MOTOROLA
SEMICONDUCTOR TECHNICAL DATA
Order this document by MJE521/D
Plastic Medium-Power NPN
Silicon Transistor
. . . designed for use in general±purpose amplifier and switching circuits. Recommended for use in 5 to 10 Watt audio amplifiers utilizing complementary symmetry circuitry.
•DC Current Gain Ð h FE = 40 (Min) @ IC = 1.0 Adc
•Complementary to PNP MJE371
MAXIMUM RATINGS
MJE521
4 AMPERE
POWER TRANSISTOR
NPN SILICON
40 VOLTS
40 WATTS
CASE 77±08
TO±225AA TYPE
Rating |
Symbol |
Value |
Unit |
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Collector±Emitter Voltage |
VCEO |
40 |
Vdc |
Collector±Base Voltage |
VCB |
40 |
Vdc |
Emitter±Base Voltage |
VEB |
4.0 |
Vdc |
Collector Current Ð Continuous |
IC |
4.0 |
Adc |
Ð Peak |
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8.0 |
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Base Current Ð Continuous |
IB |
2.0 |
Adc |
Total Power Dissipation @ TC = 25_C |
PD |
40 |
Watts |
Derate above 25_C |
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0.32 |
W/_C |
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Operating and Storage Junction Temperature Range |
TJ, Tstg |
± 65 to +150 |
_C |
THERMAL CHARACTERISTICS
Characteristic |
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Symbol |
Max |
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Unit |
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Thermal Resistance, Junction to Case |
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θJC |
3.12 |
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_C/W |
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ELECTRICAL CHARACTERISTICS (TC = 25°C unless otherwise noted) |
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Characteristic |
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Symbol |
Min |
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Max |
Unit |
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OFF CHARACTERISTICS |
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Collector±Emitter Sustaining Voltage (1) |
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VCEO(sus) |
40 |
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Ð |
Vdc |
(IC = 100 mAdc, IB = 0) |
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Collector±Base Cutoff Current |
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ICBO |
Ð |
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100 |
μAdc |
(VCB = 30 Vdc, IE = 0) |
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Emitter±Base Cutoff Current |
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IEBO |
Ð |
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100 |
μAdc |
(VEB = 4.0 Vdc, IC = 0) |
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ON CHARACTERISTICS |
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DC Current Gain (1) |
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hFE |
40 |
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Ð |
Ð |
(IC = 1.0 Adc, VCE = 1.0 Vdc) |
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(1) Pulse Test: Pulse Width v 300 μs, Duty Cycle v 2.0%. |
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REV 1 |
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Motorola, Inc. 1995
MJE521
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10 |
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(AMP) |
5.0 |
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1.0 ms |
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3.0 |
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5.0 ms |
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CURRENT |
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2.0 |
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TJ = 150°C |
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dc |
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COLLECTOR, |
1.0 |
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0.3 |
BONDING WIRE LIMITED |
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0.5 |
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SECOND BREAKDOWN LIMITED |
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C |
0.2 |
THERMALLY LIMITED @ TC = 25°C |
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I |
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0.1 |
3.0 |
5.0 |
10 |
20 |
30 |
40 |
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2.0 |
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VCE, COLLECTOR±EMITTER VOLTAGE (VOLTS)
Figure 1. Active±Region Safe Operating Area
The data of Figure 1 based on TJ(pk) = 150_C; TC is variable depending on conditions. Second breakdown pulse
limits are valid for duty cycles to 10% provided (TJpk) v 150_C. At high case temperatures, thermal limitations will reduce the power that can be handled to values less than the limitations imposed by second breakdown.
There are two limitations on the power handling ability of a transistor: average junction temperature and second breakdown. Safe operating area curves indicate IC ± VCE limits of the transistor that must be observed for reliable operation; i.e., the transistor must not be subjected to greater dissipation than the curves indicate.
