LED Lamp Manufacturer

Only for the LED Lamp of 3MM, since the supplier of lead(trestle) doesn't product the lead "3",we don't supply this type at present; we use the lead "4" Instead.
For instance, BL-B2131 changed into BL-B2141, BL-C2132 changed into BL-C2142.
For the revised part numbers, all the characteristics are the same.