MOTOROLA
SEMICONDUCTOR TECHNICAL DATA
Order this document by BUV21/D
SWITCHMODE Series
NPN Silicon Power Transistor
. . . designed for high speed, high current, high power applications.
• High DC current gain:
hFE min. = 20 at IC = 12 A
• Low VCE(sat), VCE(sat) max. = 0.6 V at IC = 8 A Very fast switching times:
TF max. = 0.4 μs at IC = 25 A
MAXIMUM RATINGS
BUV21
40 AMPERES
NPN SILICON
POWER
METAL TRANSISTOR
200 VOLTS
250 WATTS
CASE 197A±05
TO±204AE
(TO±3)
Rating |
Symbol |
Value |
Unit |
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Collector±Emitter Voltage |
VCEO(sus) |
200 |
Vdc |
Collector±Base Voltage |
VCBO |
250 |
Vdc |
Emitter±Base Voltage |
VEBO |
7 |
Vdc |
Collector±Emitter Voltage (VBE = ±1.5 V) |
VCEX |
250 |
Vdc |
Collector±Emitter Voltage (RBE = 100 Ω) |
VCER |
240 |
Vdc |
Collector±Current Ð Continuous |
IC |
40 |
Adc |
Ð Peak (pw v 10 ms) |
ICM |
50 |
Apk |
Base±Current continuous |
IB |
8 |
Adc |
Total Power Dissipation @ TC = 25_C |
PD |
150 |
Watts |
Operating and Storage Junction Temperature Range |
TJ, Tstg |
± 65 to 200 |
_C |
THERMAL CHARACTERISTICS |
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Characteristic |
Symbol |
Max |
Unit |
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Thermal Resistance, Junction to Case |
θJC |
0.7 |
_C/W |
1.0
0.8
FACTOR |
0.6 |
DERATING |
0.4 |
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0.2 |
0
SWITCHMODE is a trademark of Motorola, Inc.
REV 7
40 |
80 |
120 |
160 |
200 |
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TC, TEMPERATURE (°C) |
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Figure 1. Power Derating
Motorola, Inc. 1995
BUV21
ELECTRICAL CHARACTERISTICS (TC = 25_C unless otherwise noted)
Characteristic |
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Symbol |
Min |
Max |
Unit |
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OFF CHARACTERISTICS1 |
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Collector±Emitter Sustaining Voltage |
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VCEO(sus) |
200 |
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Vdc |
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(IC = 200 mA, IB = 0, L = 25 mH) |
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Collector Cutoff Current at Reverse Bias: |
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ICEX |
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mAdc |
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(VCE = 250 V, VBE = ±1.5 V) |
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3.0 |
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(VCE = 250 V, VBE = ±1.5 V, TC = 125_C) |
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12.0 |
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Collector±Emitter Cutoff Current |
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ICEO |
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3.0 |
mAdc |
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(VCE = 160 V) |
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Emitter±Base Reverse Voltage |
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VEBO |
7 |
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V |
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(IE = 50 mA) |
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Emitter±Cutoff Current |
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IEBO |
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1.0 |
mAdc |
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(VEB = 5 V) |
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SECOND BREAKDOWN |
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Second Breakdown Collector Current with base forward biased |
IS/b |
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Adc |
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(VCE = 20 V, t = 1 s) |
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12 |
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(VCE = 140 V, t = 1 s) |
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0.15 |
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ON CHARACTERISTICS1 |
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DC Current Gain |
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hFE |
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(IC = 12 A, VCE = 2 V) |
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20 |
60 |
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(IC = 25 A, VCE = 4 V) |
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10 |
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Collector±Emitter Saturation Voltage |
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VCE(sat) |
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Vdc |
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(IC = 12 A, IB = 1.2 A) |
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0.6 |
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(IC = 25 A, IB = 3 A) |
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1.5 |
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Base±Emitter Saturation Voltage |
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VBE(sat) |
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1.5 |
Vdc |
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(IC = 25 A, IB = 3 A) |
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DYNAMIC CHARACTERISTICS |
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Current Gain ± Bandwidth Product |
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fT |
8.0 |
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MHz |
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(VCE = 15 V, IC = 2 A, f = 4 MHz) |
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SWITCHING CHARACTERISTICS (Resistive Load) |
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Turn-on Time |
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(IC = 25 A, IB1 = IB2 = 3 A, |
ton |
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1.0 |
μs |
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Storage Time |
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ts |
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1.8 |
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V = 100 V, R |
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= 4 Ω) |
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CC |
C |
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Fall Time |
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tf |
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0.4 |
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1 Pulse Test: Pulse Width v 300 μs, Duty Cycle v 2%. |
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2 |
Motorola Bipolar Power Transistor Device Data |
