LESHAN RADIO COMPANY, LTD.
SEMICONDUCTOR
TECHNICAL DATA
MMBZ5221BLT1
SERIES
225 mW SOT-23
225mW
Zener Voltage Regulator Diodes
GENERAL DATA APPLICABLE TO ALL
SERIES IN THIS GROUP
SOT-23
3
1
Cathode
Anode
Zener Voltage
Regulator Diodes
3
1
2
MAXIMUM CASE TEMPERATURE FOR SOLDERING
CASE 318–07, STYLE 8
SOT– 23 (TO–236AB)
PLASTIC
PURPOSES: 260°C for 10 seconds
THERMALCHARACTERISTICS
Characteristic
Symbol
Max
Unit
Total Device Dissipation FR-5 Board*
TA = 25°C
PD
225
mW
Derate above 25°C
1.8
556
300
mW/°C
°C/W
mW
Thermal Resistance Junction to Ambient
Total Device Dissipation
R θJA
PD
Alumina Substrate,** TA = 25°C
Derate above 25°C
2.4
417
150
mW/°C
°C/W
°C
Thermal Resistance Junction to Ambient
Junction and Storage Temeprature
**FR-5 = 1.0 x 0.75 x 0.62 in.
**Alumina = 0.4 x 0.3 x 0.024 in. 99.5% alumina.
R θJA
TJ , Tstg
J1–1/5
LRC [ LESHAN RADIO COMPANY ]
