Diodes FMMT634 User Manual
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100V NPN DARLINGTON TRANSISTOR IN SOT23
Features
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625mW Power dissipation
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Complementary PNP Type: FMMT734
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
> 100V
CEO
= 900mA high Continuous Collector Current
C
= 5A Peak Pulse Current
CM
> 5k up to 2A for high current gain hold up
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SOT23
Top View
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Mechanical Data
Case: SOT23
Case Material: Molded Plastic, “Green” Molding Compound
Moisture Sensitivity: Level 1 per J-STD-020
Terminals: Finish – Matte Tin Plated Leads, Solderable per
Weight 0.008 grams (approximate)
Applications
Lamp
Relay
Solenoid Driving
Device Symbol
UL Flammability Classification Rating 94V-0
MIL-STD-202, Method 208
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Diodes Incorporated
FMMT634
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Pin-Out
Ordering Information (Note 4)
Product Compliance Marking Reel size (inches) Tape width (mm) Quantity per reel
FMMT634TA AEC-Q101 634 7 8 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/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. For packaging details, go to our website at http://www.diodes.com/products/packages.html
Marking Information
634
624
634 = Product Type Marking Code
FMMT634
Document number: DS33115 Rev. 3 - 2
1 of 7
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March 2014
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Diodes Incorporated
FMMT634
Absolute Maximum Ratings (@T
= +25°C, unless otherwise specified.)
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Characteristic Symbol Value Unit
Collector-Base Voltage
Collector-Emitter Voltage
Emitter-Base Voltage
Continuous Collector Current
Peak Pulse Current
V
CBO
V
CEO
V
EBO
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C
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CM
120 V
100 V
12 V
900 mA
5 A
Thermal Characteristics (@T
= +25°C, unless otherwise specified.)
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Characteristic Symbol Value Unit
Power Dissipation (Note 5)
Power Dissipation (Note 6)
Thermal Resistance, Junction to Ambient (Note 5)
Thermal Resistance, Junction to Ambient (Note 6)
Thermal Resistance, Junction to Leads (Note 7)
Operating and Storage Temperature Range
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P
R
R
R
T
J, TSTG
θJA
θJA
θJL
D
D
625 mW
806 mW
200
155
194
-55 to +150
C/W
C/W
C/W
C
ESD Ratings (Note 8)
Characteristic Symbol Value Unit JEDEC Class
Electrostatic Discharge - Human Body Model ESD HBM 2,000 V 2
Electrostatic Discharge - Machine Model ESD MM 200 V B
Notes: 5. For a device mounted with the exposed collector pad on 25mm x 25mm 1oz copper that is on a single-sided 1.6mm FR4 PCB; device is measured
under still air conditions whilst operating in a steady-state.
6. Same as note (5), except the device is measured at t ≤ 5 sec.
7. Thermal resistance from junction to solder-point (at the end of the collector lead).
8. Refer to JEDEC specification JESD22-A114 and JESD22-A115.
FMMT634
Document number: DS33115 Rev. 3 - 2
2 of 7
www.diodes.com
March 2014
© Diodes Incorporated
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Thermal Characteristics and Derating information
10
V
CE(sat )
Limited
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DC
1s
100m
100ms
10ms
1ms
100µs
Collector Current (A)
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10m
1m
Single Pulse
T
=25°C
amb
100m 1 10 100
VCE Collector-Emitter Voltage (V)
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0.0
Max Power Dissipation (W)
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Diodes Incorporated
FMMT634
0 25 50 75 100 125 150 175
Temperature (°C)
Safe Operating Area
220
200
T
=25°C
amb
180
160
140
120
D=0.5
100
80
60
40
20
D=0.2
0
Single Pulse
D=0.1
D=0.05
Maximum Power (W)
100µ 1m 10m 100m 1 10 100 1k
Thermal Resistance (°C/W)
Pulse Width (s)
Transient Thermal Impedance
Derating Curve
100
Single Pulse
T
=25°C
amb
10
1
0.1
100µ 1m 10m 100m 1 10 100 1k
Pulse Width (s)
Pulse Power Dissipation
FMMT634
Document number: DS33115 Rev. 3 - 2
3 of 7
www.diodes.com
March 2014
© Diodes Incorporated
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