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40 |
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(A) |
10 |
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CURRENT |
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1 |
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,COLLECTOR |
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0.1 |
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C |
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I |
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1 |
10 |
100 |
200 |
VCE, COLLECTOR±EMITTER VOLTAGE (V)
Figure 2. Active Region Safe Operating Area
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2.0 |
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IC/IB = 8 |
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1.6 |
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(V) |
1.2 |
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VOLTAGE |
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0.8 |
VBE |
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V, |
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0.4 |
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VCE |
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0 |
10 |
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1 |
IC, COLLECTOR CURRENT (A)
Figure 3. ªOnº Voltages
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VCE = 100 V |
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IC/IB1 = 8 |
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3.0 |
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IB1 = IB2 |
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μs) |
2.0 |
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( |
1.0 |
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TIME |
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tS |
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t, |
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0.4 |
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0.3 |
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ton |
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0.2 |
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tF |
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0 |
5 |
10 |
15 |
20 |
25 |
IC, COLLECTOR CURRENT (A)
Figure 5. Resistive Switching Performance
BUV21
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.
The data of Figure 2 is based on TC = 25_C, TJ(pk) is variable depending on power level. Second breakdown
limitations do not derate the same as thermal limitations.
At high case temperatures, thermal limitations will reduce the power that can be handled to values less than the limitations imposed by second breakdown.
50 |
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VCE = 5 V |
40 |
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30 |
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20 |
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10 |
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0 |
1 |
10 |
100 |
IC, COLLECTOR CURRENT (A)
Figure 4. DC Current Gain
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VCC |
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10,000 μF |
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RC |
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IB2 |
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IB1 |
RB |
VCC = |
100 V |
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RC = |
4 Ω |
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RB = |
2.2 Ω |
RC ± RB: Non inductive resistances
Figure 6. Switching Times Test Circuit
Motorola Bipolar Power Transistor Device Data |
3 |
BUV21
PACKAGE DIMENSIONS
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A |
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N |
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C |
±T± |
SEATING |
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NOTES: |
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1. DIMENSIONING AND TOLERANCING PER ANSI |
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E |
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PLANE |
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Y14.5M, 1982. |
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D 2 PL |
K |
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2. CONTROLLING DIMENSION: INCH. |
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INCHES |
MILLIMETERS |
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0.30 (0.012) M |
T |
Q |
M |
Y |
M |
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DIM |
MIN |
MAX |
MIN |
MAX |
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U |
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A |
1.530 REF |
38.86 REF |
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±Y± |
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B |
0.990 |
1.050 |
25.15 |
26.67 |
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V |
L |
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C |
0.250 |
0.335 |
6.35 |
8.51 |
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2 |
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D |
0.057 |
0.063 |
1.45 |
1.60 |
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B |
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E |
0.060 |
0.070 |
1.53 |
1.77 |
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H |
G |
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G |
0.430 BSC |
10.92 BSC |
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1 |
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H |
0.215 BSC |
5.46 BSC |
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K |
0.440 |
0.480 |
11.18 |
12.19 |
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L |
0.665 BSC |
16.89 BSC |
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±Q± |
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N |
0.760 |
0.830 |
19.31 |
21.08 |
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0.25 (0.010) M |
T |
Y |
M |
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Q |
0.151 |
0.165 |
3.84 |
4.19 |
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U |
1.187 BSC |
30.15 BSC |
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V |
0.131 |
0.188 |
3.33 |
4.77 |
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STYLE 1: |
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PIN 1. BASE |
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2. EMITTER |
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CASE: COLLECTOR |
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CASE 197A±05
TO±204AE (TO±3)
ISSUE J
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.
How to reach us: |
|
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◊ BUV21/D
*BUV21/D*