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1000 |
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1.5 |
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700 |
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500 |
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V |
= 1.0 V |
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1.2 |
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° |
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CURRENT GAIN |
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CE |
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TJ = 25 C |
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300 |
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(VOLTS) |
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200 |
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TJ = 150°C |
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0.9 |
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100 |
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25°C |
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VBE(sat) @ IC/IB = 10 |
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DC |
70 |
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VOLTAGE |
0.6 |
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V |
@ V |
CE |
= 2.0 V |
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, |
50 |
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± 55°C |
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BE |
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FE |
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h |
30 |
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0.3 |
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20 |
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VCE(sat) @ IC/IB = 10 |
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10 |
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3.0 |
5.0 |
10 |
20 |
30 |
50 |
100 |
200 300 500 |
1000 |
2000 |
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0 |
3.0 5.0 |
10 |
20 |
30 |
50 |
100 |
200 300 |
500 |
1000 |
2000 |
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2.0 |
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2.0 |
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IC, COLLECTOR CURRENT (mA) |
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IC, COLLECTOR CURRENT (mA) |
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Figure 2. DC Current Gain |
Figure 3. ªOnº Voltage |
r(t), TRANSIENT THERMAL |
RESISTANCE (NORMALIZED) |
1.0 |
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0.7 |
D = 0.5 |
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0.5 |
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0.3 |
0.2 |
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0.2 |
0.1 |
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θJC(t) = r(t) θJC |
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P(pk) |
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0.1 |
0.05 |
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θJC = 5.0°C/W MAX |
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D CURVES APPLY FOR POWER |
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0.07 |
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0.01 |
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PULSE TRAIN SHOWN |
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t1 |
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0.05 |
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READ TIME AT t1 |
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t |
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TJ(pk) ± TC = P(pk) θJC(t) |
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2 |
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0.03 |
SINGLE PULSE |
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DUTY CYCLE, D = t1/t2 |
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0.02 |
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0.01 |
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0.01 |
0.02 0.03 |
0.05 |
0.1 |
0.2 |
0.3 |
0.5 |
1.0 |
2.0 |
3.0 |
5.0 |
10 |
20 |
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50 |
100 |
200 |
300 |
500 |
1000 |
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t, TIME (ms) |
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Figure 4. Thermal Response
2 |
Motorola Bipolar Power Transistor Device Data |
MJE521
PACKAGE DIMENSIONS
±B± |
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U |
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F |
C |
Q |
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M |
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±A± |
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1 |
2 |
3 |
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H |
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K |
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V |
J |
G |
R |
S |
0.25 (0.010) M A M B M |
D 2 PL |
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NOTES:
1.DIMENSIONING AND TOLERANCING PER ANSI Y14.5M, 1982.
2.CONTROLLING DIMENSION: INCH.
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INCHES |
MILLIMETERS |
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DIM |
MIN |
MAX |
MIN |
MAX |
A |
0.425 |
0.435 |
10.80 |
11.04 |
B |
0.295 |
0.305 |
7.50 |
7.74 |
C |
0.095 |
0.105 |
2.42 |
2.66 |
D |
0.020 |
0.026 |
0.51 |
0.66 |
F |
0.115 |
0.130 |
2.93 |
3.30 |
G |
0.094 BSC |
2.39 BSC |
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H |
0.050 |
0.095 |
1.27 |
2.41 |
J |
0.015 |
0.025 |
0.39 |
0.63 |
K |
0.575 |
0.655 |
14.61 |
16.63 |
M |
5 |
TYP |
5 |
TYP |
Q |
0.148 |
0.158 |
3.76 |
4.01 |
R |
0.045 |
0.055 |
1.15 |
1.39 |
S |
0.025 |
0.035 |
0.64 |
0.88 |
U |
0.145 |
0.155 |
3.69 |
3.93 |
V |
0.040 |
±±± |
1.02 |
±±± |
0.25 (0.010) M A M B M |
STYLE 1: |
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PIN 1. |
EMITTER |
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2. |
COLLECTOR |
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3. |
BASE |
CASE 77±08
TO±225AA TYPE
ISSUE V
Motorola Bipolar Power Transistor Device Data |
3 |
MJE521
Motorola reserves the right to make changes without further notice to any products herein. Motorola makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does Motorola 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 consequential or incidental damages. ªTypicalº parameters can and do vary in different applications. All operating parameters, including ªTypicalsº must be validated for each customer application by customer's technical experts. Motorola does not convey any license under its patent rights nor the rights of others. Motorola products are not designed, intended, or authorized for use as components in systems intended for surgical implant into the body, or other applications intended to support or sustain life, or for any other application in which the failure of the Motorola product could create a situation where personal injury or death may occur. Should Buyer purchase or use Motorola products for any such unintended or unauthorized application, Buyer shall indemnify and hold Motorola 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 Motorola was negligent regarding the design or manufacture of the part. Motorola and 
are registered trademarks of Motorola, Inc. Motorola, Inc. is an Equal Opportunity/Affirmative Action Employer.
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|
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◊ MJE521/D
*MJE521/D*