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 MMBTA42
NPN SMALL SIGNAL SURFACE MOUNT TRANSISTOR Features
* * * Epitaxial Planar Die Construction Complementary PNP Type Available (MMBTA92) Ideal for Medium Power Amplification and Switching
B E
SOT-23
A C B
TOP VIEW
Dim A B
C
Min 0.37 1.20 2.30 0.89 0.45 1.78 2.80 0.013 0.903 0.45 0.085 0
Max 0.51 1.40 2.50 1.03 0.60 2.05 3.00 0.10 1.10 0.61 0.180 8
C D E G H J K L M a
Mechanical Data
* * * * * * * * Case: SOT-23, Molded Plastic Case Material - UL Flammability Rating 94V-0 Moisture sensitivity: Level 1 per J-STD-020A Terminals: Solderable per MIL-STD-202, Method 208 Terminal Connections: See Diagram Marking (See Page 2): K3M Ordering & Date Code Information: See Page 2 Weight: 0.008 grams (approx.)
E
D G H K J L M
All Dimensions in mm @ TA = 25C unless otherwise specified Symbol VCBO VCEO VEBO IC Pd RqJA Tj, TSTG MMBTA42 300 300 6.0 500 300 417 -55 to +150 Unit V V V mA mW K/W C
Maximum Ratings
Collector-Base Voltage Collector-Emitter Voltage Emitter-Base Voltage
Characteristic
Collector Current (Note 1) (Note 3) Power Dissipation (Note 1) Thermal Resistance, Junction to Ambient (Note 1) Operating and Storage and Temperature Range
Electrical Characteristics
Characteristic OFF CHARACTERISTICS (Note 2) Collector-Base Breakdown Voltage Collector-Emitter Breakdown Voltage Emitter-Base Breakdown Voltage Collector Cutoff Current Collector Cutoff Current ON CHARACTERISTICS (Note 2) DC Current Gain Collector-Emitter Saturation Voltage Base- Emitter Saturation Voltage SMALL SIGNAL CHARACTERISTICS Output Capacitance Current Gain-Bandwidth Product Notes:
@ TA = 25C unless otherwise specified Symbol V(BR)CBO V(BR)CEO V(BR)EBO ICBO IEBO Min 300 300 6.0 3/4 3/4 25 40 40 3/4 3/4 3/4 50 Max 3/4 3/4 3/4 100 100 Unit V V V nA nA Test Condition IC = 100mA, IE = 0 IC = 1.0mA, IB = 0 IE = 100mA, IC = 0 VCB = 200V, IE = 0 VCE = 6.0V, IC = 0 IC = 1.0mA, VCE = 10V IC = 10mA, VCE = 10V IC = 30mA, VCE = 10V IC = 20mA, IB = 2.0mA IC = 20mA, IB = 2.0mA VCB = 20V, f = 1.0MHz, IE = 0 VCE = 20V, IC = 10mA, f = 100MHz
hFE VCE(SAT) VBE(SAT) Ccb fT
3/4 0.5 0.9 3.0 3/4
3/4 V V pF MHz
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. Short duration test pulse used to minimize self-heating effect. 3. When operated under collector-emitter saturation conditions within the safe operating area defined by the thermal resistance rating (RqJA), power dissipation rating (Pd) and power derating curve (figure 1).
DS30062 Rev. 4 - 2
1 of 2
MMBTA42
Ordering Information
Device MMBTA42-7 Notes:
(Note 4) Packaging SOT-23 Shipping 3000/Tape & Reel
4. For Packaging Details, go to our website at http://www.diodes.com/datasheets/ap02007.pdf.
Marking Information
K3M
K3M = Product Type Marking Code YM = Date Code Marking Y = Year ex: N = 2002 M = Month ex: 9 = September
Date Code Key Year Code Month Code 1998 J Jan 1 1999 K Feb 2 2000 L March 3 2001 M Apr 4 2002 N May 5 2003 P Jun 6 2004 R Jul 7 2005 S Aug 8 2006 T Sep 9 2007 U Oct O 2008 V Nov N 2009 W Dec D
350 PD, POWER DISSIPATION (mW) 300 250 200 150 100 50 0
0
25
50
75
100
125
150
175
200
TA, AMBIENT TEMPERATURE (C) Fig. 1, Max Power Dissipation vs Ambient Temperature
DS30062 Rev. 4 - 2
YM
2 of 2
MMBTA42


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Price & Availability of MMBTA42-7
Newark

Part # Manufacturer Description Price BuyNow  Qty.
MMBTA42-7-F
78AC7422
Diodes Incorporated Ss Hi Voltage Transistor Sot23 T&r 3K Rohs Compliant: Yes |Diodes Inc. MMBTA42-7-F 1: USD0.019
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243000

