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Part Manufacturer Description Last Check Distributor Ordering
SPX3940AM3-2.5 Exar VOLTAGE REGULATOR 1,234 from $0.39 (Oct 2016) Quest Components Buy
SPX3940AM3-3.3 Exar 1.0A LOW DROPOUT VOLTAGE REGULATOR 7,376 from $0.3520 (Oct 2016) Quest Components Buy
SPX3940AM3-L-1-8 Exar LDO Regulator Pos 1.8V 1A 4-Pin(3+Tab) SOT-223 4 from $1.2520 (Oct 2016) Arrow Electronics Buy
SPX3940AM3-L-1-8 Exar LDO Regulator Pos 1.8V 1A 4-Pin(3+Tab) SOT-223 97 from $1.27 (Nov 2016) Chip1Stop Buy
SPX3940AM3-L-1-8 Exar IC REG LDO 1.8V 1A SOT223 7 from $1.4420 (Oct 2016) Digi-Key Buy
SPX3940AM3-L-1-8 Exar SPX3940 Series 1.8 V Fixed Output 1 A SMT LDO Voltage Regulator - SOT-223 from $0.67 (Aug 2016) Future Electronics Buy
SPX3940AM3-L-1-8 Exar LDO Voltage Regulators 1.0A LW DROPOUT VLT 1.5A PEAK OUTPT CURR 214 from $0.6420 (Oct 2016) Mouser Electronics Buy
SPX3940AM3-L-1-8/MTR Exar IC VOLT REG LDO 1.0A SOT223-3 from $1.03 (Oct 2016) Digi-Key Buy
SPX3940AM3-L-1-8/MTR Exar LDO Voltage Regulators 1.0A Low Dropout Voltage Regulator from $0.6420 (Oct 2016) Mouser Electronics Buy
SPX3940AM3-L-1-8/MTR Exar - from $0.87 (Nov 2016) Newark element14 Buy
SPX3940AM3-L-1-8/TR Exar IC REG LDO 1.8V 1A SOT223 from $0.6953 (Oct 2016) Digi-Key Buy
SPX3940AM3-L-1-8/TR Exar SPX3940 Series 1.8 V Fixed Output 1 A SMT LDO Voltage Regulator - SOT-223 T/R from $0.3650 (Nov 2016) Future Electronics Buy
SPX3940AM3-L-1-8/TR Exar LDO Voltage Regulators 1.0A LW DROPOUT VLT 1.5A PEAK OUTPT CURR from $0.6420 (Oct 2016) Mouser Electronics Buy
SPX3940AM3-L-2-5 Exar LDO Regulator Pos 2.5V 1A 4-Pin(3+Tab) SOT-223 621 from $0.6452 (Oct 2016) Arrow Electronics Buy
SPX3940AM3-L-2-5 Exar LDO Regulator Pos 2.5V 1A 4-Pin(3+Tab) SOT-223 616 from $0.7450 (Nov 2016) Chip1Stop Buy
SPX3940AM3-L-2-5 Exar IC REG LDO 2.5V 1A SOT223 63 from $1.4420 (Nov 2016) Digi-Key Buy
SPX3940AM3-L-2-5 Exar SPX3940 Series 2.5 V Fixed Output 1 A SMT LDO Voltage Regulator - SOT-223 from $0.3750 (Oct 2016) Future Electronics Buy
SPX3940AM3-L-2-5 Exar LDO Voltage Regulators 1.0A LW DROPOUT VLT 1.5A PEAK OUTPT CURR 217 from $0.6420 (Oct 2016) Mouser Electronics Buy
SPX3940AM3-L-2-5 Exar LDO Regulator Pos 2.5V 1A 4-Pin(3+Tab) SOT-223 616 from $0.7538 (Oct 2016) Verical Buy
SPX3940AM3-L-2-5/MTR Exar IC VOLT REG LDO 1.0A SOT S03 from $1.03 (Oct 2016) Digi-Key Buy

SPX3940AM3-1-8 Datasheet

Part Manufacturer Description PDF Type Ordering
SPX3940AM3-1.8 Sipex 1A Low Dropout Voltage Regulator, 1%
ri

11 pages,
198.86 Kb

Original Buy
datasheet frame
SPX3940AM3-1.8/TR Sipex 1A Low Dropout Voltage Regulator, 1%
ri

11 pages,
198.86 Kb

Original Buy
datasheet frame

SPX3940AM3-1-8

Catalog Datasheet MFG & Type PDF Document Tags
Abstract: . P Part Number SPX3940AM3-1.8 SPX3940AM3-2 SPX3940AM3-2.5 SPX3940AM3-3 SPX3940AM3-3.3 SPX3940AM3-5 SPX3940AM3-5.0 SPX3940AU-1 SPX3940AU-1.8 SPX3940AU SPX3940AU ... Sipex
Original
datasheet

2 pages,
24.79 Kb

regulator fixed 1.8v low drop out voltage regulator sot-223 SPX3940 SPX3940A LM3940 TEXT
datasheet frame
Abstract: -1-8 SPX2940T-L-1-8 SPX2940T-L-1-8 SPX2940U-1-8 SPX2940U-1-8 SPX2940U-L-1-8 SPX2940U-L-1-8 SPX3940AM3-1-8 SPX3940AM3-L-1-8 SPX3940AM3-L-1-8 SPX3940AT-1-8 SPX3940AT-1-8 SPX3940AT-L SPX3940AT-L ... Sipex
Original
datasheet

