MMBZ5221BLT1 Series
Zener Voltage Regulators
225 mW SOT−23 Surface Mount
This series of Zener diodes is offered in the convenient, surface mount plastic SOT−23 package. These devices are designed to provide voltage regulation with minimum space requirement. They are well suited for applications such as cellular phones, hand held portables, and high density PC boards.
Features
• Pb−Free Packages are Available
• 225 mW Rating on FR−4 or FR−5 Board
• Zener Voltage Range − 2.4 V to 91 V
• Package Designed for Optimal Automated Board Assembly
• Small Package Size for High Density Applications
• ESD Rating of Class 3 (>16 KV) per Human Body Model
Mechanical Characteristics
CASE: Void-free, transfer-molded, thermosetting plastic case
FINISH: Corrosion resistant finish, easily solderable
MAXIMUM CASE TEMPERATURE FOR SOLDERING PURPOSES: 260°C for 10 Seconds
POLARITY: Cathode indicated by polarity band
FLAMMABILITY RATING: UL 94 V−0
MAXIMUM RATINGS
| Rating | Symbol | Max | Unit |
| Total Power Dissipation on FR−5 Board, (Note 1) @ TA = 25°C Derated above 25°C | PD | 225 1.8 | mW mW/°C |
| Thermal Resistance, Junction−to−Ambient | RθJA | 556 | °C/W |
| Total Power Dissipation on Alumina Substrate, (Note 2) @ TA = 25°C Derated above 25°C | PD | 300 2.4 | mW mW/°C |
| Thermal Resistance, Junction−to−Ambient | RθJA | 417 | °C/W |
| Junction and Storage Temperature Range | TJ, Tstg | −65 to +150 | °C |
Maximum ratings are those values beyond which device damage can occur. Maximum ratings applied to the device are individual stress limit values (not normal operating conditions) and are not valid simultaneously. If these limits are exceeded, device functional operation is not implied, damage may occur and reliability may be affected.
1. FR−5 = 1.0 X 0.75 X 0.62 in.
2. Alumina = 0.4 X 0.3 X 0.024 in, 99.5% alumina.
Stock Offer (Hot Sell)
| Part No. | Quantity | Brand | D/C | Package |
| LT1933ES6 | 2520 | LT | 16+ | SOT23-6 |
| LT1963AEQ-3.3 | 4329 | LINEAR | 15+ | TO-263 |
| LT3008ETS8 | 18224 | LT | 16+ | SOT23-8 |
| LT3086EFE | 4480 | LT | 16+ | TSSOP |
| LT3494EDDB | 6707 | LINEAR | 15+ | DFN-8 |
| LT4363IMS-2 | 3550 | LINEAR | 14+ | MSOP |
| LT5534ESC6#TRPBF | 3101 | LINEAR | 15+ | SC70-6 |
| LT6100IMS8 | 6678 | LINEAR | 16+ | MSOP-8 |
| LT6108IMS8-2 | 5119 | LT | 16+ | MSOP-8 |
| LTC1452IS8#TRPBF | 1457 | LINEAR | 10+ | SOIC |
| LTC1535CSW | 3037 | LT | 10+ | SOP-28 |
| LTC1545CG | 1704 | LINEAR | 00+ | SSOP-36 |
| LTC1546CG | 2661 | LINEAR | 04+ | SSOP |
| LTC1877EMS8#PBF | 1638 | LT | 15+ | MSOP-8 |
| LTC2050CS5#TR | 15318 | LINEAR | 01+ | SOT23-5 |
| LTC2924IGN | 3108 | LT | 16+ | SSOP-16 |
| LTC2955ITS8-2 | 1861 | LINEAR | 16+ | SOT23-8 |
| LTC3112EDHD | 3059 | LT | 16+ | QFN16 |
| LTC3371EUHF#PBF | 2317 | LINEAR | 14+ | QFN |
| LTC3406ES5-1.5#TRPBF | 9278 | LINEAR | 10+ | SOT23-5 |
| LTC3454EDD | 3010 | LT | 13+ | DFN-10 |
| LTC3545EUD-1#TRPBF | 2652 | LINEAR | 13+ | QFN16 |
| LTC3621EMS8E | 3150 | LINEAR | 13+ | MSOP-8 |
| LTC3631IMS8E | 2803 | LT | 16+ | MSOP-8 |
| LTC3789EUFD | 2385 | LINEAR | 16+ | QFN |
| LTC3850EGN#TRPBF | 18295 | LINEAR | 13+ | SSOP-28 |
| LTC3850EUF | 7490 | LINEAR | 15+ | QFN |
| LTC3851EGN | 3121 | LINEAR | 15+ | SSOP |
| LTC4011CFE | 4687 | LINEAR | 08+ | TSSOP-20 |
| LTC4054ES5-4.2 | 6539 | LT | 16+ | SOT23-5 |
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