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6.2 × 3.5 mm 4 pins top-emitting

WS2812B-MINI-V3J

3535 · smd · WS2812B-V5 · WorldSemi

1-wire RGB 3.7–5.3 V active

Also sold as WS2812B MINI V3J

At a glance

Colour
RGB8 bits per channel
Data
1-wiretimed pulses on one line
Supply ≠
3.7–5.3 Vno backup data line
Size
6.2 × 3.5 × 1.6 mm4 pins · top
Max current
36 mA12 mA per channel
PWM
2 kHzreset 280 µs
Library support
FastLED WLED Adafruit

Datasheets disagree

The sources we hold state different values for the facts below. Rather than pick one quietly, both sides are listed with where each was read. Check the datasheet for the exact part number and revision you are buying. How this is shown.

Protocol WS2812B-V5

Supply voltage

V5 and V6/V7 state different supply ranges, so the minimum depends on which revision you have.

What each source says about supply voltage
SourceSaysPage
ws2812b-v5-c114586 VDD +3.7 to +5.3 V 2
ws2812b-v6-c52917433 VDD +3.3 to +5.3 V 3
ws2812b-v7-c55109525 VDD +3.3 to +5.3 V 3

What we show. 3.7 V (the V5 sheet) is shown because it is the safer minimum; V6 and V7 variants state 3.3 V on their own sheets.

The J (“gull-wing”) version of the 3535 mini: same 5050 pin order, but the four leads extend straight out of the sides, giving a 6.2 mm overall length, rather than being tucked under. Hand-solderable. Operating junction temperature is -25 to +65 C in this sheet.

Variants

One row per orderable SKU. Everything not listed is inherited from the part above.

Order codeFaceLensWhite PinsSiliconStatusFirst seenDatasheet
WS2812B-MINI-V3J — — — 4 V3J active 2018-10-01 PDF
Stock 55,205 when checked.

Pinout

WS2812B-MINI-V3J
WS2812B-MINI-V3J 3535 package, top and side viewPin 1 is ringed. pin 1 VDD (power), pin 2 DOUT (data out), pin 3 VSS (ground), pin 4 DIN (data in).11 VDDpower22 DOUTdata out33 VSSground44 DINdata in6.2 mm overall3.5 mmtop view1.6 mmside view
  • Power
  • Data
  • Ground
  • Pin 1
  • Cut corner

Outline and pin positions checked against the manufacturer datasheet (C22371519 sheet p2). Lead length and row spacing are approximate. What this means.

  1. 1 VDD power
  2. 2 DOUT data out
  3. 3 VSS ground
  4. 4 DIN data in

Protocol — WS2812B-V5

Timings shown from datasheet. Other sources disagree; see the protocol page.

WS2812B-V5 bit timingWS2812B-V5 bit timing: a zero bit is 300 nanoseconds high then 790 low; a one bit is 790 high then 790 low; reset 280 microseconds low1 · Bit encoding, to scaleDINhighlowbit 0 period 1090 nsbit 1 period 1580 nsT0H 300 nsT1H 790 nsT0L 790 nsT1L 790 ns"0" bit"1" bit02505007501000125015001750200022502500time, nsDatasheet lists unequal bit periods (1090 vs 1580 ns); each bit is drawn with its own.2 · One frame: 24 bits, most-significant bit firstDIN170110010007100110101700101100bitG · 8 bitsR · 8 bitsB · 8 bitsWire order GRB · frame = 24 × ~1580 ns ≈ 37.9 µs · example data, first bits 1 0 1 …3 · RESET / latchlast bits of frame 1first bits of frame 2LEDs latch the data they receivedRESET: DIN low ≥ 280 µs (not to scale)4 · Cascade: each DOUT feeds the next DINMCULED 1DINDOUTLED 2DINDOUTLED NDINDOUTLED 1 keeps the first 24 bits, re-shapes the signal and sends the rest out on DOUT;LED 2 keeps the next 24, and so on. The last LED's DOUT is left unconnected.
T0H 300 / T0L 790 · T1H 790 / T1L 790 ns · reset 280 µs source: datasheet

Compatibility

  • near clone WS2812B

    Same package, pinout and command set, but the reset/latch period is extended to more than 280 us (V5, V6 and V7 sheets; FastLED also uses 280 us). Code written against the old 50 us figure can glitch. This is the most common cause of "my new reel of the same part flickers". source ↗

  • protocol compatible of this AOP single-wire IC (high speed mode, 280 us reset)

    T0H 220-380 ns, T0L 580-1000 ns, T1H 580-1000 ns and a 280 us reset are the windows the ws2812b-v5 protocol records; the AOP T1L window is wider (0.22-1.0 us against 580 ns-1 us). The sheets never mention WorldSemi.

  • near clone of this WS2812D-V6

    Same 280 us reset, 2 kHz scan frequency and the same T0H window (220-380 ns) as the WS2812B-V5, whose sheet the catalogue now holds. The V6 dome's T1L window is SHORT (220-380 ns) where the V5's is 580 ns to 1 us (and its T1H and T0L windows are 750 ns to 1 us against the V5's 580 ns to 1 us), so it is not the same timing table. The windows overlap, so a V5 driver may work, but that is not a tested claim.

  • protocol compatible of this WS2812E

    Identical datasheet timing windows, pin count (4) and supply range. Independent measurement has not been done; E and B differ in IC drive current (12-12.5 mA) and packages (the E exists in 1313, 2020, 2427, 3535-class MINI and 4020).

Dating evidence

Nobody announces these parts, so this records what we can actually cite rather than a release date. Library support proves only that the part existed by that date.

  • 2018-10-01 datasheet revision WorldSemi WS2812B-Mini-V3J datasheet Modify Record: V1.0 "New" ↗ day
  • 2019-02-19 datasheet revision WorldSemi WS2812B Ver. No.: V5 datasheet (LCSC C114586) Modify Record: 'V1.0 N New WS2812B - V5 20190219'; the sheet reaches V5.0 on 2019-03-23 ↗ day
  • 2024-08-31 first library support FastLED — first commit introducing WS2812B-V5 ↗ day

Where to buy

Stub data — a few rows so purchase links can grow later. Prices are not tracked.

Similar parts

Same protocol or package first, then the same data scheme and colour channels.

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