Metal Glazed Resisto
r
MGR
Series
-
MERITEK
Coating-insulated megohm fixed resistors ( Metal Glazed )
High Voltage Surge Resistors.
Features:
•Stable performance against high temperature and voltage.
•Good performance in enduring moisture and overload capability.
•Operating ambient temperature: -55℃ to +175℃
•Lead (Pb)-free solder contacts
•Epoxy and silicone coating available for various applications.
•Resistance tolerance: 1% & 5%
•Power rating: 1/8 watt to 3 watts, ±50 ppm/°C to ±200 ppm/°C
•Resistance range – up to 10G ohms
•Dielectric withstanding voltage - Vmax: 1,200V
Part Number System :
MGR S 1/4W - VALUE J TR
B = Bulk; TR = Tape & Reel
Resistance Tolerance (e.g J = +/-5%, F = +/-1%)
Resistance Value (e.g. 0R1, 1R, 10R, 100R, 1K, 10K, 100K, 1M, 10M)
Power Rating
Coating (S = Silicone, E = Epoxy)
Metal Glazed Resistor
Dimension :
Dimension(mm)
Styl e (Din S i ze) L D H d
MGR1/8W(0204) 3.3±0.5 1.8±0.3 28±2.0 0.45±0.03
MGR1/4W (0207) 6.3±0.5 2.3±0.3 28±2.0 0.55±0.03
MGR1/2WS (0207) 6.3±0.5 2.3±0.3 28±2.0 0.55±0.03
MGR1/2WS(0309) 8.5±0.5 2.7±0.5 27±2.0 0.60±0.03
MGR 1/2W (0410) 9.0±0.5 3.2±0.5 26±2.0 0.65±0.03
MGR 1WS (0412) 9.0±0.5 4.0±0.5 26±2.0 0.65±0.03
MGR 1W (0414) 11.5±1.0 4.0±0.5 35±2.0 0.78±0.03
MGR 2WS (0416) 11.5±1.0 4.5±0.5 35±2.0 0.78±0.03
MGR 2W (0516) 15.5±1.0 5.0±0.5 32±2.0 0.78±0.03
MGR 3WS (0518) 15.5±1.0 5.0±0.5 32±2.0 0.78±0.03
Appearance :
Silicone Resin ------ Brown --- (Flame-Proof)
Epoxy Resin ------ Light Blue
Metal Glazed Resisto
r
MGR
Series
-
MERITEK
Rating :
Dielectric
Withstanding Voltage
Power rating Max.
working
Voltage
Max.
Overload
Voltage Silicone
Resin Epoxy
Resin
Resistance
Range* Resistance
Tolerance T.C.R. Rating
Ambient
Temperature
Operating
Temperature
MGR1/8W(0204) DC500V 1000V 300V 400V 100K~100M
MGR1/4W(0207) DC1600V
AC1150V
DC2000V
AC1500V 400V 500V 100K-1G
MGR1/2WS(0207)
MGR1/2WS(0309)
DC1700V
DC1800V 2500V 400V 500V 100K-1G
MGR1/2W(0410) DC2000V 2500V 500V 700V 100K-1G
MGR1WS(0412) DC2500V 3500V 500V 700V 100K-1G
MGR1W(0414) DC3000V 4000V 500V 1000V 100K-1G
MGR2WS(0416) DC3500V 4000V 500V 1000V 100K-1G
MGR2W(0516) DC3500V 4000V 700V 1200V 100K-1G
MGR3WS(0518) DC3500V 4000V 700V 1200V 100K-1G
K（±10％）E12
J（±5％）E24
F（±1％）E24
＞1G（±10％）
E12
±200PPM/℃
±100PPM/℃
±50PPM/℃
70℃ -55℃～+175℃
* Resistance range reflects standard resistance values. Other resistance values are available on request. Maximum resistance: 10G ohms
Performance :
Test Items Test Methods Specifications
Short time overload Rated Voltage X 2.5 or Max. overload Voltage, whichever is lower, for 5sec. ±（1.0%＋0.05Ω）
Moisture resistance 40 ±2 , 90%~95%RH,1000h℃℃
90 min【ON】30 min【OFF】 ±（5.0%＋0.05Ω）
Load life 1000hours at rated voltage, 70℃
90 min【ON】30 min【OFF】 ±（3.0%＋0.05Ω）
Insulation resistance 500±50V DC During 1 min V-Block method ±10,000MΩ Over
Dielectric withstanding volt age In V-Block for 60 seconds By Type
Resistance to soldering heat 260 ±5 ,10s±1s or 350 ±10 , 3.5s±0.5s℃℃ ℃ ℃ ±（1.0%＋0.05Ω）
Temperature cycling 5 cycles for –25℃±3℃(30min)；room temp.(30min) ~ +85℃±3℃(30min) room
temp. (30min) ±（1.0%＋0.05Ω）
Terminal strength Direct load for 10 sec. In the direction of the terminal leads. Tensile: 2.5kg≧
Intermittent ‘overload 4 times RCWV for10000cycles(1sec.on，25secs.off) ±(1%+0.05Ω)
