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MMST4124
NPN SMALL SIGNAL SURFACE MOUNT TRANSISTOR
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Features
* * * * * * Epitaxial Planar Die Construction Complementary PNP Type Available (MMST4126) Ideal for Medium Power Amplification and Switching Ultra-Small Surface Mount Package Lead Free/RoHS Compliant (Note 2) "Green" Device (Notes 3 and 4)
Mechanical Data
* * * * * * * * Case: SOT-323 Case Material: Molded Plastic, "Green" Molding Compound, Note 4. UL Flammability Classification Rating 94V-0 Moisture Sensitivity: Level 1 per J-STD-020D Terminal Connections: See Diagram Terminals: Matte Tin Finish annealed over Alloy 42 leadframe (Lead Free Plating) Solderable per MIL-STD-202, Method 208 Marking Information: See Page 3 Ordering Information: See Page 3 Weight: 0.006 grams (approximate)
C
B
Top View
E
Device Schematic
Maximum Ratings
@TA = 25C unless otherwise specified Symbol VCBO VCEO VEBO IC Value 30 25 5.0 200 Unit V V V mA
Characteristic Collector-Base Voltage Collector-Emitter Voltage Emitter-Base Voltage Collector Current - Continuous (Note 1)
Thermal Characteristics
Characteristic Power Dissipation (Note 1) Thermal Resistance, Junction to Ambient (Note 1) Operating and Storage Temperature Range Symbol PD RJA TJ, TSTG Value 200 625 -55 to +150 Unit mW C/W C
Electrical Characteristics
Characteristic OFF CHARACTERISTICS (Note 5) Collector-Base Breakdown Voltage Collector-Emitter Breakdown Voltage Emitter-Base Breakdown Voltage Collector Cutoff Current Emitter Cutoff Current ON CHARACTERISTICS (Note 5) DC Current Gain Collector-Emitter Saturation Voltage Base-Emitter Saturation Voltage SMALL SIGNAL CHARACTERISTICS Output Capacitance Input Capacitance Small Signal Current Gain Current Gain-Bandwidth Product
Notes:
@TA = 25C unless otherwise specified Symbol V(BR)CBO V(BR)CEO V(BR)EBO ICBO IEBO hFE VCE(SAT) VBE(SAT) Cobo Cibo hfe fT Min 30 25 5.0 120 60 120 300 Max 50 50 360 0.30 0.95 4.0 8.0 480 Unit V V V nA nA V V pF pF MHz Test Condition IC = 10A, IE = 0 IC = 1.0mA, IB = 0 IE = 10A, IC = 0 VCB = 20V, IE = 0V VEB = 3.0V, IC = 0V IC = 2.0mA, VCE = 1.0V IC = 50mA, VCE = 1.0V IC = 50mA, IB = 5.0mA IC = 50mA, IB = 5.0mA VCB = 5.0V, f = 1.0MHz, IE = 0 VEB = 0.5V, f = 1.0MHz, IC = 0 VCE = 1.0V, IC = 2.0mA, f = 1.0kHz VCE = 20V, IC = 10mA, f = 100MHz
1. Device mounted on FR-4 PCB, 1 inch x 0.85 inch x 0.062 inch; pad layout as shown on Diodes Inc. suggested pad layout document AP02001, which can be found on our website at http://www.diodes.com/datasheets/ap02001.pdf. 2. No purposefully added lead. 3. Diodes Inc.'s "Green" policy can be found on our website at http://www.diodes.com/products/lead_free/index.php. 4. Product manufactured with Date Code 0627 (week 27, 2006) and newer are built with Green Molding Compound. Product manufactured prior to Date Code 0627 are built with Non-Green Molding Compound and may contain Halogens or Sb2O3 Fire Retardants. 5. Short duration pulse test used to minimize self-heating effect.
MMST4124
Document number: DS30163 Rev. 9 - 2
1 of 3 www.diodes.com
January 2009
(c) Diodes Incorporated
MMST4124
400 350 PD, POWER DISSIPATION (mW) 300 250 200 150 100 50 0 0 25 50 75 100 125 150 175 TA, AMBIENT TEMPERATURE (C) Fig. 1 Power Dissipation vs. Ambient Temperature (Note 1) 200
1 0.1 1 10 100 IC, COLLECTOR CURRENT (mA) Fig. 2 Typical DC Current Gain vs. Collector Current hFE, DC CURRENT GAIN 1,000
100
10
1,000
VBE(SAT), BASE-EMITTER SATURATION VOLTAGE (V)
1
10
VCE(SAT), COLLECTOR-EMITTER SATURATION VOLTAGE (V)
0.1
1
0.01 0.1
0.1 0.1 1 10 1,000 100 IC, COLLECTOR CURRENT (mA) Fig. 4 Typical Base-Emitter Saturation Voltage vs. Collector Current
1 10 1,000 100 IC, COLLECTOR CURRENT (mA) Fig. 3 Typical Collector-Emitter Saturation Voltage vs. Collector Current
15
f = 1MHz
CAPACITANCE (pF)
10
5
Cibo
Cobo
0 0.1
1 10 100 VR, REVERSE VOLTAGE (V) Fig. 5 Typical Capacitance Characteristics
MMST4124
Document number: DS30163 Rev. 9 - 2
2 of 3 www.diodes.com
January 2009
(c) Diodes Incorporated
MMST4124 Ordering Information
Part Number MMST4124-7-F
Notes:
(Notes 4 and 6) Case SOT-323 Packaging 3000/Tape & Reel
6. For packaging details, go to our website at http://www.diodes.com/datasheets/ap02007.pdf.
Marking Information
K1B = Product Type Marking Code YM = Date Code Marking Y = Year (ex: N = 2002) M = Month (ex: 9 = September)
K1B
Date Code Key Year 1998 Code J Month Code Jan 1
1999 K
2000 L Feb 2
2001 M Mar 3
2002 N
2003 P Apr 4
2004 2005 R S May 5
YM
2006 T Jun 6
2007 U Jul 7
2008 V
2009 W Aug 8
2010 X Sep 9
2011 Y
2012 Z Oct O
2013 A Nov N
2014 B
2015 C Dec D
Package Outline Dimensions
A
BC
G H K M
J
D
L
SOT-323 Dim Min Max Typ A 0.25 0.40 0.30 B 1.15 1.35 1.30 C 2.00 2.20 2.10 D 0.65 G 1.20 1.40 1.30 H 1.80 2.20 2.15 J 0.0 0.10 0.05 K 0.90 1.00 1.00 L 0.25 0.40 0.30 M 0.10 0.18 0.11 0 8 All Dimensions in mm
Suggested Pad Layout
Y Z
C
Dimensions Value (in mm) Z 2.8 X 0.7 Y 0.9 C 1.9 E 1.0
X
E
IMPORTANT NOTICE Diodes Incorporated and its subsidiaries reserve the right to make modifications, enhancements, improvements, corrections or other changes without further notice to any product herein. Diodes Incorporated does not assume any liability arising out of the application or use of any product described herein; neither does it convey any license under its patent rights, nor the rights of others. The user of products 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 our website, harmless against all damages. LIFE SUPPORT Diodes Incorporated products are not authorized for use as critical components in life support devices or systems without the expressed written approval of the President of Diodes Incorporated.
MMST4124
Document number: DS30163 Rev. 9 - 2
3 of 3 www.diodes.com
January 2009
(c) Diodes Incorporated

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