1.Thermistor for Preheating
2.thermistor used on the Electronics Ballast / CFL

1)Application
WMZ12A(V) Series PTC Thermistors is for  Preheating of the Electronics Ballast / CFL

2)Specifications
1.Series :WMZ11A - Old series    WMZ12A(V) - New  series
2.Curie Temp. :50 - 50C 75 - 75C 85 - 85C 105 - 105C 120 - 120C
3. Max DiameterDmax:A / HV -φ6.5  B / BHV -φ8.5  S -φ4.5  L -φ5.5 
4. Rated Zero Power ResistanceRN:102 - 1000Ω,68R - 68Ω   
5. Tolerance of Resistance :  N - ±30%   V - ±25%   M - ±20%   K - ±10%   X - Other Special Tol.   
6. Shape of Leads:U - In-formed    S - Straight    A - Axis-formed    I-Inward     N - No Leads
7. Leads material  :U:Cu   (P:Cp )
8. Packing Type :B - Bulk   (A - Ammo   R - Reel )
9.Leads Length 5:5mm  (10:10mm)
10. Coating Material  :S-Black Silicone  G-Green Silicone 
P-PF Resin  E-Epoxy N-No Coating
11. Leads Diameter :5-φ0.5  6-φ0.6  8-φ0.8  1-φ1.0
12.Leads Distance :A-2.5  B-5.0  C-7.5  D-10.0

3)General
  THE BACKGROUND OF PROMOTING WMZ11A / 12A (V) SERIES
  In 2001, WEILIN had been becoming a major supplier of most well known lighting manufacturers in the world since her SZ FACTORY promoted WMZ11A series instead of the former WMZ11 series, and established her GZ FACTORY-ZHONGHAO to resolve ultimately her SZ FACTORY' emergent problems on productivity and cost.
  In 2002, WEILIN's headquarters was moved to Shenzhen High-Tech Industrial Park of China, and the SZ FACTORY was merged with the GZ FACTORY, which made the productivity of the new GZ FACTORY-WEILIN-ZHONGHAO reached 30 million pieces per month. In 2003, WELIN-ZHONGHAO passed the approval of DNV ISO 9001(Rev. 2,000 from Rev.1994).  WEILIN-ZHONGHAO WMZ12A series totally were recognized by UL / USA and approved by many famous customers of the relevant application field in China, Europe, USA and Japan etc. To keep consistent with the UL approval and the relevant top international market, WEILIN-ZHONGHAO is  promoting her new generation of WMZ12A(V) Series on the base of WMZ11A series, and takes it as a major products for Preheating of the high property electronics ballast / CFL in 2003~2004.