BETAForward voltage1.85–3.3 V typical at 20 mA · red to white
Through-hole indicator LED · Kingbright WP7113 family
LED (5 mm) Specifications
Review LED (5 mm) electrical specifications, operating conditions and package details.
Key specifications
Choose the current first (5–20 mA for an indicator), then the resistor from the supply and the colour’s forward voltage. Without a resistor the current is limited only by the supply and the LED burns out.
Continuous forward current30 mA maximum · green 25 mA
Reverse voltage5 V maximum · never use it as a rectifier
Junction limit115 °C · green 110 °C
Package details
WP7113QBC/D · T-1¾ (5 mm)
| Property | Details |
|---|---|
| Manufacturer | Kingbright |
| Part number | WP7113QBC/D |
| Package | T-1¾ (5 mm) |
| Connections | 2 pins |
| Mounting | Through-hole |
| Lead pitch | 2.54 mm |
| Package code | T-1¾ |
| Thermal reference | RθJ-A 570–610 °C/W on FR4, by colour |
Selected family and polarity
Manufacturer scope and page conventions
Manufacturer specifications 6 parameters
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| Parameter | Value | Conditions / notes |
|---|---|---|
| Reference family | Kingbright WP7113, 5 mm (T-1¾) | One product specification per colour |
| Parts | WP7113SRC/DU red · SGD green · SYD yellow · QBC/D blue · QWC/D white | One package; the 3D view shows the blue part |
| Anode | Long lead · pin 1 · pad A | Conventional current enters here |
| Cathode | Short lead, flat on the flange · pin 2 · pad K | Connect toward ground |
| Lens | Ø5.0 mm, water clear or diffused by part | Viewing angle 20–30° (2θ½) |
| Lead spacing | 2.54 mm | 0.5 mm square leads |
No specifications match. Try a parameter name or a unit.
Polarity is marked twice: the shorter lead and the flat. Trim the leads only after noting the anode.
The five colours
Typical at 20 mA and 25 °C unless stated
Manufacturer specifications 5 parameters
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| Colour | Part | Vf typ / max (V) | IF max (mA) | Peak IF (mA) | PD (mW) | Iv typ (mcd) | λdom (nm) | 2θ½ (°) | Chip |
|---|---|---|---|---|---|---|---|---|---|
| Red | WP7113SRC/DU | 1.85 / 2.5 | 30 | 155 | 75 | 1300 | 640 | 20 | GaAlAs |
| Green | WP7113SGD | 2.2 / 2.5 | 25 | 140 | 62.5 | 40 | 568 | 30 | GaP |
| Yellow | WP7113SYD | 2 / 2.5 | 30 | 150 | 75 | 1200 | 590 | 30 | AlGaInP |
| Blue | WP7113QBC/D | 3.3 / 4 | 30 | 150 | 120 | 4500 | 465 | 20 | InGaN |
| White | WP7113QWC/D | 3.3 / 4 | 30 | 150 | 120 | 3600 | x 0.31, y 0.31 | 20 | InGaN + phosphor |
No specifications match. Try a parameter name or a unit.
Peak IF: 1/10 duty cycle, 0.1 ms pulse. Luminous intensity ±15 %. ProTech’s LED colour presets take exactly these values.
Absolute maximum ratings
At 25 °C · stress limits, not operating conditions
Manufacturer specifications 7 parameters
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| Parameter | Value | Conditions / notes |
|---|---|---|
| Continuous forward current | 30 mA (green 25 mA) | Derate above about 25 °C to about 5 mA at 85 °C |
| Peak forward current | 140–155 mA by colour | 1/10 duty cycle, 0.1 ms pulse |
| Power dissipation | 75 mW red and yellow · 62.5 mW green · 120 mW blue and white | PD at 25 °C |
| Reverse voltage | 5 V | IR ≤ 10 µA red, green, yellow; ≤ 50 µA blue, white |
| Junction temperature | 115 °C (green 110 °C) | Maximum |
| Operating and storage temperature | −40 to +85 °C | Ambient |
| Electrostatic discharge (HBM) | 3 kV red, yellow · 8 kV green · 250 V blue, white | Handle InGaN parts with ESD care |
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Exceeding any one of these can damage the LED even if the others are respected.
Electrical and thermal characteristics
Typical unless stated
Manufacturer specifications 6 parameters
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| Parameter | Value | Conditions / notes |
|---|---|---|
| Forward voltage temperature coefficient | −1.9 to −2 mV/°C red, green, yellow · −3 mV/°C blue, white | Vf falls as the junction heats |
| Thermal resistance, junction to ambient | 580 red · 590 green, yellow · 610 blue · 570 white °C/W | On FR4 |
| Luminous intensity tolerance | ±15 % | At 20 mA |
| Brightness against current | Roughly proportional | Within the rated current; efficiency falls when hot |
| Reverse current | ≤ 10 µA (red, green, yellow) · ≤ 50 µA (blue, white) | VR = 5 V |
| Self-heating example | 26 mW × 580 °C/W ≈ 15 °C rise | Red at 14.3 mA, 1.85 V |
No specifications match. Try a parameter name or a unit.
Forward voltage spreads between parts of the same colour; never wire LEDs in parallel without a resistor each.
Series resistor from a 5 V pin
R = (5 V − Vf) / I
Manufacturer specifications 9 parameters
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| Parameter | Value | Conditions / notes |
|---|---|---|
| Red at 20 mA | 160 Ω (E24) | (5 − 1.85) / 0.020 = 157.5 Ω, next E24 value above |
| Green at 20 mA | 150 Ω (E24) | (5 − 2.2) / 0.020 = 140 Ω, next E24 value above |
| Yellow at 20 mA | 150 Ω (E24) | (5 − 2) / 0.020 = 150 Ω, next E24 value above |
| Blue at 20 mA | 91 Ω (E24) | (5 − 3.3) / 0.020 = 85 Ω, next E24 value above |
| White at 20 mA | 91 Ω (E24) | (5 − 3.3) / 0.020 = 85 Ω, next E24 value above |
| Red with 220 Ω | 14.3 mA | (5 − 1.85) / 220 Ω, typical Vf |
| Green with 220 Ω | 12.7 mA | (5 − 2.2) / 220 Ω, typical Vf |
| Yellow with 220 Ω | 13.6 mA | (5 − 2) / 220 Ω, typical Vf |
| Blue and white with 220 Ω | 7.7 mA | (5 − 3.3) / 220 Ω, typical Vf |
No specifications match. Try a parameter name or a unit.
A microcontroller pin drops a little voltage under load, so the measured current is slightly lower (ProTech’s LED example shows 12.9 mA red, 7.2 mA blue).
Package
WP7113QBC/D · T-1¾ (5 mm)
Manufacturer specifications 5 parameters
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| Parameter | Value | Conditions / notes |
|---|---|---|
| Lens | Ø5.0 mm | Domed epoxy |
| Flange | Ø5.9 mm, 1.0 mm thick | The flat marks the cathode |
| Height | 8.6 mm | From the flange’s foot to the dome |
| Leads | 0.5 mm square, 2.54 mm apart, 27 mm minimum | Through-hole |
| Footprint | Pads A and K, 2.54 mm apart | 2.032 mm square pads, 1.016 mm drill |
No specifications match. Try a parameter name or a unit.
Mechanical tolerance ±0.25 mm unless the sheet states otherwise.
Connections by function
Select a pin for its function, connection guidance and electrical notes.