257AL

Mfr. #:: 257AL
Manufacturer:: ON Semiconductor
Description:: PoE transformer, for NSC LM5071, 3.3V, SMT, RoHS
Lifecycle:: New from this manufacturer.
Datasheet:: 257AL Datasheet
Delivery:: DHL FedEx Ups TNT EMS
Payment:: T/T Paypal Visa MoneyGram Western Union
ECAD Model:

Product Attribute
Attribute Value

Tags: 257A, 257

Service Guarantees

We guarantee 100% customer satisfaction.

Quality Guarantees

We provide 90-360 days warranty.

If the items you received were not in perfect quality, we would be responsible for your refund or replacement, but the items must be returned in their original condition.
Our experienced sales team and tech support team back our services to satisfy all our customers.

we buy and manage excess electronic components, including excess inventory identified for disposal.
Email us if you have excess stock to sell.

Email: info@omo-ic.com

Step1:
Vacuum Packaging with PL

Step2:
Anti-Static Bag

Step3:
Packaging Boxes

Market price

Part #	Mfg.	Description	Stock	Price
TX257A-LZ-0.28-25.000-3-4-TR DISTI # 2151-TX257A-LZ-0.28-25.000-3-4-TR-ND	Raltron Electronics Corporation	XTAL OSC TCXO 25MHZ 3.3V CMOS RoHS: Compliant Min Qty: 100 Container: Tape & Reel (TR)	On Order	1000:$6.2500 500:$6.7500 100:$7.0000
FSA1257AL8X DISTI # FSA1257AL8XCT-ND	ON Semiconductor	IC SWITCH DUAL SPST 8MICROPAK RoHS: Compliant Min Qty: 1 Container: Cut Tape (CT)	Limited Supply - Call
FSA1257AL8X DISTI # FSA1257AL8XDKR-ND	ON Semiconductor	IC SWITCH DUAL SPST 8MICROPAK RoHS: Compliant Min Qty: 1 Container: Digi-Reel®	Limited Supply - Call
RT7257ALZSP DISTI # 1028-1091-1-ND	Richtek Technology Corporation	IC REG BUCK ADJUSTABLE 3A 8SOP RoHS: Compliant Min Qty: 1 Container: Cut Tape (CT)	Limited Supply - Call
RT7257ALZSP DISTI # 1028-1091-6-ND	Richtek Technology Corporation	IC REG BUCK ADJUSTABLE 3A 8SOP RoHS: Compliant Min Qty: 1 Container: Digi-Reel®	Limited Supply - Call
TX257A-LZ-0.28-25.000-3-4-TR DISTI # 2151-TX257A-LZ-0.28-25.000-3-4-TRCT-ND	Raltron Electronics Corporation	XTAL OSC TCXO 25MHZ 3.3V CMOS RoHS: Compliant Min Qty: 1 Container: Cut Tape (CT)	Temporarily Out of Stock	50:$7.9750 10:$8.2500 1:$8.8000
TX257A-LZ-0.28-25.000-3-4-TR DISTI # 2151-TX257A-LZ-0.28-25.000-3-4-TRDKR-ND	Raltron Electronics Corporation	XTAL OSC TCXO 25MHZ 3.3V CMOS RoHS: Compliant Min Qty: 1 Container: Digi-Reel®	Temporarily Out of Stock	50:$7.9750 10:$8.2500 1:$8.8000
FSA1257AL8X DISTI # FSA1257AL8XTR-ND	ON Semiconductor	IC SWITCH DUAL SPST 8MICROPAK RoHS: Compliant Min Qty: 5000 Container: Tape & Reel (TR)	Temporarily Out of Stock	5000:$0.3240
RT7257ALZSP DISTI # 1028-1091-2-ND	Richtek Technology Corporation	IC REG BUCK ADJUSTABLE 3A 8SOP RoHS: Compliant Container: Tape & Reel (TR)	Temporarily Out of Stock
54F257ALM DISTI # 54F257ALM	Rochester Electronics LLC	- Bulk (Alt: 54F257ALM) Min Qty: 4 Container: Bulk	Americas - 0	40:$93.8900 20:$96.1900 12:$98.6900 8:$101.1900 4:$102.5900
54F257ALM/B DISTI # 54F257ALM/B	Rochester Electronics LLC	- Bulk (Alt: 54F257ALM/B) Min Qty: 3 Container: Bulk	Americas - 0	30:$146.8900 15:$150.5900 9:$154.3900 6:$158.3900 3:$160.4900
FSA1257AL8X DISTI # FSA1257AL8X	ON Semiconductor	Analog Switch Dual SPST 8-Pin MicroPak T/R - Tape and Reel (Alt: FSA1257AL8X) RoHS: Compliant Min Qty: 5000 Container: Reel	Americas - 0	50000:$0.2959 30000:$0.3029 20000:$0.3069 10000:$0.3109 5000:$0.3129
