ON Semiconductor
Is Now
To learn more about onsemi™, please visit our website at
www.onsemi.com
onsemi and and other names, marks, and brands are registered and/or common law trademarks of Semiconductor Components Industries, LLC dba “onsemi” or its affiliates and/or
subsidiaries in the United States and/or other countries. onsemi owns the rights to a number of patents, trademarks, copyrights, trade secrets, and other intellectual property. A listing of onsemi
product/patent coverage may be accessed at www.onsemi.com/site/pdf/Patent-Marking.pdf. onsemi reserves the right to make changes at any time to any products or information herein, without
notice. The information herein is provided “as-is” and onsemi makes no warranty, representation or guarantee regarding the accuracy of the information, product features, availability, functionality,
or suitability of its products for any particular purpose, nor does onsemi assume any liability arising out of the application or use of any product or circuit, and specifically disclaims any and all
liability, including without limitation special, consequential or incidental damages. Buyer is responsible for its products and applications using onsemi products, including compliance with all laws,
regulations and safety requirements or standards, regardless of any support or applications information provided by onsemi. “Typical” parameters which may be provided in onsemi data sheets and/
or specifications can and do vary in different applications and actual performance may vary over time. All operating parameters, including “Typicals” must be validated for each customer application
by customer’s technical experts. onsemi does not convey any license under any of its intellectual property rights nor the rights of others. onsemi products are not designed, intended, or authorized
for use as a critical component in life support systems or any FDA Class 3 medical devices or medical devices with a same or similar classification in a foreign jurisdiction or any devices intended for
implantation in the human body. Should Buyer purchase or use onsemi products for any such unintended or unauthorized application, Buyer shall indemnify and hold onsemi and its officers, employees,
subsidiaries, affiliates, and distributors harmless against all claims, costs, damages, and expenses, and reasonable attorney fees arising out of, directly or indirectly, any claim of personal injury or death
associated with such unintended or unauthorized use, even if such claim alleges that onsemi was negligent regarding the design or manufacture of the part. onsemi is an Equal Opportunity/Affirmative
Action Employer. This literature is subject to all applicable copyright laws and is not for resale in any manner. Other names and brands may be claimed as the property of others.
MMBT6521LT1G,
SMMBT6521LT1G
Amplifier Transistor
NPN Silicon
Features
www.onsemi.com
• S Prefix for Automotive and Other Applications Requiring Unique
•
Site and Control Change Requirements; AEC−Q101 Qualified and
PPAP Capable
These Devices are Pb−Free, Halogen Free/BFR Free and are RoHS
Compliant
SOT− 23 (TO −236)
CASE 318 −08
STYLE 6
MAXIMUM RATINGS
Rating
Symbol
Value
Unit
Collector −Emitter Voltage
VCEO
25
Vdc
Collector −Base Voltage
VCBO
40
Vdc
Emitter −Base Voltage
VEBO
4.0
Vdc
IC
100
mAdc
Collector Current — Continuous
COLLECTOR
3
1
BASE
2
EMITTER
THERMAL CHARACTERISTICS
Characteristic
Total Device Dissipation FR− 5 Board
(Note 1) @TA = 25°C
Derate above 25°C
Thermal Resistance, Junction−to−Ambient
Total Device Dissipation Alumina
Substrate, (Note 2) @TA = 25°C
Derate above 25°C
Thermal Resistance, Junction−to−Ambient
Junction and Storage Temperature
Symbol
Max
Unit
225
1.8
mW
mW/°C
556
°C/W
300
2.4
mW
mW/°C
RqJA
417
°C/W
TJ, Tstg
−55 to +150
°C
MARKING DIAGRAM
PD
RqJA
RO M G
G
PD
Stresses exceeding those listed in the Maximum Ratings table may damage the
device. If any of these limits are exceeded, device functionality should not be
assumed, damage may occur and reliability may be affected.
1. FR− 5 = 1.0 0.75 0.062 in.
2. Alumina = 0.4 0.3 0.024 in. 99.5% alumina.
1
RO
M
G
= Specific Device Code
= Date Code*
= Pb−Free Package
(Note: Microdot may be in either location)
*Date Code orientation and/or overbar may
vary depending upon manufacturing location.
ORDERING INFORMATION
Device
Package
Shipping†
MMBT6521LT1G
SOT−23
(Pb−Free)
3,000 /
Tape & Reel
SMMBT6521LT1G
SOT−23
(Pb−Free)
3,000 /
Tape & Reel
†For information on tape and reel specifications,
including part orientation and tape sizes, please
refer to our Tape and Reel Packaging Specification
Brochure, BRD8011/D.
© Semiconductor Components Industries, LLC, 2003
October, 2016 − Rev. 7
1
Publication Order Number:
MMBT6521LT1/D
MMBT6521LT1G, SMMBT6521LT1G
ELECTRICAL CHARACTERISTICS (TA = 25°C unless otherwise noted)
Characteristic
Symbol
Min
Max
25
−
4.0
−
−
0.5
−
10
150
300
−
600
−
0.5
−
3.5
−
3.0
Unit
OFF CHARACTERISTICS
Collector −Emitter Breakdown Voltage
(IC = 0.5 mAdc, IB = 0)
V(BR)CEO
Emitter −Base Breakdown Voltage
(IE = 10 mAdc, IC = 0)
V(BR)EBO
Collector Cutoff Current
(VCB = 30 Vdc, IE = 0)
ICBO
Emitter Cutoff Current
(VEB = 5.0 Vdc, IC = 0)
IEBO
Vdc
Vdc
mAdc
nAdc
ON CHARACTERISTICS
DC Current Gain
(IC = 100 mAdc, VCE = 10 Vdc)
(IC = 2.0 mAdc, VCE = 10 Vdc)
hFE
Collector −Emitter Saturation Voltage
(IC = 50 mAdc, IB = 5.0 mAdc)
−
VCE(sat)
Vdc
SMALL− SIGNAL CHARACTERISTICS
Output Capacitance
(VCB = 10 Vdc, IE = 0, f = 1.0 MHz)
Cobo
Noise Figure
(IC = 10 mAdc, VCE = 5.0 Vdc, Power Bandwidth = 15.7 kHz,
3.0 dB points @ = 10 Hz and 10 kHz)
pF
NF
dB
Product parametric performance is indicated in the Electrical Characteristics for the listed test conditions, unless otherwise noted. Product
performance may not be indicated by the Electrical Characteristics if operated under different conditions.
RS
in
en
IDEAL
TRANSISTOR
Figure 1. Transistor Noise Model
EQUIVALENT SWITCHING TIME TEST CIRCUITS
+3.0 V
300 ns
DUTY CYCLE = 2%
275
+10.9 V
+3.0 V
10 < t1 < 500 ms
DUTY CYCLE = 2%
t1
+10.9 V
10 k
-0.5 V