Standard Recovery Diode (Stud Version)- Full Model Parameters & Dimensions

Oct 25, 2025 · SoftStarterPro

Standard Recovery Diodes (Stud Type) are designed for reliable high current rectification in industrial systems. Ideal for AC/DC converters, battery chargers, and power supply equipment.

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Features

High surge current capability
Stud cathode and stud anode version
Wide current range
Metric device version available

Typical Applications

Battery chargers
Converters
Power supplies
Machine tool controls
Welders
Motor controls

Model Number Explanation

1 -None=Standard recovery diodes;

FR=Fast recovery diodes

2 -Current code=IF_(AV)

3 -Outline code: F=DO-4 case 6A~25A; HF=DO-5 case 30A~85A

U=DO-8,DO-9 case 100A~300A

4 -None=Stud Normal Polarity (cathode to stud)

R=Stud Reverse Polarity (anode to stud)

5 -Voltage code=code x 10=V_RRM

6 -None=Standard inch Device; M=Metric Device

7 -Bigger size

Notice: If you need metric size or cerainic version, please contact with our technical engineer

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Technical Specifications

Below are the standard models and parameters for Standard Recovery Diodes (Stud Type).
You can also request customized voltage or current ratings.

Type	IF(av) THS55°C (A)	VFM 25°C (V)	IFM 25°C (A)	IF(RMS) (A)	VRRM (V)	IRMM (mA)	Rjc (°C/W)	Tj (°C)	M² (N/m)	Wt (kg)	Outline
6F(R)	6	1.1	18	9.0	200-1200	≤6	≤2.0	-40°C~+150°C	≤1.0	0.008	DO-4
12F(R)	12	1.25	36	19.0	200-1200	≤6	≤1.2		≤1.0	0.008
16F(R)	16	1.25	48	25.0	200-1200	≤12	≤1.2		≤1.0	0.008
25F(R)	25	1.1	75	40.0	200-1200	≤12	≤1.2		≤1.0	0.008
30HF(R)	30	1.3	90	48.0	200-1200	≤10	≤0.8		≤2.0	0.020	DO-5
40HF(R)	40	1.3	120	64.0	200-1200	≤10	≤0.8		≤2.0	0.020
50HF(R)	50	1.4	150	80.0	200-1200	≤10	≤0.8		≤2.0	0.020
60HF(R)	60	1.4	180	96.0	200-1200	≤12	≤0.6		≤2.0	0.020
70HF(R)	70	1.45	210	112.0	200-1600	≤12	≤0.5		≤2.0	0.020
85HF(R)	85	1.45	255	136.0	200-1600	≤12	≤0.4		≤2.0	0.020
100U(R)	100	1.8	300	160.0	200-1600	≤15	≤0.3		≤12	0.120	DO-8
150U(R)	150	1.5	450	240.0	200-1600	≤15	≤0.3		≤12	0.120	DO-8
100U(R)L	100	1.8	300	160.0	200-1600	≤15	≤0.3		≤12	0.140	DO-30
150U(R)L	150	1.5	450	240.0	200-1600	≤15	≤0.3		≤12	0.140	DO-30
200U(R)	200	1.3	600	320.0	200-1800	≤20	≤0.2		≤12	0.250	DO-9
250U(R)	250	1.35	750	400.0	200-1800	≤20	≤0.15		≤25	0.250
300U(R)	300	1.35	900	480.0	200-1800	≤20	≤0.15		≤25	0.250
SD400N(R)	400	1.6	1200	640.0	200-2400	≤40	≤0.07		≤25	0.580	B-8
SD500N(R)	500	1.6	1500	800.0	200-2400	≤40	≤0.065		≤25	0.580
SD600N(R)	600	1.5	1800	960.0	200-2400	≤40	≤0.065		≤30	0.580

Can’t find the exact rating you need? Contact us for detailed datasheets or customized solutions.

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Diode Stud Version Outline

For complete mechanical drawings and thermal characteristics, please download the full catalogue below.

Download Technical Catalogue (PDF)

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