Pb Free

POWER - NIKKOHM

RoHS 2900W 10KV 耐圧, ⾼電⼒抵抗器
900W, 10kV INSULATIONCHASSIS MOUNTING NON-INDUCTIVE
HIGH POWER RESISTORS,WATER COOLING

RPK900L
特⻑・⽤途Features and Applications

SOT227 型、接地耐電圧 10KVAC、定格電⼒ 900W、⽔冷など放熱シャーシ取付方式の RPK900L ⾼電⼒抵抗器．
コロナ放電開始電圧は 7kV-50kHz、⼩型ですから、直列インダクタンスは少なく、⾼圧パルス回路、⾼周波回路に最適．
2 個の M4 ねじ簡単に取り付けることが可能．
抵抗器の⾼さは端子面で 12mm ときわめて低く⼩型。．
端子の数は、2 本、端子数を変更する場合の形名呼称は、⼯場にお問い合わせください。
⾼圧パルス発⽣回路、⾼圧パルス電源デバイダ抵抗器、パワーエレクトロニク
ス機器のフィルタ抵抗、インバータのブリーダ抵抗．⾼圧電源分圧抵抗外形寸法と材質, Dimensions and Materials

Small size SOT227, 900W high power resistor. Attachingwith a large forced air-cooled heat sink or liquid-coolingwould be necessary for high power operation.
Rated power is 900W with 10kV - 50Hz insulation voltage
and 7kV - 50kHz corona discharge.
M4 screw terminals, very low series inductance andcapacitance.
Higher density packing, vibration-proof and perfect heatdissipation are available.
Applications include charge / discharge resistors, voltage
divider of the high voltage pulse source for X-ray CT, MRI,GF BCHABCDEFGHEDA(mm)38+/-0.5
25+/-0.5
12+/-0.5
30+/-0.2
15+/-0.5
13+/-0.5
2 – 4.20+/-0.1 dia.
250+/-10Case, 樹脂ケース
Filling, 充填材料
Resistor, Ni-Cr, 抵抗素子
Terminals AWG18Conductor, 抵抗端子
ALN substrate, 窒化アルミ基板
Cu flange, Ni plated, 銅フランジ(inch)
1.50+/-0.02
0.98+/-0.02
0.47+/-0.02
1.18+/-0.008
0.59+/-0.02
0.51+/-0.02
2 - 0.165+/-0.004 dia.
9.8+/-0.4

Nikkohm Co., Ltd. 3-31-2640 Minamicho, Misawa, Aomori 033-0036 Japan TEL: +81-176-53-2105, FAX: +81-176-53-2106© Nikkohm Co., Ltd.
URL: http://www.nikkΩ.co.jp & https://www.nikkohm.com / e-mail: info@nikkohm.co.jp

Pb Free

POWER - NIKKOHM

RoHS 2900W 10KV ⾼耐圧, ⾼電⼒抵抗器
900W 10KV CHASSIS MOUNTING NON-INDUCTIVE HIGH POWER RESISTORSRPK900L

品目番号,Ordering Information

RPK900L|
RPK900L

C|C (50ppm)

101
|
+E24J
|
J (5%)

Resistance value is available following modified E24, +E24. Another is available optionally.
1.0
1.1
1.2
1.3
1.5
1.6
1.8
2.0
2.2
2.4
3.6
3.9
4.04.3
4.7
5.0
5.1
5.6
6.2
6.8Z00|Z00(RoHS)
box
2.5
7.5

2.7
8.0

3.0
8.2

3.3
9.1

性能仕様, Specifications and PerformancesConditions
定格電⼒

Rating Power900 Watts

At flange temperature -55 °C to +25 °C

熱抵抗

Thermal Resistance

0.10 °C/W

Between resistor to flange

製作抵抗値範囲

Resistance Range

10 Ω to 1K Ω

公称抵抗値

Nominal Resistance

Modified E24

抵抗温度係数TCR

抵抗値許容差Tolerance

動作温度範囲Operation Temp. Range

最大動作電圧Limiting Voltage

絶縁耐電圧Withstanding Voltage

部分放電開始電圧

Partial discharge

キャパシタンス

Capacitance

13.1 pF

Parallel capacitance at 10MHz, short wire leads

インダクタンス

Inductance

13.7 nH

Series inductance at 10MHz, short wire leads

負荷寿命

Load Life+/-(1.0 %+0.05 Ω)

25°C, 90min.ON, 30min.OFF, 1000hours.