FSA1257AL8X DISTI # FSA1257AL8X	ON Semiconductor	Analog Switch Dual SPST 8-Pin MicroPak T/R - Bulk (Alt: FSA1257AL8X) Min Qty: 926 Container: Bulk	Americas - 0	9260:$0.3249 4630:$0.3329 2778:$0.3409 1852:$0.3499 926:$0.3549
5257AL DISTI # 77H6721	Thomas & Betts	TC 5257AL 2IN 90D LT NONINSUL CONN ROHS COMPLIANT: YES	0	100:$128.1000 50:$132.9300 25:$137.7700 10:$147.4300 1:$158.7100
FSA1257AL8X DISTI # 31K6854	ON Semiconductor	IC,ANALOG SWITCH,DUAL,SPST,CMOS,LLCC,8PIN,PLASTIC	0	30000:$0.3100 18000:$0.3240 12000:$0.3480 6000:$0.3720 3000:$0.4040 1:$0.4130
FSA1257AL8X DISTI # 512-FSA1257AL8X	ON Semiconductor	Analog Switch ICs FINISHED GOOD RoHS: Compliant	8000	1:$0.9000 10:$0.7440 100:$0.4800 1000:$0.3840 5000:$0.3250 10000:$0.3130 25000:$0.3000
DA2257-ALB DISTI # 994-DA2257-ALB	Coilcraft Inc	Audio Transformers / Signal Transformers DA2257 PoE Trnsfmr For TI LM5071/72 RoHS: Compliant	330	1:$3.9200 10:$3.5300 50:$3.1400 100:$2.7400 175:$2.4700 350:$2.2700 875:$2.1100
DA2257-ALD DISTI # 994-DA2257-ALD	Coilcraft Inc	Audio Transformers / Signal Transformers DA2257 PoE Trnsfmr For TI LM5071/72 RoHS: Compliant	179	1:$3.9200 10:$3.5300 50:$3.1400 100:$2.7400 175:$2.4700 350:$2.2700 875:$2.1100
FSA1257AL8X	Fairchild Semiconductor Corporation	SPST, 2 Func, 1 Channel, CMOS RoHS: Compliant	17340	1000:$0.3600 500:$0.3700 100:$0.3900 25:$0.4100 1:$0.4400
54LS257ALMQB	National Semiconductor Corporation	Multiplexer, LS Series, 4-Func, 2 Line Input, 1 Line Output, True Output, TTL, CQCC20 RoHS: Not Compliant	431	1000:$3.5300 500:$3.7100 100:$3.8600 25:$4.0300 1:$4.3400
54F257ALM	Rochester Electronics LLC	MUX	0	1000:$102.6300 500:$108.0300 100:$112.4700 25:$117.2900 1:$126.3200
54F257ALM/B	Rochester Electronics LLC	MUX	0	1000:$160.5300 500:$168.9700 100:$175.9200 25:$183.4600 1:$197.5700
257AL	LSI Corporation		62
257AL	AT&T		11
M5M4257AL-12	Mitsubishi Electric		1750	2:$2.8000 10:$1.8200 29:$1.4000 91:$1.3068 193:$1.2132 393:$1.1480
DA2257-ALD	Coilcraft Inc		169
FSA1257AL8X	Fairchild Semiconductor Corporation		5715	9:$0.6000 35:$0.3900 130:$0.2250 446:$0.1920 965:$0.1680 2293:$0.1560
DA2257-ALB	Coilcraft Inc	PoE transformer, for NSC LM5071, 3.3V, SMT, RoHS RoHS: Compliant	11496	1:$2.4200 175:$2.0700 700:$1.8700 1400:$1.5700 2800:$1.4000 5000:$1.2700
DA2257-AL	Coilcraft Inc	PoE transformer, for NSC LM5071, 3.3V, SMT, RoHS RoHS: Compliant	11496	1:$2.4200 175:$2.0700 700:$1.8700 1400:$1.5700 2800:$1.4000 5000:$1.2700
DA2257-ALD	Coilcraft Inc	PoE transformer, for NSC LM5071, 3.3V, SMT, RoHS RoHS: Compliant	11496	1:$2.4200 175:$2.0700 700:$1.8700 1400:$1.5700 2800:$1.4000 5000:$1.2700
DA2257-ALB DISTI # 2457963	Coilcraft Inc	TRANSFORMER, FLYBACK, LM5071/LM5072, SMD	321	50:£2.1700 25:£2.4800 10:£2.7900 5:£3.3400 1:£3.7400
DA2257-ALB DISTI # 2457963RL	Coilcraft Inc	TRANSFORMER, FLYBACK, LM5071/LM5072, SMD RoHS: Compliant	0	200:$3.9500 100:$4.1900 50:$4.5700 10:$5.1600 1:$5.5800
DA2257-ALB DISTI # 2457963	Coilcraft Inc	TRANSFORMER, FLYBACK, LM5071/LM5072, SMD RoHS: Compliant	261	200:$3.9500 100:$4.1900 50:$4.5700 10:$5.1600 1:$5.5800
RT7257ALZSP DISTI # 2362955	Richtek Technology Corporation	RoHS: Compliant	0	1000:$0.5520 500:$0.5840 250:$0.6750 100:$0.7990 25:$0.9790 1:$1.1200
5257AL DISTI # 000000000000526581	Thomas & Betts	Fittings Connector 2in Aluminum	0	1:$148.7300 3:$142.1600 6:$138.1100 12:$134.2700

