Product Overview
Samsung SPBWH1332S1BVC1BIB 3537 3V 1W Cool White Backlight Diode
Condition
Unused new old stock. Solder pads are clean and unmounted. Underside laser marking reads 371308C0 along the isolation channel. Evaluation: Visual inspection only. Function testing not performed.
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Product Overview
Samsung SPBWH1332S1BVC1BIB surface-mount light-emitting diode in a 3537 package. Engineered specifically for edge-lit and direct-lit LED TV backlight repair, this 3V emitter features a cool white spectrum and an asymmetric solder pad configuration with a large cathode footprint for heat dissipation.
Key Features
- Package footprint: 3537 SMD (3.5 mm x 3.7 mm x 0.8 mm)
- Nominal forward voltage: 3.0V to 3.6V (3.2V nominal)
- Forward current: 350 mA (500 mA pulse rating)
- Power dissipation: 1.0W to 1.25W
- Luminous output: 100 to 110 lumens at 350 mA
- Viewing angle: 120 degrees
- Polarity layout: Large pad cathode (-), smaller pad anode (+)
- Underside marking: 371308C0 along the contoured serpentine gap
Applications
- Reflowing single burnt-out emitters on Samsung LED TV backlight strips
- Bench repairs of commercial displays and edge-lit monitor arrays
- Custom high-efficiency task lights and custom cool white emitter arrays built on aluminum-core PCBs
Frequently Asked Questions
How do I identify the polarity on this diode?
The polarity is determined by the underside pad footprint. The larger solder pad functions as the cathode (-), while the smaller pad is the anode (+). The top face features the standard circular phosphor well.
Can this be soldered with a standard iron?
These surface-mount components are best reflowed onto aluminum substrate strips using a dedicated hot plate, hot air rework station, or low-temperature solder paste to avoid damaging the phosphor or casing.
Why buy exact-count diodes here rather than a bulk assortment from overseas?
Ordering from an open surplus lot lets you buy the exact count needed to repair a backlight assembly without waiting weeks for an overseas delivery or purchasing hundreds of unverified pieces. If you need spares for larger panel refits, more pieces cost less each, and the price-break table on this page shows what each quantity costs. Orders ship for an $8 flat rate, qualify for free shipping once the total reaches $28, and ship same or next business day from our Idaho warehouse.
The right pad geometry and voltage curve turn a dark LCD panel into a sharp picture again. Drop in the correct emitter, flow the solder, and put the television back into service.