DigiKey

Part # Manufacturer Description Price BuyNow  Qty.
MMBTA42-7-F
MMBTA42-FDICT-ND
Diodes Incorporated TRANS NPN 300V 0.5A SOT23-3 150000: USD0.01746
75000: USD0.02101
30000: USD0.02429
9000: USD0.02626
6000: USD0.03086
3000: USD0.03263
1000: USD0.03939
500: USD0.05672
100: USD0.0722
10: USD0.134
1: USD0.19
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527590

Avnet Americas

Part # Manufacturer Description Price BuyNow  Qty.
MMBTA42-7-F
MMBTA42-7-F
Diodes Incorporated Trans GP BJT NPN 300V 0.5A 3-Pin SOT-23 T/R - Tape and Reel (Alt: MMBTA42-7-F) 300000: USD0.01538
30000: USD0.01562
24000: USD0.01587
18000: USD0.01649
12000: USD0.01699
6000: USD0.01752
3000: USD0.01817
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243000
MMBTA42-7-F
MMBTA42-7-F
Diodes Incorporated Trans GP BJT NPN 300V 0.5A 3-Pin SOT-23 T/R - Tape and Reel (Alt: MMBTA42-7-F) 300000: USD0.01538
30000: USD0.01562
24000: USD0.01587
18000: USD0.01649
12000: USD0.01699
6000: USD0.01752
3000: USD0.01817
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0
MMBTA42-7-F
MMBTA42-7-F
Diodes Incorporated Trans GP BJT NPN 300V 0.5A 3-Pin SOT-23 T/R - Tape and Reel (Alt: MMBTA42-7-F) 300000: USD0.01538
30000: USD0.01562
24000: USD0.01587
18000: USD0.01649
12000: USD0.01699
6000: USD0.01752
3000: USD0.01817
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0

Mouser Electronics

Part # Manufacturer Description Price BuyNow  Qty.
MMBTA42-7-F
621-MMBTA42-F
Diodes Incorporated Bipolar Transistors - BJT 300V 300mW 1: USD0.19
10: USD0.097
100: USD0.048
1000: USD0.039
3000: USD0.025
9000: USD0.022
24000: USD0.021
45000: USD0.019
99000: USD0.016
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1076984

Arrow Electronics

Part # Manufacturer Description Price BuyNow  Qty.
MMBTA42-7-F
E02:0323_01118830
Diodes Incorporated Trans GP BJT NPN 300V 0.5A 300mW 3-Pin SOT-23 T/R 99000: USD0.0152
45000: USD0.0153
24000: USD0.0172
9000: USD0.0185
3000: USD0.0221
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207000
MMBTA42-7-F
V36:1790_06702915
Diodes Incorporated Trans GP BJT NPN 300V 0.5A 300mW 3-Pin SOT-23 T/R 99000: USD0.0148
45000: USD0.016
24000: USD0.0179
9000: USD0.0193
3000: USD0.0231
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153000
MMBTA42-7-F
A63:0959_13586707
Diodes Incorporated Trans GP BJT NPN 300V 0.5A 300mW 3-Pin SOT-23 T/R 99000: USD0.0132
45000: USD0.0149
24000: USD0.0167
9000: USD0.018
3000: USD0.0215
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141000
MMBTA42-7-F
A03:0893_13586707
Diodes Incorporated Trans GP BJT NPN 300V 0.5A 300mW 3-Pin SOT-23 T/R 99000: USD0.0132
45000: USD0.0149
24000: USD0.0167
9000: USD0.018
3000: USD0.0215
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6000
MMBTA42-7-F
V72:2272_06702915
Diodes Incorporated Trans GP BJT NPN 300V 0.5A 300mW 3-Pin SOT-23 T/R 99000: USD0.0195
45000: USD0.0197
24000: USD0.021
9000: USD0.022
3000: USD0.025
730: USD0.0389
BuyNow
725

RS

Part # Manufacturer Description Price BuyNow  Qty.
MMBTA42-7-F
70438346
Diodes Incorporated Transistor NPN 300V 0.5A SOT23 | Diodes Inc MMBTA42-7-F 50: USD0.066
250: USD0.062
500: USD0.059
2500: USD0.053
5000: USD0.046
RFQ
0

