoHS) & 2011/65/EU (RoHS 2) compliant. All applicable RoHS exemptions applied.
2. See http://www.diodes.com/quality/lead_free.html 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. Automotive products are AEC-Q101 qualified and are PPAP capable. Automotive, AEC-Q101 and standard products are electrically and thermally
the same, except where specified. For more information, please refer to http://www.diodes.com/quality/product_compliance_definitions/.
5. For packaging details, go to our website at http://www.diodes.com/products/packages.html.
Marking Information
SOT223
Top View
Device Symbol
Top View
Pin-Out
Green
C
E
B
FZT 957 = Product Type Marking Code
YWW = Date Code Marking
Y or Y = Last Digit of Year (ex: 6= 2016)
WW or WW = Week Code (01~53)
YWW
FZT
957
SOT223
FZT957
Datasheet Number: DS33191 Rev. 7 - 2
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FZT957
Absolute Maximum Ratings (@TA = +25°C, unless otherwise specified.)
Characteristic
Symbol
Value
Unit
Collector-Base Voltage
VCBO
-330
V
Collector-Emitter Voltage
VCEO
-300
V
Emitter-Base Voltage
VEBO
-7
V
Continuous Collector Current
IC
-1
A
Peak Pulse Current
ICM
-2
A
Thermal Characteristics (@TA = +25°C, unless otherwise specified.)
Characteristic
Symbol
Value
Unit
Power Dissipation
Linear Derating Factor
(Note 6)
PD
3
24
W
mW/°C
(Note 7)
1.6
12.8
Thermal Resistance, Junction to Ambient
(Note 6)
RJA
42
°C/W
(Note 7)
RJA
78
Thermal Resistance Junction to Lead
(Note 8)
RJL
8.8
Operating and Storage Temperature Range
TJ, TSTG
-55 to +150
°C
ESD Ratings (Note 9)
Characteristic
Symbol
Value
Unit
JEDEC Class
Electrostatic Discharge - Human Body Model
ESD HBM
8,000
V
3B
Electrostatic Discharge - Machine Model
ESD MM
400
V
C
Notes: 6. For a device mounted with the collector lead on 52mm x 52mm 2oz copper that is on a single-sided 1.6mm FR4 PCB; device is measured under still air
conditions whilst operating in steady-state.
7. Same as Note 6, except the device is mounted on 25mm x 25mm 1oz copper.
8. Thermal resistance from junction to solder-point (at the end of the collector lead).
9. Refer to JEDEC specification JESD22-A114 and JESD22-A115.
FZT957
Datasheet Number: DS33191 Rev. 7 - 2
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Thermal Characteristics and Derating Information
100m 110 100
10m
100m
1
10
Single Pulse. Tamb=25°C
52mmX52mm
single sided 2oz Cu
VCE(sat)
Limit
100µs
1ms
10ms
100ms
1s
DC
Safe Operating Area
-IC Collector Current (A)
-VCE Collector-Emitter Voltage (V) 020 40 60 80 100 120 140 160
0.0
0.5
1.0
1.5
2.0
2.5
3.0
25mmX25mm
single sided 1oz Cu
52mmX52mm
single sided 2oz Cu
Derating Curve
Temperature (°C)
Max Power Dissipation (W)
100µ 1m 10m 100m 110 100 1k
0
10
20
30
40 52mmX52mm
single sided 2oz Cu
Transient Thermal Impedance
D=0.5
D=0.2
D=0.1
Single Pulse
D=0.05
Thermal Resistance (°C/W)
Pulse Width (s) 100µ 1m 10m 100m 110 100 1k
1
10
100
Single Pulse. Tamb=25°C
52mmX52mm
single sided 2oz Cu
Pulse Power Dissipation
Pulse Width (s)
Max Power Dissipation (W)
FZT957
Datasheet Number: DS33191 Rev. 7 - 2
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Electrical Characteristics (@TA = +25°C, unless otherwise specified.)
Characteristic
Symbol
Min
Typ
Max
Unit
Test Condition
Collector-Base Breakdown Voltage
BVCBO
-330
-440
—
V
IC = -100µA
Collector-Emitter Breakdown Voltage
BVCER
-330
-440
—
V
IC = -1µA, RB ≤ 1kΩ
Collector-Emitter Breakdown Voltage (Note 10)
BVCEO
-300
-400
—
V
IC = -10mA
Emitter-Base Breakdown Voltage
BVEBO
-7
-8
—
V
IE = -100µA
Collector Cut-Off Current
ICBO
—
—
<1
—
-50
-1
nA
µA
VCB = -300V; R ≤1kΩ
VCB = -300V, TA = +100°C
Collector Cut-Off Current
ICER
—
—
<1
—
-50
-1
nA
µA
VCE = -300V
VCE = -300V, TA = +100°C
Emitter Cut-Off Current
IEBO
—
<1
-10
nA
VEB = -6V
DC Current Transfer Static Ratio (Note 10)
hFE
100
200
-
—
IC = -10mA, VCE = -10V
100
200
300
IC = -0.5A, VCE = -10V
90
170
—
IC = -1A, VCE = -10V
—
10
—
IC = -2A, VCE = -10V
Collector-Emitter Saturation Voltage (Note 10)
VCE(sat)
—
-60
-100
mV
IC = -100mA, IB = -10mA
—
-110
-165
IC = -500mA, IB = -100mA
—
-170
-240
IC = -1A, IB = -300mA
Base-Emitter Saturation Voltage (Note 10)
VBE(sat)
—
-910
-1,150
mV
IC = -1A, IB = -300mA
Base-Emitter Turn-on Voltage (Note 10)
VBE(on)
—
-750
-1,020
mV
IC = -1A, VCE = -10V
Transitional Frequency
fT
—
85
—
MHz
IC = -100mA, VCE = -10V,
f = 50MHz
Output Capacitance
Cobo
—
23
—
pF
VCB = -20V, f = 1MHz
Switching Time
tON
—
108
—
ns
VCC = -100V, IC = -500mA,
-IB1 = IB2 = -50mA
tOFF
—
2,500
—
Note: 10. Measured under pulsed conditions. Pulse width ≤ 300μs. Duty cycle ≤ 2%.