3 pages,
92.4 Kb

SPX3940AM3-L-1-8 SPX3940AM3-1-8 SPX29150U-3-3 SPX29150T-1-8 SPX2940U-5-0 SPX2940T-5-0 SPX29152U5 MS1131 TEXT
datasheet frame
Abstract: % 5.0V 3 lead TO-263 SPX3940T-5-0/TR SPX3940T-5-0/TR 2% 5.0V 3 lead TO-263 SPX3940AM3-1-8 1% 1.8V 3 lead SOT-223 SPX3940AM3-1-8/TR 1% 1.8V 3 lead SOT-223 SPX3940AM3-2-5 SPX3940AM3-2-5 1% 2.5V ... Sipex
Original
datasheet

11 pages,
153.2 Kb

SPX3940AU-3-3 Spx3940A SPX3940 SPX29300 LM3940 RM8 ferrite core SPX3940A TEXT
datasheet frame
Abstract: 3 lead TO-263 SPX3940AM3-1.8 1% 1.8V 3 lead SOT-223 SPX3940AM3-1.8/TR 1% 1.8V ... Sipex
Original
datasheet

11 pages,
198.85 Kb

SPX3940A SPX3940 SPX29300 LM3940 IL43 computer smps circuit diagram TEXT
datasheet frame
Abstract: -5-0 SPX385N-2-5 SPX385N-2-5 SPX385N-2-5/TR SPX385N-2-5/TR SPX385S-1-2 SPX385S-1-2 SPX3940AM3-1-8 SPX3940AM3-1-8/TR SPX3940AM3-2-5 SPX3940AM3-2-5 SPX3940AM3 SPX3940AM3 ... Exar
Original
datasheet

12 pages,
48.09 Kb

1N478A.TR TEXT
datasheet frame
Abstract: -1.8 SPX3940U-2 SPX3940U-2.5 SPX3940U-3 SPX3940U-3.3 SPX3940U-5 SPX3940U-5.0 SPX3940T-1 SPX3940T-1.8 SPX3940T-2 SPX3940T-2.5 SPX3940T-3 SPX3940T-3.3 SPX3940T-5 SPX3940T-5.0 SPX3940AM3-1.8 ... Sipex
Original
datasheet

8 pages,
153.47 Kb

SP3940 SPX3940 SPX3940A LM3940 TEXT
datasheet frame
Abstract: -2.5 SPX3940U-3 SPX3940U-3.3 SPX3940U-5 SPX3940U-5.0 SPX3940T-1 SPX3940T-1.8 SPX3940T-2 SPX3940T-2.5 SPX3940T-3 SPX3940T-3.3 SPX3940T-5 SPX3940T-5.0 SPX3940AM3-1.8 SPX3940AM3 SPX3940AM3 ... Sipex
Original
datasheet

10 pages,
92.17 Kb

SPX3940 SPX3940A LM3940 TEXT
datasheet frame
Abstract: % 3.3V 3 lead TO-263 SPX3940T-5 SPX3940T-5.0 2% 5.0V 3 lead TO-263 SPX3940AM3-1.8 1% 1.8V ... Sipex
Original
datasheet

10 pages,
71.63 Kb

SPX3940A SPX29300 SP3940 LM3940 SPX3940 TEXT
datasheet frame
Abstract: -1.8 SPX3940U-2 SPX3940U-2.5 SPX3940U-3 SPX3940U-3.3 SPX3940U-5 SPX3940U-5.0 SPX3940T-1 SPX3940T-1.8 SPX3940T-2 SPX3940T-2.5 SPX3940T-3 SPX3940T-3.3 SPX3940T-5 SPX3940T-5.0 SPX3940AM3-1.8 ... Sipex
Original
datasheet

7 pages,
242.02 Kb

low drop out voltage regulator sot-223 SPX3940 SPX3940A LM3940 TEXT
datasheet frame
Abstract: -1.8 SPX3940U-2 SPX3940U-2.5 SPX3940U-3 SPX3940U-3.3 SPX3940U-5 SPX3940U-5.0 SPX3940T-1 SPX3940T-1.8 SPX3940T-2 SPX3940T-2.5 SPX3940T-3 SPX3940T-3.3 SPX3940T-5 SPX3940T-5.0 SPX3940AM3-1.8 ... Sipex
Original
datasheet

9 pages,
242.84 Kb

low drop out voltage regulator sot-223 SPX3940 SPX3940A LM3940 TEXT
datasheet frame

Exar Cross Reference Results

Exar Part Industry Part Manufacturer Type Description Comments Function Pin Compatible
SPX3940AM3-1-8 Buy LT1963EST-1.8 Buy Linear Technology Similar Part 1A Low Dropout Voltage Regulator, fixed Output, Fast Response No No

On Semiconductor Cross Reference Results

On Semiconductor Part Industry Part Manufacturer Type
NCP566ST18T3G Buy SPX3940AM3-1-8 Buy Exar Close
NCP566ST18T3G Buy SPX3940AM3-1-8/TR Buy Exar Close