


LT1121CST-3.3#TRPBF | |
|---|---|
DigiKey Part Number | LT1121CST-3.3#TRPBFTR-ND - Tape & Reel (TR) LT1121CST-3.3#TRPBFCT-ND - Cut Tape (CT) LT1121CST-3.3#TRPBFDKR-ND - Digi-Reel® |
Manufacturer | |
Manufacturer Product Number | LT1121CST-3.3#TRPBF |
Description | IC REG LIN 3.3V 150MA SOT-223-3 |
Manufacturer Standard Lead Time | 10 Weeks |
Customer Reference | |
Detailed Description | Linear Voltage Regulator IC Positive Fixed 1 Output 150mA SOT-223-3 |
Datasheet | Datasheet |
EDA/CAD Models | LT1121CST-3.3#TRPBF Models |
Category | Current - Quiescent (Iq) 50 µA |
Mfr | Current - Supply (Max) 14 mA |
Packaging Tape & Reel (TR) Cut Tape (CT) Digi-Reel® | PSRR 58dB (120Hz) |
Part Status Active | Control Features Enable |
Output Configuration | Protection Features Over Temperature, Reverse Polarity |
Output Type | Operating Temperature 0°C ~ 125°C |
Number of Regulators 1 | Mounting Type Surface Mount |
Voltage - Input (Max) 30V | Package / Case TO-261-4, TO-261AA |
Voltage - Output (Min/Fixed) 3.3V | Supplier Device Package SOT-223-3 |
Voltage Dropout (Max) 0.7V @ 150mA | Base Product Number |
Current - Output |
| Part Number | Manufacturer | Quantity Available | DigiKey Part Number | Unit Price | Substitute Type |
|---|---|---|---|---|---|
| LT1121CST-3.3#PBF | Analog Devices Inc. | 756 | 505-LT1121CST-3.3#PBF-ND | $10.51000 | Parametric Equivalent |
| LD1117S33CTR | STMicroelectronics | 20,846 | 497-1241-1-ND | $0.55000 | Similar |
| LD1117S33TR | STMicroelectronics | 22,140 | 497-1242-1-ND | $0.58000 | Similar |
| LM2937IMP-3.3/NOPB | Texas Instruments | 689 | LM2937IMP-3.3/NOPBCT-ND | $3.79000 | Similar |
| LM2937IMPX-3.3/NOPB | Texas Instruments | 94 | LM2937IMPX-3.3/NOPBCT-ND | $3.22000 | Similar |
| Quantity | Unit Price | Ext Price |
|---|---|---|
| 1 | $10.51000 | $10.51 |
| 10 | $8.10700 | $81.07 |
| 25 | $7.50480 | $187.62 |
| 100 | $6.84260 | $684.26 |
| 250 | $6.63848 | $1,659.62 |
| Quantity | Unit Price | Ext Price |
|---|---|---|
| 2,000 | $6.05109 | $12,102.18 |
| Unit Price without GST: | $10.51000 |
|---|---|
| Unit Price with GST: | $11.56100 |



