High Voltage Glaze Resistors

Features

  1. Non-inductive.
  2. Thick filming resulted in high surge-resist & stability.
  3. Operating ambient temperature: -55°C~+125°C.
  4. High resistance value and working voltage.
  5. Good high-frequency performance.
  6. Resistance tolerance: ±5%, ±10%.

Construction Drawing

HVG Construction
  • Ceramic core
  • Glaze resistive film, non-inductive.
  • Tinned copper lead wire or threaded end.
  • Protective coating, epoxy.
  • Steel cap.

Electrical Specifications

Part No. Power Resistance Range Dimensions(mm) Max. working voltage Max. insulation voltage
L(max.) D(max.) d±0.05 L1±3
VA012 1/2W 1M~1000M 28.0 6.0 0.8 30.0 8KV 8KV
VA01B 1W 100K~1000M 30.0 9.0 1.0 30.0 10KV 10KV
VA02B 3W 100K~2000M 50.0 9.0 1.0 30.0 15KV 15KV
VA03B 3W 100K~2000M 50.0 9.0 1.0 30.0 15KV 15KV
VA05B 5W 100K~2000M 70.0 11.0 1.0 30.0 20KV 20KV
VA08B 8W 100K~2000M 100.0 11.0 1.0 30.0 25KV 25KV
VA10B 10W 1M~5000M 147.0 11.0 M4 6.0 35KV 35KV
VA20B 20W 100K~100M 120.0 18.0 M5 10.0 30KV 30KV
VA30B 30W 100K~100M 120.0 20.0 M5 10.0 30KV 30KV
VA50B 50W 100K~100M 120.0 22.0 M6 10.0 30KV 30KV
VA80B 80W 100K~51M 135.0 28.0 M8 10.0 30KV 30KV
VA100 100W 100K~51M 170.0 28.0 M8 10.0 35KV 35KV
VA200 200W 100K~51M 320.0 33.0 M10 10.0 80KV 80KV

Rated Power Derating Curve

HVG Derating Curve

Performance Test

Test Item Test Condition Performance
Temperature coefficient Test the resistance value at normal temperature and normal temperature added 100°C, calculate per °C resistance value change rate. ±400ppm/°C
Short time overload 2.5xrated voltage or max. overload voltage (get the lower) for 5 seconds. ΔR ≤± (2%R0+0.05Ω)
Pulse overload At 4x rated voltage or Max. pulse overload voltage (get the Lower) cycle 10000±200 times (1 second on, 25 seconds off). ΔR ≤± (1%R0+0.05Ω)
Resistance to soldering heat Immerge into the 245±3°C tin stove for 2~3 seconds. ΔR ≤± (1%R0+0.05Ω)
Solderability Immerge into the 245 ± 3°C tin stove for 2~3 seconds. The soldering area is over 95%
Temperature cycling At -55°C for 30 min, then at +25°C for 10~15 min, then at +125°C for 30 min, then at +25°C for 10~15 min, total 5 cycles. ΔR ≤± (1%R0+0.05Ω)
Load life in humidity Overload rated voltage or max. working voltage (get the lower) for 1000 hours (1.5 hours on and half-hour off) at the 40±2°C and 90~95% relative humidity. ΔR ≤± (5%R0+0.05Ω)
Load life in heat Overload rated voltage or Max. working voltage (get the lower) for 1000 hours (1.5 hours on and half-hour off) at the 70±2°C. ΔR ≤± (5%R0+0.05Ω)
Nonflammability Load AC voltage by 5, 10, 16 times rated power for 5 minutes. No visible flame

How to Order (Example: 1/2W 1MEG 5% Bulk Packaging)

VA 12
Type
1004
Resistance
  • 1st 3 digits: Significant
  • 4th digit: No zero
J
Tolerance
  • J: ±5%
  • K: ±10%
B
Packaging Code
  • B: Bulk
  • T/R: Tape