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MMST4126
PNP SMALL SIGNAL SURFACE MOUNT TRANSISTOR
Features
* * * * * * Epitaxial Planar Die Construction Complementary NPN Type Available (MMST4124) Ideal for Medium Power Amplification and Switching Ultra-Small Surface Mount Package Lead Free/RoHS Compliant (Note 2) "Green" Device (Notes 3 and 4)
A C BC B G H K M E
SOT-323 Dim A B C D E G H J K L M Min 0.25 1.15 2.00 0.30 1.20 1.80 0.0 0.90 0.25 0.10 0 Max 0.40 1.35 2.20 0.40 1.40 2.20 0.10 1.00 0.40 0.18 8
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-020C Terminal Connections: See Diagram Terminals: Solderable per MIL-STD-202, Method 208 Lead Free Plating (Matte Tin Finish annealed over Alloy 42 leadframe). Marking Information: See Page 3 Ordering Information: See Page 3 Weight: 0.006 grams (approximate)
0.65 Nominal
* * * * * * *
J
D
F
L
C
All Dimensions in mm
B E
Maximum Ratings
@TA = 25C unless otherwise specified Symbol VCBO VCEO VEBO IC Pd RJA Tj, TSTG Value -25 -25 -4.0 -200 200 625 -55 to +150 Unit V V V mA mW C/W C
Characteristic Collector-Base Voltage Collector-Emitter Voltage Emitter-Base Voltage Collector Current - Continuous (Note 1) Power Dissipation (Note 1) Thermal Resistance, Junction to Ambient (Note 1) Operating and Storage Temperature Range
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 Noise Figure
Note:
@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 NF Min -25 -25 -4.0 120 60 120 250 Max -50 -50 360 -0.40 -0.95 4.5 10 480 4.0 Unit V V V nA nA V V pF pF MHz dB 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 VCE = -5.0V, IC = -100A, RS = 1.0k, f = 1.0kHz
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.
DS30161 Rev. 7 - 2
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MMST4126
(c) Diodes Incorporated
400
Note 1
100
f = 1MHz
300 250 200 150 100 50 0
CIBO, INPUT CAPACITANCE (pF) COBO, OUTPUT CAPACITANCE (pF)
350 PD , POWER DISSIPATION (mW)
10
Cibo
0
25
50 75 100 125 150 175 200 TA, AMBIENT TEMPERATURE (C) Fig. 1, Max Power Dissipation vs. Ambient Temperature
1 0.1
1 100 10 VCB, COLLECTOR-BASE VOLTAGE (V) Fig. 2, Input and Output Capacitance vs. Collector-Base Voltage
1,000
10
= 10
VCE(SAT), COLLECTOR-EMITTER (V) SATURATION VOLTAGE
hFE, DC CURRENT GAIN
1
100
10
0.1
1 0.1 1 10 100 IC, COLLECTOR CURRENT (mA) Fig. 3, Typical DC Current Gain vs. Collector Current 1,000
0.01 1 10 100 1,000 IC, COLLECTOR CURRENT (mA) Fig. 4, Typical Collector-Emitter Saturation Voltage vs. Collector Current
1.0
VBE(SAT), BASE-EMITTER (V) SATURATION VOLTAGE
0.9
0.8
0.7
0.6
IC IB = 10
0.5 1 10 IC, COLLECTOR CURRENT (mA) Fig. 5, Typical Base-Emitter Saturation Voltage vs. Collector Current 100
DS30161 Rev. 7 - 2
2 of 3 www.diodes.com
MMST4126
(c) Diodes Incorporated
Ordering Information (Notes 4 and 6)
Device MMST4126-7-F
Notes:
Packaging SOT-323
Shipping 3000/Tape & Reel
6. For packaging details, go to our website at http://www.diodes.com/datasheets/ap02007.pdf.
Marking Information
K2B
K2B = Product Type Marking Code YM = Date Code Marking Y = Year ex: N = 2002 M = Month ex: 9 = September
Date Code Key Year 1998 Code J Month Code Jan 1
1999 K Feb 2
2000 L
2001 M Mar 3
2002 N Apr 4
2003 P May 5
2004 R Jun 6
YM
2005 S
2006 T Jul 7
2007 U Aug 8
2008 V Sep 9
2009 W Oct O
2010 X
2011 Y Nov N
2012 Z Dec D
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.
DS30161 Rev. 7 - 2
3 of 3 www.diodes.com
MMST4126
(c) Diodes Incorporated

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