耐湿性

Humidity+/-(1.0 %+0.05 Ω)

70°C, 90 to 95%RH, DC0.1W, 1000hours.

温度サイクルTemperature Cycle+/-(1.0 %+0.05 Ω)

短時間過負荷Short Time Overload+/-(5.0 %+0.05 Ω)

Rating watt×1.5, 5seconds, with heat sink.

絶縁抵抗

Insulation ResistanceOver 1000 meg Ω

Between terminals and flange.

耐振性Vibration+/-(0.25 %+0.05 Ω)

重量Weight38 grams+/- 50 ppm/°C+/-5%

負荷軽減, Derating Curve, RPK900(C)available +/- 1% (F) option-55 ℃ - +155 °C
1000V orE = P⋅ R

10,000 VAC

60 seconds - 0.5mA - 50Hz

7,000 V - 50kHz

Starting voltage, typical-55°C, 30 min.,+125°C 30min., 20cycles. (-55°C, 30min.,+120°C, 30min., 5 cycles.)Without wire terminals

温度上昇, Temperature Rise, RPK900L
140+25 °C

10012080

100

Resistor temperature

80606040+155 °C

200For -55 to +155 °C(J)Resistor temperature °C
160％Rated Power120

Any value, option40Flange temperature

200-500+50+100 +150 +200
Flange Temperature (°C)

0200400 600 800 1000 1200
Application Power (W)Nikkohm Co., Ltd. 3-31-2640 Minamicho, Misawa, Aomori 033-0036 Japan TEL: +81-176-53-2105, FAX: +81-176-53-2106© Nikkohm Co., Ltd.
URL: http://www.nikkohm.co.jp & https://www.nikkohm.com / e-mail: info@nikkohm.co.jp

Pb Free

POWER - NIKKOHM

RoHS 2900W 10KV 耐圧, ⾼電⼒抵抗器
900W 10KV CHASSIS MOUNTING NON-INDUCTIVE HIGH POWER RESISTORSRPK900L
パルス動作の参考資料, Pulse Operation
Test MethodDUT
RPK900L-50ΩF10,000
1,000

Dotted: assumption

Pulse peak power (kW)100
1010.10.01
10ns 100ns 1us 10us 100us 1ms 10ms 100ms 1s
Pulse width (duty 0.01)

10s 100s

デユーティ 0.01 の連続パルスにおける、許容尖頭電⼒の目やす。この曲線は、抵抗値、パルス繰返周波数、デユーティ、動作温度によって変化するので、実際の機器に実装し寿命試験を⾏うよう推奨します。破線は、推定領域。
Above drawing shows allowable pulse peak power that obtained by actual breaking test of RPK900L-10Ω-J, and shows the result of double
safety factor. The test was performed by observation of small resistance change after application of continuous pulse, that is rectangular
waveform and 0.01 duty.
Since the pulse durability is moved by the resistance, the pulse waveforms and type of pulse source, constant voltage source or current
source, please test carefully for long terms on actual electronics when operating the resistor by the pulse of the peak power exceeding ratedpower.

応⽤, APPLICATIONSRPK900L

RPK900L

Typical High speed pulse power generator and water cooling resistor, RPK900L
20210301
Nikkohm Co., Ltd. 3-31-2640 Minamicho, Misawa, Aomori 033-0036 Japan TEL: +81-176-53-2105, FAX: +81-176-53-2106© Nikkohm Co., Ltd.
URL: http://www.nikkohm.co.jp & https://www.nikkohm.com / e-mail: info@nikkohm.co.jp