FZT957
Datasheet Number: DS33191 Rev. 7 - 2
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FZT957
Typical Electrical Characteristics (@TA = +25°C, unless otherwise specified.)
FZT957
Datasheet Number: DS33191 Rev. 7 - 2
6 of 7
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December 2016
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FZT957
Package Outline Dimensions
Please see http://www.diodes.com/package-outlines.html for the latest version.
Suggested Pad Layout
Please see http://www.diodes.com/package-outlines.html for the latest version.
A1
A
7°
7°
D
b
e
e1
b1
C
E1
L
0°-10°
Q
E
0.25
Seating
Plane
Gauge
Plane
SOT223
Dim
Min
Max
Typ
A
1.55
1.65
1.60
A1
0.010
0.15
0.05
b
0.60
0.80
0.70
b1
2.90
3.10
3.00
C
0.20
0.30
0.25
D
6.45
6.55
6.50
E
3.45
3.55
3.50
E1
6.90
7.10
7.00
e
-
-
4.60
e1
-
-
2.30
L
0.85
1.05
0.95
Q
0.84
0.94
0.89
All Dimensions in mm
Dimensions
Value (in mm)
C
2.30
C1
6.40
X
1.20
X1
3.30
Y
1.60
Y1
1.60
Y2
8.00
X1
Y1
Y
XC
C1 Y2
FZT957
Datasheet Number: DS33191 Rev. 7 - 2
7 of 7
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December 2016
© Diodes Incorporated
FZT957
IMPORTANT NOTICE
DIODES INCORPORATED MAKES NO WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, WITH REGARDS TO THIS DOCUMENT,
INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
(AND THEIR EQUIVALENTS UNDER THE LAWS OF ANY JURISDICTION).
Diodes Incorporated and its subsidiaries reserve the right to make modifications, enhancements, improvements, corrections or other changes
without further notice to this document and any product described herein. Diodes Incorporated does not assume any liability arising out of the
application or use of this document or any product described herein; neither does Diodes Incorporated convey any license under its patent or
trademark rights, nor the rights of others. Any Customer or user of this document or products described herein in such applications shall assume
all risks of such use and will agree to hold Diodes Incorporated and all the companies whose products are represented on Diodes Incorporated
website, harmless against all damages.
Diodes Incorporated does not warrant or accept any liability whatsoever in respect of any products purchased through unauthorized sales channel.
Should Customers purchase or use Diodes Incorporated products for any unintended or unauthorized application, Customers shall indemnify and
hold Diodes Incorporated and its representatives harmless against all claims, damages, expenses, and attorney fees arising out of, directly or
indirectly, any claim of personal injury or death associated with such unintended or unauthorized application.
Products described herein may be covered by one or more United States, international or foreign patents pending. Product names and markings
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This document is written in English but may be translated into multiple languages for reference. Only the English version of this document is the
final and determinative format released by Diodes Incorporated.
LIFE SUPPORT
Diodes Incorporated products are specifically not authorized for use as critical components in life support devices or systems without the express
written approval of the Chief Executive Officer of Diodes Incorporated. As used herein:
A. Life support devices or systems are devices or systems which:
1. are intended to implant into the body, or
2. support or sustain life and whose failure to perform when properly used in accordance with instructions for use provided in the
labeling can be reasonably expected to result in significant injury to the user.
B. A critical component is any component in a life support device or system whose failure to perform can be reasonably expected to cause the
failure of the life support device or to affect its safety or effectiveness.
Customers represent that they have all necessary expertise in the safety and regulatory ramifications of their life support devices or systems, and
acknowledge and agree that they are solely responsible for all legal, regulatory and safety-related requirements concerning their products and any
use of Diodes Incorporated products in such safety-critical, life support devices or systems, notwithstanding any devices- or systems-related
information or support that may be provided by Diodes Incorporated. Further, Customers must fully indemnify Diodes Incorporated and its
representatives against any damages arising out of the use of Diodes Incorporated products in such safety-critical, life support devices or systems.
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