Image	Part #	Description
	Mfr.#: 25AA256T-E/SM OMO.#: OMO-25AA256T-E-SM	EEPROM 256k, 32K X 8, 1.8V SER EE EXT
	Mfr.#: 2512R-273J OMO.#: OMO-2512R-273J	Fixed Inductors 27uH 5% 3.7ohm Molded SMT Inductor
	Mfr.#: 25SVF56M OMO.#: OMO-25SVF56M	Aluminum Organic Polymer Capacitors 56uf 25volts 2.8A OS-CON Polymer
	Mfr.#: 2508051217Y3 OMO.#: OMO-2508051217Y3	Ferrite Beads MultLyr Chip Bead 120ohm 0805 3000mA
	Mfr.#: 25L4005AMC-12G OMO.#: OMO-25L4005AMC-12G-1190	New and Original
	Mfr.#: 25YXF221M8X11.5 OMO.#: OMO-25YXF221M8X11-5-1190	New and Original
	Mfr.#: 2534-08K OMO.#: OMO-2534-08K-API-DELEVAN	FIXED IND 220UH 265MA 2.4 OHM TH
	Mfr.#: 2504886-1 OMO.#: OMO-2504886-1-1190	New and Original
	Mfr.#: 2575SI OMO.#: OMO-2575SI-1190	New and Original
	Mfr.#: 257S050CL-370 OMO.#: OMO-257S050CL-370-1190	New and Original

257AL

Step1:Vacuum Packaging with PL

Step2:Anti-Static Bag

Step3:Packaging Boxes

Step1:
Vacuum Packaging with PL

Step2:
Anti-Static Bag

Step3:
Packaging Boxes