Verical

Part # Manufacturer Description Price BuyNow  Qty.
MMBTA42-7-F
82087639
Zetex / Diodes Inc Trans GP BJT NPN 300V 0.5A 300mW 3-Pin SOT-23 T/R 99000: USD0.0151
45000: USD0.0152
24000: USD0.0172
9000: USD0.0185
3000: USD0.0221
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207000
MMBTA42-7-F
69075841
Zetex / Diodes Inc Trans GP BJT NPN 300V 0.5A 300mW 3-Pin SOT-23 T/R 99000: USD0.0148
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153000
MMBTA42-7-F
79001918
Zetex / Diodes Inc Trans GP BJT NPN 300V 0.5A 300mW 3-Pin SOT-23 T/R 99000: USD0.0132
45000: USD0.0149
24000: USD0.0167
9000: USD0.018
6000: USD0.0215
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141000
MMBTA42-7-F
78955491
Zetex / Diodes Inc Trans GP BJT NPN 300V 0.5A 300mW 3-Pin SOT-23 T/R 99000: USD0.0132
45000: USD0.0149
24000: USD0.0167
9000: USD0.018
6000: USD0.0215
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6000
MMBTA42-7-F
64141696
Zetex / Diodes Inc Trans GP BJT NPN 300V 0.5A 300mW 3-Pin SOT-23 T/R 725: USD0.0389
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725

Bristol Electronics

Part # Manufacturer Description Price BuyNow  Qty.
MMBTA42-7
Diodes Incorporated RFQ
3091
MMBTA42-7-F
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1730
MMBTA42-7-F
Diodes Incorporated RFQ
1308
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Diodes Incorporated 779: USD0.0113
224: USD0.045
75: USD0.0675
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MMBTA427F
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Quest Components

Part # Manufacturer Description Price BuyNow  Qty.
MMBTA42-7
Diodes Incorporated TRANSISTOR NPN 300V SOT-23 371: USD0.09
43: USD0.135
1: USD0.3
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2472
MMBTA42-7-F
Diodes Incorporated 500 mA, 300 V, NPN, Si, SMALL SIGNAL TRANSISTOR 334: USD0.03
57: USD0.06
1: USD0.09
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TME

Part # Manufacturer Description Price BuyNow  Qty.
MMBTA42-7-F
MMBTA42-7-F
Diodes Incorporated Transistor: NPN; bipolar; 300V; 0.5A; 300mW; SOT23 12000: USD0.0227
3000: USD0.0244
500: USD0.0272
100: USD0.0308
25: USD0.037
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Ameya Holding Limited

Part # Manufacturer Description Price BuyNow  Qty.
MMBTA42-7-F
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ComSIT USA

Part # Manufacturer Description Price BuyNow  Qty.
MMBTA427F
Diodes Incorporated 300V NPN SMALL SIGNAL TRANSISTOR IN SOT23 Small Signal Bipolar Transistor, 0.5A I(C), 300V V(BR)CEO, 1-Element, NPN, Silicon RFQ
3000

Sensible Micro Corporation

Part # Manufacturer Description Price BuyNow  Qty.
MMBTA42-7-F
SMC-MMBTA42-7-F
Diodes Incorporated OEM Excess 5-7 Days Leadtime, We are an AS6081 Certified Vendor, 1 Yr Warranty RFQ
3000

Avnet Asia

Part # Manufacturer Description Price BuyNow  Qty.
MMBTA42-7-F
MMBTA42-7-F
Diodes Incorporated Trans GP BJT NPN 300V 0.5A 3-Pin SOT-23 T/R (Alt: MMBTA42-7-F) RFQ
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Avnet Silica

Part # Manufacturer Description Price BuyNow  Qty.
MMBTA42-7-F
MMBTA42-7-F
Diodes Incorporated Trans GP BJT NPN 300V 0.5A 3-Pin SOT-23 T/R (Alt: MMBTA42-7-F) BuyNow
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LCSC

Part # Manufacturer Description Price BuyNow  Qty.
MMBTA42-7-F
Diodes Incorporated 300V 300mW 4030mA10V 500mA NPN SOT-23 Bipolar (BJT) ROHS 21000: USD0.0177
9000: USD0.0188
3000: USD0.0208
600: USD0.024
200: USD0.0279
20: USD0.0348
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1075

New Advantage Corporation

Part # Manufacturer Description Price BuyNow  Qty.
MMBTA42-7-F
Diodes Incorporated 9000: USD0.0214
1542000: USD0.02
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1542000

Win Source Electronics

Part # Manufacturer Description Price BuyNow  Qty.
MMBTA42-7-F
Diodes Incorporated TRANS NPN 300V 0.5A SOT23-3 1925: USD0.026
4765: USD0.021
7145: USD0.021
10000: USD0.02
13160: USD0.019
17650: USD0.017
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139600

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